devices/e1000/e1000_hw-2.6.31-ethercat.c
author Florian Pose <fp@igh-essen.com>
Thu, 15 Sep 2011 15:56:49 +0200
changeset 2106 505871ced767
parent 1996 852668fdae6a
permissions -rw-r--r--
Minor: Fixed line breaks and spacing.
1996
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2006 Intel Corporation.
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  This program is free software; you can redistribute it and/or modify it
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  under the terms and conditions of the GNU General Public License,
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  version 2, as published by the Free Software Foundation.
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  This program is distributed in the hope it will be useful, but WITHOUT
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  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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  more details.
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  You should have received a copy of the GNU General Public License along with
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  this program; if not, write to the Free Software Foundation, Inc.,
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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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  The full GNU General Public License is included in this distribution in
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  the file called "COPYING".
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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*******************************************************************************/
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/* e1000_hw.c
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 * Shared functions for accessing and configuring the MAC
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 */
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#include "e1000_hw-2.6.31-ethercat.h"
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static s32 e1000_swfw_sync_acquire(struct e1000_hw *hw, u16 mask);
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static void e1000_swfw_sync_release(struct e1000_hw *hw, u16 mask);
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static s32 e1000_read_kmrn_reg(struct e1000_hw *hw, u32 reg_addr, u16 *data);
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static s32 e1000_write_kmrn_reg(struct e1000_hw *hw, u32 reg_addr, u16 data);
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static s32 e1000_get_software_semaphore(struct e1000_hw *hw);
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static void e1000_release_software_semaphore(struct e1000_hw *hw);
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static u8 e1000_arc_subsystem_valid(struct e1000_hw *hw);
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static s32 e1000_check_downshift(struct e1000_hw *hw);
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static s32 e1000_check_polarity(struct e1000_hw *hw,
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				e1000_rev_polarity *polarity);
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static void e1000_clear_hw_cntrs(struct e1000_hw *hw);
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static void e1000_clear_vfta(struct e1000_hw *hw);
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static s32 e1000_commit_shadow_ram(struct e1000_hw *hw);
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static s32 e1000_config_dsp_after_link_change(struct e1000_hw *hw,
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					      bool link_up);
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static s32 e1000_config_fc_after_link_up(struct e1000_hw *hw);
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static s32 e1000_detect_gig_phy(struct e1000_hw *hw);
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static s32 e1000_erase_ich8_4k_segment(struct e1000_hw *hw, u32 bank);
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static s32 e1000_get_auto_rd_done(struct e1000_hw *hw);
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static s32 e1000_get_cable_length(struct e1000_hw *hw, u16 *min_length,
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				  u16 *max_length);
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static s32 e1000_get_hw_eeprom_semaphore(struct e1000_hw *hw);
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static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw);
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static s32 e1000_get_software_flag(struct e1000_hw *hw);
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static s32 e1000_ich8_cycle_init(struct e1000_hw *hw);
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static s32 e1000_ich8_flash_cycle(struct e1000_hw *hw, u32 timeout);
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static s32 e1000_id_led_init(struct e1000_hw *hw);
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static s32 e1000_init_lcd_from_nvm_config_region(struct e1000_hw *hw,
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						 u32 cnf_base_addr,
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						 u32 cnf_size);
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static s32 e1000_init_lcd_from_nvm(struct e1000_hw *hw);
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static void e1000_init_rx_addrs(struct e1000_hw *hw);
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static void e1000_initialize_hardware_bits(struct e1000_hw *hw);
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static bool e1000_is_onboard_nvm_eeprom(struct e1000_hw *hw);
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static s32 e1000_kumeran_lock_loss_workaround(struct e1000_hw *hw);
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static s32 e1000_mng_enable_host_if(struct e1000_hw *hw);
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static s32 e1000_mng_host_if_write(struct e1000_hw *hw, u8 *buffer, u16 length,
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				   u16 offset, u8 *sum);
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static s32 e1000_mng_write_cmd_header(struct e1000_hw* hw,
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				      struct e1000_host_mng_command_header
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				      *hdr);
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static s32 e1000_mng_write_commit(struct e1000_hw *hw);
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static s32 e1000_phy_ife_get_info(struct e1000_hw *hw,
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				  struct e1000_phy_info *phy_info);
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static s32 e1000_phy_igp_get_info(struct e1000_hw *hw,
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				  struct e1000_phy_info *phy_info);
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static s32 e1000_read_eeprom_eerd(struct e1000_hw *hw, u16 offset, u16 words,
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				  u16 *data);
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static s32 e1000_write_eeprom_eewr(struct e1000_hw *hw, u16 offset, u16 words,
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				   u16 *data);
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static s32 e1000_poll_eerd_eewr_done(struct e1000_hw *hw, int eerd);
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static s32 e1000_phy_m88_get_info(struct e1000_hw *hw,
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				  struct e1000_phy_info *phy_info);
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static void e1000_put_hw_eeprom_semaphore(struct e1000_hw *hw);
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static s32 e1000_read_ich8_byte(struct e1000_hw *hw, u32 index, u8 *data);
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static s32 e1000_verify_write_ich8_byte(struct e1000_hw *hw, u32 index,
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					u8 byte);
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static s32 e1000_write_ich8_byte(struct e1000_hw *hw, u32 index, u8 byte);
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static s32 e1000_read_ich8_word(struct e1000_hw *hw, u32 index, u16 *data);
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static s32 e1000_read_ich8_data(struct e1000_hw *hw, u32 index, u32 size,
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				u16 *data);
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static s32 e1000_write_ich8_data(struct e1000_hw *hw, u32 index, u32 size,
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				 u16 data);
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static s32 e1000_read_eeprom_ich8(struct e1000_hw *hw, u16 offset, u16 words,
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				  u16 *data);
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static s32 e1000_write_eeprom_ich8(struct e1000_hw *hw, u16 offset, u16 words,
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				   u16 *data);
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static void e1000_release_software_flag(struct e1000_hw *hw);
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static s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active);
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static s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active);
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static s32 e1000_set_pci_ex_no_snoop(struct e1000_hw *hw, u32 no_snoop);
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static void e1000_set_pci_express_master_disable(struct e1000_hw *hw);
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static s32 e1000_wait_autoneg(struct e1000_hw *hw);
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static void e1000_write_reg_io(struct e1000_hw *hw, u32 offset, u32 value);
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static s32 e1000_set_phy_type(struct e1000_hw *hw);
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static void e1000_phy_init_script(struct e1000_hw *hw);
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static s32 e1000_setup_copper_link(struct e1000_hw *hw);
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static s32 e1000_setup_fiber_serdes_link(struct e1000_hw *hw);
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static s32 e1000_adjust_serdes_amplitude(struct e1000_hw *hw);
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static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw);
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static s32 e1000_config_mac_to_phy(struct e1000_hw *hw);
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parents:
diff changeset
   118
static void e1000_raise_mdi_clk(struct e1000_hw *hw, u32 *ctrl);
852668fdae6a Added e1000 port for 2.6.31
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parents:
diff changeset
   119
static void e1000_lower_mdi_clk(struct e1000_hw *hw, u32 *ctrl);
852668fdae6a Added e1000 port for 2.6.31
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parents:
diff changeset
   120
static void e1000_shift_out_mdi_bits(struct e1000_hw *hw, u32 data,
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parents:
diff changeset
   121
				     u16 count);
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parents:
diff changeset
   122
static u16 e1000_shift_in_mdi_bits(struct e1000_hw *hw);
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parents:
diff changeset
   123
static s32 e1000_phy_reset_dsp(struct e1000_hw *hw);
852668fdae6a Added e1000 port for 2.6.31
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parents:
diff changeset
   124
static s32 e1000_write_eeprom_spi(struct e1000_hw *hw, u16 offset,
852668fdae6a Added e1000 port for 2.6.31
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parents:
diff changeset
   125
                                      u16 words, u16 *data);
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parents:
diff changeset
   126
static s32 e1000_write_eeprom_microwire(struct e1000_hw *hw, u16 offset,
852668fdae6a Added e1000 port for 2.6.31
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parents:
diff changeset
   127
					u16 words, u16 *data);
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parents:
diff changeset
   128
static s32 e1000_spi_eeprom_ready(struct e1000_hw *hw);
852668fdae6a Added e1000 port for 2.6.31
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parents:
diff changeset
   129
static void e1000_raise_ee_clk(struct e1000_hw *hw, u32 *eecd);
852668fdae6a Added e1000 port for 2.6.31
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parents:
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   130
static void e1000_lower_ee_clk(struct e1000_hw *hw, u32 *eecd);
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parents:
diff changeset
   131
static void e1000_shift_out_ee_bits(struct e1000_hw *hw, u16 data, u16 count);
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parents:
diff changeset
   132
static s32 e1000_write_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
852668fdae6a Added e1000 port for 2.6.31
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parents:
diff changeset
   133
				  u16 phy_data);
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parents:
diff changeset
   134
static s32 e1000_read_phy_reg_ex(struct e1000_hw *hw,u32 reg_addr,
852668fdae6a Added e1000 port for 2.6.31
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parents:
diff changeset
   135
				 u16 *phy_data);
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parents:
diff changeset
   136
static u16 e1000_shift_in_ee_bits(struct e1000_hw *hw, u16 count);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   137
static s32 e1000_acquire_eeprom(struct e1000_hw *hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   138
static void e1000_release_eeprom(struct e1000_hw *hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   139
static void e1000_standby_eeprom(struct e1000_hw *hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
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   140
static s32 e1000_set_vco_speed(struct e1000_hw *hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   141
static s32 e1000_polarity_reversal_workaround(struct e1000_hw *hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   142
static s32 e1000_set_phy_mode(struct e1000_hw *hw);
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Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   143
static s32 e1000_host_if_read_cookie(struct e1000_hw *hw, u8 *buffer);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   144
static u8 e1000_calculate_mng_checksum(char *buffer, u32 length);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   145
static s32 e1000_configure_kmrn_for_10_100(struct e1000_hw *hw, u16 duplex);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   146
static s32 e1000_configure_kmrn_for_1000(struct e1000_hw *hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   147
static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
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Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   148
static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   149
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   150
/* IGP cable length table */
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Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   151
static const
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Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   152
u16 e1000_igp_cable_length_table[IGP01E1000_AGC_LENGTH_TABLE_SIZE] =
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Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   153
    { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   154
      5, 10, 10, 10, 10, 10, 10, 10, 20, 20, 20, 20, 20, 25, 25, 25,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   155
      25, 25, 25, 25, 30, 30, 30, 30, 40, 40, 40, 40, 40, 40, 40, 40,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   156
      40, 50, 50, 50, 50, 50, 50, 50, 60, 60, 60, 60, 60, 60, 60, 60,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   157
      60, 70, 70, 70, 70, 70, 70, 80, 80, 80, 80, 80, 80, 90, 90, 90,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   158
      90, 90, 90, 90, 90, 90, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   159
      100, 100, 100, 100, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   160
      110, 110, 110, 110, 110, 110, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120};
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   161
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   162
static const
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   163
u16 e1000_igp_2_cable_length_table[IGP02E1000_AGC_LENGTH_TABLE_SIZE] =
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   164
    { 0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 8, 11, 13, 16, 18, 21,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   165
      0, 0, 0, 3, 6, 10, 13, 16, 19, 23, 26, 29, 32, 35, 38, 41,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   166
      6, 10, 14, 18, 22, 26, 30, 33, 37, 41, 44, 48, 51, 54, 58, 61,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   167
      21, 26, 31, 35, 40, 44, 49, 53, 57, 61, 65, 68, 72, 75, 79, 82,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   168
      40, 45, 51, 56, 61, 66, 70, 75, 79, 83, 87, 91, 94, 98, 101, 104,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   169
      60, 66, 72, 77, 82, 87, 92, 96, 100, 104, 108, 111, 114, 117, 119, 121,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   170
      83, 89, 95, 100, 105, 109, 113, 116, 119, 122, 124,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   171
      104, 109, 114, 118, 121, 124};
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   172
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   173
static DEFINE_SPINLOCK(e1000_eeprom_lock);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   174
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   175
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   176
 * Set the phy type member in the hw struct.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   177
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   178
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   179
 *****************************************************************************/
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Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   180
static s32 e1000_set_phy_type(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   181
{
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Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   182
    DEBUGFUNC("e1000_set_phy_type");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   183
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   184
    if (hw->mac_type == e1000_undefined)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   185
        return -E1000_ERR_PHY_TYPE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   186
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   187
    switch (hw->phy_id) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   188
    case M88E1000_E_PHY_ID:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   189
    case M88E1000_I_PHY_ID:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   190
    case M88E1011_I_PHY_ID:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   191
    case M88E1111_I_PHY_ID:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   192
        hw->phy_type = e1000_phy_m88;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   193
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   194
    case IGP01E1000_I_PHY_ID:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   195
        if (hw->mac_type == e1000_82541 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   196
            hw->mac_type == e1000_82541_rev_2 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   197
            hw->mac_type == e1000_82547 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   198
            hw->mac_type == e1000_82547_rev_2) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   199
            hw->phy_type = e1000_phy_igp;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   200
            break;
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Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   201
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   202
    case IGP03E1000_E_PHY_ID:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   203
        hw->phy_type = e1000_phy_igp_3;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   204
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   205
    case IFE_E_PHY_ID:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   206
    case IFE_PLUS_E_PHY_ID:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   207
    case IFE_C_E_PHY_ID:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   208
        hw->phy_type = e1000_phy_ife;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   209
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   210
    case GG82563_E_PHY_ID:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   211
        if (hw->mac_type == e1000_80003es2lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   212
            hw->phy_type = e1000_phy_gg82563;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   213
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   214
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   215
        /* Fall Through */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   216
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   217
        /* Should never have loaded on this device */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   218
        hw->phy_type = e1000_phy_undefined;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   219
        return -E1000_ERR_PHY_TYPE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   220
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   221
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   222
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   223
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   224
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   225
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   226
 * IGP phy init script - initializes the GbE PHY
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Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   227
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   228
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   229
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   230
static void e1000_phy_init_script(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   231
{
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Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   232
    u32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   233
    u16 phy_saved_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   234
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   235
    DEBUGFUNC("e1000_phy_init_script");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   236
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   237
    if (hw->phy_init_script) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   238
        msleep(20);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   239
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   240
        /* Save off the current value of register 0x2F5B to be restored at
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   241
         * the end of this routine. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   242
        ret_val = e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   243
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   244
        /* Disabled the PHY transmitter */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   245
        e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   246
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   247
        msleep(20);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   248
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   249
        e1000_write_phy_reg(hw,0x0000,0x0140);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   250
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   251
        msleep(5);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   252
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   253
        switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   254
        case e1000_82541:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   255
        case e1000_82547:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   256
            e1000_write_phy_reg(hw, 0x1F95, 0x0001);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   257
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   258
            e1000_write_phy_reg(hw, 0x1F71, 0xBD21);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   259
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   260
            e1000_write_phy_reg(hw, 0x1F79, 0x0018);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   261
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   262
            e1000_write_phy_reg(hw, 0x1F30, 0x1600);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   263
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   264
            e1000_write_phy_reg(hw, 0x1F31, 0x0014);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   265
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   266
            e1000_write_phy_reg(hw, 0x1F32, 0x161C);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   267
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   268
            e1000_write_phy_reg(hw, 0x1F94, 0x0003);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   269
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   270
            e1000_write_phy_reg(hw, 0x1F96, 0x003F);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   271
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   272
            e1000_write_phy_reg(hw, 0x2010, 0x0008);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   273
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   274
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   275
        case e1000_82541_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   276
        case e1000_82547_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   277
            e1000_write_phy_reg(hw, 0x1F73, 0x0099);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   278
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   279
        default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   280
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   281
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   282
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   283
        e1000_write_phy_reg(hw, 0x0000, 0x3300);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   284
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   285
        msleep(20);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   286
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   287
        /* Now enable the transmitter */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   288
        e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   289
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   290
        if (hw->mac_type == e1000_82547) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   291
            u16 fused, fine, coarse;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   292
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   293
            /* Move to analog registers page */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   294
            e1000_read_phy_reg(hw, IGP01E1000_ANALOG_SPARE_FUSE_STATUS, &fused);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   295
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   296
            if (!(fused & IGP01E1000_ANALOG_SPARE_FUSE_ENABLED)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   297
                e1000_read_phy_reg(hw, IGP01E1000_ANALOG_FUSE_STATUS, &fused);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   298
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   299
                fine = fused & IGP01E1000_ANALOG_FUSE_FINE_MASK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   300
                coarse = fused & IGP01E1000_ANALOG_FUSE_COARSE_MASK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   301
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   302
                if (coarse > IGP01E1000_ANALOG_FUSE_COARSE_THRESH) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   303
                    coarse -= IGP01E1000_ANALOG_FUSE_COARSE_10;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   304
                    fine -= IGP01E1000_ANALOG_FUSE_FINE_1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   305
                } else if (coarse == IGP01E1000_ANALOG_FUSE_COARSE_THRESH)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   306
                    fine -= IGP01E1000_ANALOG_FUSE_FINE_10;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   307
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   308
                fused = (fused & IGP01E1000_ANALOG_FUSE_POLY_MASK) |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   309
                        (fine & IGP01E1000_ANALOG_FUSE_FINE_MASK) |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   310
                        (coarse & IGP01E1000_ANALOG_FUSE_COARSE_MASK);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   311
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   312
                e1000_write_phy_reg(hw, IGP01E1000_ANALOG_FUSE_CONTROL, fused);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   313
                e1000_write_phy_reg(hw, IGP01E1000_ANALOG_FUSE_BYPASS,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   314
                                    IGP01E1000_ANALOG_FUSE_ENABLE_SW_CONTROL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   315
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   316
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   317
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   318
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   319
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   320
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   321
 * Set the mac type member in the hw struct.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   322
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   323
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   324
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   325
s32 e1000_set_mac_type(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   326
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   327
	DEBUGFUNC("e1000_set_mac_type");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   328
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   329
	switch (hw->device_id) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   330
	case E1000_DEV_ID_82542:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   331
		switch (hw->revision_id) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   332
		case E1000_82542_2_0_REV_ID:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   333
			hw->mac_type = e1000_82542_rev2_0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   334
			break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   335
		case E1000_82542_2_1_REV_ID:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   336
			hw->mac_type = e1000_82542_rev2_1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   337
			break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   338
		default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   339
			/* Invalid 82542 revision ID */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   340
			return -E1000_ERR_MAC_TYPE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   341
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   342
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   343
	case E1000_DEV_ID_82543GC_FIBER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   344
	case E1000_DEV_ID_82543GC_COPPER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   345
		hw->mac_type = e1000_82543;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   346
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   347
	case E1000_DEV_ID_82544EI_COPPER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   348
	case E1000_DEV_ID_82544EI_FIBER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   349
	case E1000_DEV_ID_82544GC_COPPER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   350
	case E1000_DEV_ID_82544GC_LOM:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   351
		hw->mac_type = e1000_82544;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   352
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   353
	case E1000_DEV_ID_82540EM:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   354
	case E1000_DEV_ID_82540EM_LOM:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   355
	case E1000_DEV_ID_82540EP:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   356
	case E1000_DEV_ID_82540EP_LOM:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   357
	case E1000_DEV_ID_82540EP_LP:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   358
		hw->mac_type = e1000_82540;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   359
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   360
	case E1000_DEV_ID_82545EM_COPPER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   361
	case E1000_DEV_ID_82545EM_FIBER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   362
		hw->mac_type = e1000_82545;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   363
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   364
	case E1000_DEV_ID_82545GM_COPPER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   365
	case E1000_DEV_ID_82545GM_FIBER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   366
	case E1000_DEV_ID_82545GM_SERDES:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   367
		hw->mac_type = e1000_82545_rev_3;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   368
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   369
	case E1000_DEV_ID_82546EB_COPPER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   370
	case E1000_DEV_ID_82546EB_FIBER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   371
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   372
		hw->mac_type = e1000_82546;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   373
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   374
	case E1000_DEV_ID_82546GB_COPPER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   375
	case E1000_DEV_ID_82546GB_FIBER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   376
	case E1000_DEV_ID_82546GB_SERDES:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   377
	case E1000_DEV_ID_82546GB_PCIE:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   378
	case E1000_DEV_ID_82546GB_QUAD_COPPER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   379
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   380
		hw->mac_type = e1000_82546_rev_3;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   381
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   382
	case E1000_DEV_ID_82541EI:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   383
	case E1000_DEV_ID_82541EI_MOBILE:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   384
	case E1000_DEV_ID_82541ER_LOM:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   385
		hw->mac_type = e1000_82541;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   386
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   387
	case E1000_DEV_ID_82541ER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   388
	case E1000_DEV_ID_82541GI:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   389
	case E1000_DEV_ID_82541GI_LF:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   390
	case E1000_DEV_ID_82541GI_MOBILE:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   391
		hw->mac_type = e1000_82541_rev_2;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   392
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   393
	case E1000_DEV_ID_82547EI:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   394
	case E1000_DEV_ID_82547EI_MOBILE:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   395
		hw->mac_type = e1000_82547;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   396
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   397
	case E1000_DEV_ID_82547GI:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   398
		hw->mac_type = e1000_82547_rev_2;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   399
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   400
	case E1000_DEV_ID_82571EB_COPPER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   401
	case E1000_DEV_ID_82571EB_FIBER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   402
	case E1000_DEV_ID_82571EB_SERDES:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   403
	case E1000_DEV_ID_82571EB_SERDES_DUAL:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   404
	case E1000_DEV_ID_82571EB_SERDES_QUAD:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   405
	case E1000_DEV_ID_82571EB_QUAD_COPPER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   406
	case E1000_DEV_ID_82571PT_QUAD_COPPER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   407
	case E1000_DEV_ID_82571EB_QUAD_FIBER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   408
	case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   409
		hw->mac_type = e1000_82571;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   410
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   411
	case E1000_DEV_ID_82572EI_COPPER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   412
	case E1000_DEV_ID_82572EI_FIBER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   413
	case E1000_DEV_ID_82572EI_SERDES:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   414
	case E1000_DEV_ID_82572EI:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   415
		hw->mac_type = e1000_82572;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   416
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   417
	case E1000_DEV_ID_82573E:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   418
	case E1000_DEV_ID_82573E_IAMT:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   419
	case E1000_DEV_ID_82573L:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   420
		hw->mac_type = e1000_82573;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   421
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   422
	case E1000_DEV_ID_80003ES2LAN_COPPER_SPT:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   423
	case E1000_DEV_ID_80003ES2LAN_SERDES_SPT:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   424
	case E1000_DEV_ID_80003ES2LAN_COPPER_DPT:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   425
	case E1000_DEV_ID_80003ES2LAN_SERDES_DPT:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   426
		hw->mac_type = e1000_80003es2lan;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   427
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   428
	case E1000_DEV_ID_ICH8_IGP_M_AMT:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   429
	case E1000_DEV_ID_ICH8_IGP_AMT:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   430
	case E1000_DEV_ID_ICH8_IGP_C:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   431
	case E1000_DEV_ID_ICH8_IFE:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   432
	case E1000_DEV_ID_ICH8_IFE_GT:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   433
	case E1000_DEV_ID_ICH8_IFE_G:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   434
	case E1000_DEV_ID_ICH8_IGP_M:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   435
		hw->mac_type = e1000_ich8lan;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   436
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   437
	default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   438
		/* Should never have loaded on this device */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   439
		return -E1000_ERR_MAC_TYPE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   440
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   441
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   442
	switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   443
	case e1000_ich8lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   444
		hw->swfwhw_semaphore_present = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   445
		hw->asf_firmware_present = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   446
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   447
	case e1000_80003es2lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   448
		hw->swfw_sync_present = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   449
		/* fall through */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   450
	case e1000_82571:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   451
	case e1000_82572:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   452
	case e1000_82573:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   453
		hw->eeprom_semaphore_present = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   454
		/* fall through */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   455
	case e1000_82541:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   456
	case e1000_82547:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   457
	case e1000_82541_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   458
	case e1000_82547_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   459
		hw->asf_firmware_present = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   460
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   461
	default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   462
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   463
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   464
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   465
	/* The 82543 chip does not count tx_carrier_errors properly in
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   466
	 * FD mode
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   467
	 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   468
	if (hw->mac_type == e1000_82543)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   469
		hw->bad_tx_carr_stats_fd = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   470
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   471
	/* capable of receiving management packets to the host */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   472
	if (hw->mac_type >= e1000_82571)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   473
		hw->has_manc2h = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   474
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   475
	/* In rare occasions, ESB2 systems would end up started without
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   476
	 * the RX unit being turned on.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   477
	 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   478
	if (hw->mac_type == e1000_80003es2lan)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   479
		hw->rx_needs_kicking = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   480
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   481
	if (hw->mac_type > e1000_82544)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   482
		hw->has_smbus = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   483
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   484
	return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   485
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   486
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   487
/*****************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   488
 * Set media type and TBI compatibility.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   489
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   490
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   491
 * **************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   492
void e1000_set_media_type(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   493
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   494
    u32 status;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   495
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   496
    DEBUGFUNC("e1000_set_media_type");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   497
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   498
    if (hw->mac_type != e1000_82543) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   499
        /* tbi_compatibility is only valid on 82543 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   500
        hw->tbi_compatibility_en = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   501
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   502
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   503
    switch (hw->device_id) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   504
    case E1000_DEV_ID_82545GM_SERDES:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   505
    case E1000_DEV_ID_82546GB_SERDES:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   506
    case E1000_DEV_ID_82571EB_SERDES:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   507
    case E1000_DEV_ID_82571EB_SERDES_DUAL:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   508
    case E1000_DEV_ID_82571EB_SERDES_QUAD:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   509
    case E1000_DEV_ID_82572EI_SERDES:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   510
    case E1000_DEV_ID_80003ES2LAN_SERDES_DPT:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   511
        hw->media_type = e1000_media_type_internal_serdes;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   512
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   513
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   514
        switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   515
        case e1000_82542_rev2_0:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   516
        case e1000_82542_rev2_1:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   517
            hw->media_type = e1000_media_type_fiber;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   518
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   519
        case e1000_ich8lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   520
        case e1000_82573:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   521
            /* The STATUS_TBIMODE bit is reserved or reused for the this
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   522
             * device.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   523
             */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   524
            hw->media_type = e1000_media_type_copper;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   525
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   526
        default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   527
            status = er32(STATUS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   528
            if (status & E1000_STATUS_TBIMODE) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   529
                hw->media_type = e1000_media_type_fiber;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   530
                /* tbi_compatibility not valid on fiber */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   531
                hw->tbi_compatibility_en = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   532
            } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   533
                hw->media_type = e1000_media_type_copper;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   534
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   535
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   536
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   537
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   538
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   539
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   540
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   541
 * Reset the transmit and receive units; mask and clear all interrupts.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   542
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   543
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   544
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   545
s32 e1000_reset_hw(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   546
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   547
    u32 ctrl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   548
    u32 ctrl_ext;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   549
    u32 icr;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   550
    u32 manc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   551
    u32 led_ctrl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   552
    u32 timeout;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   553
    u32 extcnf_ctrl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   554
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   555
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   556
    DEBUGFUNC("e1000_reset_hw");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   557
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   558
    /* For 82542 (rev 2.0), disable MWI before issuing a device reset */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   559
    if (hw->mac_type == e1000_82542_rev2_0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   560
        DEBUGOUT("Disabling MWI on 82542 rev 2.0\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   561
        e1000_pci_clear_mwi(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   562
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   563
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   564
    if (hw->bus_type == e1000_bus_type_pci_express) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   565
        /* Prevent the PCI-E bus from sticking if there is no TLP connection
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   566
         * on the last TLP read/write transaction when MAC is reset.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   567
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   568
        if (e1000_disable_pciex_master(hw) != E1000_SUCCESS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   569
            DEBUGOUT("PCI-E Master disable polling has failed.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   570
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   571
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   572
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   573
    /* Clear interrupt mask to stop board from generating interrupts */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   574
    DEBUGOUT("Masking off all interrupts\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   575
    ew32(IMC, 0xffffffff);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   576
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   577
    /* Disable the Transmit and Receive units.  Then delay to allow
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   578
     * any pending transactions to complete before we hit the MAC with
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   579
     * the global reset.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   580
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   581
    ew32(RCTL, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   582
    ew32(TCTL, E1000_TCTL_PSP);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   583
    E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   584
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   585
    /* The tbi_compatibility_on Flag must be cleared when Rctl is cleared. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   586
    hw->tbi_compatibility_on = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   587
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   588
    /* Delay to allow any outstanding PCI transactions to complete before
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   589
     * resetting the device
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   590
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   591
    msleep(10);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   592
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   593
    ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   594
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   595
    /* Must reset the PHY before resetting the MAC */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   596
    if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   597
        ew32(CTRL, (ctrl | E1000_CTRL_PHY_RST));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   598
        msleep(5);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   599
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   600
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   601
    /* Must acquire the MDIO ownership before MAC reset.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   602
     * Ownership defaults to firmware after a reset. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   603
    if (hw->mac_type == e1000_82573) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   604
        timeout = 10;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   605
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   606
        extcnf_ctrl = er32(EXTCNF_CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   607
        extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   608
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   609
        do {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   610
            ew32(EXTCNF_CTRL, extcnf_ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   611
            extcnf_ctrl = er32(EXTCNF_CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   612
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   613
            if (extcnf_ctrl & E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   614
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   615
            else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   616
                extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   617
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   618
            msleep(2);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   619
            timeout--;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   620
        } while (timeout);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   621
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   622
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   623
    /* Workaround for ICH8 bit corruption issue in FIFO memory */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   624
    if (hw->mac_type == e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   625
        /* Set Tx and Rx buffer allocation to 8k apiece. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   626
        ew32(PBA, E1000_PBA_8K);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   627
        /* Set Packet Buffer Size to 16k. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   628
        ew32(PBS, E1000_PBS_16K);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   629
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   630
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   631
    /* Issue a global reset to the MAC.  This will reset the chip's
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   632
     * transmit, receive, DMA, and link units.  It will not effect
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   633
     * the current PCI configuration.  The global reset bit is self-
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   634
     * clearing, and should clear within a microsecond.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   635
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   636
    DEBUGOUT("Issuing a global reset to MAC\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   637
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   638
    switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   639
        case e1000_82544:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   640
        case e1000_82540:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   641
        case e1000_82545:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   642
        case e1000_82546:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   643
        case e1000_82541:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   644
        case e1000_82541_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   645
            /* These controllers can't ack the 64-bit write when issuing the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   646
             * reset, so use IO-mapping as a workaround to issue the reset */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   647
            E1000_WRITE_REG_IO(hw, CTRL, (ctrl | E1000_CTRL_RST));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   648
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   649
        case e1000_82545_rev_3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   650
        case e1000_82546_rev_3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   651
            /* Reset is performed on a shadow of the control register */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   652
            ew32(CTRL_DUP, (ctrl | E1000_CTRL_RST));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   653
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   654
        case e1000_ich8lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   655
            if (!hw->phy_reset_disable &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   656
                e1000_check_phy_reset_block(hw) == E1000_SUCCESS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   657
                /* e1000_ich8lan PHY HW reset requires MAC CORE reset
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   658
                 * at the same time to make sure the interface between
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   659
                 * MAC and the external PHY is reset.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   660
                 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   661
                ctrl |= E1000_CTRL_PHY_RST;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   662
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   663
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   664
            e1000_get_software_flag(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   665
            ew32(CTRL, (ctrl | E1000_CTRL_RST));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   666
            msleep(5);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   667
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   668
        default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   669
            ew32(CTRL, (ctrl | E1000_CTRL_RST));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   670
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   671
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   672
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   673
    /* After MAC reset, force reload of EEPROM to restore power-on settings to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   674
     * device.  Later controllers reload the EEPROM automatically, so just wait
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   675
     * for reload to complete.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   676
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   677
    switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   678
        case e1000_82542_rev2_0:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   679
        case e1000_82542_rev2_1:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   680
        case e1000_82543:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   681
        case e1000_82544:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   682
            /* Wait for reset to complete */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   683
            udelay(10);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   684
            ctrl_ext = er32(CTRL_EXT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   685
            ctrl_ext |= E1000_CTRL_EXT_EE_RST;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   686
            ew32(CTRL_EXT, ctrl_ext);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   687
            E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   688
            /* Wait for EEPROM reload */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   689
            msleep(2);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   690
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   691
        case e1000_82541:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   692
        case e1000_82541_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   693
        case e1000_82547:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   694
        case e1000_82547_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   695
            /* Wait for EEPROM reload */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   696
            msleep(20);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   697
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   698
        case e1000_82573:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   699
            if (!e1000_is_onboard_nvm_eeprom(hw)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   700
                udelay(10);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   701
                ctrl_ext = er32(CTRL_EXT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   702
                ctrl_ext |= E1000_CTRL_EXT_EE_RST;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   703
                ew32(CTRL_EXT, ctrl_ext);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   704
                E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   705
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   706
            /* fall through */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   707
        default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   708
            /* Auto read done will delay 5ms or poll based on mac type */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   709
            ret_val = e1000_get_auto_rd_done(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   710
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   711
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   712
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   713
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   714
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   715
    /* Disable HW ARPs on ASF enabled adapters */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   716
    if (hw->mac_type >= e1000_82540 && hw->mac_type <= e1000_82547_rev_2) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   717
        manc = er32(MANC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   718
        manc &= ~(E1000_MANC_ARP_EN);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   719
        ew32(MANC, manc);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   720
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   721
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   722
    if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   723
        e1000_phy_init_script(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   724
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   725
        /* Configure activity LED after PHY reset */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   726
        led_ctrl = er32(LEDCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   727
        led_ctrl &= IGP_ACTIVITY_LED_MASK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   728
        led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   729
        ew32(LEDCTL, led_ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   730
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   731
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   732
    /* Clear interrupt mask to stop board from generating interrupts */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   733
    DEBUGOUT("Masking off all interrupts\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   734
    ew32(IMC, 0xffffffff);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   735
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   736
    /* Clear any pending interrupt events. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   737
    icr = er32(ICR);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   738
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   739
    /* If MWI was previously enabled, reenable it. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   740
    if (hw->mac_type == e1000_82542_rev2_0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   741
        if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   742
            e1000_pci_set_mwi(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   743
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   744
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   745
    if (hw->mac_type == e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   746
        u32 kab = er32(KABGTXD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   747
        kab |= E1000_KABGTXD_BGSQLBIAS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   748
        ew32(KABGTXD, kab);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   749
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   750
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   751
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   752
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   753
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   754
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   755
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   756
 * Initialize a number of hardware-dependent bits
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   757
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   758
 * hw: Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   759
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   760
 * This function contains hardware limitation workarounds for PCI-E adapters
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   761
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   762
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   763
static void e1000_initialize_hardware_bits(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   764
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   765
    if ((hw->mac_type >= e1000_82571) && (!hw->initialize_hw_bits_disable)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   766
        /* Settings common to all PCI-express silicon */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   767
        u32 reg_ctrl, reg_ctrl_ext;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   768
        u32 reg_tarc0, reg_tarc1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   769
        u32 reg_tctl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   770
        u32 reg_txdctl, reg_txdctl1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   771
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   772
        /* link autonegotiation/sync workarounds */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   773
        reg_tarc0 = er32(TARC0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   774
        reg_tarc0 &= ~((1 << 30)|(1 << 29)|(1 << 28)|(1 << 27));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   775
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   776
        /* Enable not-done TX descriptor counting */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   777
        reg_txdctl = er32(TXDCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   778
        reg_txdctl |= E1000_TXDCTL_COUNT_DESC;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   779
        ew32(TXDCTL, reg_txdctl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   780
        reg_txdctl1 = er32(TXDCTL1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   781
        reg_txdctl1 |= E1000_TXDCTL_COUNT_DESC;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   782
        ew32(TXDCTL1, reg_txdctl1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   783
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   784
        switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   785
            case e1000_82571:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   786
            case e1000_82572:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   787
                /* Clear PHY TX compatible mode bits */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   788
                reg_tarc1 = er32(TARC1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   789
                reg_tarc1 &= ~((1 << 30)|(1 << 29));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   790
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   791
                /* link autonegotiation/sync workarounds */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   792
                reg_tarc0 |= ((1 << 26)|(1 << 25)|(1 << 24)|(1 << 23));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   793
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   794
                /* TX ring control fixes */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   795
                reg_tarc1 |= ((1 << 26)|(1 << 25)|(1 << 24));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   796
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   797
                /* Multiple read bit is reversed polarity */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   798
                reg_tctl = er32(TCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   799
                if (reg_tctl & E1000_TCTL_MULR)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   800
                    reg_tarc1 &= ~(1 << 28);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   801
                else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   802
                    reg_tarc1 |= (1 << 28);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   803
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   804
                ew32(TARC1, reg_tarc1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   805
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   806
            case e1000_82573:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   807
                reg_ctrl_ext = er32(CTRL_EXT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   808
                reg_ctrl_ext &= ~(1 << 23);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   809
                reg_ctrl_ext |= (1 << 22);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   810
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   811
                /* TX byte count fix */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   812
                reg_ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   813
                reg_ctrl &= ~(1 << 29);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   814
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   815
                ew32(CTRL_EXT, reg_ctrl_ext);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   816
                ew32(CTRL, reg_ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   817
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   818
            case e1000_80003es2lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   819
                /* improve small packet performace for fiber/serdes */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   820
                if ((hw->media_type == e1000_media_type_fiber) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   821
                    (hw->media_type == e1000_media_type_internal_serdes)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   822
                    reg_tarc0 &= ~(1 << 20);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   823
                }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   824
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   825
                /* Multiple read bit is reversed polarity */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   826
                reg_tctl = er32(TCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   827
                reg_tarc1 = er32(TARC1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   828
                if (reg_tctl & E1000_TCTL_MULR)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   829
                    reg_tarc1 &= ~(1 << 28);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   830
                else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   831
                    reg_tarc1 |= (1 << 28);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   832
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   833
                ew32(TARC1, reg_tarc1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   834
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   835
            case e1000_ich8lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   836
                /* Reduce concurrent DMA requests to 3 from 4 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   837
                if ((hw->revision_id < 3) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   838
                    ((hw->device_id != E1000_DEV_ID_ICH8_IGP_M_AMT) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   839
                     (hw->device_id != E1000_DEV_ID_ICH8_IGP_M)))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   840
                    reg_tarc0 |= ((1 << 29)|(1 << 28));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   841
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   842
                reg_ctrl_ext = er32(CTRL_EXT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   843
                reg_ctrl_ext |= (1 << 22);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   844
                ew32(CTRL_EXT, reg_ctrl_ext);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   845
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   846
                /* workaround TX hang with TSO=on */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   847
                reg_tarc0 |= ((1 << 27)|(1 << 26)|(1 << 24)|(1 << 23));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   848
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   849
                /* Multiple read bit is reversed polarity */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   850
                reg_tctl = er32(TCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   851
                reg_tarc1 = er32(TARC1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   852
                if (reg_tctl & E1000_TCTL_MULR)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   853
                    reg_tarc1 &= ~(1 << 28);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   854
                else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   855
                    reg_tarc1 |= (1 << 28);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   856
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   857
                /* workaround TX hang with TSO=on */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   858
                reg_tarc1 |= ((1 << 30)|(1 << 26)|(1 << 24));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   859
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   860
                ew32(TARC1, reg_tarc1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   861
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   862
            default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   863
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   864
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   865
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   866
        ew32(TARC0, reg_tarc0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   867
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   868
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   869
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   870
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   871
 * Performs basic configuration of the adapter.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   872
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   873
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   874
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   875
 * Assumes that the controller has previously been reset and is in a
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   876
 * post-reset uninitialized state. Initializes the receive address registers,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   877
 * multicast table, and VLAN filter table. Calls routines to setup link
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   878
 * configuration and flow control settings. Clears all on-chip counters. Leaves
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   879
 * the transmit and receive units disabled and uninitialized.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   880
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   881
s32 e1000_init_hw(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   882
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   883
    u32 ctrl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   884
    u32 i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   885
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   886
    u32 mta_size;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   887
    u32 reg_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   888
    u32 ctrl_ext;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   889
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   890
    DEBUGFUNC("e1000_init_hw");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   891
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   892
    /* force full DMA clock frequency for 10/100 on ICH8 A0-B0 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   893
    if ((hw->mac_type == e1000_ich8lan) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   894
        ((hw->revision_id < 3) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   895
         ((hw->device_id != E1000_DEV_ID_ICH8_IGP_M_AMT) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   896
          (hw->device_id != E1000_DEV_ID_ICH8_IGP_M)))) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   897
            reg_data = er32(STATUS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   898
            reg_data &= ~0x80000000;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   899
            ew32(STATUS, reg_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   900
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   901
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   902
    /* Initialize Identification LED */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   903
    ret_val = e1000_id_led_init(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   904
    if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   905
        DEBUGOUT("Error Initializing Identification LED\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   906
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   907
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   908
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   909
    /* Set the media type and TBI compatibility */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   910
    e1000_set_media_type(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   911
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   912
    /* Must be called after e1000_set_media_type because media_type is used */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   913
    e1000_initialize_hardware_bits(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   914
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   915
    /* Disabling VLAN filtering. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   916
    DEBUGOUT("Initializing the IEEE VLAN\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   917
    /* VET hardcoded to standard value and VFTA removed in ICH8 LAN */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   918
    if (hw->mac_type != e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   919
        if (hw->mac_type < e1000_82545_rev_3)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   920
            ew32(VET, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   921
        e1000_clear_vfta(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   922
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   923
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   924
    /* For 82542 (rev 2.0), disable MWI and put the receiver into reset */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   925
    if (hw->mac_type == e1000_82542_rev2_0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   926
        DEBUGOUT("Disabling MWI on 82542 rev 2.0\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   927
        e1000_pci_clear_mwi(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   928
        ew32(RCTL, E1000_RCTL_RST);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   929
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   930
        msleep(5);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   931
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   932
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   933
    /* Setup the receive address. This involves initializing all of the Receive
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   934
     * Address Registers (RARs 0 - 15).
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   935
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   936
    e1000_init_rx_addrs(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   937
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   938
    /* For 82542 (rev 2.0), take the receiver out of reset and enable MWI */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   939
    if (hw->mac_type == e1000_82542_rev2_0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   940
        ew32(RCTL, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   941
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   942
        msleep(1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   943
        if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   944
            e1000_pci_set_mwi(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   945
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   946
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   947
    /* Zero out the Multicast HASH table */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   948
    DEBUGOUT("Zeroing the MTA\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   949
    mta_size = E1000_MC_TBL_SIZE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   950
    if (hw->mac_type == e1000_ich8lan)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   951
        mta_size = E1000_MC_TBL_SIZE_ICH8LAN;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   952
    for (i = 0; i < mta_size; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   953
        E1000_WRITE_REG_ARRAY(hw, MTA, i, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   954
        /* use write flush to prevent Memory Write Block (MWB) from
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   955
         * occuring when accessing our register space */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   956
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   957
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   958
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   959
    /* Set the PCI priority bit correctly in the CTRL register.  This
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   960
     * determines if the adapter gives priority to receives, or if it
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   961
     * gives equal priority to transmits and receives.  Valid only on
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   962
     * 82542 and 82543 silicon.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   963
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   964
    if (hw->dma_fairness && hw->mac_type <= e1000_82543) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   965
        ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   966
        ew32(CTRL, ctrl | E1000_CTRL_PRIOR);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   967
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   968
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   969
    switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   970
    case e1000_82545_rev_3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   971
    case e1000_82546_rev_3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   972
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   973
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   974
        /* Workaround for PCI-X problem when BIOS sets MMRBC incorrectly. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   975
	if (hw->bus_type == e1000_bus_type_pcix && e1000_pcix_get_mmrbc(hw) > 2048)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   976
		e1000_pcix_set_mmrbc(hw, 2048);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   977
	break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   978
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   979
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   980
    /* More time needed for PHY to initialize */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   981
    if (hw->mac_type == e1000_ich8lan)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   982
        msleep(15);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   983
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   984
    /* Call a subroutine to configure the link and setup flow control. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   985
    ret_val = e1000_setup_link(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   986
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   987
    /* Set the transmit descriptor write-back policy */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   988
    if (hw->mac_type > e1000_82544) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   989
        ctrl = er32(TXDCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   990
        ctrl = (ctrl & ~E1000_TXDCTL_WTHRESH) | E1000_TXDCTL_FULL_TX_DESC_WB;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   991
        ew32(TXDCTL, ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   992
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   993
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   994
    if (hw->mac_type == e1000_82573) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   995
        e1000_enable_tx_pkt_filtering(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   996
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   997
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   998
    switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   999
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1000
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1001
    case e1000_80003es2lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1002
        /* Enable retransmit on late collisions */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1003
        reg_data = er32(TCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1004
        reg_data |= E1000_TCTL_RTLC;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1005
        ew32(TCTL, reg_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1006
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1007
        /* Configure Gigabit Carry Extend Padding */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1008
        reg_data = er32(TCTL_EXT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1009
        reg_data &= ~E1000_TCTL_EXT_GCEX_MASK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1010
        reg_data |= DEFAULT_80003ES2LAN_TCTL_EXT_GCEX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1011
        ew32(TCTL_EXT, reg_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1012
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1013
        /* Configure Transmit Inter-Packet Gap */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1014
        reg_data = er32(TIPG);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1015
        reg_data &= ~E1000_TIPG_IPGT_MASK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1016
        reg_data |= DEFAULT_80003ES2LAN_TIPG_IPGT_1000;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1017
        ew32(TIPG, reg_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1018
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1019
        reg_data = E1000_READ_REG_ARRAY(hw, FFLT, 0x0001);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1020
        reg_data &= ~0x00100000;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1021
        E1000_WRITE_REG_ARRAY(hw, FFLT, 0x0001, reg_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1022
        /* Fall through */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1023
    case e1000_82571:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1024
    case e1000_82572:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1025
    case e1000_ich8lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1026
        ctrl = er32(TXDCTL1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1027
        ctrl = (ctrl & ~E1000_TXDCTL_WTHRESH) | E1000_TXDCTL_FULL_TX_DESC_WB;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1028
        ew32(TXDCTL1, ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1029
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1030
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1031
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1032
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1033
    if (hw->mac_type == e1000_82573) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1034
        u32 gcr = er32(GCR);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1035
        gcr |= E1000_GCR_L1_ACT_WITHOUT_L0S_RX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1036
        ew32(GCR, gcr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1037
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1038
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1039
    /* Clear all of the statistics registers (clear on read).  It is
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1040
     * important that we do this after we have tried to establish link
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1041
     * because the symbol error count will increment wildly if there
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1042
     * is no link.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1043
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1044
    e1000_clear_hw_cntrs(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1045
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1046
    /* ICH8 No-snoop bits are opposite polarity.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1047
     * Set to snoop by default after reset. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1048
    if (hw->mac_type == e1000_ich8lan)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1049
        e1000_set_pci_ex_no_snoop(hw, PCI_EX_82566_SNOOP_ALL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1050
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1051
    if (hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1052
        hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1053
        ctrl_ext = er32(CTRL_EXT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1054
        /* Relaxed ordering must be disabled to avoid a parity
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1055
         * error crash in a PCI slot. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1056
        ctrl_ext |= E1000_CTRL_EXT_RO_DIS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1057
        ew32(CTRL_EXT, ctrl_ext);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1058
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1059
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1060
    return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1061
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1062
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1063
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1064
 * Adjust SERDES output amplitude based on EEPROM setting.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1065
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1066
 * hw - Struct containing variables accessed by shared code.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1067
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1068
static s32 e1000_adjust_serdes_amplitude(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1069
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1070
    u16 eeprom_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1071
    s32  ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1072
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1073
    DEBUGFUNC("e1000_adjust_serdes_amplitude");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1074
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1075
    if (hw->media_type != e1000_media_type_internal_serdes)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1076
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1077
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1078
    switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1079
    case e1000_82545_rev_3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1080
    case e1000_82546_rev_3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1081
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1082
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1083
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1084
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1085
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1086
    ret_val = e1000_read_eeprom(hw, EEPROM_SERDES_AMPLITUDE, 1, &eeprom_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1087
    if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1088
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1089
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1090
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1091
    if (eeprom_data != EEPROM_RESERVED_WORD) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1092
        /* Adjust SERDES output amplitude only. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1093
        eeprom_data &= EEPROM_SERDES_AMPLITUDE_MASK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1094
        ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_EXT_CTRL, eeprom_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1095
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1096
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1097
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1098
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1099
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1100
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1101
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1102
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1103
 * Configures flow control and link settings.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1104
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1105
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1106
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1107
 * Determines which flow control settings to use. Calls the apropriate media-
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1108
 * specific link configuration function. Configures the flow control settings.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1109
 * Assuming the adapter has a valid link partner, a valid link should be
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1110
 * established. Assumes the hardware has previously been reset and the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1111
 * transmitter and receiver are not enabled.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1112
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1113
s32 e1000_setup_link(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1114
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1115
    u32 ctrl_ext;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1116
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1117
    u16 eeprom_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1118
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1119
    DEBUGFUNC("e1000_setup_link");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1120
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1121
    /* In the case of the phy reset being blocked, we already have a link.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1122
     * We do not have to set it up again. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1123
    if (e1000_check_phy_reset_block(hw))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1124
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1125
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1126
    /* Read and store word 0x0F of the EEPROM. This word contains bits
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1127
     * that determine the hardware's default PAUSE (flow control) mode,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1128
     * a bit that determines whether the HW defaults to enabling or
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1129
     * disabling auto-negotiation, and the direction of the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1130
     * SW defined pins. If there is no SW over-ride of the flow
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1131
     * control setting, then the variable hw->fc will
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1132
     * be initialized based on a value in the EEPROM.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1133
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1134
    if (hw->fc == E1000_FC_DEFAULT) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1135
        switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1136
        case e1000_ich8lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1137
        case e1000_82573:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1138
            hw->fc = E1000_FC_FULL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1139
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1140
        default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1141
            ret_val = e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1142
                                        1, &eeprom_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1143
            if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1144
                DEBUGOUT("EEPROM Read Error\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1145
                return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1146
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1147
            if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == 0)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1148
                hw->fc = E1000_FC_NONE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1149
            else if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) ==
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1150
                    EEPROM_WORD0F_ASM_DIR)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1151
                hw->fc = E1000_FC_TX_PAUSE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1152
            else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1153
                hw->fc = E1000_FC_FULL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1154
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1155
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1156
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1157
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1158
    /* We want to save off the original Flow Control configuration just
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1159
     * in case we get disconnected and then reconnected into a different
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1160
     * hub or switch with different Flow Control capabilities.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1161
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1162
    if (hw->mac_type == e1000_82542_rev2_0)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1163
        hw->fc &= (~E1000_FC_TX_PAUSE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1164
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1165
    if ((hw->mac_type < e1000_82543) && (hw->report_tx_early == 1))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1166
        hw->fc &= (~E1000_FC_RX_PAUSE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1167
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1168
    hw->original_fc = hw->fc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1169
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1170
    DEBUGOUT1("After fix-ups FlowControl is now = %x\n", hw->fc);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1171
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1172
    /* Take the 4 bits from EEPROM word 0x0F that determine the initial
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1173
     * polarity value for the SW controlled pins, and setup the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1174
     * Extended Device Control reg with that info.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1175
     * This is needed because one of the SW controlled pins is used for
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1176
     * signal detection.  So this should be done before e1000_setup_pcs_link()
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1177
     * or e1000_phy_setup() is called.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1178
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1179
    if (hw->mac_type == e1000_82543) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1180
        ret_val = e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1181
                                    1, &eeprom_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1182
        if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1183
            DEBUGOUT("EEPROM Read Error\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1184
            return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1185
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1186
        ctrl_ext = ((eeprom_data & EEPROM_WORD0F_SWPDIO_EXT) <<
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1187
                    SWDPIO__EXT_SHIFT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1188
        ew32(CTRL_EXT, ctrl_ext);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1189
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1190
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1191
    /* Call the necessary subroutine to configure the link. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1192
    ret_val = (hw->media_type == e1000_media_type_copper) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1193
              e1000_setup_copper_link(hw) :
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1194
              e1000_setup_fiber_serdes_link(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1195
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1196
    /* Initialize the flow control address, type, and PAUSE timer
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1197
     * registers to their default values.  This is done even if flow
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1198
     * control is disabled, because it does not hurt anything to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1199
     * initialize these registers.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1200
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1201
    DEBUGOUT("Initializing the Flow Control address, type and timer regs\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1202
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1203
    /* FCAL/H and FCT are hardcoded to standard values in e1000_ich8lan. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1204
    if (hw->mac_type != e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1205
        ew32(FCT, FLOW_CONTROL_TYPE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1206
        ew32(FCAH, FLOW_CONTROL_ADDRESS_HIGH);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1207
        ew32(FCAL, FLOW_CONTROL_ADDRESS_LOW);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1208
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1209
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1210
    ew32(FCTTV, hw->fc_pause_time);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1211
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1212
    /* Set the flow control receive threshold registers.  Normally,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1213
     * these registers will be set to a default threshold that may be
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1214
     * adjusted later by the driver's runtime code.  However, if the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1215
     * ability to transmit pause frames in not enabled, then these
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1216
     * registers will be set to 0.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1217
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1218
    if (!(hw->fc & E1000_FC_TX_PAUSE)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1219
        ew32(FCRTL, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1220
        ew32(FCRTH, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1221
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1222
        /* We need to set up the Receive Threshold high and low water marks
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1223
         * as well as (optionally) enabling the transmission of XON frames.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1224
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1225
        if (hw->fc_send_xon) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1226
            ew32(FCRTL, (hw->fc_low_water | E1000_FCRTL_XONE));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1227
            ew32(FCRTH, hw->fc_high_water);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1228
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1229
            ew32(FCRTL, hw->fc_low_water);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1230
            ew32(FCRTH, hw->fc_high_water);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1231
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1232
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1233
    return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1234
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1235
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1236
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1237
 * Sets up link for a fiber based or serdes based adapter
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1238
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1239
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1240
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1241
 * Manipulates Physical Coding Sublayer functions in order to configure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1242
 * link. Assumes the hardware has been previously reset and the transmitter
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1243
 * and receiver are not enabled.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1244
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1245
static s32 e1000_setup_fiber_serdes_link(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1246
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1247
    u32 ctrl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1248
    u32 status;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1249
    u32 txcw = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1250
    u32 i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1251
    u32 signal = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1252
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1253
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1254
    DEBUGFUNC("e1000_setup_fiber_serdes_link");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1255
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1256
    /* On 82571 and 82572 Fiber connections, SerDes loopback mode persists
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1257
     * until explicitly turned off or a power cycle is performed.  A read to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1258
     * the register does not indicate its status.  Therefore, we ensure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1259
     * loopback mode is disabled during initialization.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1260
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1261
    if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1262
        ew32(SCTL, E1000_DISABLE_SERDES_LOOPBACK);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1263
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1264
    /* On adapters with a MAC newer than 82544, SWDP 1 will be
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1265
     * set when the optics detect a signal. On older adapters, it will be
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1266
     * cleared when there is a signal.  This applies to fiber media only.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1267
     * If we're on serdes media, adjust the output amplitude to value
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1268
     * set in the EEPROM.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1269
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1270
    ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1271
    if (hw->media_type == e1000_media_type_fiber)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1272
        signal = (hw->mac_type > e1000_82544) ? E1000_CTRL_SWDPIN1 : 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1273
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1274
    ret_val = e1000_adjust_serdes_amplitude(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1275
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1276
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1277
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1278
    /* Take the link out of reset */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1279
    ctrl &= ~(E1000_CTRL_LRST);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1280
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1281
    /* Adjust VCO speed to improve BER performance */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1282
    ret_val = e1000_set_vco_speed(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1283
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1284
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1285
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1286
    e1000_config_collision_dist(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1287
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1288
    /* Check for a software override of the flow control settings, and setup
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1289
     * the device accordingly.  If auto-negotiation is enabled, then software
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1290
     * will have to set the "PAUSE" bits to the correct value in the Tranmsit
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1291
     * Config Word Register (TXCW) and re-start auto-negotiation.  However, if
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1292
     * auto-negotiation is disabled, then software will have to manually
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1293
     * configure the two flow control enable bits in the CTRL register.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1294
     *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1295
     * The possible values of the "fc" parameter are:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1296
     *      0:  Flow control is completely disabled
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1297
     *      1:  Rx flow control is enabled (we can receive pause frames, but
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1298
     *          not send pause frames).
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1299
     *      2:  Tx flow control is enabled (we can send pause frames but we do
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1300
     *          not support receiving pause frames).
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1301
     *      3:  Both Rx and TX flow control (symmetric) are enabled.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1302
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1303
    switch (hw->fc) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1304
    case E1000_FC_NONE:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1305
        /* Flow control is completely disabled by a software over-ride. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1306
        txcw = (E1000_TXCW_ANE | E1000_TXCW_FD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1307
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1308
    case E1000_FC_RX_PAUSE:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1309
        /* RX Flow control is enabled and TX Flow control is disabled by a
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1310
         * software over-ride. Since there really isn't a way to advertise
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1311
         * that we are capable of RX Pause ONLY, we will advertise that we
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1312
         * support both symmetric and asymmetric RX PAUSE. Later, we will
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1313
         *  disable the adapter's ability to send PAUSE frames.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1314
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1315
        txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1316
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1317
    case E1000_FC_TX_PAUSE:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1318
        /* TX Flow control is enabled, and RX Flow control is disabled, by a
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1319
         * software over-ride.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1320
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1321
        txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_ASM_DIR);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1322
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1323
    case E1000_FC_FULL:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1324
        /* Flow control (both RX and TX) is enabled by a software over-ride. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1325
        txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1326
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1327
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1328
        DEBUGOUT("Flow control param set incorrectly\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1329
        return -E1000_ERR_CONFIG;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1330
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1331
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1332
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1333
    /* Since auto-negotiation is enabled, take the link out of reset (the link
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1334
     * will be in reset, because we previously reset the chip). This will
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1335
     * restart auto-negotiation.  If auto-neogtiation is successful then the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1336
     * link-up status bit will be set and the flow control enable bits (RFCE
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1337
     * and TFCE) will be set according to their negotiated value.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1338
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1339
    DEBUGOUT("Auto-negotiation enabled\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1340
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1341
    ew32(TXCW, txcw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1342
    ew32(CTRL, ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1343
    E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1344
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1345
    hw->txcw = txcw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1346
    msleep(1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1347
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1348
    /* If we have a signal (the cable is plugged in) then poll for a "Link-Up"
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1349
     * indication in the Device Status Register.  Time-out if a link isn't
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1350
     * seen in 500 milliseconds seconds (Auto-negotiation should complete in
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1351
     * less than 500 milliseconds even if the other end is doing it in SW).
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1352
     * For internal serdes, we just assume a signal is present, then poll.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1353
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1354
    if (hw->media_type == e1000_media_type_internal_serdes ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1355
       (er32(CTRL) & E1000_CTRL_SWDPIN1) == signal) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1356
        DEBUGOUT("Looking for Link\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1357
        for (i = 0; i < (LINK_UP_TIMEOUT / 10); i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1358
            msleep(10);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1359
            status = er32(STATUS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1360
            if (status & E1000_STATUS_LU) break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1361
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1362
        if (i == (LINK_UP_TIMEOUT / 10)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1363
            DEBUGOUT("Never got a valid link from auto-neg!!!\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1364
            hw->autoneg_failed = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1365
            /* AutoNeg failed to achieve a link, so we'll call
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1366
             * e1000_check_for_link. This routine will force the link up if
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1367
             * we detect a signal. This will allow us to communicate with
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1368
             * non-autonegotiating link partners.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1369
             */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1370
            ret_val = e1000_check_for_link(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1371
            if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1372
                DEBUGOUT("Error while checking for link\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1373
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1374
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1375
            hw->autoneg_failed = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1376
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1377
            hw->autoneg_failed = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1378
            DEBUGOUT("Valid Link Found\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1379
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1380
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1381
        DEBUGOUT("No Signal Detected\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1382
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1383
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1384
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1385
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1386
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1387
* Make sure we have a valid PHY and change PHY mode before link setup.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1388
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1389
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1390
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1391
static s32 e1000_copper_link_preconfig(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1392
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1393
    u32 ctrl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1394
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1395
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1396
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1397
    DEBUGFUNC("e1000_copper_link_preconfig");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1398
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1399
    ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1400
    /* With 82543, we need to force speed and duplex on the MAC equal to what
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1401
     * the PHY speed and duplex configuration is. In addition, we need to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1402
     * perform a hardware reset on the PHY to take it out of reset.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1403
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1404
    if (hw->mac_type > e1000_82543) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1405
        ctrl |= E1000_CTRL_SLU;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1406
        ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1407
        ew32(CTRL, ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1408
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1409
        ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX | E1000_CTRL_SLU);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1410
        ew32(CTRL, ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1411
        ret_val = e1000_phy_hw_reset(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1412
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1413
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1414
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1415
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1416
    /* Make sure we have a valid PHY */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1417
    ret_val = e1000_detect_gig_phy(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1418
    if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1419
        DEBUGOUT("Error, did not detect valid phy.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1420
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1421
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1422
    DEBUGOUT1("Phy ID = %x \n", hw->phy_id);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1423
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1424
    /* Set PHY to class A mode (if necessary) */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1425
    ret_val = e1000_set_phy_mode(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1426
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1427
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1428
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1429
    if ((hw->mac_type == e1000_82545_rev_3) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1430
       (hw->mac_type == e1000_82546_rev_3)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1431
        ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1432
        phy_data |= 0x00000008;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1433
        ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1434
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1435
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1436
    if (hw->mac_type <= e1000_82543 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1437
        hw->mac_type == e1000_82541 || hw->mac_type == e1000_82547 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1438
        hw->mac_type == e1000_82541_rev_2 || hw->mac_type == e1000_82547_rev_2)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1439
        hw->phy_reset_disable = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1440
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1441
   return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1442
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1443
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1444
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1445
/********************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1446
* Copper link setup for e1000_phy_igp series.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1447
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1448
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1449
*********************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1450
static s32 e1000_copper_link_igp_setup(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1451
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1452
    u32 led_ctrl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1453
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1454
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1455
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1456
    DEBUGFUNC("e1000_copper_link_igp_setup");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1457
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1458
    if (hw->phy_reset_disable)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1459
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1460
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1461
    ret_val = e1000_phy_reset(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1462
    if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1463
        DEBUGOUT("Error Resetting the PHY\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1464
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1465
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1466
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1467
    /* Wait 15ms for MAC to configure PHY from eeprom settings */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1468
    msleep(15);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1469
    if (hw->mac_type != e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1470
    /* Configure activity LED after PHY reset */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1471
    led_ctrl = er32(LEDCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1472
    led_ctrl &= IGP_ACTIVITY_LED_MASK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1473
    led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1474
    ew32(LEDCTL, led_ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1475
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1476
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1477
    /* The NVM settings will configure LPLU in D3 for IGP2 and IGP3 PHYs */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1478
    if (hw->phy_type == e1000_phy_igp) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1479
        /* disable lplu d3 during driver init */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1480
        ret_val = e1000_set_d3_lplu_state(hw, false);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1481
        if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1482
            DEBUGOUT("Error Disabling LPLU D3\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1483
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1484
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1485
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1486
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1487
    /* disable lplu d0 during driver init */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1488
    ret_val = e1000_set_d0_lplu_state(hw, false);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1489
    if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1490
        DEBUGOUT("Error Disabling LPLU D0\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1491
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1492
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1493
    /* Configure mdi-mdix settings */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1494
    ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1495
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1496
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1497
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1498
    if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1499
        hw->dsp_config_state = e1000_dsp_config_disabled;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1500
        /* Force MDI for earlier revs of the IGP PHY */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1501
        phy_data &= ~(IGP01E1000_PSCR_AUTO_MDIX | IGP01E1000_PSCR_FORCE_MDI_MDIX);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1502
        hw->mdix = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1503
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1504
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1505
        hw->dsp_config_state = e1000_dsp_config_enabled;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1506
        phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1507
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1508
        switch (hw->mdix) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1509
        case 1:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1510
            phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1511
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1512
        case 2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1513
            phy_data |= IGP01E1000_PSCR_FORCE_MDI_MDIX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1514
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1515
        case 0:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1516
        default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1517
            phy_data |= IGP01E1000_PSCR_AUTO_MDIX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1518
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1519
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1520
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1521
    ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1522
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1523
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1524
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1525
    /* set auto-master slave resolution settings */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1526
    if (hw->autoneg) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1527
        e1000_ms_type phy_ms_setting = hw->master_slave;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1528
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1529
        if (hw->ffe_config_state == e1000_ffe_config_active)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1530
            hw->ffe_config_state = e1000_ffe_config_enabled;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1531
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1532
        if (hw->dsp_config_state == e1000_dsp_config_activated)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1533
            hw->dsp_config_state = e1000_dsp_config_enabled;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1534
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1535
        /* when autonegotiation advertisment is only 1000Mbps then we
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1536
          * should disable SmartSpeed and enable Auto MasterSlave
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1537
          * resolution as hardware default. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1538
        if (hw->autoneg_advertised == ADVERTISE_1000_FULL) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1539
            /* Disable SmartSpeed */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1540
            ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1541
                                         &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1542
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1543
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1544
            phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1545
            ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1546
                                          phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1547
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1548
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1549
            /* Set auto Master/Slave resolution process */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1550
            ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1551
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1552
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1553
            phy_data &= ~CR_1000T_MS_ENABLE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1554
            ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1555
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1556
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1557
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1558
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1559
        ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1560
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1561
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1562
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1563
        /* load defaults for future use */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1564
        hw->original_master_slave = (phy_data & CR_1000T_MS_ENABLE) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1565
                                        ((phy_data & CR_1000T_MS_VALUE) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1566
                                         e1000_ms_force_master :
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1567
                                         e1000_ms_force_slave) :
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1568
                                         e1000_ms_auto;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1569
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1570
        switch (phy_ms_setting) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1571
        case e1000_ms_force_master:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1572
            phy_data |= (CR_1000T_MS_ENABLE | CR_1000T_MS_VALUE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1573
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1574
        case e1000_ms_force_slave:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1575
            phy_data |= CR_1000T_MS_ENABLE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1576
            phy_data &= ~(CR_1000T_MS_VALUE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1577
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1578
        case e1000_ms_auto:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1579
            phy_data &= ~CR_1000T_MS_ENABLE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1580
            default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1581
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1582
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1583
        ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1584
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1585
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1586
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1587
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1588
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1589
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1590
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1591
/********************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1592
* Copper link setup for e1000_phy_gg82563 series.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1593
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1594
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1595
*********************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1596
static s32 e1000_copper_link_ggp_setup(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1597
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1598
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1599
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1600
    u32 reg_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1601
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1602
    DEBUGFUNC("e1000_copper_link_ggp_setup");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1603
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1604
    if (!hw->phy_reset_disable) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1605
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1606
        /* Enable CRS on TX for half-duplex operation. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1607
        ret_val = e1000_read_phy_reg(hw, GG82563_PHY_MAC_SPEC_CTRL,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1608
                                     &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1609
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1610
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1611
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1612
        phy_data |= GG82563_MSCR_ASSERT_CRS_ON_TX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1613
        /* Use 25MHz for both link down and 1000BASE-T for Tx clock */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1614
        phy_data |= GG82563_MSCR_TX_CLK_1000MBPS_25MHZ;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1615
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1616
        ret_val = e1000_write_phy_reg(hw, GG82563_PHY_MAC_SPEC_CTRL,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1617
                                      phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1618
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1619
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1620
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1621
        /* Options:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1622
         *   MDI/MDI-X = 0 (default)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1623
         *   0 - Auto for all speeds
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1624
         *   1 - MDI mode
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1625
         *   2 - MDI-X mode
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1626
         *   3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1627
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1628
        ret_val = e1000_read_phy_reg(hw, GG82563_PHY_SPEC_CTRL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1629
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1630
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1631
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1632
        phy_data &= ~GG82563_PSCR_CROSSOVER_MODE_MASK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1633
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1634
        switch (hw->mdix) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1635
        case 1:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1636
            phy_data |= GG82563_PSCR_CROSSOVER_MODE_MDI;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1637
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1638
        case 2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1639
            phy_data |= GG82563_PSCR_CROSSOVER_MODE_MDIX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1640
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1641
        case 0:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1642
        default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1643
            phy_data |= GG82563_PSCR_CROSSOVER_MODE_AUTO;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1644
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1645
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1646
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1647
        /* Options:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1648
         *   disable_polarity_correction = 0 (default)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1649
         *       Automatic Correction for Reversed Cable Polarity
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1650
         *   0 - Disabled
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1651
         *   1 - Enabled
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1652
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1653
        phy_data &= ~GG82563_PSCR_POLARITY_REVERSAL_DISABLE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1654
        if (hw->disable_polarity_correction == 1)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1655
            phy_data |= GG82563_PSCR_POLARITY_REVERSAL_DISABLE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1656
        ret_val = e1000_write_phy_reg(hw, GG82563_PHY_SPEC_CTRL, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1657
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1658
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1659
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1660
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1661
        /* SW Reset the PHY so all changes take effect */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1662
        ret_val = e1000_phy_reset(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1663
        if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1664
            DEBUGOUT("Error Resetting the PHY\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1665
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1666
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1667
    } /* phy_reset_disable */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1668
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1669
    if (hw->mac_type == e1000_80003es2lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1670
        /* Bypass RX and TX FIFO's */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1671
        ret_val = e1000_write_kmrn_reg(hw, E1000_KUMCTRLSTA_OFFSET_FIFO_CTRL,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1672
                                       E1000_KUMCTRLSTA_FIFO_CTRL_RX_BYPASS |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1673
                                       E1000_KUMCTRLSTA_FIFO_CTRL_TX_BYPASS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1674
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1675
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1676
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1677
        ret_val = e1000_read_phy_reg(hw, GG82563_PHY_SPEC_CTRL_2, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1678
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1679
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1680
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1681
        phy_data &= ~GG82563_PSCR2_REVERSE_AUTO_NEG;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1682
        ret_val = e1000_write_phy_reg(hw, GG82563_PHY_SPEC_CTRL_2, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1683
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1684
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1685
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1686
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1687
        reg_data = er32(CTRL_EXT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1688
        reg_data &= ~(E1000_CTRL_EXT_LINK_MODE_MASK);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1689
        ew32(CTRL_EXT, reg_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1690
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1691
        ret_val = e1000_read_phy_reg(hw, GG82563_PHY_PWR_MGMT_CTRL,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1692
                                          &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1693
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1694
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1695
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1696
        /* Do not init these registers when the HW is in IAMT mode, since the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1697
         * firmware will have already initialized them.  We only initialize
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1698
         * them if the HW is not in IAMT mode.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1699
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1700
        if (!e1000_check_mng_mode(hw)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1701
            /* Enable Electrical Idle on the PHY */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1702
            phy_data |= GG82563_PMCR_ENABLE_ELECTRICAL_IDLE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1703
            ret_val = e1000_write_phy_reg(hw, GG82563_PHY_PWR_MGMT_CTRL,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1704
                                          phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1705
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1706
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1707
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1708
            ret_val = e1000_read_phy_reg(hw, GG82563_PHY_KMRN_MODE_CTRL,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1709
                                         &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1710
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1711
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1712
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1713
            phy_data &= ~GG82563_KMCR_PASS_FALSE_CARRIER;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1714
            ret_val = e1000_write_phy_reg(hw, GG82563_PHY_KMRN_MODE_CTRL,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1715
                                          phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1716
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1717
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1718
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1719
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1720
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1721
        /* Workaround: Disable padding in Kumeran interface in the MAC
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1722
         * and in the PHY to avoid CRC errors.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1723
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1724
        ret_val = e1000_read_phy_reg(hw, GG82563_PHY_INBAND_CTRL,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1725
                                     &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1726
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1727
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1728
        phy_data |= GG82563_ICR_DIS_PADDING;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1729
        ret_val = e1000_write_phy_reg(hw, GG82563_PHY_INBAND_CTRL,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1730
                                      phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1731
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1732
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1733
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1734
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1735
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1736
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1737
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1738
/********************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1739
* Copper link setup for e1000_phy_m88 series.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1740
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1741
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1742
*********************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1743
static s32 e1000_copper_link_mgp_setup(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1744
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1745
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1746
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1747
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1748
    DEBUGFUNC("e1000_copper_link_mgp_setup");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1749
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1750
    if (hw->phy_reset_disable)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1751
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1752
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1753
    /* Enable CRS on TX. This must be set for half-duplex operation. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1754
    ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1755
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1756
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1757
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1758
    phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1759
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1760
    /* Options:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1761
     *   MDI/MDI-X = 0 (default)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1762
     *   0 - Auto for all speeds
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1763
     *   1 - MDI mode
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1764
     *   2 - MDI-X mode
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1765
     *   3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1766
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1767
    phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1768
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1769
    switch (hw->mdix) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1770
    case 1:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1771
        phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1772
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1773
    case 2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1774
        phy_data |= M88E1000_PSCR_MDIX_MANUAL_MODE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1775
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1776
    case 3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1777
        phy_data |= M88E1000_PSCR_AUTO_X_1000T;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1778
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1779
    case 0:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1780
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1781
        phy_data |= M88E1000_PSCR_AUTO_X_MODE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1782
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1783
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1784
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1785
    /* Options:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1786
     *   disable_polarity_correction = 0 (default)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1787
     *       Automatic Correction for Reversed Cable Polarity
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1788
     *   0 - Disabled
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1789
     *   1 - Enabled
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1790
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1791
    phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1792
    if (hw->disable_polarity_correction == 1)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1793
        phy_data |= M88E1000_PSCR_POLARITY_REVERSAL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1794
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1795
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1796
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1797
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1798
    if (hw->phy_revision < M88E1011_I_REV_4) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1799
        /* Force TX_CLK in the Extended PHY Specific Control Register
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1800
         * to 25MHz clock.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1801
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1802
        ret_val = e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1803
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1804
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1805
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1806
        phy_data |= M88E1000_EPSCR_TX_CLK_25;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1807
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1808
        if ((hw->phy_revision == E1000_REVISION_2) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1809
            (hw->phy_id == M88E1111_I_PHY_ID)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1810
            /* Vidalia Phy, set the downshift counter to 5x */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1811
            phy_data &= ~(M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1812
            phy_data |= M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1813
            ret_val = e1000_write_phy_reg(hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1814
                                        M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1815
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1816
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1817
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1818
            /* Configure Master and Slave downshift values */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1819
            phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1820
                              M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1821
            phy_data |= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1822
                             M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1823
            ret_val = e1000_write_phy_reg(hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1824
                                        M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1825
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1826
               return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1827
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1828
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1829
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1830
    /* SW Reset the PHY so all changes take effect */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1831
    ret_val = e1000_phy_reset(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1832
    if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1833
        DEBUGOUT("Error Resetting the PHY\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1834
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1835
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1836
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1837
   return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1838
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1839
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1840
/********************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1841
* Setup auto-negotiation and flow control advertisements,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1842
* and then perform auto-negotiation.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1843
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1844
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1845
*********************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1846
static s32 e1000_copper_link_autoneg(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1847
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1848
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1849
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1850
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1851
    DEBUGFUNC("e1000_copper_link_autoneg");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1852
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1853
    /* Perform some bounds checking on the hw->autoneg_advertised
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1854
     * parameter.  If this variable is zero, then set it to the default.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1855
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1856
    hw->autoneg_advertised &= AUTONEG_ADVERTISE_SPEED_DEFAULT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1857
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1858
    /* If autoneg_advertised is zero, we assume it was not defaulted
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1859
     * by the calling code so we set to advertise full capability.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1860
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1861
    if (hw->autoneg_advertised == 0)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1862
        hw->autoneg_advertised = AUTONEG_ADVERTISE_SPEED_DEFAULT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1863
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1864
    /* IFE phy only supports 10/100 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1865
    if (hw->phy_type == e1000_phy_ife)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1866
        hw->autoneg_advertised &= AUTONEG_ADVERTISE_10_100_ALL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1867
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1868
    DEBUGOUT("Reconfiguring auto-neg advertisement params\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1869
    ret_val = e1000_phy_setup_autoneg(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1870
    if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1871
        DEBUGOUT("Error Setting up Auto-Negotiation\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1872
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1873
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1874
    DEBUGOUT("Restarting Auto-Neg\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1875
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1876
    /* Restart auto-negotiation by setting the Auto Neg Enable bit and
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1877
     * the Auto Neg Restart bit in the PHY control register.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1878
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1879
    ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1880
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1881
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1882
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1883
    phy_data |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1884
    ret_val = e1000_write_phy_reg(hw, PHY_CTRL, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1885
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1886
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1887
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1888
    /* Does the user want to wait for Auto-Neg to complete here, or
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1889
     * check at a later time (for example, callback routine).
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1890
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1891
    if (hw->wait_autoneg_complete) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1892
        ret_val = e1000_wait_autoneg(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1893
        if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1894
            DEBUGOUT("Error while waiting for autoneg to complete\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1895
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1896
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1897
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1898
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1899
    hw->get_link_status = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1900
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1901
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1902
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1903
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1904
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1905
* Config the MAC and the PHY after link is up.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1906
*   1) Set up the MAC to the current PHY speed/duplex
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1907
*      if we are on 82543.  If we
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1908
*      are on newer silicon, we only need to configure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1909
*      collision distance in the Transmit Control Register.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1910
*   2) Set up flow control on the MAC to that established with
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1911
*      the link partner.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1912
*   3) Config DSP to improve Gigabit link quality for some PHY revisions.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1913
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1914
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1915
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1916
static s32 e1000_copper_link_postconfig(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1917
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1918
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1919
    DEBUGFUNC("e1000_copper_link_postconfig");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1920
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1921
    if (hw->mac_type >= e1000_82544) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1922
        e1000_config_collision_dist(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1923
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1924
        ret_val = e1000_config_mac_to_phy(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1925
        if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1926
            DEBUGOUT("Error configuring MAC to PHY settings\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1927
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1928
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1929
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1930
    ret_val = e1000_config_fc_after_link_up(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1931
    if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1932
        DEBUGOUT("Error Configuring Flow Control\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1933
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1934
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1935
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1936
    /* Config DSP to improve Giga link quality */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1937
    if (hw->phy_type == e1000_phy_igp) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1938
        ret_val = e1000_config_dsp_after_link_change(hw, true);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1939
        if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1940
            DEBUGOUT("Error Configuring DSP after link up\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1941
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1942
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1943
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1944
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1945
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1946
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1947
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1948
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1949
* Detects which PHY is present and setup the speed and duplex
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1950
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1951
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1952
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1953
static s32 e1000_setup_copper_link(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1954
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1955
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1956
    u16 i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1957
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1958
    u16 reg_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1959
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1960
    DEBUGFUNC("e1000_setup_copper_link");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1961
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1962
    switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1963
    case e1000_80003es2lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1964
    case e1000_ich8lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1965
        /* Set the mac to wait the maximum time between each
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1966
         * iteration and increase the max iterations when
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1967
         * polling the phy; this fixes erroneous timeouts at 10Mbps. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1968
        ret_val = e1000_write_kmrn_reg(hw, GG82563_REG(0x34, 4), 0xFFFF);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1969
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1970
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1971
        ret_val = e1000_read_kmrn_reg(hw, GG82563_REG(0x34, 9), &reg_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1972
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1973
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1974
        reg_data |= 0x3F;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1975
        ret_val = e1000_write_kmrn_reg(hw, GG82563_REG(0x34, 9), reg_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1976
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1977
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1978
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1979
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1980
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1981
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1982
    /* Check if it is a valid PHY and set PHY mode if necessary. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1983
    ret_val = e1000_copper_link_preconfig(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1984
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1985
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1986
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1987
    switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1988
    case e1000_80003es2lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1989
        /* Kumeran registers are written-only */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1990
        reg_data = E1000_KUMCTRLSTA_INB_CTRL_LINK_STATUS_TX_TIMEOUT_DEFAULT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1991
        reg_data |= E1000_KUMCTRLSTA_INB_CTRL_DIS_PADDING;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1992
        ret_val = e1000_write_kmrn_reg(hw, E1000_KUMCTRLSTA_OFFSET_INB_CTRL,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1993
                                       reg_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1994
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1995
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1996
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1997
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1998
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1999
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2000
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2001
    if (hw->phy_type == e1000_phy_igp ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2002
        hw->phy_type == e1000_phy_igp_3 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2003
        hw->phy_type == e1000_phy_igp_2) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2004
        ret_val = e1000_copper_link_igp_setup(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2005
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2006
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2007
    } else if (hw->phy_type == e1000_phy_m88) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2008
        ret_val = e1000_copper_link_mgp_setup(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2009
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2010
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2011
    } else if (hw->phy_type == e1000_phy_gg82563) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2012
        ret_val = e1000_copper_link_ggp_setup(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2013
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2014
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2015
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2016
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2017
    if (hw->autoneg) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2018
        /* Setup autoneg and flow control advertisement
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2019
          * and perform autonegotiation */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2020
        ret_val = e1000_copper_link_autoneg(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2021
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2022
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2023
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2024
        /* PHY will be set to 10H, 10F, 100H,or 100F
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2025
          * depending on value from forced_speed_duplex. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2026
        DEBUGOUT("Forcing speed and duplex\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2027
        ret_val = e1000_phy_force_speed_duplex(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2028
        if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2029
            DEBUGOUT("Error Forcing Speed and Duplex\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2030
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2031
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2032
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2033
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2034
    /* Check link status. Wait up to 100 microseconds for link to become
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2035
     * valid.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2036
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2037
    for (i = 0; i < 10; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2038
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2039
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2040
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2041
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2042
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2043
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2044
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2045
        if (phy_data & MII_SR_LINK_STATUS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2046
            /* Config the MAC and PHY after link is up */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2047
            ret_val = e1000_copper_link_postconfig(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2048
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2049
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2050
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2051
            DEBUGOUT("Valid link established!!!\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2052
            return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2053
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2054
        udelay(10);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2055
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2056
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2057
    DEBUGOUT("Unable to establish link!!!\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2058
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2059
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2060
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2061
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2062
* Configure the MAC-to-PHY interface for 10/100Mbps
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2063
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2064
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2065
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2066
static s32 e1000_configure_kmrn_for_10_100(struct e1000_hw *hw, u16 duplex)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2067
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2068
    s32 ret_val = E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2069
    u32 tipg;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2070
    u16 reg_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2071
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2072
    DEBUGFUNC("e1000_configure_kmrn_for_10_100");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2073
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2074
    reg_data = E1000_KUMCTRLSTA_HD_CTRL_10_100_DEFAULT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2075
    ret_val = e1000_write_kmrn_reg(hw, E1000_KUMCTRLSTA_OFFSET_HD_CTRL,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2076
                                   reg_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2077
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2078
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2079
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2080
    /* Configure Transmit Inter-Packet Gap */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2081
    tipg = er32(TIPG);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2082
    tipg &= ~E1000_TIPG_IPGT_MASK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2083
    tipg |= DEFAULT_80003ES2LAN_TIPG_IPGT_10_100;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2084
    ew32(TIPG, tipg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2085
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2086
    ret_val = e1000_read_phy_reg(hw, GG82563_PHY_KMRN_MODE_CTRL, &reg_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2087
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2088
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2089
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2090
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2091
    if (duplex == HALF_DUPLEX)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2092
        reg_data |= GG82563_KMCR_PASS_FALSE_CARRIER;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2093
    else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2094
        reg_data &= ~GG82563_KMCR_PASS_FALSE_CARRIER;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2095
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2096
    ret_val = e1000_write_phy_reg(hw, GG82563_PHY_KMRN_MODE_CTRL, reg_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2097
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2098
    return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2099
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2100
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2101
static s32 e1000_configure_kmrn_for_1000(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2102
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2103
    s32 ret_val = E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2104
    u16 reg_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2105
    u32 tipg;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2106
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2107
    DEBUGFUNC("e1000_configure_kmrn_for_1000");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2108
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2109
    reg_data = E1000_KUMCTRLSTA_HD_CTRL_1000_DEFAULT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2110
    ret_val = e1000_write_kmrn_reg(hw, E1000_KUMCTRLSTA_OFFSET_HD_CTRL,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2111
                                   reg_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2112
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2113
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2114
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2115
    /* Configure Transmit Inter-Packet Gap */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2116
    tipg = er32(TIPG);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2117
    tipg &= ~E1000_TIPG_IPGT_MASK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2118
    tipg |= DEFAULT_80003ES2LAN_TIPG_IPGT_1000;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2119
    ew32(TIPG, tipg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2120
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2121
    ret_val = e1000_read_phy_reg(hw, GG82563_PHY_KMRN_MODE_CTRL, &reg_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2122
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2123
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2124
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2125
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2126
    reg_data &= ~GG82563_KMCR_PASS_FALSE_CARRIER;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2127
    ret_val = e1000_write_phy_reg(hw, GG82563_PHY_KMRN_MODE_CTRL, reg_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2128
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2129
    return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2130
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2131
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2132
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2133
* Configures PHY autoneg and flow control advertisement settings
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2134
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2135
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2136
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2137
s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2138
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2139
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2140
    u16 mii_autoneg_adv_reg;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2141
    u16 mii_1000t_ctrl_reg;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2142
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2143
    DEBUGFUNC("e1000_phy_setup_autoneg");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2144
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2145
    /* Read the MII Auto-Neg Advertisement Register (Address 4). */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2146
    ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2147
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2148
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2149
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2150
    if (hw->phy_type != e1000_phy_ife) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2151
        /* Read the MII 1000Base-T Control Register (Address 9). */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2152
        ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &mii_1000t_ctrl_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2153
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2154
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2155
    } else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2156
        mii_1000t_ctrl_reg=0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2157
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2158
    /* Need to parse both autoneg_advertised and fc and set up
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2159
     * the appropriate PHY registers.  First we will parse for
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2160
     * autoneg_advertised software override.  Since we can advertise
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2161
     * a plethora of combinations, we need to check each bit
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2162
     * individually.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2163
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2164
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2165
    /* First we clear all the 10/100 mb speed bits in the Auto-Neg
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2166
     * Advertisement Register (Address 4) and the 1000 mb speed bits in
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2167
     * the  1000Base-T Control Register (Address 9).
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2168
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2169
    mii_autoneg_adv_reg &= ~REG4_SPEED_MASK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2170
    mii_1000t_ctrl_reg &= ~REG9_SPEED_MASK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2171
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2172
    DEBUGOUT1("autoneg_advertised %x\n", hw->autoneg_advertised);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2173
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2174
    /* Do we want to advertise 10 Mb Half Duplex? */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2175
    if (hw->autoneg_advertised & ADVERTISE_10_HALF) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2176
        DEBUGOUT("Advertise 10mb Half duplex\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2177
        mii_autoneg_adv_reg |= NWAY_AR_10T_HD_CAPS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2178
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2179
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2180
    /* Do we want to advertise 10 Mb Full Duplex? */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2181
    if (hw->autoneg_advertised & ADVERTISE_10_FULL) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2182
        DEBUGOUT("Advertise 10mb Full duplex\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2183
        mii_autoneg_adv_reg |= NWAY_AR_10T_FD_CAPS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2184
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2185
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2186
    /* Do we want to advertise 100 Mb Half Duplex? */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2187
    if (hw->autoneg_advertised & ADVERTISE_100_HALF) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2188
        DEBUGOUT("Advertise 100mb Half duplex\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2189
        mii_autoneg_adv_reg |= NWAY_AR_100TX_HD_CAPS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2190
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2191
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2192
    /* Do we want to advertise 100 Mb Full Duplex? */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2193
    if (hw->autoneg_advertised & ADVERTISE_100_FULL) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2194
        DEBUGOUT("Advertise 100mb Full duplex\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2195
        mii_autoneg_adv_reg |= NWAY_AR_100TX_FD_CAPS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2196
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2197
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2198
    /* We do not allow the Phy to advertise 1000 Mb Half Duplex */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2199
    if (hw->autoneg_advertised & ADVERTISE_1000_HALF) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2200
        DEBUGOUT("Advertise 1000mb Half duplex requested, request denied!\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2201
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2202
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2203
    /* Do we want to advertise 1000 Mb Full Duplex? */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2204
    if (hw->autoneg_advertised & ADVERTISE_1000_FULL) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2205
        DEBUGOUT("Advertise 1000mb Full duplex\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2206
        mii_1000t_ctrl_reg |= CR_1000T_FD_CAPS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2207
        if (hw->phy_type == e1000_phy_ife) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2208
            DEBUGOUT("e1000_phy_ife is a 10/100 PHY. Gigabit speed is not supported.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2209
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2210
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2211
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2212
    /* Check for a software override of the flow control settings, and
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2213
     * setup the PHY advertisement registers accordingly.  If
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2214
     * auto-negotiation is enabled, then software will have to set the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2215
     * "PAUSE" bits to the correct value in the Auto-Negotiation
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2216
     * Advertisement Register (PHY_AUTONEG_ADV) and re-start auto-negotiation.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2217
     *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2218
     * The possible values of the "fc" parameter are:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2219
     *      0:  Flow control is completely disabled
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2220
     *      1:  Rx flow control is enabled (we can receive pause frames
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2221
     *          but not send pause frames).
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2222
     *      2:  Tx flow control is enabled (we can send pause frames
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2223
     *          but we do not support receiving pause frames).
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2224
     *      3:  Both Rx and TX flow control (symmetric) are enabled.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2225
     *  other:  No software override.  The flow control configuration
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2226
     *          in the EEPROM is used.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2227
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2228
    switch (hw->fc) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2229
    case E1000_FC_NONE: /* 0 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2230
        /* Flow control (RX & TX) is completely disabled by a
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2231
         * software over-ride.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2232
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2233
        mii_autoneg_adv_reg &= ~(NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2234
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2235
    case E1000_FC_RX_PAUSE: /* 1 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2236
        /* RX Flow control is enabled, and TX Flow control is
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2237
         * disabled, by a software over-ride.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2238
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2239
        /* Since there really isn't a way to advertise that we are
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2240
         * capable of RX Pause ONLY, we will advertise that we
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2241
         * support both symmetric and asymmetric RX PAUSE.  Later
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2242
         * (in e1000_config_fc_after_link_up) we will disable the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2243
         *hw's ability to send PAUSE frames.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2244
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2245
        mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2246
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2247
    case E1000_FC_TX_PAUSE: /* 2 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2248
        /* TX Flow control is enabled, and RX Flow control is
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2249
         * disabled, by a software over-ride.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2250
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2251
        mii_autoneg_adv_reg |= NWAY_AR_ASM_DIR;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2252
        mii_autoneg_adv_reg &= ~NWAY_AR_PAUSE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2253
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2254
    case E1000_FC_FULL: /* 3 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2255
        /* Flow control (both RX and TX) is enabled by a software
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2256
         * over-ride.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2257
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2258
        mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2259
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2260
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2261
        DEBUGOUT("Flow control param set incorrectly\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2262
        return -E1000_ERR_CONFIG;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2263
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2264
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2265
    ret_val = e1000_write_phy_reg(hw, PHY_AUTONEG_ADV, mii_autoneg_adv_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2266
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2267
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2268
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2269
    DEBUGOUT1("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2270
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2271
    if (hw->phy_type != e1000_phy_ife) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2272
        ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, mii_1000t_ctrl_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2273
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2274
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2275
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2276
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2277
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2278
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2279
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2280
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2281
* Force PHY speed and duplex settings to hw->forced_speed_duplex
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2282
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2283
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2284
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2285
static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2286
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2287
    u32 ctrl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2288
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2289
    u16 mii_ctrl_reg;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2290
    u16 mii_status_reg;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2291
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2292
    u16 i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2293
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2294
    DEBUGFUNC("e1000_phy_force_speed_duplex");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2295
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2296
    /* Turn off Flow control if we are forcing speed and duplex. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2297
    hw->fc = E1000_FC_NONE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2298
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2299
    DEBUGOUT1("hw->fc = %d\n", hw->fc);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2300
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2301
    /* Read the Device Control Register. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2302
    ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2303
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2304
    /* Set the bits to Force Speed and Duplex in the Device Ctrl Reg. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2305
    ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2306
    ctrl &= ~(DEVICE_SPEED_MASK);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2307
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2308
    /* Clear the Auto Speed Detect Enable bit. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2309
    ctrl &= ~E1000_CTRL_ASDE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2310
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2311
    /* Read the MII Control Register. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2312
    ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &mii_ctrl_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2313
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2314
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2315
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2316
    /* We need to disable autoneg in order to force link and duplex. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2317
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2318
    mii_ctrl_reg &= ~MII_CR_AUTO_NEG_EN;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2319
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2320
    /* Are we forcing Full or Half Duplex? */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2321
    if (hw->forced_speed_duplex == e1000_100_full ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2322
        hw->forced_speed_duplex == e1000_10_full) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2323
        /* We want to force full duplex so we SET the full duplex bits in the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2324
         * Device and MII Control Registers.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2325
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2326
        ctrl |= E1000_CTRL_FD;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2327
        mii_ctrl_reg |= MII_CR_FULL_DUPLEX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2328
        DEBUGOUT("Full Duplex\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2329
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2330
        /* We want to force half duplex so we CLEAR the full duplex bits in
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2331
         * the Device and MII Control Registers.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2332
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2333
        ctrl &= ~E1000_CTRL_FD;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2334
        mii_ctrl_reg &= ~MII_CR_FULL_DUPLEX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2335
        DEBUGOUT("Half Duplex\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2336
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2337
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2338
    /* Are we forcing 100Mbps??? */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2339
    if (hw->forced_speed_duplex == e1000_100_full ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2340
       hw->forced_speed_duplex == e1000_100_half) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2341
        /* Set the 100Mb bit and turn off the 1000Mb and 10Mb bits. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2342
        ctrl |= E1000_CTRL_SPD_100;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2343
        mii_ctrl_reg |= MII_CR_SPEED_100;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2344
        mii_ctrl_reg &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_10);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2345
        DEBUGOUT("Forcing 100mb ");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2346
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2347
        /* Set the 10Mb bit and turn off the 1000Mb and 100Mb bits. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2348
        ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2349
        mii_ctrl_reg |= MII_CR_SPEED_10;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2350
        mii_ctrl_reg &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_100);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2351
        DEBUGOUT("Forcing 10mb ");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2352
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2353
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2354
    e1000_config_collision_dist(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2355
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2356
    /* Write the configured values back to the Device Control Reg. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2357
    ew32(CTRL, ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2358
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2359
    if ((hw->phy_type == e1000_phy_m88) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2360
        (hw->phy_type == e1000_phy_gg82563)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2361
        ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2362
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2363
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2364
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2365
        /* Clear Auto-Crossover to force MDI manually. M88E1000 requires MDI
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2366
         * forced whenever speed are duplex are forced.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2367
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2368
        phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2369
        ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2370
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2371
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2372
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2373
        DEBUGOUT1("M88E1000 PSCR: %x \n", phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2374
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2375
        /* Need to reset the PHY or these changes will be ignored */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2376
        mii_ctrl_reg |= MII_CR_RESET;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2377
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2378
    /* Disable MDI-X support for 10/100 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2379
    } else if (hw->phy_type == e1000_phy_ife) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2380
        ret_val = e1000_read_phy_reg(hw, IFE_PHY_MDIX_CONTROL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2381
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2382
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2383
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2384
        phy_data &= ~IFE_PMC_AUTO_MDIX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2385
        phy_data &= ~IFE_PMC_FORCE_MDIX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2386
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2387
        ret_val = e1000_write_phy_reg(hw, IFE_PHY_MDIX_CONTROL, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2388
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2389
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2390
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2391
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2392
        /* Clear Auto-Crossover to force MDI manually.  IGP requires MDI
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2393
         * forced whenever speed or duplex are forced.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2394
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2395
        ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2396
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2397
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2398
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2399
        phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2400
        phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2401
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2402
        ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2403
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2404
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2405
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2406
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2407
    /* Write back the modified PHY MII control register. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2408
    ret_val = e1000_write_phy_reg(hw, PHY_CTRL, mii_ctrl_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2409
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2410
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2411
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2412
    udelay(1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2413
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2414
    /* The wait_autoneg_complete flag may be a little misleading here.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2415
     * Since we are forcing speed and duplex, Auto-Neg is not enabled.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2416
     * But we do want to delay for a period while forcing only so we
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2417
     * don't generate false No Link messages.  So we will wait here
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2418
     * only if the user has set wait_autoneg_complete to 1, which is
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2419
     * the default.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2420
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2421
    if (hw->wait_autoneg_complete) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2422
        /* We will wait for autoneg to complete. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2423
        DEBUGOUT("Waiting for forced speed/duplex link.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2424
        mii_status_reg = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2425
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2426
        /* We will wait for autoneg to complete or 4.5 seconds to expire. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2427
        for (i = PHY_FORCE_TIME; i > 0; i--) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2428
            /* Read the MII Status Register and wait for Auto-Neg Complete bit
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2429
             * to be set.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2430
             */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2431
            ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2432
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2433
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2434
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2435
            ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2436
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2437
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2438
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2439
            if (mii_status_reg & MII_SR_LINK_STATUS) break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2440
            msleep(100);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2441
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2442
        if ((i == 0) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2443
           ((hw->phy_type == e1000_phy_m88) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2444
            (hw->phy_type == e1000_phy_gg82563))) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2445
            /* We didn't get link.  Reset the DSP and wait again for link. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2446
            ret_val = e1000_phy_reset_dsp(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2447
            if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2448
                DEBUGOUT("Error Resetting PHY DSP\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2449
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2450
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2451
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2452
        /* This loop will early-out if the link condition has been met.  */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2453
        for (i = PHY_FORCE_TIME; i > 0; i--) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2454
            if (mii_status_reg & MII_SR_LINK_STATUS) break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2455
            msleep(100);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2456
            /* Read the MII Status Register and wait for Auto-Neg Complete bit
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2457
             * to be set.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2458
             */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2459
            ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2460
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2461
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2462
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2463
            ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2464
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2465
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2466
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2467
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2468
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2469
    if (hw->phy_type == e1000_phy_m88) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2470
        /* Because we reset the PHY above, we need to re-force TX_CLK in the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2471
         * Extended PHY Specific Control Register to 25MHz clock.  This value
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2472
         * defaults back to a 2.5MHz clock when the PHY is reset.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2473
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2474
        ret_val = e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2475
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2476
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2477
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2478
        phy_data |= M88E1000_EPSCR_TX_CLK_25;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2479
        ret_val = e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2480
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2481
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2482
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2483
        /* In addition, because of the s/w reset above, we need to enable CRS on
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2484
         * TX.  This must be set for both full and half duplex operation.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2485
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2486
        ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2487
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2488
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2489
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2490
        phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2491
        ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2492
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2493
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2494
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2495
        if ((hw->mac_type == e1000_82544 || hw->mac_type == e1000_82543) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2496
            (!hw->autoneg) && (hw->forced_speed_duplex == e1000_10_full ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2497
             hw->forced_speed_duplex == e1000_10_half)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2498
            ret_val = e1000_polarity_reversal_workaround(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2499
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2500
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2501
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2502
    } else if (hw->phy_type == e1000_phy_gg82563) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2503
        /* The TX_CLK of the Extended PHY Specific Control Register defaults
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2504
         * to 2.5MHz on a reset.  We need to re-force it back to 25MHz, if
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2505
         * we're not in a forced 10/duplex configuration. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2506
        ret_val = e1000_read_phy_reg(hw, GG82563_PHY_MAC_SPEC_CTRL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2507
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2508
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2509
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2510
        phy_data &= ~GG82563_MSCR_TX_CLK_MASK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2511
        if ((hw->forced_speed_duplex == e1000_10_full) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2512
            (hw->forced_speed_duplex == e1000_10_half))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2513
            phy_data |= GG82563_MSCR_TX_CLK_10MBPS_2_5MHZ;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2514
        else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2515
            phy_data |= GG82563_MSCR_TX_CLK_100MBPS_25MHZ;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2516
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2517
        /* Also due to the reset, we need to enable CRS on Tx. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2518
        phy_data |= GG82563_MSCR_ASSERT_CRS_ON_TX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2519
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2520
        ret_val = e1000_write_phy_reg(hw, GG82563_PHY_MAC_SPEC_CTRL, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2521
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2522
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2523
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2524
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2525
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2526
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2527
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2528
* Sets the collision distance in the Transmit Control register
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2529
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2530
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2531
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2532
* Link should have been established previously. Reads the speed and duplex
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2533
* information from the Device Status register.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2534
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2535
void e1000_config_collision_dist(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2536
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2537
    u32 tctl, coll_dist;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2538
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2539
    DEBUGFUNC("e1000_config_collision_dist");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2540
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2541
    if (hw->mac_type < e1000_82543)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2542
        coll_dist = E1000_COLLISION_DISTANCE_82542;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2543
    else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2544
        coll_dist = E1000_COLLISION_DISTANCE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2545
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2546
    tctl = er32(TCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2547
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2548
    tctl &= ~E1000_TCTL_COLD;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2549
    tctl |= coll_dist << E1000_COLD_SHIFT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2550
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2551
    ew32(TCTL, tctl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2552
    E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2553
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2554
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2555
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2556
* Sets MAC speed and duplex settings to reflect the those in the PHY
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2557
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2558
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2559
* mii_reg - data to write to the MII control register
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2560
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2561
* The contents of the PHY register containing the needed information need to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2562
* be passed in.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2563
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2564
static s32 e1000_config_mac_to_phy(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2565
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2566
    u32 ctrl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2567
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2568
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2569
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2570
    DEBUGFUNC("e1000_config_mac_to_phy");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2571
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2572
    /* 82544 or newer MAC, Auto Speed Detection takes care of
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2573
    * MAC speed/duplex configuration.*/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2574
    if (hw->mac_type >= e1000_82544)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2575
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2576
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2577
    /* Read the Device Control Register and set the bits to Force Speed
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2578
     * and Duplex.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2579
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2580
    ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2581
    ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2582
    ctrl &= ~(E1000_CTRL_SPD_SEL | E1000_CTRL_ILOS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2583
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2584
    /* Set up duplex in the Device Control and Transmit Control
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2585
     * registers depending on negotiated values.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2586
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2587
    ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2588
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2589
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2590
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2591
    if (phy_data & M88E1000_PSSR_DPLX)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2592
        ctrl |= E1000_CTRL_FD;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2593
    else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2594
        ctrl &= ~E1000_CTRL_FD;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2595
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2596
    e1000_config_collision_dist(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2597
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2598
    /* Set up speed in the Device Control register depending on
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2599
     * negotiated values.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2600
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2601
    if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2602
        ctrl |= E1000_CTRL_SPD_1000;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2603
    else if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_100MBS)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2604
        ctrl |= E1000_CTRL_SPD_100;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2605
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2606
    /* Write the configured values back to the Device Control Reg. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2607
    ew32(CTRL, ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2608
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2609
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2610
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2611
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2612
 * Forces the MAC's flow control settings.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2613
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2614
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2615
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2616
 * Sets the TFCE and RFCE bits in the device control register to reflect
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2617
 * the adapter settings. TFCE and RFCE need to be explicitly set by
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2618
 * software when a Copper PHY is used because autonegotiation is managed
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2619
 * by the PHY rather than the MAC. Software must also configure these
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2620
 * bits when link is forced on a fiber connection.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2621
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2622
s32 e1000_force_mac_fc(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2623
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2624
    u32 ctrl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2625
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2626
    DEBUGFUNC("e1000_force_mac_fc");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2627
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2628
    /* Get the current configuration of the Device Control Register */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2629
    ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2630
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2631
    /* Because we didn't get link via the internal auto-negotiation
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2632
     * mechanism (we either forced link or we got link via PHY
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2633
     * auto-neg), we have to manually enable/disable transmit an
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2634
     * receive flow control.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2635
     *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2636
     * The "Case" statement below enables/disable flow control
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2637
     * according to the "hw->fc" parameter.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2638
     *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2639
     * The possible values of the "fc" parameter are:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2640
     *      0:  Flow control is completely disabled
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2641
     *      1:  Rx flow control is enabled (we can receive pause
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2642
     *          frames but not send pause frames).
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2643
     *      2:  Tx flow control is enabled (we can send pause frames
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2644
     *          frames but we do not receive pause frames).
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2645
     *      3:  Both Rx and TX flow control (symmetric) is enabled.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2646
     *  other:  No other values should be possible at this point.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2647
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2648
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2649
    switch (hw->fc) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2650
    case E1000_FC_NONE:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2651
        ctrl &= (~(E1000_CTRL_TFCE | E1000_CTRL_RFCE));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2652
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2653
    case E1000_FC_RX_PAUSE:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2654
        ctrl &= (~E1000_CTRL_TFCE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2655
        ctrl |= E1000_CTRL_RFCE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2656
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2657
    case E1000_FC_TX_PAUSE:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2658
        ctrl &= (~E1000_CTRL_RFCE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2659
        ctrl |= E1000_CTRL_TFCE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2660
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2661
    case E1000_FC_FULL:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2662
        ctrl |= (E1000_CTRL_TFCE | E1000_CTRL_RFCE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2663
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2664
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2665
        DEBUGOUT("Flow control param set incorrectly\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2666
        return -E1000_ERR_CONFIG;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2667
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2668
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2669
    /* Disable TX Flow Control for 82542 (rev 2.0) */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2670
    if (hw->mac_type == e1000_82542_rev2_0)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2671
        ctrl &= (~E1000_CTRL_TFCE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2672
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2673
    ew32(CTRL, ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2674
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2675
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2676
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2677
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2678
 * Configures flow control settings after link is established
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2679
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2680
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2681
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2682
 * Should be called immediately after a valid link has been established.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2683
 * Forces MAC flow control settings if link was forced. When in MII/GMII mode
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2684
 * and autonegotiation is enabled, the MAC flow control settings will be set
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2685
 * based on the flow control negotiated by the PHY. In TBI mode, the TFCE
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2686
 * and RFCE bits will be automaticaly set to the negotiated flow control mode.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2687
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2688
static s32 e1000_config_fc_after_link_up(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2689
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2690
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2691
    u16 mii_status_reg;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2692
    u16 mii_nway_adv_reg;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2693
    u16 mii_nway_lp_ability_reg;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2694
    u16 speed;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2695
    u16 duplex;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2696
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2697
    DEBUGFUNC("e1000_config_fc_after_link_up");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2698
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2699
    /* Check for the case where we have fiber media and auto-neg failed
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2700
     * so we had to force link.  In this case, we need to force the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2701
     * configuration of the MAC to match the "fc" parameter.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2702
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2703
    if (((hw->media_type == e1000_media_type_fiber) && (hw->autoneg_failed)) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2704
        ((hw->media_type == e1000_media_type_internal_serdes) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2705
         (hw->autoneg_failed)) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2706
        ((hw->media_type == e1000_media_type_copper) && (!hw->autoneg))) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2707
        ret_val = e1000_force_mac_fc(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2708
        if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2709
            DEBUGOUT("Error forcing flow control settings\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2710
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2711
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2712
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2713
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2714
    /* Check for the case where we have copper media and auto-neg is
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2715
     * enabled.  In this case, we need to check and see if Auto-Neg
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2716
     * has completed, and if so, how the PHY and link partner has
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2717
     * flow control configured.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2718
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2719
    if ((hw->media_type == e1000_media_type_copper) && hw->autoneg) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2720
        /* Read the MII Status Register and check to see if AutoNeg
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2721
         * has completed.  We read this twice because this reg has
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2722
         * some "sticky" (latched) bits.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2723
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2724
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2725
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2726
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2727
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2728
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2729
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2730
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2731
        if (mii_status_reg & MII_SR_AUTONEG_COMPLETE) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2732
            /* The AutoNeg process has completed, so we now need to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2733
             * read both the Auto Negotiation Advertisement Register
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2734
             * (Address 4) and the Auto_Negotiation Base Page Ability
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2735
             * Register (Address 5) to determine how flow control was
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2736
             * negotiated.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2737
             */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2738
            ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_ADV,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2739
                                         &mii_nway_adv_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2740
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2741
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2742
            ret_val = e1000_read_phy_reg(hw, PHY_LP_ABILITY,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2743
                                         &mii_nway_lp_ability_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2744
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2745
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2746
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2747
            /* Two bits in the Auto Negotiation Advertisement Register
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2748
             * (Address 4) and two bits in the Auto Negotiation Base
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2749
             * Page Ability Register (Address 5) determine flow control
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2750
             * for both the PHY and the link partner.  The following
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2751
             * table, taken out of the IEEE 802.3ab/D6.0 dated March 25,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2752
             * 1999, describes these PAUSE resolution bits and how flow
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2753
             * control is determined based upon these settings.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2754
             * NOTE:  DC = Don't Care
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2755
             *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2756
             *   LOCAL DEVICE  |   LINK PARTNER
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2757
             * PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2758
             *-------|---------|-------|---------|--------------------
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2759
             *   0   |    0    |  DC   |   DC    | E1000_FC_NONE
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2760
             *   0   |    1    |   0   |   DC    | E1000_FC_NONE
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2761
             *   0   |    1    |   1   |    0    | E1000_FC_NONE
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2762
             *   0   |    1    |   1   |    1    | E1000_FC_TX_PAUSE
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2763
             *   1   |    0    |   0   |   DC    | E1000_FC_NONE
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2764
             *   1   |   DC    |   1   |   DC    | E1000_FC_FULL
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2765
             *   1   |    1    |   0   |    0    | E1000_FC_NONE
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2766
             *   1   |    1    |   0   |    1    | E1000_FC_RX_PAUSE
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2767
             *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2768
             */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2769
            /* Are both PAUSE bits set to 1?  If so, this implies
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2770
             * Symmetric Flow Control is enabled at both ends.  The
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2771
             * ASM_DIR bits are irrelevant per the spec.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2772
             *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2773
             * For Symmetric Flow Control:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2774
             *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2775
             *   LOCAL DEVICE  |   LINK PARTNER
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2776
             * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2777
             *-------|---------|-------|---------|--------------------
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2778
             *   1   |   DC    |   1   |   DC    | E1000_FC_FULL
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2779
             *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2780
             */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2781
            if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2782
                (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2783
                /* Now we need to check if the user selected RX ONLY
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2784
                 * of pause frames.  In this case, we had to advertise
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2785
                 * FULL flow control because we could not advertise RX
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2786
                 * ONLY. Hence, we must now check to see if we need to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2787
                 * turn OFF  the TRANSMISSION of PAUSE frames.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2788
                 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2789
                if (hw->original_fc == E1000_FC_FULL) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2790
                    hw->fc = E1000_FC_FULL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2791
                    DEBUGOUT("Flow Control = FULL.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2792
                } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2793
                    hw->fc = E1000_FC_RX_PAUSE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2794
                    DEBUGOUT("Flow Control = RX PAUSE frames only.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2795
                }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2796
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2797
            /* For receiving PAUSE frames ONLY.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2798
             *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2799
             *   LOCAL DEVICE  |   LINK PARTNER
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2800
             * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2801
             *-------|---------|-------|---------|--------------------
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2802
             *   0   |    1    |   1   |    1    | E1000_FC_TX_PAUSE
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2803
             *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2804
             */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2805
            else if (!(mii_nway_adv_reg & NWAY_AR_PAUSE) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2806
                     (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2807
                     (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2808
                     (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2809
                hw->fc = E1000_FC_TX_PAUSE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2810
                DEBUGOUT("Flow Control = TX PAUSE frames only.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2811
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2812
            /* For transmitting PAUSE frames ONLY.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2813
             *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2814
             *   LOCAL DEVICE  |   LINK PARTNER
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2815
             * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2816
             *-------|---------|-------|---------|--------------------
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2817
             *   1   |    1    |   0   |    1    | E1000_FC_RX_PAUSE
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2818
             *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2819
             */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2820
            else if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2821
                     (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2822
                     !(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2823
                     (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2824
                hw->fc = E1000_FC_RX_PAUSE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2825
                DEBUGOUT("Flow Control = RX PAUSE frames only.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2826
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2827
            /* Per the IEEE spec, at this point flow control should be
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2828
             * disabled.  However, we want to consider that we could
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2829
             * be connected to a legacy switch that doesn't advertise
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2830
             * desired flow control, but can be forced on the link
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2831
             * partner.  So if we advertised no flow control, that is
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2832
             * what we will resolve to.  If we advertised some kind of
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2833
             * receive capability (Rx Pause Only or Full Flow Control)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2834
             * and the link partner advertised none, we will configure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2835
             * ourselves to enable Rx Flow Control only.  We can do
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2836
             * this safely for two reasons:  If the link partner really
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2837
             * didn't want flow control enabled, and we enable Rx, no
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2838
             * harm done since we won't be receiving any PAUSE frames
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2839
             * anyway.  If the intent on the link partner was to have
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2840
             * flow control enabled, then by us enabling RX only, we
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2841
             * can at least receive pause frames and process them.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2842
             * This is a good idea because in most cases, since we are
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2843
             * predominantly a server NIC, more times than not we will
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2844
             * be asked to delay transmission of packets than asking
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2845
             * our link partner to pause transmission of frames.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2846
             */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2847
            else if ((hw->original_fc == E1000_FC_NONE ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2848
                      hw->original_fc == E1000_FC_TX_PAUSE) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2849
                      hw->fc_strict_ieee) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2850
                hw->fc = E1000_FC_NONE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2851
                DEBUGOUT("Flow Control = NONE.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2852
            } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2853
                hw->fc = E1000_FC_RX_PAUSE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2854
                DEBUGOUT("Flow Control = RX PAUSE frames only.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2855
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2856
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2857
            /* Now we need to do one last check...  If we auto-
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2858
             * negotiated to HALF DUPLEX, flow control should not be
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2859
             * enabled per IEEE 802.3 spec.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2860
             */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2861
            ret_val = e1000_get_speed_and_duplex(hw, &speed, &duplex);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2862
            if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2863
                DEBUGOUT("Error getting link speed and duplex\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2864
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2865
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2866
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2867
            if (duplex == HALF_DUPLEX)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2868
                hw->fc = E1000_FC_NONE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2869
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2870
            /* Now we call a subroutine to actually force the MAC
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2871
             * controller to use the correct flow control settings.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2872
             */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2873
            ret_val = e1000_force_mac_fc(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2874
            if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2875
                DEBUGOUT("Error forcing flow control settings\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2876
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2877
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2878
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2879
            DEBUGOUT("Copper PHY and Auto Neg has not completed.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2880
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2881
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2882
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2883
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2884
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2885
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2886
 * Checks to see if the link status of the hardware has changed.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2887
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2888
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2889
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2890
 * Called by any function that needs to check the link status of the adapter.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2891
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2892
s32 e1000_check_for_link(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2893
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2894
    u32 rxcw = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2895
    u32 ctrl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2896
    u32 status;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2897
    u32 rctl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2898
    u32 icr;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2899
    u32 signal = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2900
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2901
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2902
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2903
    DEBUGFUNC("e1000_check_for_link");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2904
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2905
    ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2906
    status = er32(STATUS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2907
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2908
    /* On adapters with a MAC newer than 82544, SW Defineable pin 1 will be
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2909
     * set when the optics detect a signal. On older adapters, it will be
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2910
     * cleared when there is a signal.  This applies to fiber media only.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2911
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2912
    if ((hw->media_type == e1000_media_type_fiber) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2913
        (hw->media_type == e1000_media_type_internal_serdes)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2914
        rxcw = er32(RXCW);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2915
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2916
        if (hw->media_type == e1000_media_type_fiber) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2917
            signal = (hw->mac_type > e1000_82544) ? E1000_CTRL_SWDPIN1 : 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2918
            if (status & E1000_STATUS_LU)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2919
                hw->get_link_status = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2920
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2921
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2922
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2923
    /* If we have a copper PHY then we only want to go out to the PHY
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2924
     * registers to see if Auto-Neg has completed and/or if our link
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2925
     * status has changed.  The get_link_status flag will be set if we
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2926
     * receive a Link Status Change interrupt or we have Rx Sequence
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2927
     * Errors.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2928
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2929
    if ((hw->media_type == e1000_media_type_copper) && hw->get_link_status) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2930
        /* First we want to see if the MII Status Register reports
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2931
         * link.  If so, then we want to get the current speed/duplex
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2932
         * of the PHY.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2933
         * Read the register twice since the link bit is sticky.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2934
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2935
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2936
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2937
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2938
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2939
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2940
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2941
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2942
        if (phy_data & MII_SR_LINK_STATUS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2943
            hw->get_link_status = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2944
            /* Check if there was DownShift, must be checked immediately after
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2945
             * link-up */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2946
            e1000_check_downshift(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2947
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2948
            /* If we are on 82544 or 82543 silicon and speed/duplex
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2949
             * are forced to 10H or 10F, then we will implement the polarity
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2950
             * reversal workaround.  We disable interrupts first, and upon
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2951
             * returning, place the devices interrupt state to its previous
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2952
             * value except for the link status change interrupt which will
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2953
             * happen due to the execution of this workaround.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2954
             */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2955
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2956
            if ((hw->mac_type == e1000_82544 || hw->mac_type == e1000_82543) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2957
                (!hw->autoneg) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2958
                (hw->forced_speed_duplex == e1000_10_full ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2959
                 hw->forced_speed_duplex == e1000_10_half)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2960
                ew32(IMC, 0xffffffff);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2961
                ret_val = e1000_polarity_reversal_workaround(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2962
                icr = er32(ICR);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2963
                ew32(ICS, (icr & ~E1000_ICS_LSC));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2964
                ew32(IMS, IMS_ENABLE_MASK);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2965
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2966
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2967
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2968
            /* No link detected */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2969
            e1000_config_dsp_after_link_change(hw, false);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2970
            return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2971
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2972
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2973
        /* If we are forcing speed/duplex, then we simply return since
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2974
         * we have already determined whether we have link or not.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2975
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2976
        if (!hw->autoneg) return -E1000_ERR_CONFIG;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2977
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2978
        /* optimize the dsp settings for the igp phy */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2979
        e1000_config_dsp_after_link_change(hw, true);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2980
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2981
        /* We have a M88E1000 PHY and Auto-Neg is enabled.  If we
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2982
         * have Si on board that is 82544 or newer, Auto
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2983
         * Speed Detection takes care of MAC speed/duplex
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2984
         * configuration.  So we only need to configure Collision
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2985
         * Distance in the MAC.  Otherwise, we need to force
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2986
         * speed/duplex on the MAC to the current PHY speed/duplex
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2987
         * settings.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2988
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2989
        if (hw->mac_type >= e1000_82544)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2990
            e1000_config_collision_dist(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2991
        else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2992
            ret_val = e1000_config_mac_to_phy(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2993
            if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2994
                DEBUGOUT("Error configuring MAC to PHY settings\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2995
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2996
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2997
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2998
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2999
        /* Configure Flow Control now that Auto-Neg has completed. First, we
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3000
         * need to restore the desired flow control settings because we may
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3001
         * have had to re-autoneg with a different link partner.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3002
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3003
        ret_val = e1000_config_fc_after_link_up(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3004
        if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3005
            DEBUGOUT("Error configuring flow control\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3006
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3007
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3008
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3009
        /* At this point we know that we are on copper and we have
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3010
         * auto-negotiated link.  These are conditions for checking the link
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3011
         * partner capability register.  We use the link speed to determine if
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3012
         * TBI compatibility needs to be turned on or off.  If the link is not
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3013
         * at gigabit speed, then TBI compatibility is not needed.  If we are
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3014
         * at gigabit speed, we turn on TBI compatibility.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3015
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3016
        if (hw->tbi_compatibility_en) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3017
            u16 speed, duplex;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3018
            ret_val = e1000_get_speed_and_duplex(hw, &speed, &duplex);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3019
            if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3020
                DEBUGOUT("Error getting link speed and duplex\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3021
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3022
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3023
            if (speed != SPEED_1000) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3024
                /* If link speed is not set to gigabit speed, we do not need
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3025
                 * to enable TBI compatibility.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3026
                 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3027
                if (hw->tbi_compatibility_on) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3028
                    /* If we previously were in the mode, turn it off. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3029
                    rctl = er32(RCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3030
                    rctl &= ~E1000_RCTL_SBP;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3031
                    ew32(RCTL, rctl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3032
                    hw->tbi_compatibility_on = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3033
                }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3034
            } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3035
                /* If TBI compatibility is was previously off, turn it on. For
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3036
                 * compatibility with a TBI link partner, we will store bad
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3037
                 * packets. Some frames have an additional byte on the end and
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3038
                 * will look like CRC errors to to the hardware.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3039
                 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3040
                if (!hw->tbi_compatibility_on) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3041
                    hw->tbi_compatibility_on = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3042
                    rctl = er32(RCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3043
                    rctl |= E1000_RCTL_SBP;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3044
                    ew32(RCTL, rctl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3045
                }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3046
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3047
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3048
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3049
    /* If we don't have link (auto-negotiation failed or link partner cannot
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3050
     * auto-negotiate), the cable is plugged in (we have signal), and our
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3051
     * link partner is not trying to auto-negotiate with us (we are receiving
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3052
     * idles or data), we need to force link up. We also need to give
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3053
     * auto-negotiation time to complete, in case the cable was just plugged
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3054
     * in. The autoneg_failed flag does this.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3055
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3056
    else if ((((hw->media_type == e1000_media_type_fiber) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3057
              ((ctrl & E1000_CTRL_SWDPIN1) == signal)) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3058
              (hw->media_type == e1000_media_type_internal_serdes)) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3059
              (!(status & E1000_STATUS_LU)) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3060
              (!(rxcw & E1000_RXCW_C))) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3061
        if (hw->autoneg_failed == 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3062
            hw->autoneg_failed = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3063
            return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3064
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3065
        DEBUGOUT("NOT RXing /C/, disable AutoNeg and force link.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3066
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3067
        /* Disable auto-negotiation in the TXCW register */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3068
        ew32(TXCW, (hw->txcw & ~E1000_TXCW_ANE));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3069
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3070
        /* Force link-up and also force full-duplex. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3071
        ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3072
        ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3073
        ew32(CTRL, ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3074
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3075
        /* Configure Flow Control after forcing link up. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3076
        ret_val = e1000_config_fc_after_link_up(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3077
        if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3078
            DEBUGOUT("Error configuring flow control\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3079
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3080
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3081
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3082
    /* If we are forcing link and we are receiving /C/ ordered sets, re-enable
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3083
     * auto-negotiation in the TXCW register and disable forced link in the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3084
     * Device Control register in an attempt to auto-negotiate with our link
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3085
     * partner.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3086
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3087
    else if (((hw->media_type == e1000_media_type_fiber) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3088
              (hw->media_type == e1000_media_type_internal_serdes)) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3089
              (ctrl & E1000_CTRL_SLU) && (rxcw & E1000_RXCW_C)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3090
        DEBUGOUT("RXing /C/, enable AutoNeg and stop forcing link.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3091
        ew32(TXCW, hw->txcw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3092
        ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3093
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3094
        hw->serdes_link_down = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3095
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3096
    /* If we force link for non-auto-negotiation switch, check link status
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3097
     * based on MAC synchronization for internal serdes media type.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3098
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3099
    else if ((hw->media_type == e1000_media_type_internal_serdes) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3100
             !(E1000_TXCW_ANE & er32(TXCW))) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3101
        /* SYNCH bit and IV bit are sticky. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3102
        udelay(10);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3103
        if (E1000_RXCW_SYNCH & er32(RXCW)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3104
            if (!(rxcw & E1000_RXCW_IV)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3105
                hw->serdes_link_down = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3106
                DEBUGOUT("SERDES: Link is up.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3107
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3108
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3109
            hw->serdes_link_down = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3110
            DEBUGOUT("SERDES: Link is down.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3111
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3112
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3113
    if ((hw->media_type == e1000_media_type_internal_serdes) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3114
        (E1000_TXCW_ANE & er32(TXCW))) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3115
        hw->serdes_link_down = !(E1000_STATUS_LU & er32(STATUS));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3116
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3117
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3118
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3119
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3120
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3121
 * Detects the current speed and duplex settings of the hardware.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3122
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3123
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3124
 * speed - Speed of the connection
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3125
 * duplex - Duplex setting of the connection
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3126
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3127
s32 e1000_get_speed_and_duplex(struct e1000_hw *hw, u16 *speed, u16 *duplex)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3128
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3129
    u32 status;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3130
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3131
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3132
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3133
    DEBUGFUNC("e1000_get_speed_and_duplex");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3134
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3135
    if (hw->mac_type >= e1000_82543) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3136
        status = er32(STATUS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3137
        if (status & E1000_STATUS_SPEED_1000) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3138
            *speed = SPEED_1000;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3139
            DEBUGOUT("1000 Mbs, ");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3140
        } else if (status & E1000_STATUS_SPEED_100) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3141
            *speed = SPEED_100;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3142
            DEBUGOUT("100 Mbs, ");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3143
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3144
            *speed = SPEED_10;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3145
            DEBUGOUT("10 Mbs, ");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3146
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3147
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3148
        if (status & E1000_STATUS_FD) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3149
            *duplex = FULL_DUPLEX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3150
            DEBUGOUT("Full Duplex\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3151
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3152
            *duplex = HALF_DUPLEX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3153
            DEBUGOUT(" Half Duplex\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3154
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3155
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3156
        DEBUGOUT("1000 Mbs, Full Duplex\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3157
        *speed = SPEED_1000;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3158
        *duplex = FULL_DUPLEX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3159
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3160
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3161
    /* IGP01 PHY may advertise full duplex operation after speed downgrade even
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3162
     * if it is operating at half duplex.  Here we set the duplex settings to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3163
     * match the duplex in the link partner's capabilities.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3164
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3165
    if (hw->phy_type == e1000_phy_igp && hw->speed_downgraded) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3166
        ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_EXP, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3167
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3168
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3169
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3170
        if (!(phy_data & NWAY_ER_LP_NWAY_CAPS))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3171
            *duplex = HALF_DUPLEX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3172
        else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3173
            ret_val = e1000_read_phy_reg(hw, PHY_LP_ABILITY, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3174
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3175
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3176
            if ((*speed == SPEED_100 && !(phy_data & NWAY_LPAR_100TX_FD_CAPS)) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3177
               (*speed == SPEED_10 && !(phy_data & NWAY_LPAR_10T_FD_CAPS)))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3178
                *duplex = HALF_DUPLEX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3179
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3180
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3181
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3182
    if ((hw->mac_type == e1000_80003es2lan) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3183
        (hw->media_type == e1000_media_type_copper)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3184
        if (*speed == SPEED_1000)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3185
            ret_val = e1000_configure_kmrn_for_1000(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3186
        else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3187
            ret_val = e1000_configure_kmrn_for_10_100(hw, *duplex);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3188
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3189
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3190
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3191
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3192
    if ((hw->phy_type == e1000_phy_igp_3) && (*speed == SPEED_1000)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3193
        ret_val = e1000_kumeran_lock_loss_workaround(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3194
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3195
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3196
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3197
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3198
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3199
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3200
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3201
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3202
* Blocks until autoneg completes or times out (~4.5 seconds)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3203
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3204
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3205
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3206
static s32 e1000_wait_autoneg(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3207
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3208
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3209
    u16 i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3210
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3211
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3212
    DEBUGFUNC("e1000_wait_autoneg");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3213
    DEBUGOUT("Waiting for Auto-Neg to complete.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3214
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3215
    /* We will wait for autoneg to complete or 4.5 seconds to expire. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3216
    for (i = PHY_AUTO_NEG_TIME; i > 0; i--) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3217
        /* Read the MII Status Register and wait for Auto-Neg
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3218
         * Complete bit to be set.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3219
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3220
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3221
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3222
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3223
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3224
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3225
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3226
        if (phy_data & MII_SR_AUTONEG_COMPLETE) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3227
            return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3228
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3229
        msleep(100);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3230
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3231
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3232
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3233
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3234
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3235
* Raises the Management Data Clock
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3236
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3237
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3238
* ctrl - Device control register's current value
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3239
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3240
static void e1000_raise_mdi_clk(struct e1000_hw *hw, u32 *ctrl)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3241
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3242
    /* Raise the clock input to the Management Data Clock (by setting the MDC
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3243
     * bit), and then delay 10 microseconds.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3244
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3245
    ew32(CTRL, (*ctrl | E1000_CTRL_MDC));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3246
    E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3247
    udelay(10);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3248
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3249
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3250
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3251
* Lowers the Management Data Clock
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3252
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3253
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3254
* ctrl - Device control register's current value
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3255
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3256
static void e1000_lower_mdi_clk(struct e1000_hw *hw, u32 *ctrl)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3257
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3258
    /* Lower the clock input to the Management Data Clock (by clearing the MDC
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3259
     * bit), and then delay 10 microseconds.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3260
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3261
    ew32(CTRL, (*ctrl & ~E1000_CTRL_MDC));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3262
    E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3263
    udelay(10);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3264
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3265
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3266
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3267
* Shifts data bits out to the PHY
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3268
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3269
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3270
* data - Data to send out to the PHY
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3271
* count - Number of bits to shift out
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3272
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3273
* Bits are shifted out in MSB to LSB order.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3274
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3275
static void e1000_shift_out_mdi_bits(struct e1000_hw *hw, u32 data, u16 count)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3276
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3277
    u32 ctrl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3278
    u32 mask;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3279
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3280
    /* We need to shift "count" number of bits out to the PHY. So, the value
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3281
     * in the "data" parameter will be shifted out to the PHY one bit at a
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3282
     * time. In order to do this, "data" must be broken down into bits.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3283
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3284
    mask = 0x01;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3285
    mask <<= (count - 1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3286
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3287
    ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3288
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3289
    /* Set MDIO_DIR and MDC_DIR direction bits to be used as output pins. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3290
    ctrl |= (E1000_CTRL_MDIO_DIR | E1000_CTRL_MDC_DIR);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3291
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3292
    while (mask) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3293
        /* A "1" is shifted out to the PHY by setting the MDIO bit to "1" and
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3294
         * then raising and lowering the Management Data Clock. A "0" is
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3295
         * shifted out to the PHY by setting the MDIO bit to "0" and then
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3296
         * raising and lowering the clock.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3297
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3298
        if (data & mask)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3299
            ctrl |= E1000_CTRL_MDIO;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3300
        else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3301
            ctrl &= ~E1000_CTRL_MDIO;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3302
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3303
        ew32(CTRL, ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3304
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3305
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3306
        udelay(10);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3307
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3308
        e1000_raise_mdi_clk(hw, &ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3309
        e1000_lower_mdi_clk(hw, &ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3310
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3311
        mask = mask >> 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3312
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3313
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3314
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3315
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3316
* Shifts data bits in from the PHY
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3317
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3318
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3319
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3320
* Bits are shifted in in MSB to LSB order.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3321
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3322
static u16 e1000_shift_in_mdi_bits(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3323
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3324
    u32 ctrl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3325
    u16 data = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3326
    u8 i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3327
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3328
    /* In order to read a register from the PHY, we need to shift in a total
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3329
     * of 18 bits from the PHY. The first two bit (turnaround) times are used
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3330
     * to avoid contention on the MDIO pin when a read operation is performed.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3331
     * These two bits are ignored by us and thrown away. Bits are "shifted in"
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3332
     * by raising the input to the Management Data Clock (setting the MDC bit),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3333
     * and then reading the value of the MDIO bit.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3334
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3335
    ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3336
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3337
    /* Clear MDIO_DIR (SWDPIO1) to indicate this bit is to be used as input. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3338
    ctrl &= ~E1000_CTRL_MDIO_DIR;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3339
    ctrl &= ~E1000_CTRL_MDIO;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3340
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3341
    ew32(CTRL, ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3342
    E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3343
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3344
    /* Raise and Lower the clock before reading in the data. This accounts for
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3345
     * the turnaround bits. The first clock occurred when we clocked out the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3346
     * last bit of the Register Address.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3347
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3348
    e1000_raise_mdi_clk(hw, &ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3349
    e1000_lower_mdi_clk(hw, &ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3350
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3351
    for (data = 0, i = 0; i < 16; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3352
        data = data << 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3353
        e1000_raise_mdi_clk(hw, &ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3354
        ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3355
        /* Check to see if we shifted in a "1". */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3356
        if (ctrl & E1000_CTRL_MDIO)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3357
            data |= 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3358
        e1000_lower_mdi_clk(hw, &ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3359
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3360
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3361
    e1000_raise_mdi_clk(hw, &ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3362
    e1000_lower_mdi_clk(hw, &ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3363
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3364
    return data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3365
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3366
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3367
static s32 e1000_swfw_sync_acquire(struct e1000_hw *hw, u16 mask)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3368
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3369
    u32 swfw_sync = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3370
    u32 swmask = mask;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3371
    u32 fwmask = mask << 16;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3372
    s32 timeout = 200;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3373
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3374
    DEBUGFUNC("e1000_swfw_sync_acquire");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3375
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3376
    if (hw->swfwhw_semaphore_present)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3377
        return e1000_get_software_flag(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3378
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3379
    if (!hw->swfw_sync_present)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3380
        return e1000_get_hw_eeprom_semaphore(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3381
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3382
    while (timeout) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3383
            if (e1000_get_hw_eeprom_semaphore(hw))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3384
                return -E1000_ERR_SWFW_SYNC;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3385
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3386
            swfw_sync = er32(SW_FW_SYNC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3387
            if (!(swfw_sync & (fwmask | swmask))) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3388
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3389
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3390
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3391
            /* firmware currently using resource (fwmask) */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3392
            /* or other software thread currently using resource (swmask) */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3393
            e1000_put_hw_eeprom_semaphore(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3394
            mdelay(5);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3395
            timeout--;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3396
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3397
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3398
    if (!timeout) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3399
        DEBUGOUT("Driver can't access resource, SW_FW_SYNC timeout.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3400
        return -E1000_ERR_SWFW_SYNC;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3401
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3402
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3403
    swfw_sync |= swmask;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3404
    ew32(SW_FW_SYNC, swfw_sync);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3405
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3406
    e1000_put_hw_eeprom_semaphore(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3407
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3408
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3409
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3410
static void e1000_swfw_sync_release(struct e1000_hw *hw, u16 mask)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3411
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3412
    u32 swfw_sync;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3413
    u32 swmask = mask;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3414
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3415
    DEBUGFUNC("e1000_swfw_sync_release");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3416
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3417
    if (hw->swfwhw_semaphore_present) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3418
        e1000_release_software_flag(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3419
        return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3420
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3421
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3422
    if (!hw->swfw_sync_present) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3423
        e1000_put_hw_eeprom_semaphore(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3424
        return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3425
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3426
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3427
    /* if (e1000_get_hw_eeprom_semaphore(hw))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3428
     *    return -E1000_ERR_SWFW_SYNC; */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3429
    while (e1000_get_hw_eeprom_semaphore(hw) != E1000_SUCCESS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3430
        /* empty */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3431
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3432
    swfw_sync = er32(SW_FW_SYNC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3433
    swfw_sync &= ~swmask;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3434
    ew32(SW_FW_SYNC, swfw_sync);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3435
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3436
    e1000_put_hw_eeprom_semaphore(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3437
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3438
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3439
/*****************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3440
* Reads the value from a PHY register, if the value is on a specific non zero
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3441
* page, sets the page first.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3442
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3443
* reg_addr - address of the PHY register to read
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3444
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3445
s32 e1000_read_phy_reg(struct e1000_hw *hw, u32 reg_addr, u16 *phy_data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3446
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3447
    u32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3448
    u16 swfw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3449
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3450
    DEBUGFUNC("e1000_read_phy_reg");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3451
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3452
    if ((hw->mac_type == e1000_80003es2lan) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3453
        (er32(STATUS) & E1000_STATUS_FUNC_1)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3454
        swfw = E1000_SWFW_PHY1_SM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3455
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3456
        swfw = E1000_SWFW_PHY0_SM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3457
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3458
    if (e1000_swfw_sync_acquire(hw, swfw))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3459
        return -E1000_ERR_SWFW_SYNC;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3460
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3461
    if ((hw->phy_type == e1000_phy_igp ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3462
        hw->phy_type == e1000_phy_igp_3 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3463
        hw->phy_type == e1000_phy_igp_2) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3464
       (reg_addr > MAX_PHY_MULTI_PAGE_REG)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3465
        ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3466
                                         (u16)reg_addr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3467
        if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3468
            e1000_swfw_sync_release(hw, swfw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3469
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3470
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3471
    } else if (hw->phy_type == e1000_phy_gg82563) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3472
        if (((reg_addr & MAX_PHY_REG_ADDRESS) > MAX_PHY_MULTI_PAGE_REG) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3473
            (hw->mac_type == e1000_80003es2lan)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3474
            /* Select Configuration Page */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3475
            if ((reg_addr & MAX_PHY_REG_ADDRESS) < GG82563_MIN_ALT_REG) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3476
                ret_val = e1000_write_phy_reg_ex(hw, GG82563_PHY_PAGE_SELECT,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3477
                          (u16)((u16)reg_addr >> GG82563_PAGE_SHIFT));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3478
            } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3479
                /* Use Alternative Page Select register to access
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3480
                 * registers 30 and 31
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3481
                 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3482
                ret_val = e1000_write_phy_reg_ex(hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3483
                                                 GG82563_PHY_PAGE_SELECT_ALT,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3484
                          (u16)((u16)reg_addr >> GG82563_PAGE_SHIFT));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3485
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3486
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3487
            if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3488
                e1000_swfw_sync_release(hw, swfw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3489
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3490
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3491
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3492
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3493
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3494
    ret_val = e1000_read_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3495
                                    phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3496
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3497
    e1000_swfw_sync_release(hw, swfw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3498
    return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3499
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3500
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3501
static s32 e1000_read_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3502
				 u16 *phy_data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3503
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3504
    u32 i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3505
    u32 mdic = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3506
    const u32 phy_addr = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3507
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3508
    DEBUGFUNC("e1000_read_phy_reg_ex");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3509
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3510
    if (reg_addr > MAX_PHY_REG_ADDRESS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3511
        DEBUGOUT1("PHY Address %d is out of range\n", reg_addr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3512
        return -E1000_ERR_PARAM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3513
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3514
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3515
    if (hw->mac_type > e1000_82543) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3516
        /* Set up Op-code, Phy Address, and register address in the MDI
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3517
         * Control register.  The MAC will take care of interfacing with the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3518
         * PHY to retrieve the desired data.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3519
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3520
        mdic = ((reg_addr << E1000_MDIC_REG_SHIFT) |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3521
                (phy_addr << E1000_MDIC_PHY_SHIFT) |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3522
                (E1000_MDIC_OP_READ));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3523
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3524
        ew32(MDIC, mdic);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3525
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3526
        /* Poll the ready bit to see if the MDI read completed */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3527
        for (i = 0; i < 64; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3528
            udelay(50);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3529
            mdic = er32(MDIC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3530
            if (mdic & E1000_MDIC_READY) break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3531
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3532
        if (!(mdic & E1000_MDIC_READY)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3533
            DEBUGOUT("MDI Read did not complete\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3534
            return -E1000_ERR_PHY;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3535
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3536
        if (mdic & E1000_MDIC_ERROR) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3537
            DEBUGOUT("MDI Error\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3538
            return -E1000_ERR_PHY;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3539
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3540
        *phy_data = (u16)mdic;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3541
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3542
        /* We must first send a preamble through the MDIO pin to signal the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3543
         * beginning of an MII instruction.  This is done by sending 32
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3544
         * consecutive "1" bits.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3545
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3546
        e1000_shift_out_mdi_bits(hw, PHY_PREAMBLE, PHY_PREAMBLE_SIZE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3547
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3548
        /* Now combine the next few fields that are required for a read
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3549
         * operation.  We use this method instead of calling the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3550
         * e1000_shift_out_mdi_bits routine five different times. The format of
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3551
         * a MII read instruction consists of a shift out of 14 bits and is
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3552
         * defined as follows:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3553
         *    <Preamble><SOF><Op Code><Phy Addr><Reg Addr>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3554
         * followed by a shift in of 18 bits.  This first two bits shifted in
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3555
         * are TurnAround bits used to avoid contention on the MDIO pin when a
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3556
         * READ operation is performed.  These two bits are thrown away
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3557
         * followed by a shift in of 16 bits which contains the desired data.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3558
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3559
        mdic = ((reg_addr) | (phy_addr << 5) |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3560
                (PHY_OP_READ << 10) | (PHY_SOF << 12));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3561
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3562
        e1000_shift_out_mdi_bits(hw, mdic, 14);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3563
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3564
        /* Now that we've shifted out the read command to the MII, we need to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3565
         * "shift in" the 16-bit value (18 total bits) of the requested PHY
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3566
         * register address.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3567
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3568
        *phy_data = e1000_shift_in_mdi_bits(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3569
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3570
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3571
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3572
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3573
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3574
* Writes a value to a PHY register
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3575
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3576
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3577
* reg_addr - address of the PHY register to write
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3578
* data - data to write to the PHY
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3579
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3580
s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 reg_addr, u16 phy_data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3581
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3582
    u32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3583
    u16 swfw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3584
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3585
    DEBUGFUNC("e1000_write_phy_reg");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3586
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3587
    if ((hw->mac_type == e1000_80003es2lan) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3588
        (er32(STATUS) & E1000_STATUS_FUNC_1)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3589
        swfw = E1000_SWFW_PHY1_SM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3590
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3591
        swfw = E1000_SWFW_PHY0_SM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3592
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3593
    if (e1000_swfw_sync_acquire(hw, swfw))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3594
        return -E1000_ERR_SWFW_SYNC;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3595
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3596
    if ((hw->phy_type == e1000_phy_igp ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3597
        hw->phy_type == e1000_phy_igp_3 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3598
        hw->phy_type == e1000_phy_igp_2) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3599
       (reg_addr > MAX_PHY_MULTI_PAGE_REG)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3600
        ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3601
                                         (u16)reg_addr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3602
        if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3603
            e1000_swfw_sync_release(hw, swfw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3604
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3605
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3606
    } else if (hw->phy_type == e1000_phy_gg82563) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3607
        if (((reg_addr & MAX_PHY_REG_ADDRESS) > MAX_PHY_MULTI_PAGE_REG) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3608
            (hw->mac_type == e1000_80003es2lan)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3609
            /* Select Configuration Page */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3610
            if ((reg_addr & MAX_PHY_REG_ADDRESS) < GG82563_MIN_ALT_REG) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3611
                ret_val = e1000_write_phy_reg_ex(hw, GG82563_PHY_PAGE_SELECT,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3612
                          (u16)((u16)reg_addr >> GG82563_PAGE_SHIFT));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3613
            } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3614
                /* Use Alternative Page Select register to access
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3615
                 * registers 30 and 31
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3616
                 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3617
                ret_val = e1000_write_phy_reg_ex(hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3618
                                                 GG82563_PHY_PAGE_SELECT_ALT,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3619
                          (u16)((u16)reg_addr >> GG82563_PAGE_SHIFT));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3620
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3621
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3622
            if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3623
                e1000_swfw_sync_release(hw, swfw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3624
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3625
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3626
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3627
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3628
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3629
    ret_val = e1000_write_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3630
                                     phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3631
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3632
    e1000_swfw_sync_release(hw, swfw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3633
    return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3634
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3635
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3636
static s32 e1000_write_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3637
				  u16 phy_data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3638
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3639
    u32 i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3640
    u32 mdic = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3641
    const u32 phy_addr = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3642
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3643
    DEBUGFUNC("e1000_write_phy_reg_ex");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3644
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3645
    if (reg_addr > MAX_PHY_REG_ADDRESS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3646
        DEBUGOUT1("PHY Address %d is out of range\n", reg_addr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3647
        return -E1000_ERR_PARAM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3648
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3649
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3650
    if (hw->mac_type > e1000_82543) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3651
        /* Set up Op-code, Phy Address, register address, and data intended
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3652
         * for the PHY register in the MDI Control register.  The MAC will take
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3653
         * care of interfacing with the PHY to send the desired data.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3654
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3655
        mdic = (((u32)phy_data) |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3656
                (reg_addr << E1000_MDIC_REG_SHIFT) |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3657
                (phy_addr << E1000_MDIC_PHY_SHIFT) |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3658
                (E1000_MDIC_OP_WRITE));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3659
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3660
        ew32(MDIC, mdic);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3661
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3662
        /* Poll the ready bit to see if the MDI read completed */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3663
        for (i = 0; i < 641; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3664
            udelay(5);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3665
            mdic = er32(MDIC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3666
            if (mdic & E1000_MDIC_READY) break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3667
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3668
        if (!(mdic & E1000_MDIC_READY)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3669
            DEBUGOUT("MDI Write did not complete\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3670
            return -E1000_ERR_PHY;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3671
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3672
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3673
        /* We'll need to use the SW defined pins to shift the write command
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3674
         * out to the PHY. We first send a preamble to the PHY to signal the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3675
         * beginning of the MII instruction.  This is done by sending 32
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3676
         * consecutive "1" bits.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3677
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3678
        e1000_shift_out_mdi_bits(hw, PHY_PREAMBLE, PHY_PREAMBLE_SIZE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3679
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3680
        /* Now combine the remaining required fields that will indicate a
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3681
         * write operation. We use this method instead of calling the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3682
         * e1000_shift_out_mdi_bits routine for each field in the command. The
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3683
         * format of a MII write instruction is as follows:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3684
         * <Preamble><SOF><Op Code><Phy Addr><Reg Addr><Turnaround><Data>.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3685
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3686
        mdic = ((PHY_TURNAROUND) | (reg_addr << 2) | (phy_addr << 7) |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3687
                (PHY_OP_WRITE << 12) | (PHY_SOF << 14));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3688
        mdic <<= 16;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3689
        mdic |= (u32)phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3690
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3691
        e1000_shift_out_mdi_bits(hw, mdic, 32);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3692
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3693
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3694
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3695
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3696
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3697
static s32 e1000_read_kmrn_reg(struct e1000_hw *hw, u32 reg_addr, u16 *data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3698
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3699
    u32 reg_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3700
    u16 swfw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3701
    DEBUGFUNC("e1000_read_kmrn_reg");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3702
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3703
    if ((hw->mac_type == e1000_80003es2lan) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3704
        (er32(STATUS) & E1000_STATUS_FUNC_1)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3705
        swfw = E1000_SWFW_PHY1_SM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3706
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3707
        swfw = E1000_SWFW_PHY0_SM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3708
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3709
    if (e1000_swfw_sync_acquire(hw, swfw))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3710
        return -E1000_ERR_SWFW_SYNC;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3711
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3712
    /* Write register address */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3713
    reg_val = ((reg_addr << E1000_KUMCTRLSTA_OFFSET_SHIFT) &
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3714
              E1000_KUMCTRLSTA_OFFSET) |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3715
              E1000_KUMCTRLSTA_REN;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3716
    ew32(KUMCTRLSTA, reg_val);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3717
    udelay(2);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3718
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3719
    /* Read the data returned */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3720
    reg_val = er32(KUMCTRLSTA);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3721
    *data = (u16)reg_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3722
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3723
    e1000_swfw_sync_release(hw, swfw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3724
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3725
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3726
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3727
static s32 e1000_write_kmrn_reg(struct e1000_hw *hw, u32 reg_addr, u16 data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3728
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3729
    u32 reg_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3730
    u16 swfw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3731
    DEBUGFUNC("e1000_write_kmrn_reg");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3732
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3733
    if ((hw->mac_type == e1000_80003es2lan) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3734
        (er32(STATUS) & E1000_STATUS_FUNC_1)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3735
        swfw = E1000_SWFW_PHY1_SM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3736
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3737
        swfw = E1000_SWFW_PHY0_SM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3738
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3739
    if (e1000_swfw_sync_acquire(hw, swfw))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3740
        return -E1000_ERR_SWFW_SYNC;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3741
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3742
    reg_val = ((reg_addr << E1000_KUMCTRLSTA_OFFSET_SHIFT) &
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3743
              E1000_KUMCTRLSTA_OFFSET) | data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3744
    ew32(KUMCTRLSTA, reg_val);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3745
    udelay(2);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3746
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3747
    e1000_swfw_sync_release(hw, swfw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3748
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3749
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3750
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3751
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3752
* Returns the PHY to the power-on reset state
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3753
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3754
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3755
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3756
s32 e1000_phy_hw_reset(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3757
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3758
    u32 ctrl, ctrl_ext;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3759
    u32 led_ctrl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3760
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3761
    u16 swfw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3762
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3763
    DEBUGFUNC("e1000_phy_hw_reset");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3764
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3765
    /* In the case of the phy reset being blocked, it's not an error, we
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3766
     * simply return success without performing the reset. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3767
    ret_val = e1000_check_phy_reset_block(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3768
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3769
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3770
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3771
    DEBUGOUT("Resetting Phy...\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3772
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3773
    if (hw->mac_type > e1000_82543) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3774
        if ((hw->mac_type == e1000_80003es2lan) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3775
            (er32(STATUS) & E1000_STATUS_FUNC_1)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3776
            swfw = E1000_SWFW_PHY1_SM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3777
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3778
            swfw = E1000_SWFW_PHY0_SM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3779
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3780
        if (e1000_swfw_sync_acquire(hw, swfw)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3781
            DEBUGOUT("Unable to acquire swfw sync\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3782
            return -E1000_ERR_SWFW_SYNC;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3783
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3784
        /* Read the device control register and assert the E1000_CTRL_PHY_RST
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3785
         * bit. Then, take it out of reset.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3786
         * For pre-e1000_82571 hardware, we delay for 10ms between the assert
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3787
         * and deassert.  For e1000_82571 hardware and later, we instead delay
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3788
         * for 50us between and 10ms after the deassertion.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3789
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3790
        ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3791
        ew32(CTRL, ctrl | E1000_CTRL_PHY_RST);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3792
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3793
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3794
        if (hw->mac_type < e1000_82571)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3795
            msleep(10);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3796
        else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3797
            udelay(100);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3798
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3799
        ew32(CTRL, ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3800
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3801
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3802
        if (hw->mac_type >= e1000_82571)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3803
            mdelay(10);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3804
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3805
        e1000_swfw_sync_release(hw, swfw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3806
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3807
        /* Read the Extended Device Control Register, assert the PHY_RESET_DIR
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3808
         * bit to put the PHY into reset. Then, take it out of reset.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3809
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3810
        ctrl_ext = er32(CTRL_EXT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3811
        ctrl_ext |= E1000_CTRL_EXT_SDP4_DIR;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3812
        ctrl_ext &= ~E1000_CTRL_EXT_SDP4_DATA;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3813
        ew32(CTRL_EXT, ctrl_ext);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3814
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3815
        msleep(10);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3816
        ctrl_ext |= E1000_CTRL_EXT_SDP4_DATA;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3817
        ew32(CTRL_EXT, ctrl_ext);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3818
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3819
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3820
    udelay(150);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3821
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3822
    if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3823
        /* Configure activity LED after PHY reset */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3824
        led_ctrl = er32(LEDCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3825
        led_ctrl &= IGP_ACTIVITY_LED_MASK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3826
        led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3827
        ew32(LEDCTL, led_ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3828
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3829
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3830
    /* Wait for FW to finish PHY configuration. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3831
    ret_val = e1000_get_phy_cfg_done(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3832
    if (ret_val != E1000_SUCCESS)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3833
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3834
    e1000_release_software_semaphore(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3835
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3836
    if ((hw->mac_type == e1000_ich8lan) && (hw->phy_type == e1000_phy_igp_3))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3837
        ret_val = e1000_init_lcd_from_nvm(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3838
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3839
    return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3840
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3841
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3842
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3843
* Resets the PHY
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3844
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3845
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3846
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3847
* Sets bit 15 of the MII Control register
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3848
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3849
s32 e1000_phy_reset(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3850
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3851
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3852
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3853
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3854
    DEBUGFUNC("e1000_phy_reset");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3855
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3856
    /* In the case of the phy reset being blocked, it's not an error, we
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3857
     * simply return success without performing the reset. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3858
    ret_val = e1000_check_phy_reset_block(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3859
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3860
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3861
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3862
    switch (hw->phy_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3863
    case e1000_phy_igp:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3864
    case e1000_phy_igp_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3865
    case e1000_phy_igp_3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3866
    case e1000_phy_ife:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3867
        ret_val = e1000_phy_hw_reset(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3868
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3869
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3870
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3871
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3872
        ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3873
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3874
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3875
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3876
        phy_data |= MII_CR_RESET;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3877
        ret_val = e1000_write_phy_reg(hw, PHY_CTRL, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3878
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3879
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3880
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3881
        udelay(1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3882
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3883
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3884
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3885
    if (hw->phy_type == e1000_phy_igp || hw->phy_type == e1000_phy_igp_2)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3886
        e1000_phy_init_script(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3887
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3888
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3889
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3890
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3891
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3892
* Work-around for 82566 power-down: on D3 entry-
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3893
* 1) disable gigabit link
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3894
* 2) write VR power-down enable
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3895
* 3) read it back
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3896
* if successful continue, else issue LCD reset and repeat
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3897
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3898
* hw - struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3899
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3900
void e1000_phy_powerdown_workaround(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3901
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3902
    s32 reg;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3903
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3904
    s32 retry = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3905
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3906
    DEBUGFUNC("e1000_phy_powerdown_workaround");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3907
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3908
    if (hw->phy_type != e1000_phy_igp_3)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3909
        return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3910
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3911
    do {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3912
        /* Disable link */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3913
        reg = er32(PHY_CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3914
        ew32(PHY_CTRL, reg | E1000_PHY_CTRL_GBE_DISABLE |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3915
                        E1000_PHY_CTRL_NOND0A_GBE_DISABLE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3916
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3917
        /* Write VR power-down enable - bits 9:8 should be 10b */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3918
        e1000_read_phy_reg(hw, IGP3_VR_CTRL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3919
        phy_data |= (1 << 9);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3920
        phy_data &= ~(1 << 8);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3921
        e1000_write_phy_reg(hw, IGP3_VR_CTRL, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3922
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3923
        /* Read it back and test */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3924
        e1000_read_phy_reg(hw, IGP3_VR_CTRL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3925
        if (((phy_data & IGP3_VR_CTRL_MODE_MASK) == IGP3_VR_CTRL_MODE_SHUT) || retry)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3926
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3927
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3928
        /* Issue PHY reset and repeat at most one more time */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3929
        reg = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3930
        ew32(CTRL, reg | E1000_CTRL_PHY_RST);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3931
        retry++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3932
    } while (retry);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3933
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3934
    return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3935
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3936
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3937
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3938
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3939
* Work-around for 82566 Kumeran PCS lock loss:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3940
* On link status change (i.e. PCI reset, speed change) and link is up and
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3941
* speed is gigabit-
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3942
* 0) if workaround is optionally disabled do nothing
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3943
* 1) wait 1ms for Kumeran link to come up
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3944
* 2) check Kumeran Diagnostic register PCS lock loss bit
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3945
* 3) if not set the link is locked (all is good), otherwise...
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3946
* 4) reset the PHY
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3947
* 5) repeat up to 10 times
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3948
* Note: this is only called for IGP3 copper when speed is 1gb.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3949
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3950
* hw - struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3951
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3952
static s32 e1000_kumeran_lock_loss_workaround(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3953
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3954
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3955
    s32 reg;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3956
    s32 cnt;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3957
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3958
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3959
    if (hw->kmrn_lock_loss_workaround_disabled)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3960
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3961
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3962
    /* Make sure link is up before proceeding.  If not just return.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3963
     * Attempting this while link is negotiating fouled up link
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3964
     * stability */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3965
    ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3966
    ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3967
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3968
    if (phy_data & MII_SR_LINK_STATUS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3969
        for (cnt = 0; cnt < 10; cnt++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3970
            /* read once to clear */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3971
            ret_val = e1000_read_phy_reg(hw, IGP3_KMRN_DIAG, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3972
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3973
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3974
            /* and again to get new status */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3975
            ret_val = e1000_read_phy_reg(hw, IGP3_KMRN_DIAG, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3976
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3977
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3978
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3979
            /* check for PCS lock */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3980
            if (!(phy_data & IGP3_KMRN_DIAG_PCS_LOCK_LOSS))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3981
                return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3982
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3983
            /* Issue PHY reset */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3984
            e1000_phy_hw_reset(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3985
            mdelay(5);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3986
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3987
        /* Disable GigE link negotiation */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3988
        reg = er32(PHY_CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3989
        ew32(PHY_CTRL, reg | E1000_PHY_CTRL_GBE_DISABLE |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3990
                        E1000_PHY_CTRL_NOND0A_GBE_DISABLE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3991
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3992
        /* unable to acquire PCS lock */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3993
        return E1000_ERR_PHY;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3994
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3995
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3996
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3997
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3998
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3999
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4000
* Probes the expected PHY address for known PHY IDs
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4001
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4002
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4003
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4004
static s32 e1000_detect_gig_phy(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4005
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4006
    s32 phy_init_status, ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4007
    u16 phy_id_high, phy_id_low;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4008
    bool match = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4009
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4010
    DEBUGFUNC("e1000_detect_gig_phy");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4011
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4012
    if (hw->phy_id != 0)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4013
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4014
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4015
    /* The 82571 firmware may still be configuring the PHY.  In this
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4016
     * case, we cannot access the PHY until the configuration is done.  So
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4017
     * we explicitly set the PHY values. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4018
    if (hw->mac_type == e1000_82571 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4019
        hw->mac_type == e1000_82572) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4020
        hw->phy_id = IGP01E1000_I_PHY_ID;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4021
        hw->phy_type = e1000_phy_igp_2;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4022
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4023
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4024
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4025
    /* ESB-2 PHY reads require e1000_phy_gg82563 to be set because of a work-
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4026
     * around that forces PHY page 0 to be set or the reads fail.  The rest of
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4027
     * the code in this routine uses e1000_read_phy_reg to read the PHY ID.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4028
     * So for ESB-2 we need to have this set so our reads won't fail.  If the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4029
     * attached PHY is not a e1000_phy_gg82563, the routines below will figure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4030
     * this out as well. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4031
    if (hw->mac_type == e1000_80003es2lan)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4032
        hw->phy_type = e1000_phy_gg82563;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4033
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4034
    /* Read the PHY ID Registers to identify which PHY is onboard. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4035
    ret_val = e1000_read_phy_reg(hw, PHY_ID1, &phy_id_high);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4036
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4037
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4038
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4039
    hw->phy_id = (u32)(phy_id_high << 16);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4040
    udelay(20);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4041
    ret_val = e1000_read_phy_reg(hw, PHY_ID2, &phy_id_low);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4042
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4043
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4044
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4045
    hw->phy_id |= (u32)(phy_id_low & PHY_REVISION_MASK);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4046
    hw->phy_revision = (u32)phy_id_low & ~PHY_REVISION_MASK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4047
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4048
    switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4049
    case e1000_82543:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4050
        if (hw->phy_id == M88E1000_E_PHY_ID) match = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4051
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4052
    case e1000_82544:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4053
        if (hw->phy_id == M88E1000_I_PHY_ID) match = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4054
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4055
    case e1000_82540:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4056
    case e1000_82545:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4057
    case e1000_82545_rev_3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4058
    case e1000_82546:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4059
    case e1000_82546_rev_3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4060
        if (hw->phy_id == M88E1011_I_PHY_ID) match = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4061
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4062
    case e1000_82541:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4063
    case e1000_82541_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4064
    case e1000_82547:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4065
    case e1000_82547_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4066
        if (hw->phy_id == IGP01E1000_I_PHY_ID) match = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4067
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4068
    case e1000_82573:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4069
        if (hw->phy_id == M88E1111_I_PHY_ID) match = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4070
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4071
    case e1000_80003es2lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4072
        if (hw->phy_id == GG82563_E_PHY_ID) match = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4073
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4074
    case e1000_ich8lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4075
        if (hw->phy_id == IGP03E1000_E_PHY_ID) match = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4076
        if (hw->phy_id == IFE_E_PHY_ID) match = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4077
        if (hw->phy_id == IFE_PLUS_E_PHY_ID) match = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4078
        if (hw->phy_id == IFE_C_E_PHY_ID) match = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4079
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4080
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4081
        DEBUGOUT1("Invalid MAC type %d\n", hw->mac_type);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4082
        return -E1000_ERR_CONFIG;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4083
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4084
    phy_init_status = e1000_set_phy_type(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4085
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4086
    if ((match) && (phy_init_status == E1000_SUCCESS)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4087
        DEBUGOUT1("PHY ID 0x%X detected\n", hw->phy_id);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4088
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4089
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4090
    DEBUGOUT1("Invalid PHY ID 0x%X\n", hw->phy_id);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4091
    return -E1000_ERR_PHY;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4092
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4093
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4094
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4095
* Resets the PHY's DSP
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4096
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4097
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4098
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4099
static s32 e1000_phy_reset_dsp(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4100
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4101
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4102
    DEBUGFUNC("e1000_phy_reset_dsp");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4103
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4104
    do {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4105
        if (hw->phy_type != e1000_phy_gg82563) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4106
            ret_val = e1000_write_phy_reg(hw, 29, 0x001d);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4107
            if (ret_val) break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4108
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4109
        ret_val = e1000_write_phy_reg(hw, 30, 0x00c1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4110
        if (ret_val) break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4111
        ret_val = e1000_write_phy_reg(hw, 30, 0x0000);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4112
        if (ret_val) break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4113
        ret_val = E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4114
    } while (0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4115
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4116
    return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4117
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4118
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4119
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4120
* Get PHY information from various PHY registers for igp PHY only.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4121
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4122
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4123
* phy_info - PHY information structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4124
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4125
static s32 e1000_phy_igp_get_info(struct e1000_hw *hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4126
				  struct e1000_phy_info *phy_info)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4127
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4128
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4129
    u16 phy_data, min_length, max_length, average;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4130
    e1000_rev_polarity polarity;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4131
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4132
    DEBUGFUNC("e1000_phy_igp_get_info");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4133
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4134
    /* The downshift status is checked only once, after link is established,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4135
     * and it stored in the hw->speed_downgraded parameter. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4136
    phy_info->downshift = (e1000_downshift)hw->speed_downgraded;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4137
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4138
    /* IGP01E1000 does not need to support it. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4139
    phy_info->extended_10bt_distance = e1000_10bt_ext_dist_enable_normal;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4140
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4141
    /* IGP01E1000 always correct polarity reversal */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4142
    phy_info->polarity_correction = e1000_polarity_reversal_enabled;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4143
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4144
    /* Check polarity status */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4145
    ret_val = e1000_check_polarity(hw, &polarity);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4146
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4147
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4148
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4149
    phy_info->cable_polarity = polarity;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4150
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4151
    ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4152
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4153
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4154
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4155
    phy_info->mdix_mode = (e1000_auto_x_mode)((phy_data & IGP01E1000_PSSR_MDIX) >>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4156
                          IGP01E1000_PSSR_MDIX_SHIFT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4157
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4158
    if ((phy_data & IGP01E1000_PSSR_SPEED_MASK) ==
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4159
       IGP01E1000_PSSR_SPEED_1000MBPS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4160
        /* Local/Remote Receiver Information are only valid at 1000 Mbps */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4161
        ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4162
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4163
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4164
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4165
        phy_info->local_rx = ((phy_data & SR_1000T_LOCAL_RX_STATUS) >>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4166
                             SR_1000T_LOCAL_RX_STATUS_SHIFT) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4167
                             e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4168
        phy_info->remote_rx = ((phy_data & SR_1000T_REMOTE_RX_STATUS) >>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4169
                              SR_1000T_REMOTE_RX_STATUS_SHIFT) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4170
                              e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4171
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4172
        /* Get cable length */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4173
        ret_val = e1000_get_cable_length(hw, &min_length, &max_length);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4174
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4175
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4176
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4177
        /* Translate to old method */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4178
        average = (max_length + min_length) / 2;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4179
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4180
        if (average <= e1000_igp_cable_length_50)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4181
            phy_info->cable_length = e1000_cable_length_50;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4182
        else if (average <= e1000_igp_cable_length_80)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4183
            phy_info->cable_length = e1000_cable_length_50_80;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4184
        else if (average <= e1000_igp_cable_length_110)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4185
            phy_info->cable_length = e1000_cable_length_80_110;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4186
        else if (average <= e1000_igp_cable_length_140)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4187
            phy_info->cable_length = e1000_cable_length_110_140;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4188
        else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4189
            phy_info->cable_length = e1000_cable_length_140;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4190
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4191
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4192
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4193
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4194
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4195
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4196
* Get PHY information from various PHY registers for ife PHY only.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4197
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4198
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4199
* phy_info - PHY information structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4200
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4201
static s32 e1000_phy_ife_get_info(struct e1000_hw *hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4202
				  struct e1000_phy_info *phy_info)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4203
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4204
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4205
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4206
    e1000_rev_polarity polarity;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4207
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4208
    DEBUGFUNC("e1000_phy_ife_get_info");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4209
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4210
    phy_info->downshift = (e1000_downshift)hw->speed_downgraded;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4211
    phy_info->extended_10bt_distance = e1000_10bt_ext_dist_enable_normal;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4212
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4213
    ret_val = e1000_read_phy_reg(hw, IFE_PHY_SPECIAL_CONTROL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4214
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4215
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4216
    phy_info->polarity_correction =
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4217
                        ((phy_data & IFE_PSC_AUTO_POLARITY_DISABLE) >>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4218
                        IFE_PSC_AUTO_POLARITY_DISABLE_SHIFT) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4219
                        e1000_polarity_reversal_disabled : e1000_polarity_reversal_enabled;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4220
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4221
    if (phy_info->polarity_correction == e1000_polarity_reversal_enabled) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4222
        ret_val = e1000_check_polarity(hw, &polarity);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4223
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4224
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4225
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4226
        /* Polarity is forced. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4227
        polarity = ((phy_data & IFE_PSC_FORCE_POLARITY) >>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4228
                     IFE_PSC_FORCE_POLARITY_SHIFT) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4229
                     e1000_rev_polarity_reversed : e1000_rev_polarity_normal;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4230
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4231
    phy_info->cable_polarity = polarity;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4232
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4233
    ret_val = e1000_read_phy_reg(hw, IFE_PHY_MDIX_CONTROL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4234
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4235
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4236
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4237
    phy_info->mdix_mode = (e1000_auto_x_mode)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4238
                     ((phy_data & (IFE_PMC_AUTO_MDIX | IFE_PMC_FORCE_MDIX)) >>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4239
                     IFE_PMC_MDIX_MODE_SHIFT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4240
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4241
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4242
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4243
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4244
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4245
* Get PHY information from various PHY registers fot m88 PHY only.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4246
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4247
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4248
* phy_info - PHY information structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4249
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4250
static s32 e1000_phy_m88_get_info(struct e1000_hw *hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4251
				  struct e1000_phy_info *phy_info)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4252
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4253
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4254
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4255
    e1000_rev_polarity polarity;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4256
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4257
    DEBUGFUNC("e1000_phy_m88_get_info");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4258
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4259
    /* The downshift status is checked only once, after link is established,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4260
     * and it stored in the hw->speed_downgraded parameter. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4261
    phy_info->downshift = (e1000_downshift)hw->speed_downgraded;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4262
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4263
    ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4264
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4265
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4266
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4267
    phy_info->extended_10bt_distance =
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4268
        ((phy_data & M88E1000_PSCR_10BT_EXT_DIST_ENABLE) >>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4269
        M88E1000_PSCR_10BT_EXT_DIST_ENABLE_SHIFT) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4270
        e1000_10bt_ext_dist_enable_lower : e1000_10bt_ext_dist_enable_normal;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4271
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4272
    phy_info->polarity_correction =
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4273
        ((phy_data & M88E1000_PSCR_POLARITY_REVERSAL) >>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4274
        M88E1000_PSCR_POLARITY_REVERSAL_SHIFT) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4275
        e1000_polarity_reversal_disabled : e1000_polarity_reversal_enabled;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4276
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4277
    /* Check polarity status */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4278
    ret_val = e1000_check_polarity(hw, &polarity);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4279
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4280
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4281
    phy_info->cable_polarity = polarity;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4282
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4283
    ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4284
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4285
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4286
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4287
    phy_info->mdix_mode = (e1000_auto_x_mode)((phy_data & M88E1000_PSSR_MDIX) >>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4288
                          M88E1000_PSSR_MDIX_SHIFT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4289
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4290
    if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4291
        /* Cable Length Estimation and Local/Remote Receiver Information
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4292
         * are only valid at 1000 Mbps.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4293
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4294
        if (hw->phy_type != e1000_phy_gg82563) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4295
            phy_info->cable_length = (e1000_cable_length)((phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4296
                                      M88E1000_PSSR_CABLE_LENGTH_SHIFT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4297
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4298
            ret_val = e1000_read_phy_reg(hw, GG82563_PHY_DSP_DISTANCE,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4299
                                         &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4300
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4301
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4302
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4303
            phy_info->cable_length = (e1000_cable_length)(phy_data & GG82563_DSPD_CABLE_LENGTH);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4304
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4305
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4306
        ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4307
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4308
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4309
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4310
        phy_info->local_rx = ((phy_data & SR_1000T_LOCAL_RX_STATUS) >>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4311
                             SR_1000T_LOCAL_RX_STATUS_SHIFT) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4312
                             e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4313
        phy_info->remote_rx = ((phy_data & SR_1000T_REMOTE_RX_STATUS) >>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4314
                              SR_1000T_REMOTE_RX_STATUS_SHIFT) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4315
                              e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4316
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4317
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4318
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4319
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4320
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4321
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4322
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4323
* Get PHY information from various PHY registers
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4324
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4325
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4326
* phy_info - PHY information structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4327
******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4328
s32 e1000_phy_get_info(struct e1000_hw *hw, struct e1000_phy_info *phy_info)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4329
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4330
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4331
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4332
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4333
    DEBUGFUNC("e1000_phy_get_info");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4334
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4335
    phy_info->cable_length = e1000_cable_length_undefined;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4336
    phy_info->extended_10bt_distance = e1000_10bt_ext_dist_enable_undefined;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4337
    phy_info->cable_polarity = e1000_rev_polarity_undefined;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4338
    phy_info->downshift = e1000_downshift_undefined;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4339
    phy_info->polarity_correction = e1000_polarity_reversal_undefined;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4340
    phy_info->mdix_mode = e1000_auto_x_mode_undefined;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4341
    phy_info->local_rx = e1000_1000t_rx_status_undefined;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4342
    phy_info->remote_rx = e1000_1000t_rx_status_undefined;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4343
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4344
    if (hw->media_type != e1000_media_type_copper) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4345
        DEBUGOUT("PHY info is only valid for copper media\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4346
        return -E1000_ERR_CONFIG;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4347
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4348
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4349
    ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4350
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4351
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4352
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4353
    ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4354
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4355
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4356
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4357
    if ((phy_data & MII_SR_LINK_STATUS) != MII_SR_LINK_STATUS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4358
        DEBUGOUT("PHY info is only valid if link is up\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4359
        return -E1000_ERR_CONFIG;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4360
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4361
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4362
    if (hw->phy_type == e1000_phy_igp ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4363
        hw->phy_type == e1000_phy_igp_3 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4364
        hw->phy_type == e1000_phy_igp_2)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4365
        return e1000_phy_igp_get_info(hw, phy_info);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4366
    else if (hw->phy_type == e1000_phy_ife)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4367
        return e1000_phy_ife_get_info(hw, phy_info);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4368
    else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4369
        return e1000_phy_m88_get_info(hw, phy_info);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4370
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4371
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4372
s32 e1000_validate_mdi_setting(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4373
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4374
    DEBUGFUNC("e1000_validate_mdi_settings");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4375
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4376
    if (!hw->autoneg && (hw->mdix == 0 || hw->mdix == 3)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4377
        DEBUGOUT("Invalid MDI setting detected\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4378
        hw->mdix = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4379
        return -E1000_ERR_CONFIG;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4380
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4381
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4382
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4383
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4384
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4385
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4386
 * Sets up eeprom variables in the hw struct.  Must be called after mac_type
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4387
 * is configured.  Additionally, if this is ICH8, the flash controller GbE
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4388
 * registers must be mapped, or this will crash.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4389
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4390
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4391
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4392
s32 e1000_init_eeprom_params(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4393
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4394
    struct e1000_eeprom_info *eeprom = &hw->eeprom;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4395
    u32 eecd = er32(EECD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4396
    s32 ret_val = E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4397
    u16 eeprom_size;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4398
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4399
    DEBUGFUNC("e1000_init_eeprom_params");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4400
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4401
    switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4402
    case e1000_82542_rev2_0:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4403
    case e1000_82542_rev2_1:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4404
    case e1000_82543:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4405
    case e1000_82544:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4406
        eeprom->type = e1000_eeprom_microwire;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4407
        eeprom->word_size = 64;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4408
        eeprom->opcode_bits = 3;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4409
        eeprom->address_bits = 6;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4410
        eeprom->delay_usec = 50;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4411
        eeprom->use_eerd = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4412
        eeprom->use_eewr = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4413
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4414
    case e1000_82540:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4415
    case e1000_82545:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4416
    case e1000_82545_rev_3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4417
    case e1000_82546:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4418
    case e1000_82546_rev_3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4419
        eeprom->type = e1000_eeprom_microwire;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4420
        eeprom->opcode_bits = 3;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4421
        eeprom->delay_usec = 50;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4422
        if (eecd & E1000_EECD_SIZE) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4423
            eeprom->word_size = 256;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4424
            eeprom->address_bits = 8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4425
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4426
            eeprom->word_size = 64;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4427
            eeprom->address_bits = 6;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4428
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4429
        eeprom->use_eerd = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4430
        eeprom->use_eewr = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4431
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4432
    case e1000_82541:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4433
    case e1000_82541_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4434
    case e1000_82547:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4435
    case e1000_82547_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4436
        if (eecd & E1000_EECD_TYPE) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4437
            eeprom->type = e1000_eeprom_spi;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4438
            eeprom->opcode_bits = 8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4439
            eeprom->delay_usec = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4440
            if (eecd & E1000_EECD_ADDR_BITS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4441
                eeprom->page_size = 32;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4442
                eeprom->address_bits = 16;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4443
            } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4444
                eeprom->page_size = 8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4445
                eeprom->address_bits = 8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4446
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4447
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4448
            eeprom->type = e1000_eeprom_microwire;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4449
            eeprom->opcode_bits = 3;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4450
            eeprom->delay_usec = 50;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4451
            if (eecd & E1000_EECD_ADDR_BITS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4452
                eeprom->word_size = 256;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4453
                eeprom->address_bits = 8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4454
            } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4455
                eeprom->word_size = 64;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4456
                eeprom->address_bits = 6;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4457
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4458
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4459
        eeprom->use_eerd = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4460
        eeprom->use_eewr = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4461
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4462
    case e1000_82571:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4463
    case e1000_82572:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4464
        eeprom->type = e1000_eeprom_spi;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4465
        eeprom->opcode_bits = 8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4466
        eeprom->delay_usec = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4467
        if (eecd & E1000_EECD_ADDR_BITS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4468
            eeprom->page_size = 32;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4469
            eeprom->address_bits = 16;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4470
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4471
            eeprom->page_size = 8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4472
            eeprom->address_bits = 8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4473
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4474
        eeprom->use_eerd = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4475
        eeprom->use_eewr = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4476
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4477
    case e1000_82573:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4478
        eeprom->type = e1000_eeprom_spi;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4479
        eeprom->opcode_bits = 8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4480
        eeprom->delay_usec = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4481
        if (eecd & E1000_EECD_ADDR_BITS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4482
            eeprom->page_size = 32;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4483
            eeprom->address_bits = 16;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4484
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4485
            eeprom->page_size = 8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4486
            eeprom->address_bits = 8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4487
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4488
        eeprom->use_eerd = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4489
        eeprom->use_eewr = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4490
        if (!e1000_is_onboard_nvm_eeprom(hw)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4491
            eeprom->type = e1000_eeprom_flash;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4492
            eeprom->word_size = 2048;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4493
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4494
            /* Ensure that the Autonomous FLASH update bit is cleared due to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4495
             * Flash update issue on parts which use a FLASH for NVM. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4496
            eecd &= ~E1000_EECD_AUPDEN;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4497
            ew32(EECD, eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4498
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4499
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4500
    case e1000_80003es2lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4501
        eeprom->type = e1000_eeprom_spi;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4502
        eeprom->opcode_bits = 8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4503
        eeprom->delay_usec = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4504
        if (eecd & E1000_EECD_ADDR_BITS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4505
            eeprom->page_size = 32;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4506
            eeprom->address_bits = 16;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4507
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4508
            eeprom->page_size = 8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4509
            eeprom->address_bits = 8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4510
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4511
        eeprom->use_eerd = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4512
        eeprom->use_eewr = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4513
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4514
    case e1000_ich8lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4515
        {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4516
        s32  i = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4517
        u32 flash_size = E1000_READ_ICH_FLASH_REG(hw, ICH_FLASH_GFPREG);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4518
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4519
        eeprom->type = e1000_eeprom_ich8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4520
        eeprom->use_eerd = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4521
        eeprom->use_eewr = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4522
        eeprom->word_size = E1000_SHADOW_RAM_WORDS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4523
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4524
        /* Zero the shadow RAM structure. But don't load it from NVM
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4525
         * so as to save time for driver init */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4526
        if (hw->eeprom_shadow_ram != NULL) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4527
            for (i = 0; i < E1000_SHADOW_RAM_WORDS; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4528
                hw->eeprom_shadow_ram[i].modified = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4529
                hw->eeprom_shadow_ram[i].eeprom_word = 0xFFFF;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4530
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4531
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4532
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4533
        hw->flash_base_addr = (flash_size & ICH_GFPREG_BASE_MASK) *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4534
                              ICH_FLASH_SECTOR_SIZE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4535
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4536
        hw->flash_bank_size = ((flash_size >> 16) & ICH_GFPREG_BASE_MASK) + 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4537
        hw->flash_bank_size -= (flash_size & ICH_GFPREG_BASE_MASK);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4538
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4539
        hw->flash_bank_size *= ICH_FLASH_SECTOR_SIZE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4540
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4541
        hw->flash_bank_size /= 2 * sizeof(u16);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4542
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4543
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4544
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4545
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4546
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4547
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4548
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4549
    if (eeprom->type == e1000_eeprom_spi) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4550
        /* eeprom_size will be an enum [0..8] that maps to eeprom sizes 128B to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4551
         * 32KB (incremented by powers of 2).
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4552
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4553
        if (hw->mac_type <= e1000_82547_rev_2) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4554
            /* Set to default value for initial eeprom read. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4555
            eeprom->word_size = 64;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4556
            ret_val = e1000_read_eeprom(hw, EEPROM_CFG, 1, &eeprom_size);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4557
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4558
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4559
            eeprom_size = (eeprom_size & EEPROM_SIZE_MASK) >> EEPROM_SIZE_SHIFT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4560
            /* 256B eeprom size was not supported in earlier hardware, so we
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4561
             * bump eeprom_size up one to ensure that "1" (which maps to 256B)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4562
             * is never the result used in the shifting logic below. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4563
            if (eeprom_size)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4564
                eeprom_size++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4565
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4566
            eeprom_size = (u16)((eecd & E1000_EECD_SIZE_EX_MASK) >>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4567
                          E1000_EECD_SIZE_EX_SHIFT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4568
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4569
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4570
        eeprom->word_size = 1 << (eeprom_size + EEPROM_WORD_SIZE_SHIFT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4571
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4572
    return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4573
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4574
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4575
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4576
 * Raises the EEPROM's clock input.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4577
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4578
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4579
 * eecd - EECD's current value
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4580
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4581
static void e1000_raise_ee_clk(struct e1000_hw *hw, u32 *eecd)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4582
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4583
    /* Raise the clock input to the EEPROM (by setting the SK bit), and then
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4584
     * wait <delay> microseconds.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4585
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4586
    *eecd = *eecd | E1000_EECD_SK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4587
    ew32(EECD, *eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4588
    E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4589
    udelay(hw->eeprom.delay_usec);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4590
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4591
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4592
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4593
 * Lowers the EEPROM's clock input.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4594
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4595
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4596
 * eecd - EECD's current value
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4597
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4598
static void e1000_lower_ee_clk(struct e1000_hw *hw, u32 *eecd)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4599
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4600
    /* Lower the clock input to the EEPROM (by clearing the SK bit), and then
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4601
     * wait 50 microseconds.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4602
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4603
    *eecd = *eecd & ~E1000_EECD_SK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4604
    ew32(EECD, *eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4605
    E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4606
    udelay(hw->eeprom.delay_usec);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4607
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4608
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4609
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4610
 * Shift data bits out to the EEPROM.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4611
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4612
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4613
 * data - data to send to the EEPROM
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4614
 * count - number of bits to shift out
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4615
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4616
static void e1000_shift_out_ee_bits(struct e1000_hw *hw, u16 data, u16 count)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4617
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4618
    struct e1000_eeprom_info *eeprom = &hw->eeprom;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4619
    u32 eecd;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4620
    u32 mask;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4621
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4622
    /* We need to shift "count" bits out to the EEPROM. So, value in the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4623
     * "data" parameter will be shifted out to the EEPROM one bit at a time.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4624
     * In order to do this, "data" must be broken down into bits.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4625
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4626
    mask = 0x01 << (count - 1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4627
    eecd = er32(EECD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4628
    if (eeprom->type == e1000_eeprom_microwire) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4629
        eecd &= ~E1000_EECD_DO;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4630
    } else if (eeprom->type == e1000_eeprom_spi) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4631
        eecd |= E1000_EECD_DO;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4632
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4633
    do {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4634
        /* A "1" is shifted out to the EEPROM by setting bit "DI" to a "1",
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4635
         * and then raising and then lowering the clock (the SK bit controls
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4636
         * the clock input to the EEPROM).  A "0" is shifted out to the EEPROM
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4637
         * by setting "DI" to "0" and then raising and then lowering the clock.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4638
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4639
        eecd &= ~E1000_EECD_DI;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4640
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4641
        if (data & mask)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4642
            eecd |= E1000_EECD_DI;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4643
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4644
        ew32(EECD, eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4645
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4646
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4647
        udelay(eeprom->delay_usec);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4648
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4649
        e1000_raise_ee_clk(hw, &eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4650
        e1000_lower_ee_clk(hw, &eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4651
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4652
        mask = mask >> 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4653
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4654
    } while (mask);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4655
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4656
    /* We leave the "DI" bit set to "0" when we leave this routine. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4657
    eecd &= ~E1000_EECD_DI;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4658
    ew32(EECD, eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4659
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4660
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4661
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4662
 * Shift data bits in from the EEPROM
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4663
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4664
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4665
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4666
static u16 e1000_shift_in_ee_bits(struct e1000_hw *hw, u16 count)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4667
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4668
    u32 eecd;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4669
    u32 i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4670
    u16 data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4671
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4672
    /* In order to read a register from the EEPROM, we need to shift 'count'
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4673
     * bits in from the EEPROM. Bits are "shifted in" by raising the clock
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4674
     * input to the EEPROM (setting the SK bit), and then reading the value of
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4675
     * the "DO" bit.  During this "shifting in" process the "DI" bit should
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4676
     * always be clear.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4677
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4678
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4679
    eecd = er32(EECD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4680
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4681
    eecd &= ~(E1000_EECD_DO | E1000_EECD_DI);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4682
    data = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4683
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4684
    for (i = 0; i < count; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4685
        data = data << 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4686
        e1000_raise_ee_clk(hw, &eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4687
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4688
        eecd = er32(EECD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4689
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4690
        eecd &= ~(E1000_EECD_DI);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4691
        if (eecd & E1000_EECD_DO)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4692
            data |= 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4693
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4694
        e1000_lower_ee_clk(hw, &eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4695
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4696
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4697
    return data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4698
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4699
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4700
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4701
 * Prepares EEPROM for access
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4702
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4703
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4704
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4705
 * Lowers EEPROM clock. Clears input pin. Sets the chip select pin. This
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4706
 * function should be called before issuing a command to the EEPROM.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4707
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4708
static s32 e1000_acquire_eeprom(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4709
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4710
    struct e1000_eeprom_info *eeprom = &hw->eeprom;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4711
    u32 eecd, i=0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4712
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4713
    DEBUGFUNC("e1000_acquire_eeprom");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4714
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4715
    if (e1000_swfw_sync_acquire(hw, E1000_SWFW_EEP_SM))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4716
        return -E1000_ERR_SWFW_SYNC;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4717
    eecd = er32(EECD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4718
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4719
    if (hw->mac_type != e1000_82573) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4720
        /* Request EEPROM Access */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4721
        if (hw->mac_type > e1000_82544) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4722
            eecd |= E1000_EECD_REQ;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4723
            ew32(EECD, eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4724
            eecd = er32(EECD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4725
            while ((!(eecd & E1000_EECD_GNT)) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4726
                  (i < E1000_EEPROM_GRANT_ATTEMPTS)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4727
                i++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4728
                udelay(5);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4729
                eecd = er32(EECD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4730
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4731
            if (!(eecd & E1000_EECD_GNT)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4732
                eecd &= ~E1000_EECD_REQ;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4733
                ew32(EECD, eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4734
                DEBUGOUT("Could not acquire EEPROM grant\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4735
                e1000_swfw_sync_release(hw, E1000_SWFW_EEP_SM);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4736
                return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4737
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4738
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4739
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4740
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4741
    /* Setup EEPROM for Read/Write */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4742
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4743
    if (eeprom->type == e1000_eeprom_microwire) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4744
        /* Clear SK and DI */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4745
        eecd &= ~(E1000_EECD_DI | E1000_EECD_SK);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4746
        ew32(EECD, eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4747
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4748
        /* Set CS */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4749
        eecd |= E1000_EECD_CS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4750
        ew32(EECD, eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4751
    } else if (eeprom->type == e1000_eeprom_spi) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4752
        /* Clear SK and CS */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4753
        eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4754
        ew32(EECD, eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4755
        udelay(1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4756
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4757
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4758
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4759
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4760
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4761
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4762
 * Returns EEPROM to a "standby" state
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4763
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4764
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4765
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4766
static void e1000_standby_eeprom(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4767
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4768
    struct e1000_eeprom_info *eeprom = &hw->eeprom;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4769
    u32 eecd;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4770
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4771
    eecd = er32(EECD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4772
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4773
    if (eeprom->type == e1000_eeprom_microwire) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4774
        eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4775
        ew32(EECD, eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4776
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4777
        udelay(eeprom->delay_usec);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4778
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4779
        /* Clock high */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4780
        eecd |= E1000_EECD_SK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4781
        ew32(EECD, eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4782
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4783
        udelay(eeprom->delay_usec);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4784
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4785
        /* Select EEPROM */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4786
        eecd |= E1000_EECD_CS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4787
        ew32(EECD, eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4788
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4789
        udelay(eeprom->delay_usec);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4790
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4791
        /* Clock low */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4792
        eecd &= ~E1000_EECD_SK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4793
        ew32(EECD, eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4794
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4795
        udelay(eeprom->delay_usec);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4796
    } else if (eeprom->type == e1000_eeprom_spi) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4797
        /* Toggle CS to flush commands */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4798
        eecd |= E1000_EECD_CS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4799
        ew32(EECD, eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4800
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4801
        udelay(eeprom->delay_usec);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4802
        eecd &= ~E1000_EECD_CS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4803
        ew32(EECD, eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4804
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4805
        udelay(eeprom->delay_usec);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4806
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4807
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4808
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4809
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4810
 * Terminates a command by inverting the EEPROM's chip select pin
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4811
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4812
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4813
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4814
static void e1000_release_eeprom(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4815
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4816
    u32 eecd;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4817
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4818
    DEBUGFUNC("e1000_release_eeprom");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4819
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4820
    eecd = er32(EECD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4821
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4822
    if (hw->eeprom.type == e1000_eeprom_spi) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4823
        eecd |= E1000_EECD_CS;  /* Pull CS high */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4824
        eecd &= ~E1000_EECD_SK; /* Lower SCK */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4825
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4826
        ew32(EECD, eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4827
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4828
        udelay(hw->eeprom.delay_usec);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4829
    } else if (hw->eeprom.type == e1000_eeprom_microwire) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4830
        /* cleanup eeprom */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4831
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4832
        /* CS on Microwire is active-high */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4833
        eecd &= ~(E1000_EECD_CS | E1000_EECD_DI);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4834
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4835
        ew32(EECD, eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4836
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4837
        /* Rising edge of clock */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4838
        eecd |= E1000_EECD_SK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4839
        ew32(EECD, eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4840
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4841
        udelay(hw->eeprom.delay_usec);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4842
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4843
        /* Falling edge of clock */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4844
        eecd &= ~E1000_EECD_SK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4845
        ew32(EECD, eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4846
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4847
        udelay(hw->eeprom.delay_usec);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4848
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4849
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4850
    /* Stop requesting EEPROM access */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4851
    if (hw->mac_type > e1000_82544) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4852
        eecd &= ~E1000_EECD_REQ;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4853
        ew32(EECD, eecd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4854
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4855
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4856
    e1000_swfw_sync_release(hw, E1000_SWFW_EEP_SM);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4857
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4858
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4859
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4860
 * Reads a 16 bit word from the EEPROM.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4861
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4862
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4863
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4864
static s32 e1000_spi_eeprom_ready(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4865
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4866
    u16 retry_count = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4867
    u8 spi_stat_reg;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4868
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4869
    DEBUGFUNC("e1000_spi_eeprom_ready");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4870
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4871
    /* Read "Status Register" repeatedly until the LSB is cleared.  The
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4872
     * EEPROM will signal that the command has been completed by clearing
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4873
     * bit 0 of the internal status register.  If it's not cleared within
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4874
     * 5 milliseconds, then error out.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4875
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4876
    retry_count = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4877
    do {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4878
        e1000_shift_out_ee_bits(hw, EEPROM_RDSR_OPCODE_SPI,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4879
                                hw->eeprom.opcode_bits);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4880
        spi_stat_reg = (u8)e1000_shift_in_ee_bits(hw, 8);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4881
        if (!(spi_stat_reg & EEPROM_STATUS_RDY_SPI))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4882
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4883
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4884
        udelay(5);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4885
        retry_count += 5;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4886
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4887
        e1000_standby_eeprom(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4888
    } while (retry_count < EEPROM_MAX_RETRY_SPI);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4889
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4890
    /* ATMEL SPI write time could vary from 0-20mSec on 3.3V devices (and
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4891
     * only 0-5mSec on 5V devices)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4892
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4893
    if (retry_count >= EEPROM_MAX_RETRY_SPI) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4894
        DEBUGOUT("SPI EEPROM Status error\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4895
        return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4896
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4897
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4898
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4899
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4900
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4901
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4902
 * Reads a 16 bit word from the EEPROM.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4903
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4904
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4905
 * offset - offset of  word in the EEPROM to read
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4906
 * data - word read from the EEPROM
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4907
 * words - number of words to read
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4908
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4909
s32 e1000_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4910
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4911
    s32 ret;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4912
    spin_lock(&e1000_eeprom_lock);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4913
    ret = e1000_do_read_eeprom(hw, offset, words, data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4914
    spin_unlock(&e1000_eeprom_lock);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4915
    return ret;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4916
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4917
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4918
static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4919
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4920
    struct e1000_eeprom_info *eeprom = &hw->eeprom;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4921
    u32 i = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4922
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4923
    DEBUGFUNC("e1000_read_eeprom");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4924
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4925
    /* If eeprom is not yet detected, do so now */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4926
    if (eeprom->word_size == 0)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4927
        e1000_init_eeprom_params(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4928
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4929
    /* A check for invalid values:  offset too large, too many words, and not
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4930
     * enough words.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4931
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4932
    if ((offset >= eeprom->word_size) || (words > eeprom->word_size - offset) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4933
       (words == 0)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4934
        DEBUGOUT2("\"words\" parameter out of bounds. Words = %d, size = %d\n", offset, eeprom->word_size);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4935
        return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4936
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4937
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4938
    /* EEPROM's that don't use EERD to read require us to bit-bang the SPI
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4939
     * directly. In this case, we need to acquire the EEPROM so that
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4940
     * FW or other port software does not interrupt.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4941
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4942
    if (e1000_is_onboard_nvm_eeprom(hw) && !hw->eeprom.use_eerd) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4943
        /* Prepare the EEPROM for bit-bang reading */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4944
        if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4945
            return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4946
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4947
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4948
    /* Eerd register EEPROM access requires no eeprom aquire/release */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4949
    if (eeprom->use_eerd)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4950
        return e1000_read_eeprom_eerd(hw, offset, words, data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4951
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4952
    /* ICH EEPROM access is done via the ICH flash controller */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4953
    if (eeprom->type == e1000_eeprom_ich8)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4954
        return e1000_read_eeprom_ich8(hw, offset, words, data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4955
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4956
    /* Set up the SPI or Microwire EEPROM for bit-bang reading.  We have
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4957
     * acquired the EEPROM at this point, so any returns should relase it */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4958
    if (eeprom->type == e1000_eeprom_spi) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4959
        u16 word_in;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4960
        u8 read_opcode = EEPROM_READ_OPCODE_SPI;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4961
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4962
        if (e1000_spi_eeprom_ready(hw)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4963
            e1000_release_eeprom(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4964
            return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4965
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4966
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4967
        e1000_standby_eeprom(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4968
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4969
        /* Some SPI eeproms use the 8th address bit embedded in the opcode */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4970
        if ((eeprom->address_bits == 8) && (offset >= 128))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4971
            read_opcode |= EEPROM_A8_OPCODE_SPI;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4972
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4973
        /* Send the READ command (opcode + addr)  */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4974
        e1000_shift_out_ee_bits(hw, read_opcode, eeprom->opcode_bits);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4975
        e1000_shift_out_ee_bits(hw, (u16)(offset*2), eeprom->address_bits);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4976
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4977
        /* Read the data.  The address of the eeprom internally increments with
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4978
         * each byte (spi) being read, saving on the overhead of eeprom setup
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4979
         * and tear-down.  The address counter will roll over if reading beyond
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4980
         * the size of the eeprom, thus allowing the entire memory to be read
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4981
         * starting from any offset. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4982
        for (i = 0; i < words; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4983
            word_in = e1000_shift_in_ee_bits(hw, 16);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4984
            data[i] = (word_in >> 8) | (word_in << 8);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4985
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4986
    } else if (eeprom->type == e1000_eeprom_microwire) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4987
        for (i = 0; i < words; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4988
            /* Send the READ command (opcode + addr)  */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4989
            e1000_shift_out_ee_bits(hw, EEPROM_READ_OPCODE_MICROWIRE,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4990
                                    eeprom->opcode_bits);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4991
            e1000_shift_out_ee_bits(hw, (u16)(offset + i),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4992
                                    eeprom->address_bits);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4993
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4994
            /* Read the data.  For microwire, each word requires the overhead
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4995
             * of eeprom setup and tear-down. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4996
            data[i] = e1000_shift_in_ee_bits(hw, 16);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4997
            e1000_standby_eeprom(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4998
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4999
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5000
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5001
    /* End this read operation */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5002
    e1000_release_eeprom(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5003
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5004
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5005
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5006
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5007
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5008
 * Reads a 16 bit word from the EEPROM using the EERD register.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5009
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5010
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5011
 * offset - offset of  word in the EEPROM to read
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5012
 * data - word read from the EEPROM
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5013
 * words - number of words to read
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5014
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5015
static s32 e1000_read_eeprom_eerd(struct e1000_hw *hw, u16 offset, u16 words,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5016
				  u16 *data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5017
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5018
    u32 i, eerd = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5019
    s32 error = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5020
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5021
    for (i = 0; i < words; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5022
        eerd = ((offset+i) << E1000_EEPROM_RW_ADDR_SHIFT) +
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5023
                         E1000_EEPROM_RW_REG_START;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5024
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5025
        ew32(EERD, eerd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5026
        error = e1000_poll_eerd_eewr_done(hw, E1000_EEPROM_POLL_READ);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5027
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5028
        if (error) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5029
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5030
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5031
        data[i] = (er32(EERD) >> E1000_EEPROM_RW_REG_DATA);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5032
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5033
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5034
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5035
    return error;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5036
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5037
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5038
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5039
 * Writes a 16 bit word from the EEPROM using the EEWR register.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5040
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5041
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5042
 * offset - offset of  word in the EEPROM to read
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5043
 * data - word read from the EEPROM
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5044
 * words - number of words to read
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5045
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5046
static s32 e1000_write_eeprom_eewr(struct e1000_hw *hw, u16 offset, u16 words,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5047
				   u16 *data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5048
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5049
    u32    register_value = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5050
    u32    i              = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5051
    s32     error          = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5052
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5053
    if (e1000_swfw_sync_acquire(hw, E1000_SWFW_EEP_SM))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5054
        return -E1000_ERR_SWFW_SYNC;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5055
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5056
    for (i = 0; i < words; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5057
        register_value = (data[i] << E1000_EEPROM_RW_REG_DATA) |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5058
                         ((offset+i) << E1000_EEPROM_RW_ADDR_SHIFT) |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5059
                         E1000_EEPROM_RW_REG_START;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5060
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5061
        error = e1000_poll_eerd_eewr_done(hw, E1000_EEPROM_POLL_WRITE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5062
        if (error) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5063
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5064
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5065
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5066
        ew32(EEWR, register_value);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5067
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5068
        error = e1000_poll_eerd_eewr_done(hw, E1000_EEPROM_POLL_WRITE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5069
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5070
        if (error) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5071
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5072
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5073
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5074
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5075
    e1000_swfw_sync_release(hw, E1000_SWFW_EEP_SM);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5076
    return error;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5077
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5078
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5079
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5080
 * Polls the status bit (bit 1) of the EERD to determine when the read is done.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5081
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5082
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5083
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5084
static s32 e1000_poll_eerd_eewr_done(struct e1000_hw *hw, int eerd)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5085
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5086
    u32 attempts = 100000;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5087
    u32 i, reg = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5088
    s32 done = E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5089
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5090
    for (i = 0; i < attempts; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5091
        if (eerd == E1000_EEPROM_POLL_READ)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5092
            reg = er32(EERD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5093
        else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5094
            reg = er32(EEWR);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5095
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5096
        if (reg & E1000_EEPROM_RW_REG_DONE) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5097
            done = E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5098
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5099
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5100
        udelay(5);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5101
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5102
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5103
    return done;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5104
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5105
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5106
/***************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5107
* Description:     Determines if the onboard NVM is FLASH or EEPROM.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5108
*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5109
* hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5110
****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5111
static bool e1000_is_onboard_nvm_eeprom(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5112
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5113
    u32 eecd = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5114
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5115
    DEBUGFUNC("e1000_is_onboard_nvm_eeprom");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5116
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5117
    if (hw->mac_type == e1000_ich8lan)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5118
        return false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5119
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5120
    if (hw->mac_type == e1000_82573) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5121
        eecd = er32(EECD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5122
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5123
        /* Isolate bits 15 & 16 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5124
        eecd = ((eecd >> 15) & 0x03);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5125
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5126
        /* If both bits are set, device is Flash type */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5127
        if (eecd == 0x03) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5128
            return false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5129
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5130
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5131
    return true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5132
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5133
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5134
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5135
 * Verifies that the EEPROM has a valid checksum
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5136
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5137
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5138
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5139
 * Reads the first 64 16 bit words of the EEPROM and sums the values read.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5140
 * If the the sum of the 64 16 bit words is 0xBABA, the EEPROM's checksum is
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5141
 * valid.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5142
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5143
s32 e1000_validate_eeprom_checksum(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5144
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5145
    u16 checksum = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5146
    u16 i, eeprom_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5147
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5148
    DEBUGFUNC("e1000_validate_eeprom_checksum");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5149
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5150
    if ((hw->mac_type == e1000_82573) && !e1000_is_onboard_nvm_eeprom(hw)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5151
        /* Check bit 4 of word 10h.  If it is 0, firmware is done updating
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5152
         * 10h-12h.  Checksum may need to be fixed. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5153
        e1000_read_eeprom(hw, 0x10, 1, &eeprom_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5154
        if ((eeprom_data & 0x10) == 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5155
            /* Read 0x23 and check bit 15.  This bit is a 1 when the checksum
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5156
             * has already been fixed.  If the checksum is still wrong and this
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5157
             * bit is a 1, we need to return bad checksum.  Otherwise, we need
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5158
             * to set this bit to a 1 and update the checksum. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5159
            e1000_read_eeprom(hw, 0x23, 1, &eeprom_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5160
            if ((eeprom_data & 0x8000) == 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5161
                eeprom_data |= 0x8000;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5162
                e1000_write_eeprom(hw, 0x23, 1, &eeprom_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5163
                e1000_update_eeprom_checksum(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5164
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5165
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5166
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5167
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5168
    if (hw->mac_type == e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5169
        /* Drivers must allocate the shadow ram structure for the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5170
         * EEPROM checksum to be updated.  Otherwise, this bit as well
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5171
         * as the checksum must both be set correctly for this
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5172
         * validation to pass.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5173
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5174
        e1000_read_eeprom(hw, 0x19, 1, &eeprom_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5175
        if ((eeprom_data & 0x40) == 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5176
            eeprom_data |= 0x40;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5177
            e1000_write_eeprom(hw, 0x19, 1, &eeprom_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5178
            e1000_update_eeprom_checksum(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5179
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5180
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5181
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5182
    for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5183
        if (e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5184
            DEBUGOUT("EEPROM Read Error\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5185
            return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5186
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5187
        checksum += eeprom_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5188
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5189
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5190
    if (checksum == (u16)EEPROM_SUM)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5191
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5192
    else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5193
        DEBUGOUT("EEPROM Checksum Invalid\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5194
        return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5195
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5196
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5197
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5198
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5199
 * Calculates the EEPROM checksum and writes it to the EEPROM
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5200
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5201
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5202
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5203
 * Sums the first 63 16 bit words of the EEPROM. Subtracts the sum from 0xBABA.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5204
 * Writes the difference to word offset 63 of the EEPROM.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5205
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5206
s32 e1000_update_eeprom_checksum(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5207
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5208
    u32 ctrl_ext;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5209
    u16 checksum = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5210
    u16 i, eeprom_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5211
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5212
    DEBUGFUNC("e1000_update_eeprom_checksum");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5213
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5214
    for (i = 0; i < EEPROM_CHECKSUM_REG; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5215
        if (e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5216
            DEBUGOUT("EEPROM Read Error\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5217
            return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5218
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5219
        checksum += eeprom_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5220
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5221
    checksum = (u16)EEPROM_SUM - checksum;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5222
    if (e1000_write_eeprom(hw, EEPROM_CHECKSUM_REG, 1, &checksum) < 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5223
        DEBUGOUT("EEPROM Write Error\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5224
        return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5225
    } else if (hw->eeprom.type == e1000_eeprom_flash) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5226
        e1000_commit_shadow_ram(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5227
    } else if (hw->eeprom.type == e1000_eeprom_ich8) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5228
        e1000_commit_shadow_ram(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5229
        /* Reload the EEPROM, or else modifications will not appear
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5230
         * until after next adapter reset. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5231
        ctrl_ext = er32(CTRL_EXT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5232
        ctrl_ext |= E1000_CTRL_EXT_EE_RST;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5233
        ew32(CTRL_EXT, ctrl_ext);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5234
        msleep(10);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5235
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5236
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5237
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5238
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5239
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5240
 * Parent function for writing words to the different EEPROM types.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5241
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5242
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5243
 * offset - offset within the EEPROM to be written to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5244
 * words - number of words to write
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5245
 * data - 16 bit word to be written to the EEPROM
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5246
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5247
 * If e1000_update_eeprom_checksum is not called after this function, the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5248
 * EEPROM will most likely contain an invalid checksum.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5249
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5250
s32 e1000_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5251
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5252
    s32 ret;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5253
    spin_lock(&e1000_eeprom_lock);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5254
    ret = e1000_do_write_eeprom(hw, offset, words, data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5255
    spin_unlock(&e1000_eeprom_lock);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5256
    return ret;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5257
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5258
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5259
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5260
static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5261
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5262
    struct e1000_eeprom_info *eeprom = &hw->eeprom;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5263
    s32 status = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5264
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5265
    DEBUGFUNC("e1000_write_eeprom");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5266
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5267
    /* If eeprom is not yet detected, do so now */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5268
    if (eeprom->word_size == 0)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5269
        e1000_init_eeprom_params(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5270
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5271
    /* A check for invalid values:  offset too large, too many words, and not
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5272
     * enough words.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5273
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5274
    if ((offset >= eeprom->word_size) || (words > eeprom->word_size - offset) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5275
       (words == 0)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5276
        DEBUGOUT("\"words\" parameter out of bounds\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5277
        return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5278
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5279
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5280
    /* 82573 writes only through eewr */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5281
    if (eeprom->use_eewr)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5282
        return e1000_write_eeprom_eewr(hw, offset, words, data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5283
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5284
    if (eeprom->type == e1000_eeprom_ich8)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5285
        return e1000_write_eeprom_ich8(hw, offset, words, data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5286
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5287
    /* Prepare the EEPROM for writing  */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5288
    if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5289
        return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5290
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5291
    if (eeprom->type == e1000_eeprom_microwire) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5292
        status = e1000_write_eeprom_microwire(hw, offset, words, data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5293
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5294
        status = e1000_write_eeprom_spi(hw, offset, words, data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5295
        msleep(10);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5296
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5297
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5298
    /* Done with writing */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5299
    e1000_release_eeprom(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5300
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5301
    return status;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5302
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5303
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5304
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5305
 * Writes a 16 bit word to a given offset in an SPI EEPROM.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5306
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5307
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5308
 * offset - offset within the EEPROM to be written to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5309
 * words - number of words to write
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5310
 * data - pointer to array of 8 bit words to be written to the EEPROM
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5311
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5312
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5313
static s32 e1000_write_eeprom_spi(struct e1000_hw *hw, u16 offset, u16 words,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5314
				  u16 *data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5315
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5316
    struct e1000_eeprom_info *eeprom = &hw->eeprom;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5317
    u16 widx = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5318
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5319
    DEBUGFUNC("e1000_write_eeprom_spi");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5320
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5321
    while (widx < words) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5322
        u8 write_opcode = EEPROM_WRITE_OPCODE_SPI;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5323
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5324
        if (e1000_spi_eeprom_ready(hw)) return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5325
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5326
        e1000_standby_eeprom(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5327
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5328
        /*  Send the WRITE ENABLE command (8 bit opcode )  */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5329
        e1000_shift_out_ee_bits(hw, EEPROM_WREN_OPCODE_SPI,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5330
                                    eeprom->opcode_bits);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5331
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5332
        e1000_standby_eeprom(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5333
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5334
        /* Some SPI eeproms use the 8th address bit embedded in the opcode */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5335
        if ((eeprom->address_bits == 8) && (offset >= 128))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5336
            write_opcode |= EEPROM_A8_OPCODE_SPI;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5337
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5338
        /* Send the Write command (8-bit opcode + addr) */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5339
        e1000_shift_out_ee_bits(hw, write_opcode, eeprom->opcode_bits);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5340
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5341
        e1000_shift_out_ee_bits(hw, (u16)((offset + widx)*2),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5342
                                eeprom->address_bits);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5343
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5344
        /* Send the data */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5345
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5346
        /* Loop to allow for up to whole page write (32 bytes) of eeprom */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5347
        while (widx < words) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5348
            u16 word_out = data[widx];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5349
            word_out = (word_out >> 8) | (word_out << 8);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5350
            e1000_shift_out_ee_bits(hw, word_out, 16);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5351
            widx++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5352
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5353
            /* Some larger eeprom sizes are capable of a 32-byte PAGE WRITE
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5354
             * operation, while the smaller eeproms are capable of an 8-byte
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5355
             * PAGE WRITE operation.  Break the inner loop to pass new address
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5356
             */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5357
            if ((((offset + widx)*2) % eeprom->page_size) == 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5358
                e1000_standby_eeprom(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5359
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5360
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5361
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5362
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5363
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5364
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5365
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5366
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5367
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5368
 * Writes a 16 bit word to a given offset in a Microwire EEPROM.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5369
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5370
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5371
 * offset - offset within the EEPROM to be written to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5372
 * words - number of words to write
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5373
 * data - pointer to array of 16 bit words to be written to the EEPROM
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5374
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5375
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5376
static s32 e1000_write_eeprom_microwire(struct e1000_hw *hw, u16 offset,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5377
					u16 words, u16 *data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5378
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5379
    struct e1000_eeprom_info *eeprom = &hw->eeprom;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5380
    u32 eecd;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5381
    u16 words_written = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5382
    u16 i = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5383
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5384
    DEBUGFUNC("e1000_write_eeprom_microwire");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5385
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5386
    /* Send the write enable command to the EEPROM (3-bit opcode plus
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5387
     * 6/8-bit dummy address beginning with 11).  It's less work to include
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5388
     * the 11 of the dummy address as part of the opcode than it is to shift
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5389
     * it over the correct number of bits for the address.  This puts the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5390
     * EEPROM into write/erase mode.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5391
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5392
    e1000_shift_out_ee_bits(hw, EEPROM_EWEN_OPCODE_MICROWIRE,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5393
                            (u16)(eeprom->opcode_bits + 2));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5394
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5395
    e1000_shift_out_ee_bits(hw, 0, (u16)(eeprom->address_bits - 2));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5396
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5397
    /* Prepare the EEPROM */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5398
    e1000_standby_eeprom(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5399
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5400
    while (words_written < words) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5401
        /* Send the Write command (3-bit opcode + addr) */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5402
        e1000_shift_out_ee_bits(hw, EEPROM_WRITE_OPCODE_MICROWIRE,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5403
                                eeprom->opcode_bits);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5404
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5405
        e1000_shift_out_ee_bits(hw, (u16)(offset + words_written),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5406
                                eeprom->address_bits);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5407
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5408
        /* Send the data */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5409
        e1000_shift_out_ee_bits(hw, data[words_written], 16);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5410
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5411
        /* Toggle the CS line.  This in effect tells the EEPROM to execute
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5412
         * the previous command.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5413
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5414
        e1000_standby_eeprom(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5415
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5416
        /* Read DO repeatedly until it is high (equal to '1').  The EEPROM will
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5417
         * signal that the command has been completed by raising the DO signal.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5418
         * If DO does not go high in 10 milliseconds, then error out.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5419
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5420
        for (i = 0; i < 200; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5421
            eecd = er32(EECD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5422
            if (eecd & E1000_EECD_DO) break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5423
            udelay(50);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5424
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5425
        if (i == 200) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5426
            DEBUGOUT("EEPROM Write did not complete\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5427
            return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5428
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5429
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5430
        /* Recover from write */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5431
        e1000_standby_eeprom(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5432
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5433
        words_written++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5434
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5435
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5436
    /* Send the write disable command to the EEPROM (3-bit opcode plus
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5437
     * 6/8-bit dummy address beginning with 10).  It's less work to include
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5438
     * the 10 of the dummy address as part of the opcode than it is to shift
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5439
     * it over the correct number of bits for the address.  This takes the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5440
     * EEPROM out of write/erase mode.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5441
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5442
    e1000_shift_out_ee_bits(hw, EEPROM_EWDS_OPCODE_MICROWIRE,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5443
                            (u16)(eeprom->opcode_bits + 2));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5444
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5445
    e1000_shift_out_ee_bits(hw, 0, (u16)(eeprom->address_bits - 2));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5446
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5447
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5448
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5449
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5450
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5451
 * Flushes the cached eeprom to NVM. This is done by saving the modified values
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5452
 * in the eeprom cache and the non modified values in the currently active bank
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5453
 * to the new bank.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5454
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5455
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5456
 * offset - offset of  word in the EEPROM to read
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5457
 * data - word read from the EEPROM
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5458
 * words - number of words to read
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5459
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5460
static s32 e1000_commit_shadow_ram(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5461
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5462
    u32 attempts = 100000;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5463
    u32 eecd = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5464
    u32 flop = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5465
    u32 i = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5466
    s32 error = E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5467
    u32 old_bank_offset = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5468
    u32 new_bank_offset = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5469
    u8 low_byte = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5470
    u8 high_byte = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5471
    bool sector_write_failed = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5472
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5473
    if (hw->mac_type == e1000_82573) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5474
        /* The flop register will be used to determine if flash type is STM */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5475
        flop = er32(FLOP);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5476
        for (i=0; i < attempts; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5477
            eecd = er32(EECD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5478
            if ((eecd & E1000_EECD_FLUPD) == 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5479
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5480
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5481
            udelay(5);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5482
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5483
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5484
        if (i == attempts) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5485
            return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5486
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5487
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5488
        /* If STM opcode located in bits 15:8 of flop, reset firmware */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5489
        if ((flop & 0xFF00) == E1000_STM_OPCODE) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5490
            ew32(HICR, E1000_HICR_FW_RESET);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5491
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5492
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5493
        /* Perform the flash update */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5494
        ew32(EECD, eecd | E1000_EECD_FLUPD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5495
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5496
        for (i=0; i < attempts; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5497
            eecd = er32(EECD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5498
            if ((eecd & E1000_EECD_FLUPD) == 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5499
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5500
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5501
            udelay(5);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5502
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5503
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5504
        if (i == attempts) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5505
            return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5506
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5507
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5508
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5509
    if (hw->mac_type == e1000_ich8lan && hw->eeprom_shadow_ram != NULL) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5510
        /* We're writing to the opposite bank so if we're on bank 1,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5511
         * write to bank 0 etc.  We also need to erase the segment that
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5512
         * is going to be written */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5513
        if (!(er32(EECD) & E1000_EECD_SEC1VAL)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5514
            new_bank_offset = hw->flash_bank_size * 2;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5515
            old_bank_offset = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5516
            e1000_erase_ich8_4k_segment(hw, 1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5517
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5518
            old_bank_offset = hw->flash_bank_size * 2;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5519
            new_bank_offset = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5520
            e1000_erase_ich8_4k_segment(hw, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5521
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5522
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5523
        sector_write_failed = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5524
        /* Loop for every byte in the shadow RAM,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5525
         * which is in units of words. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5526
        for (i = 0; i < E1000_SHADOW_RAM_WORDS; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5527
            /* Determine whether to write the value stored
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5528
             * in the other NVM bank or a modified value stored
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5529
             * in the shadow RAM */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5530
            if (hw->eeprom_shadow_ram[i].modified) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5531
                low_byte = (u8)hw->eeprom_shadow_ram[i].eeprom_word;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5532
                udelay(100);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5533
                error = e1000_verify_write_ich8_byte(hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5534
                            (i << 1) + new_bank_offset, low_byte);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5535
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5536
                if (error != E1000_SUCCESS)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5537
                    sector_write_failed = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5538
                else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5539
                    high_byte =
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5540
                        (u8)(hw->eeprom_shadow_ram[i].eeprom_word >> 8);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5541
                    udelay(100);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5542
                }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5543
            } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5544
                e1000_read_ich8_byte(hw, (i << 1) + old_bank_offset,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5545
                                     &low_byte);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5546
                udelay(100);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5547
                error = e1000_verify_write_ich8_byte(hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5548
                            (i << 1) + new_bank_offset, low_byte);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5549
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5550
                if (error != E1000_SUCCESS)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5551
                    sector_write_failed = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5552
                else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5553
                    e1000_read_ich8_byte(hw, (i << 1) + old_bank_offset + 1,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5554
                                         &high_byte);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5555
                    udelay(100);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5556
                }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5557
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5558
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5559
            /* If the write of the low byte was successful, go ahead and
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5560
             * write the high byte while checking to make sure that if it
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5561
             * is the signature byte, then it is handled properly */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5562
            if (!sector_write_failed) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5563
                /* If the word is 0x13, then make sure the signature bits
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5564
                 * (15:14) are 11b until the commit has completed.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5565
                 * This will allow us to write 10b which indicates the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5566
                 * signature is valid.  We want to do this after the write
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5567
                 * has completed so that we don't mark the segment valid
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5568
                 * while the write is still in progress */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5569
                if (i == E1000_ICH_NVM_SIG_WORD)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5570
                    high_byte = E1000_ICH_NVM_SIG_MASK | high_byte;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5571
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5572
                error = e1000_verify_write_ich8_byte(hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5573
                            (i << 1) + new_bank_offset + 1, high_byte);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5574
                if (error != E1000_SUCCESS)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5575
                    sector_write_failed = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5576
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5577
            } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5578
                /* If the write failed then break from the loop and
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5579
                 * return an error */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5580
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5581
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5582
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5583
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5584
        /* Don't bother writing the segment valid bits if sector
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5585
         * programming failed. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5586
        if (!sector_write_failed) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5587
            /* Finally validate the new segment by setting bit 15:14
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5588
             * to 10b in word 0x13 , this can be done without an
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5589
             * erase as well since these bits are 11 to start with
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5590
             * and we need to change bit 14 to 0b */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5591
            e1000_read_ich8_byte(hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5592
                                 E1000_ICH_NVM_SIG_WORD * 2 + 1 + new_bank_offset,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5593
                                 &high_byte);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5594
            high_byte &= 0xBF;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5595
            error = e1000_verify_write_ich8_byte(hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5596
                        E1000_ICH_NVM_SIG_WORD * 2 + 1 + new_bank_offset, high_byte);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5597
            /* And invalidate the previously valid segment by setting
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5598
             * its signature word (0x13) high_byte to 0b. This can be
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5599
             * done without an erase because flash erase sets all bits
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5600
             * to 1's. We can write 1's to 0's without an erase */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5601
            if (error == E1000_SUCCESS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5602
                error = e1000_verify_write_ich8_byte(hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5603
                            E1000_ICH_NVM_SIG_WORD * 2 + 1 + old_bank_offset, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5604
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5605
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5606
            /* Clear the now not used entry in the cache */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5607
            for (i = 0; i < E1000_SHADOW_RAM_WORDS; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5608
                hw->eeprom_shadow_ram[i].modified = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5609
                hw->eeprom_shadow_ram[i].eeprom_word = 0xFFFF;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5610
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5611
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5612
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5613
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5614
    return error;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5615
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5616
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5617
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5618
 * Reads the adapter's MAC address from the EEPROM and inverts the LSB for the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5619
 * second function of dual function devices
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5620
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5621
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5622
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5623
s32 e1000_read_mac_addr(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5624
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5625
    u16 offset;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5626
    u16 eeprom_data, i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5627
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5628
    DEBUGFUNC("e1000_read_mac_addr");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5629
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5630
    for (i = 0; i < NODE_ADDRESS_SIZE; i += 2) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5631
        offset = i >> 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5632
        if (e1000_read_eeprom(hw, offset, 1, &eeprom_data) < 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5633
            DEBUGOUT("EEPROM Read Error\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5634
            return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5635
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5636
        hw->perm_mac_addr[i] = (u8)(eeprom_data & 0x00FF);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5637
        hw->perm_mac_addr[i+1] = (u8)(eeprom_data >> 8);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5638
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5639
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5640
    switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5641
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5642
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5643
    case e1000_82546:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5644
    case e1000_82546_rev_3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5645
    case e1000_82571:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5646
    case e1000_80003es2lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5647
        if (er32(STATUS) & E1000_STATUS_FUNC_1)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5648
            hw->perm_mac_addr[5] ^= 0x01;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5649
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5650
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5651
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5652
    for (i = 0; i < NODE_ADDRESS_SIZE; i++)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5653
        hw->mac_addr[i] = hw->perm_mac_addr[i];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5654
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5655
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5656
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5657
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5658
 * Initializes receive address filters.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5659
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5660
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5661
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5662
 * Places the MAC address in receive address register 0 and clears the rest
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5663
 * of the receive addresss registers. Clears the multicast table. Assumes
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5664
 * the receiver is in reset when the routine is called.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5665
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5666
static void e1000_init_rx_addrs(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5667
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5668
    u32 i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5669
    u32 rar_num;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5670
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5671
    DEBUGFUNC("e1000_init_rx_addrs");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5672
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5673
    /* Setup the receive address. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5674
    DEBUGOUT("Programming MAC Address into RAR[0]\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5675
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5676
    e1000_rar_set(hw, hw->mac_addr, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5677
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5678
    rar_num = E1000_RAR_ENTRIES;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5679
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5680
    /* Reserve a spot for the Locally Administered Address to work around
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5681
     * an 82571 issue in which a reset on one port will reload the MAC on
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5682
     * the other port. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5683
    if ((hw->mac_type == e1000_82571) && (hw->laa_is_present))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5684
        rar_num -= 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5685
    if (hw->mac_type == e1000_ich8lan)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5686
        rar_num = E1000_RAR_ENTRIES_ICH8LAN;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5687
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5688
    /* Zero out the other 15 receive addresses. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5689
    DEBUGOUT("Clearing RAR[1-15]\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5690
    for (i = 1; i < rar_num; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5691
        E1000_WRITE_REG_ARRAY(hw, RA, (i << 1), 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5692
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5693
        E1000_WRITE_REG_ARRAY(hw, RA, ((i << 1) + 1), 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5694
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5695
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5696
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5697
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5698
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5699
 * Hashes an address to determine its location in the multicast table
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5700
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5701
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5702
 * mc_addr - the multicast address to hash
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5703
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5704
u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5705
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5706
    u32 hash_value = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5707
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5708
    /* The portion of the address that is used for the hash table is
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5709
     * determined by the mc_filter_type setting.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5710
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5711
    switch (hw->mc_filter_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5712
    /* [0] [1] [2] [3] [4] [5]
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5713
     * 01  AA  00  12  34  56
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5714
     * LSB                 MSB
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5715
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5716
    case 0:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5717
        if (hw->mac_type == e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5718
            /* [47:38] i.e. 0x158 for above example address */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5719
            hash_value = ((mc_addr[4] >> 6) | (((u16)mc_addr[5]) << 2));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5720
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5721
            /* [47:36] i.e. 0x563 for above example address */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5722
            hash_value = ((mc_addr[4] >> 4) | (((u16)mc_addr[5]) << 4));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5723
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5724
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5725
    case 1:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5726
        if (hw->mac_type == e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5727
            /* [46:37] i.e. 0x2B1 for above example address */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5728
            hash_value = ((mc_addr[4] >> 5) | (((u16)mc_addr[5]) << 3));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5729
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5730
            /* [46:35] i.e. 0xAC6 for above example address */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5731
            hash_value = ((mc_addr[4] >> 3) | (((u16)mc_addr[5]) << 5));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5732
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5733
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5734
    case 2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5735
        if (hw->mac_type == e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5736
            /*[45:36] i.e. 0x163 for above example address */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5737
            hash_value = ((mc_addr[4] >> 4) | (((u16)mc_addr[5]) << 4));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5738
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5739
            /* [45:34] i.e. 0x5D8 for above example address */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5740
            hash_value = ((mc_addr[4] >> 2) | (((u16)mc_addr[5]) << 6));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5741
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5742
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5743
    case 3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5744
        if (hw->mac_type == e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5745
            /* [43:34] i.e. 0x18D for above example address */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5746
            hash_value = ((mc_addr[4] >> 2) | (((u16)mc_addr[5]) << 6));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5747
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5748
            /* [43:32] i.e. 0x634 for above example address */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5749
            hash_value = ((mc_addr[4]) | (((u16)mc_addr[5]) << 8));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5750
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5751
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5752
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5753
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5754
    hash_value &= 0xFFF;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5755
    if (hw->mac_type == e1000_ich8lan)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5756
        hash_value &= 0x3FF;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5757
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5758
    return hash_value;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5759
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5760
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5761
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5762
 * Sets the bit in the multicast table corresponding to the hash value.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5763
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5764
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5765
 * hash_value - Multicast address hash value
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5766
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5767
void e1000_mta_set(struct e1000_hw *hw, u32 hash_value)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5768
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5769
    u32 hash_bit, hash_reg;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5770
    u32 mta;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5771
    u32 temp;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5772
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5773
    /* The MTA is a register array of 128 32-bit registers.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5774
     * It is treated like an array of 4096 bits.  We want to set
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5775
     * bit BitArray[hash_value]. So we figure out what register
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5776
     * the bit is in, read it, OR in the new bit, then write
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5777
     * back the new value.  The register is determined by the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5778
     * upper 7 bits of the hash value and the bit within that
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5779
     * register are determined by the lower 5 bits of the value.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5780
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5781
    hash_reg = (hash_value >> 5) & 0x7F;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5782
    if (hw->mac_type == e1000_ich8lan)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5783
        hash_reg &= 0x1F;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5784
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5785
    hash_bit = hash_value & 0x1F;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5786
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5787
    mta = E1000_READ_REG_ARRAY(hw, MTA, hash_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5788
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5789
    mta |= (1 << hash_bit);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5790
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5791
    /* If we are on an 82544 and we are trying to write an odd offset
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5792
     * in the MTA, save off the previous entry before writing and
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5793
     * restore the old value after writing.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5794
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5795
    if ((hw->mac_type == e1000_82544) && ((hash_reg & 0x1) == 1)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5796
        temp = E1000_READ_REG_ARRAY(hw, MTA, (hash_reg - 1));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5797
        E1000_WRITE_REG_ARRAY(hw, MTA, hash_reg, mta);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5798
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5799
        E1000_WRITE_REG_ARRAY(hw, MTA, (hash_reg - 1), temp);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5800
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5801
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5802
        E1000_WRITE_REG_ARRAY(hw, MTA, hash_reg, mta);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5803
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5804
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5805
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5806
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5807
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5808
 * Puts an ethernet address into a receive address register.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5809
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5810
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5811
 * addr - Address to put into receive address register
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5812
 * index - Receive address register to write
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5813
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5814
void e1000_rar_set(struct e1000_hw *hw, u8 *addr, u32 index)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5815
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5816
    u32 rar_low, rar_high;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5817
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5818
    /* HW expects these in little endian so we reverse the byte order
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5819
     * from network order (big endian) to little endian
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5820
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5821
    rar_low = ((u32)addr[0] | ((u32)addr[1] << 8) |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5822
               ((u32)addr[2] << 16) | ((u32)addr[3] << 24));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5823
    rar_high = ((u32)addr[4] | ((u32)addr[5] << 8));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5824
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5825
    /* Disable Rx and flush all Rx frames before enabling RSS to avoid Rx
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5826
     * unit hang.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5827
     *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5828
     * Description:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5829
     * If there are any Rx frames queued up or otherwise present in the HW
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5830
     * before RSS is enabled, and then we enable RSS, the HW Rx unit will
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5831
     * hang.  To work around this issue, we have to disable receives and
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5832
     * flush out all Rx frames before we enable RSS. To do so, we modify we
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5833
     * redirect all Rx traffic to manageability and then reset the HW.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5834
     * This flushes away Rx frames, and (since the redirections to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5835
     * manageability persists across resets) keeps new ones from coming in
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5836
     * while we work.  Then, we clear the Address Valid AV bit for all MAC
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5837
     * addresses and undo the re-direction to manageability.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5838
     * Now, frames are coming in again, but the MAC won't accept them, so
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5839
     * far so good.  We now proceed to initialize RSS (if necessary) and
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5840
     * configure the Rx unit.  Last, we re-enable the AV bits and continue
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5841
     * on our merry way.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5842
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5843
    switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5844
    case e1000_82571:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5845
    case e1000_82572:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5846
    case e1000_80003es2lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5847
        if (hw->leave_av_bit_off)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5848
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5849
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5850
        /* Indicate to hardware the Address is Valid. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5851
        rar_high |= E1000_RAH_AV;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5852
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5853
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5854
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5855
    E1000_WRITE_REG_ARRAY(hw, RA, (index << 1), rar_low);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5856
    E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5857
    E1000_WRITE_REG_ARRAY(hw, RA, ((index << 1) + 1), rar_high);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5858
    E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5859
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5860
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5861
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5862
 * Writes a value to the specified offset in the VLAN filter table.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5863
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5864
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5865
 * offset - Offset in VLAN filer table to write
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5866
 * value - Value to write into VLAN filter table
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5867
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5868
void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5869
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5870
    u32 temp;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5871
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5872
    if (hw->mac_type == e1000_ich8lan)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5873
        return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5874
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5875
    if ((hw->mac_type == e1000_82544) && ((offset & 0x1) == 1)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5876
        temp = E1000_READ_REG_ARRAY(hw, VFTA, (offset - 1));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5877
        E1000_WRITE_REG_ARRAY(hw, VFTA, offset, value);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5878
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5879
        E1000_WRITE_REG_ARRAY(hw, VFTA, (offset - 1), temp);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5880
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5881
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5882
        E1000_WRITE_REG_ARRAY(hw, VFTA, offset, value);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5883
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5884
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5885
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5886
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5887
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5888
 * Clears the VLAN filer table
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5889
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5890
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5891
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5892
static void e1000_clear_vfta(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5893
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5894
    u32 offset;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5895
    u32 vfta_value = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5896
    u32 vfta_offset = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5897
    u32 vfta_bit_in_reg = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5898
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5899
    if (hw->mac_type == e1000_ich8lan)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5900
        return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5901
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5902
    if (hw->mac_type == e1000_82573) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5903
        if (hw->mng_cookie.vlan_id != 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5904
            /* The VFTA is a 4096b bit-field, each identifying a single VLAN
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5905
             * ID.  The following operations determine which 32b entry
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5906
             * (i.e. offset) into the array we want to set the VLAN ID
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5907
             * (i.e. bit) of the manageability unit. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5908
            vfta_offset = (hw->mng_cookie.vlan_id >>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5909
                           E1000_VFTA_ENTRY_SHIFT) &
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5910
                          E1000_VFTA_ENTRY_MASK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5911
            vfta_bit_in_reg = 1 << (hw->mng_cookie.vlan_id &
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5912
                                    E1000_VFTA_ENTRY_BIT_SHIFT_MASK);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5913
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5914
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5915
    for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5916
        /* If the offset we want to clear is the same offset of the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5917
         * manageability VLAN ID, then clear all bits except that of the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5918
         * manageability unit */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5919
        vfta_value = (offset == vfta_offset) ? vfta_bit_in_reg : 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5920
        E1000_WRITE_REG_ARRAY(hw, VFTA, offset, vfta_value);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5921
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5922
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5923
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5924
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5925
static s32 e1000_id_led_init(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5926
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5927
    u32 ledctl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5928
    const u32 ledctl_mask = 0x000000FF;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5929
    const u32 ledctl_on = E1000_LEDCTL_MODE_LED_ON;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5930
    const u32 ledctl_off = E1000_LEDCTL_MODE_LED_OFF;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5931
    u16 eeprom_data, i, temp;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5932
    const u16 led_mask = 0x0F;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5933
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5934
    DEBUGFUNC("e1000_id_led_init");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5935
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5936
    if (hw->mac_type < e1000_82540) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5937
        /* Nothing to do */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5938
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5939
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5940
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5941
    ledctl = er32(LEDCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5942
    hw->ledctl_default = ledctl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5943
    hw->ledctl_mode1 = hw->ledctl_default;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5944
    hw->ledctl_mode2 = hw->ledctl_default;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5945
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5946
    if (e1000_read_eeprom(hw, EEPROM_ID_LED_SETTINGS, 1, &eeprom_data) < 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5947
        DEBUGOUT("EEPROM Read Error\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5948
        return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5949
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5950
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5951
    if ((hw->mac_type == e1000_82573) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5952
        (eeprom_data == ID_LED_RESERVED_82573))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5953
        eeprom_data = ID_LED_DEFAULT_82573;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5954
    else if ((eeprom_data == ID_LED_RESERVED_0000) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5955
            (eeprom_data == ID_LED_RESERVED_FFFF)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5956
        if (hw->mac_type == e1000_ich8lan)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5957
            eeprom_data = ID_LED_DEFAULT_ICH8LAN;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5958
        else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5959
            eeprom_data = ID_LED_DEFAULT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5960
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5961
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5962
    for (i = 0; i < 4; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5963
        temp = (eeprom_data >> (i << 2)) & led_mask;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5964
        switch (temp) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5965
        case ID_LED_ON1_DEF2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5966
        case ID_LED_ON1_ON2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5967
        case ID_LED_ON1_OFF2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5968
            hw->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5969
            hw->ledctl_mode1 |= ledctl_on << (i << 3);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5970
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5971
        case ID_LED_OFF1_DEF2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5972
        case ID_LED_OFF1_ON2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5973
        case ID_LED_OFF1_OFF2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5974
            hw->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5975
            hw->ledctl_mode1 |= ledctl_off << (i << 3);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5976
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5977
        default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5978
            /* Do nothing */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5979
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5980
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5981
        switch (temp) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5982
        case ID_LED_DEF1_ON2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5983
        case ID_LED_ON1_ON2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5984
        case ID_LED_OFF1_ON2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5985
            hw->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5986
            hw->ledctl_mode2 |= ledctl_on << (i << 3);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5987
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5988
        case ID_LED_DEF1_OFF2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5989
        case ID_LED_ON1_OFF2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5990
        case ID_LED_OFF1_OFF2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5991
            hw->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5992
            hw->ledctl_mode2 |= ledctl_off << (i << 3);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5993
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5994
        default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5995
            /* Do nothing */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5996
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5997
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5998
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5999
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6000
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6001
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6002
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6003
 * Prepares SW controlable LED for use and saves the current state of the LED.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6004
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6005
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6006
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6007
s32 e1000_setup_led(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6008
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6009
    u32 ledctl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6010
    s32 ret_val = E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6011
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6012
    DEBUGFUNC("e1000_setup_led");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6013
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6014
    switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6015
    case e1000_82542_rev2_0:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6016
    case e1000_82542_rev2_1:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6017
    case e1000_82543:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6018
    case e1000_82544:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6019
        /* No setup necessary */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6020
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6021
    case e1000_82541:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6022
    case e1000_82547:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6023
    case e1000_82541_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6024
    case e1000_82547_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6025
        /* Turn off PHY Smart Power Down (if enabled) */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6026
        ret_val = e1000_read_phy_reg(hw, IGP01E1000_GMII_FIFO,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6027
                                     &hw->phy_spd_default);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6028
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6029
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6030
        ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6031
                                      (u16)(hw->phy_spd_default &
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6032
                                      ~IGP01E1000_GMII_SPD));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6033
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6034
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6035
        /* Fall Through */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6036
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6037
        if (hw->media_type == e1000_media_type_fiber) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6038
            ledctl = er32(LEDCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6039
            /* Save current LEDCTL settings */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6040
            hw->ledctl_default = ledctl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6041
            /* Turn off LED0 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6042
            ledctl &= ~(E1000_LEDCTL_LED0_IVRT |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6043
                        E1000_LEDCTL_LED0_BLINK |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6044
                        E1000_LEDCTL_LED0_MODE_MASK);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6045
            ledctl |= (E1000_LEDCTL_MODE_LED_OFF <<
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6046
                       E1000_LEDCTL_LED0_MODE_SHIFT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6047
            ew32(LEDCTL, ledctl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6048
        } else if (hw->media_type == e1000_media_type_copper)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6049
            ew32(LEDCTL, hw->ledctl_mode1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6050
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6051
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6052
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6053
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6054
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6055
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6056
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6057
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6058
 * Used on 82571 and later Si that has LED blink bits.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6059
 * Callers must use their own timer and should have already called
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6060
 * e1000_id_led_init()
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6061
 * Call e1000_cleanup led() to stop blinking
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6062
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6063
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6064
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6065
s32 e1000_blink_led_start(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6066
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6067
    s16  i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6068
    u32 ledctl_blink = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6069
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6070
    DEBUGFUNC("e1000_id_led_blink_on");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6071
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6072
    if (hw->mac_type < e1000_82571) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6073
        /* Nothing to do */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6074
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6075
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6076
    if (hw->media_type == e1000_media_type_fiber) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6077
        /* always blink LED0 for PCI-E fiber */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6078
        ledctl_blink = E1000_LEDCTL_LED0_BLINK |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6079
                     (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED0_MODE_SHIFT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6080
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6081
        /* set the blink bit for each LED that's "on" (0x0E) in ledctl_mode2 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6082
        ledctl_blink = hw->ledctl_mode2;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6083
        for (i=0; i < 4; i++)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6084
            if (((hw->ledctl_mode2 >> (i * 8)) & 0xFF) ==
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6085
                E1000_LEDCTL_MODE_LED_ON)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6086
                ledctl_blink |= (E1000_LEDCTL_LED0_BLINK << (i * 8));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6087
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6088
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6089
    ew32(LEDCTL, ledctl_blink);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6090
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6091
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6092
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6093
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6094
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6095
 * Restores the saved state of the SW controlable LED.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6096
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6097
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6098
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6099
s32 e1000_cleanup_led(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6100
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6101
    s32 ret_val = E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6102
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6103
    DEBUGFUNC("e1000_cleanup_led");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6104
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6105
    switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6106
    case e1000_82542_rev2_0:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6107
    case e1000_82542_rev2_1:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6108
    case e1000_82543:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6109
    case e1000_82544:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6110
        /* No cleanup necessary */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6111
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6112
    case e1000_82541:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6113
    case e1000_82547:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6114
    case e1000_82541_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6115
    case e1000_82547_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6116
        /* Turn on PHY Smart Power Down (if previously enabled) */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6117
        ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6118
                                      hw->phy_spd_default);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6119
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6120
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6121
        /* Fall Through */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6122
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6123
        if (hw->phy_type == e1000_phy_ife) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6124
            e1000_write_phy_reg(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6125
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6126
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6127
        /* Restore LEDCTL settings */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6128
        ew32(LEDCTL, hw->ledctl_default);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6129
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6130
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6131
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6132
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6133
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6134
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6135
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6136
 * Turns on the software controllable LED
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6137
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6138
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6139
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6140
s32 e1000_led_on(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6141
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6142
    u32 ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6143
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6144
    DEBUGFUNC("e1000_led_on");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6145
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6146
    switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6147
    case e1000_82542_rev2_0:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6148
    case e1000_82542_rev2_1:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6149
    case e1000_82543:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6150
        /* Set SW Defineable Pin 0 to turn on the LED */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6151
        ctrl |= E1000_CTRL_SWDPIN0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6152
        ctrl |= E1000_CTRL_SWDPIO0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6153
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6154
    case e1000_82544:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6155
        if (hw->media_type == e1000_media_type_fiber) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6156
            /* Set SW Defineable Pin 0 to turn on the LED */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6157
            ctrl |= E1000_CTRL_SWDPIN0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6158
            ctrl |= E1000_CTRL_SWDPIO0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6159
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6160
            /* Clear SW Defineable Pin 0 to turn on the LED */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6161
            ctrl &= ~E1000_CTRL_SWDPIN0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6162
            ctrl |= E1000_CTRL_SWDPIO0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6163
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6164
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6165
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6166
        if (hw->media_type == e1000_media_type_fiber) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6167
            /* Clear SW Defineable Pin 0 to turn on the LED */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6168
            ctrl &= ~E1000_CTRL_SWDPIN0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6169
            ctrl |= E1000_CTRL_SWDPIO0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6170
        } else if (hw->phy_type == e1000_phy_ife) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6171
            e1000_write_phy_reg(hw, IFE_PHY_SPECIAL_CONTROL_LED,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6172
                 (IFE_PSCL_PROBE_MODE | IFE_PSCL_PROBE_LEDS_ON));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6173
        } else if (hw->media_type == e1000_media_type_copper) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6174
            ew32(LEDCTL, hw->ledctl_mode2);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6175
            return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6176
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6177
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6178
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6179
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6180
    ew32(CTRL, ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6181
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6182
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6183
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6184
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6185
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6186
 * Turns off the software controllable LED
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6187
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6188
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6189
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6190
s32 e1000_led_off(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6191
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6192
    u32 ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6193
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6194
    DEBUGFUNC("e1000_led_off");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6195
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6196
    switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6197
    case e1000_82542_rev2_0:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6198
    case e1000_82542_rev2_1:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6199
    case e1000_82543:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6200
        /* Clear SW Defineable Pin 0 to turn off the LED */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6201
        ctrl &= ~E1000_CTRL_SWDPIN0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6202
        ctrl |= E1000_CTRL_SWDPIO0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6203
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6204
    case e1000_82544:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6205
        if (hw->media_type == e1000_media_type_fiber) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6206
            /* Clear SW Defineable Pin 0 to turn off the LED */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6207
            ctrl &= ~E1000_CTRL_SWDPIN0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6208
            ctrl |= E1000_CTRL_SWDPIO0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6209
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6210
            /* Set SW Defineable Pin 0 to turn off the LED */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6211
            ctrl |= E1000_CTRL_SWDPIN0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6212
            ctrl |= E1000_CTRL_SWDPIO0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6213
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6214
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6215
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6216
        if (hw->media_type == e1000_media_type_fiber) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6217
            /* Set SW Defineable Pin 0 to turn off the LED */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6218
            ctrl |= E1000_CTRL_SWDPIN0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6219
            ctrl |= E1000_CTRL_SWDPIO0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6220
        } else if (hw->phy_type == e1000_phy_ife) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6221
            e1000_write_phy_reg(hw, IFE_PHY_SPECIAL_CONTROL_LED,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6222
                 (IFE_PSCL_PROBE_MODE | IFE_PSCL_PROBE_LEDS_OFF));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6223
        } else if (hw->media_type == e1000_media_type_copper) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6224
            ew32(LEDCTL, hw->ledctl_mode1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6225
            return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6226
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6227
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6228
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6229
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6230
    ew32(CTRL, ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6231
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6232
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6233
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6234
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6235
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6236
 * Clears all hardware statistics counters.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6237
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6238
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6239
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6240
static void e1000_clear_hw_cntrs(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6241
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6242
    volatile u32 temp;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6243
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6244
    temp = er32(CRCERRS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6245
    temp = er32(SYMERRS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6246
    temp = er32(MPC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6247
    temp = er32(SCC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6248
    temp = er32(ECOL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6249
    temp = er32(MCC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6250
    temp = er32(LATECOL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6251
    temp = er32(COLC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6252
    temp = er32(DC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6253
    temp = er32(SEC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6254
    temp = er32(RLEC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6255
    temp = er32(XONRXC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6256
    temp = er32(XONTXC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6257
    temp = er32(XOFFRXC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6258
    temp = er32(XOFFTXC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6259
    temp = er32(FCRUC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6260
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6261
    if (hw->mac_type != e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6262
    temp = er32(PRC64);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6263
    temp = er32(PRC127);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6264
    temp = er32(PRC255);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6265
    temp = er32(PRC511);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6266
    temp = er32(PRC1023);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6267
    temp = er32(PRC1522);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6268
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6269
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6270
    temp = er32(GPRC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6271
    temp = er32(BPRC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6272
    temp = er32(MPRC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6273
    temp = er32(GPTC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6274
    temp = er32(GORCL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6275
    temp = er32(GORCH);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6276
    temp = er32(GOTCL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6277
    temp = er32(GOTCH);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6278
    temp = er32(RNBC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6279
    temp = er32(RUC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6280
    temp = er32(RFC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6281
    temp = er32(ROC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6282
    temp = er32(RJC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6283
    temp = er32(TORL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6284
    temp = er32(TORH);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6285
    temp = er32(TOTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6286
    temp = er32(TOTH);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6287
    temp = er32(TPR);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6288
    temp = er32(TPT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6289
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6290
    if (hw->mac_type != e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6291
    temp = er32(PTC64);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6292
    temp = er32(PTC127);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6293
    temp = er32(PTC255);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6294
    temp = er32(PTC511);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6295
    temp = er32(PTC1023);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6296
    temp = er32(PTC1522);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6297
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6298
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6299
    temp = er32(MPTC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6300
    temp = er32(BPTC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6301
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6302
    if (hw->mac_type < e1000_82543) return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6303
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6304
    temp = er32(ALGNERRC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6305
    temp = er32(RXERRC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6306
    temp = er32(TNCRS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6307
    temp = er32(CEXTERR);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6308
    temp = er32(TSCTC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6309
    temp = er32(TSCTFC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6310
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6311
    if (hw->mac_type <= e1000_82544) return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6312
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6313
    temp = er32(MGTPRC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6314
    temp = er32(MGTPDC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6315
    temp = er32(MGTPTC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6316
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6317
    if (hw->mac_type <= e1000_82547_rev_2) return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6318
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6319
    temp = er32(IAC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6320
    temp = er32(ICRXOC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6321
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6322
    if (hw->mac_type == e1000_ich8lan) return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6323
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6324
    temp = er32(ICRXPTC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6325
    temp = er32(ICRXATC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6326
    temp = er32(ICTXPTC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6327
    temp = er32(ICTXATC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6328
    temp = er32(ICTXQEC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6329
    temp = er32(ICTXQMTC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6330
    temp = er32(ICRXDMTC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6331
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6332
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6333
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6334
 * Resets Adaptive IFS to its default state.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6335
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6336
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6337
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6338
 * Call this after e1000_init_hw. You may override the IFS defaults by setting
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6339
 * hw->ifs_params_forced to true. However, you must initialize hw->
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6340
 * current_ifs_val, ifs_min_val, ifs_max_val, ifs_step_size, and ifs_ratio
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6341
 * before calling this function.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6342
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6343
void e1000_reset_adaptive(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6344
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6345
    DEBUGFUNC("e1000_reset_adaptive");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6346
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6347
    if (hw->adaptive_ifs) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6348
        if (!hw->ifs_params_forced) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6349
            hw->current_ifs_val = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6350
            hw->ifs_min_val = IFS_MIN;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6351
            hw->ifs_max_val = IFS_MAX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6352
            hw->ifs_step_size = IFS_STEP;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6353
            hw->ifs_ratio = IFS_RATIO;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6354
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6355
        hw->in_ifs_mode = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6356
        ew32(AIT, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6357
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6358
        DEBUGOUT("Not in Adaptive IFS mode!\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6359
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6360
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6361
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6362
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6363
 * Called during the callback/watchdog routine to update IFS value based on
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6364
 * the ratio of transmits to collisions.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6365
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6366
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6367
 * tx_packets - Number of transmits since last callback
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6368
 * total_collisions - Number of collisions since last callback
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6369
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6370
void e1000_update_adaptive(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6371
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6372
    DEBUGFUNC("e1000_update_adaptive");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6373
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6374
    if (hw->adaptive_ifs) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6375
        if ((hw->collision_delta * hw->ifs_ratio) > hw->tx_packet_delta) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6376
            if (hw->tx_packet_delta > MIN_NUM_XMITS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6377
                hw->in_ifs_mode = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6378
                if (hw->current_ifs_val < hw->ifs_max_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6379
                    if (hw->current_ifs_val == 0)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6380
                        hw->current_ifs_val = hw->ifs_min_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6381
                    else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6382
                        hw->current_ifs_val += hw->ifs_step_size;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6383
                    ew32(AIT, hw->current_ifs_val);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6384
                }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6385
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6386
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6387
            if (hw->in_ifs_mode && (hw->tx_packet_delta <= MIN_NUM_XMITS)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6388
                hw->current_ifs_val = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6389
                hw->in_ifs_mode = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6390
                ew32(AIT, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6391
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6392
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6393
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6394
        DEBUGOUT("Not in Adaptive IFS mode!\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6395
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6396
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6397
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6398
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6399
 * Adjusts the statistic counters when a frame is accepted by TBI_ACCEPT
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6400
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6401
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6402
 * frame_len - The length of the frame in question
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6403
 * mac_addr - The Ethernet destination address of the frame in question
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6404
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6405
void e1000_tbi_adjust_stats(struct e1000_hw *hw, struct e1000_hw_stats *stats,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6406
			    u32 frame_len, u8 *mac_addr)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6407
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6408
    u64 carry_bit;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6409
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6410
    /* First adjust the frame length. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6411
    frame_len--;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6412
    /* We need to adjust the statistics counters, since the hardware
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6413
     * counters overcount this packet as a CRC error and undercount
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6414
     * the packet as a good packet
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6415
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6416
    /* This packet should not be counted as a CRC error.    */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6417
    stats->crcerrs--;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6418
    /* This packet does count as a Good Packet Received.    */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6419
    stats->gprc++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6420
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6421
    /* Adjust the Good Octets received counters             */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6422
    carry_bit = 0x80000000 & stats->gorcl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6423
    stats->gorcl += frame_len;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6424
    /* If the high bit of Gorcl (the low 32 bits of the Good Octets
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6425
     * Received Count) was one before the addition,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6426
     * AND it is zero after, then we lost the carry out,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6427
     * need to add one to Gorch (Good Octets Received Count High).
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6428
     * This could be simplified if all environments supported
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6429
     * 64-bit integers.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6430
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6431
    if (carry_bit && ((stats->gorcl & 0x80000000) == 0))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6432
        stats->gorch++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6433
    /* Is this a broadcast or multicast?  Check broadcast first,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6434
     * since the test for a multicast frame will test positive on
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6435
     * a broadcast frame.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6436
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6437
    if ((mac_addr[0] == (u8)0xff) && (mac_addr[1] == (u8)0xff))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6438
        /* Broadcast packet */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6439
        stats->bprc++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6440
    else if (*mac_addr & 0x01)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6441
        /* Multicast packet */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6442
        stats->mprc++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6443
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6444
    if (frame_len == hw->max_frame_size) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6445
        /* In this case, the hardware has overcounted the number of
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6446
         * oversize frames.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6447
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6448
        if (stats->roc > 0)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6449
            stats->roc--;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6450
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6451
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6452
    /* Adjust the bin counters when the extra byte put the frame in the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6453
     * wrong bin. Remember that the frame_len was adjusted above.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6454
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6455
    if (frame_len == 64) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6456
        stats->prc64++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6457
        stats->prc127--;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6458
    } else if (frame_len == 127) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6459
        stats->prc127++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6460
        stats->prc255--;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6461
    } else if (frame_len == 255) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6462
        stats->prc255++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6463
        stats->prc511--;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6464
    } else if (frame_len == 511) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6465
        stats->prc511++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6466
        stats->prc1023--;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6467
    } else if (frame_len == 1023) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6468
        stats->prc1023++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6469
        stats->prc1522--;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6470
    } else if (frame_len == 1522) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6471
        stats->prc1522++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6472
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6473
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6474
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6475
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6476
 * Gets the current PCI bus type, speed, and width of the hardware
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6477
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6478
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6479
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6480
void e1000_get_bus_info(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6481
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6482
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6483
    u16 pci_ex_link_status;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6484
    u32 status;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6485
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6486
    switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6487
    case e1000_82542_rev2_0:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6488
    case e1000_82542_rev2_1:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6489
        hw->bus_type = e1000_bus_type_pci;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6490
        hw->bus_speed = e1000_bus_speed_unknown;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6491
        hw->bus_width = e1000_bus_width_unknown;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6492
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6493
    case e1000_82571:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6494
    case e1000_82572:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6495
    case e1000_82573:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6496
    case e1000_80003es2lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6497
        hw->bus_type = e1000_bus_type_pci_express;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6498
        hw->bus_speed = e1000_bus_speed_2500;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6499
        ret_val = e1000_read_pcie_cap_reg(hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6500
                                      PCI_EX_LINK_STATUS,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6501
                                      &pci_ex_link_status);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6502
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6503
            hw->bus_width = e1000_bus_width_unknown;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6504
        else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6505
            hw->bus_width = (pci_ex_link_status & PCI_EX_LINK_WIDTH_MASK) >>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6506
                          PCI_EX_LINK_WIDTH_SHIFT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6507
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6508
    case e1000_ich8lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6509
        hw->bus_type = e1000_bus_type_pci_express;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6510
        hw->bus_speed = e1000_bus_speed_2500;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6511
        hw->bus_width = e1000_bus_width_pciex_1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6512
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6513
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6514
        status = er32(STATUS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6515
        hw->bus_type = (status & E1000_STATUS_PCIX_MODE) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6516
                       e1000_bus_type_pcix : e1000_bus_type_pci;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6517
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6518
        if (hw->device_id == E1000_DEV_ID_82546EB_QUAD_COPPER) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6519
            hw->bus_speed = (hw->bus_type == e1000_bus_type_pci) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6520
                            e1000_bus_speed_66 : e1000_bus_speed_120;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6521
        } else if (hw->bus_type == e1000_bus_type_pci) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6522
            hw->bus_speed = (status & E1000_STATUS_PCI66) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6523
                            e1000_bus_speed_66 : e1000_bus_speed_33;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6524
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6525
            switch (status & E1000_STATUS_PCIX_SPEED) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6526
            case E1000_STATUS_PCIX_SPEED_66:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6527
                hw->bus_speed = e1000_bus_speed_66;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6528
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6529
            case E1000_STATUS_PCIX_SPEED_100:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6530
                hw->bus_speed = e1000_bus_speed_100;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6531
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6532
            case E1000_STATUS_PCIX_SPEED_133:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6533
                hw->bus_speed = e1000_bus_speed_133;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6534
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6535
            default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6536
                hw->bus_speed = e1000_bus_speed_reserved;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6537
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6538
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6539
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6540
        hw->bus_width = (status & E1000_STATUS_BUS64) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6541
                        e1000_bus_width_64 : e1000_bus_width_32;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6542
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6543
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6544
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6545
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6546
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6547
 * Writes a value to one of the devices registers using port I/O (as opposed to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6548
 * memory mapped I/O). Only 82544 and newer devices support port I/O.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6549
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6550
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6551
 * offset - offset to write to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6552
 * value - value to write
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6553
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6554
static void e1000_write_reg_io(struct e1000_hw *hw, u32 offset, u32 value)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6555
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6556
    unsigned long io_addr = hw->io_base;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6557
    unsigned long io_data = hw->io_base + 4;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6558
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6559
    e1000_io_write(hw, io_addr, offset);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6560
    e1000_io_write(hw, io_data, value);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6561
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6562
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6563
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6564
 * Estimates the cable length.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6565
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6566
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6567
 * min_length - The estimated minimum length
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6568
 * max_length - The estimated maximum length
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6569
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6570
 * returns: - E1000_ERR_XXX
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6571
 *            E1000_SUCCESS
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6572
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6573
 * This function always returns a ranged length (minimum & maximum).
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6574
 * So for M88 phy's, this function interprets the one value returned from the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6575
 * register to the minimum and maximum range.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6576
 * For IGP phy's, the function calculates the range by the AGC registers.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6577
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6578
static s32 e1000_get_cable_length(struct e1000_hw *hw, u16 *min_length,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6579
				  u16 *max_length)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6580
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6581
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6582
    u16 agc_value = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6583
    u16 i, phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6584
    u16 cable_length;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6585
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6586
    DEBUGFUNC("e1000_get_cable_length");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6587
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6588
    *min_length = *max_length = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6589
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6590
    /* Use old method for Phy older than IGP */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6591
    if (hw->phy_type == e1000_phy_m88) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6592
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6593
        ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6594
                                     &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6595
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6596
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6597
        cable_length = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6598
                       M88E1000_PSSR_CABLE_LENGTH_SHIFT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6599
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6600
        /* Convert the enum value to ranged values */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6601
        switch (cable_length) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6602
        case e1000_cable_length_50:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6603
            *min_length = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6604
            *max_length = e1000_igp_cable_length_50;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6605
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6606
        case e1000_cable_length_50_80:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6607
            *min_length = e1000_igp_cable_length_50;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6608
            *max_length = e1000_igp_cable_length_80;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6609
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6610
        case e1000_cable_length_80_110:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6611
            *min_length = e1000_igp_cable_length_80;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6612
            *max_length = e1000_igp_cable_length_110;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6613
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6614
        case e1000_cable_length_110_140:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6615
            *min_length = e1000_igp_cable_length_110;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6616
            *max_length = e1000_igp_cable_length_140;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6617
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6618
        case e1000_cable_length_140:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6619
            *min_length = e1000_igp_cable_length_140;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6620
            *max_length = e1000_igp_cable_length_170;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6621
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6622
        default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6623
            return -E1000_ERR_PHY;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6624
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6625
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6626
    } else if (hw->phy_type == e1000_phy_gg82563) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6627
        ret_val = e1000_read_phy_reg(hw, GG82563_PHY_DSP_DISTANCE,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6628
                                     &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6629
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6630
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6631
        cable_length = phy_data & GG82563_DSPD_CABLE_LENGTH;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6632
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6633
        switch (cable_length) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6634
        case e1000_gg_cable_length_60:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6635
            *min_length = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6636
            *max_length = e1000_igp_cable_length_60;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6637
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6638
        case e1000_gg_cable_length_60_115:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6639
            *min_length = e1000_igp_cable_length_60;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6640
            *max_length = e1000_igp_cable_length_115;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6641
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6642
        case e1000_gg_cable_length_115_150:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6643
            *min_length = e1000_igp_cable_length_115;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6644
            *max_length = e1000_igp_cable_length_150;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6645
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6646
        case e1000_gg_cable_length_150:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6647
            *min_length = e1000_igp_cable_length_150;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6648
            *max_length = e1000_igp_cable_length_180;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6649
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6650
        default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6651
            return -E1000_ERR_PHY;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6652
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6653
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6654
    } else if (hw->phy_type == e1000_phy_igp) { /* For IGP PHY */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6655
        u16 cur_agc_value;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6656
        u16 min_agc_value = IGP01E1000_AGC_LENGTH_TABLE_SIZE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6657
        u16 agc_reg_array[IGP01E1000_PHY_CHANNEL_NUM] =
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6658
                                                         {IGP01E1000_PHY_AGC_A,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6659
                                                          IGP01E1000_PHY_AGC_B,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6660
                                                          IGP01E1000_PHY_AGC_C,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6661
                                                          IGP01E1000_PHY_AGC_D};
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6662
        /* Read the AGC registers for all channels */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6663
        for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6664
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6665
            ret_val = e1000_read_phy_reg(hw, agc_reg_array[i], &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6666
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6667
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6668
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6669
            cur_agc_value = phy_data >> IGP01E1000_AGC_LENGTH_SHIFT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6670
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6671
            /* Value bound check. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6672
            if ((cur_agc_value >= IGP01E1000_AGC_LENGTH_TABLE_SIZE - 1) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6673
                (cur_agc_value == 0))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6674
                return -E1000_ERR_PHY;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6675
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6676
            agc_value += cur_agc_value;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6677
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6678
            /* Update minimal AGC value. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6679
            if (min_agc_value > cur_agc_value)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6680
                min_agc_value = cur_agc_value;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6681
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6682
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6683
        /* Remove the minimal AGC result for length < 50m */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6684
        if (agc_value < IGP01E1000_PHY_CHANNEL_NUM * e1000_igp_cable_length_50) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6685
            agc_value -= min_agc_value;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6686
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6687
            /* Get the average length of the remaining 3 channels */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6688
            agc_value /= (IGP01E1000_PHY_CHANNEL_NUM - 1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6689
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6690
            /* Get the average length of all the 4 channels. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6691
            agc_value /= IGP01E1000_PHY_CHANNEL_NUM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6692
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6693
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6694
        /* Set the range of the calculated length. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6695
        *min_length = ((e1000_igp_cable_length_table[agc_value] -
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6696
                       IGP01E1000_AGC_RANGE) > 0) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6697
                       (e1000_igp_cable_length_table[agc_value] -
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6698
                       IGP01E1000_AGC_RANGE) : 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6699
        *max_length = e1000_igp_cable_length_table[agc_value] +
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6700
                      IGP01E1000_AGC_RANGE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6701
    } else if (hw->phy_type == e1000_phy_igp_2 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6702
               hw->phy_type == e1000_phy_igp_3) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6703
        u16 cur_agc_index, max_agc_index = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6704
        u16 min_agc_index = IGP02E1000_AGC_LENGTH_TABLE_SIZE - 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6705
        u16 agc_reg_array[IGP02E1000_PHY_CHANNEL_NUM] =
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6706
                                                         {IGP02E1000_PHY_AGC_A,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6707
                                                          IGP02E1000_PHY_AGC_B,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6708
                                                          IGP02E1000_PHY_AGC_C,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6709
                                                          IGP02E1000_PHY_AGC_D};
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6710
        /* Read the AGC registers for all channels */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6711
        for (i = 0; i < IGP02E1000_PHY_CHANNEL_NUM; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6712
            ret_val = e1000_read_phy_reg(hw, agc_reg_array[i], &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6713
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6714
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6715
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6716
            /* Getting bits 15:9, which represent the combination of course and
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6717
             * fine gain values.  The result is a number that can be put into
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6718
             * the lookup table to obtain the approximate cable length. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6719
            cur_agc_index = (phy_data >> IGP02E1000_AGC_LENGTH_SHIFT) &
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6720
                            IGP02E1000_AGC_LENGTH_MASK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6721
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6722
            /* Array index bound check. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6723
            if ((cur_agc_index >= IGP02E1000_AGC_LENGTH_TABLE_SIZE) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6724
                (cur_agc_index == 0))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6725
                return -E1000_ERR_PHY;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6726
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6727
            /* Remove min & max AGC values from calculation. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6728
            if (e1000_igp_2_cable_length_table[min_agc_index] >
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6729
                e1000_igp_2_cable_length_table[cur_agc_index])
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6730
                min_agc_index = cur_agc_index;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6731
            if (e1000_igp_2_cable_length_table[max_agc_index] <
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6732
                e1000_igp_2_cable_length_table[cur_agc_index])
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6733
                max_agc_index = cur_agc_index;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6734
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6735
            agc_value += e1000_igp_2_cable_length_table[cur_agc_index];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6736
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6737
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6738
        agc_value -= (e1000_igp_2_cable_length_table[min_agc_index] +
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6739
                      e1000_igp_2_cable_length_table[max_agc_index]);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6740
        agc_value /= (IGP02E1000_PHY_CHANNEL_NUM - 2);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6741
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6742
        /* Calculate cable length with the error range of +/- 10 meters. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6743
        *min_length = ((agc_value - IGP02E1000_AGC_RANGE) > 0) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6744
                       (agc_value - IGP02E1000_AGC_RANGE) : 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6745
        *max_length = agc_value + IGP02E1000_AGC_RANGE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6746
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6747
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6748
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6749
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6750
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6751
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6752
 * Check the cable polarity
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6753
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6754
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6755
 * polarity - output parameter : 0 - Polarity is not reversed
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6756
 *                               1 - Polarity is reversed.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6757
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6758
 * returns: - E1000_ERR_XXX
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6759
 *            E1000_SUCCESS
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6760
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6761
 * For phy's older than IGP, this function simply reads the polarity bit in the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6762
 * Phy Status register.  For IGP phy's, this bit is valid only if link speed is
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6763
 * 10 Mbps.  If the link speed is 100 Mbps there is no polarity so this bit will
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6764
 * return 0.  If the link speed is 1000 Mbps the polarity status is in the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6765
 * IGP01E1000_PHY_PCS_INIT_REG.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6766
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6767
static s32 e1000_check_polarity(struct e1000_hw *hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6768
				e1000_rev_polarity *polarity)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6769
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6770
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6771
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6772
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6773
    DEBUGFUNC("e1000_check_polarity");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6774
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6775
    if ((hw->phy_type == e1000_phy_m88) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6776
        (hw->phy_type == e1000_phy_gg82563)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6777
        /* return the Polarity bit in the Status register. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6778
        ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6779
                                     &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6780
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6781
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6782
        *polarity = ((phy_data & M88E1000_PSSR_REV_POLARITY) >>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6783
                     M88E1000_PSSR_REV_POLARITY_SHIFT) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6784
                     e1000_rev_polarity_reversed : e1000_rev_polarity_normal;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6785
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6786
    } else if (hw->phy_type == e1000_phy_igp ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6787
              hw->phy_type == e1000_phy_igp_3 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6788
              hw->phy_type == e1000_phy_igp_2) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6789
        /* Read the Status register to check the speed */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6790
        ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6791
                                     &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6792
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6793
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6794
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6795
        /* If speed is 1000 Mbps, must read the IGP01E1000_PHY_PCS_INIT_REG to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6796
         * find the polarity status */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6797
        if ((phy_data & IGP01E1000_PSSR_SPEED_MASK) ==
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6798
           IGP01E1000_PSSR_SPEED_1000MBPS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6799
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6800
            /* Read the GIG initialization PCS register (0x00B4) */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6801
            ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6802
                                         &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6803
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6804
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6805
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6806
            /* Check the polarity bits */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6807
            *polarity = (phy_data & IGP01E1000_PHY_POLARITY_MASK) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6808
                         e1000_rev_polarity_reversed : e1000_rev_polarity_normal;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6809
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6810
            /* For 10 Mbps, read the polarity bit in the status register. (for
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6811
             * 100 Mbps this bit is always 0) */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6812
            *polarity = (phy_data & IGP01E1000_PSSR_POLARITY_REVERSED) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6813
                         e1000_rev_polarity_reversed : e1000_rev_polarity_normal;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6814
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6815
    } else if (hw->phy_type == e1000_phy_ife) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6816
        ret_val = e1000_read_phy_reg(hw, IFE_PHY_EXTENDED_STATUS_CONTROL,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6817
                                     &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6818
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6819
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6820
        *polarity = ((phy_data & IFE_PESC_POLARITY_REVERSED) >>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6821
                     IFE_PESC_POLARITY_REVERSED_SHIFT) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6822
                     e1000_rev_polarity_reversed : e1000_rev_polarity_normal;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6823
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6824
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6825
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6826
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6827
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6828
 * Check if Downshift occured
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6829
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6830
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6831
 * downshift - output parameter : 0 - No Downshift ocured.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6832
 *                                1 - Downshift ocured.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6833
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6834
 * returns: - E1000_ERR_XXX
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6835
 *            E1000_SUCCESS
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6836
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6837
 * For phy's older than IGP, this function reads the Downshift bit in the Phy
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6838
 * Specific Status register.  For IGP phy's, it reads the Downgrade bit in the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6839
 * Link Health register.  In IGP this bit is latched high, so the driver must
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6840
 * read it immediately after link is established.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6841
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6842
static s32 e1000_check_downshift(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6843
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6844
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6845
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6846
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6847
    DEBUGFUNC("e1000_check_downshift");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6848
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6849
    if (hw->phy_type == e1000_phy_igp ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6850
        hw->phy_type == e1000_phy_igp_3 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6851
        hw->phy_type == e1000_phy_igp_2) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6852
        ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_LINK_HEALTH,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6853
                                     &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6854
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6855
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6856
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6857
        hw->speed_downgraded = (phy_data & IGP01E1000_PLHR_SS_DOWNGRADE) ? 1 : 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6858
    } else if ((hw->phy_type == e1000_phy_m88) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6859
               (hw->phy_type == e1000_phy_gg82563)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6860
        ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6861
                                     &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6862
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6863
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6864
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6865
        hw->speed_downgraded = (phy_data & M88E1000_PSSR_DOWNSHIFT) >>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6866
                               M88E1000_PSSR_DOWNSHIFT_SHIFT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6867
    } else if (hw->phy_type == e1000_phy_ife) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6868
        /* e1000_phy_ife supports 10/100 speed only */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6869
        hw->speed_downgraded = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6870
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6871
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6872
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6873
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6874
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6875
/*****************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6876
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6877
 * 82541_rev_2 & 82547_rev_2 have the capability to configure the DSP when a
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6878
 * gigabit link is achieved to improve link quality.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6879
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6880
 * hw: Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6881
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6882
 * returns: - E1000_ERR_PHY if fail to read/write the PHY
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6883
 *            E1000_SUCCESS at any other case.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6884
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6885
 ****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6886
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6887
static s32 e1000_config_dsp_after_link_change(struct e1000_hw *hw, bool link_up)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6888
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6889
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6890
    u16 phy_data, phy_saved_data, speed, duplex, i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6891
    u16 dsp_reg_array[IGP01E1000_PHY_CHANNEL_NUM] =
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6892
                                        {IGP01E1000_PHY_AGC_PARAM_A,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6893
                                        IGP01E1000_PHY_AGC_PARAM_B,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6894
                                        IGP01E1000_PHY_AGC_PARAM_C,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6895
                                        IGP01E1000_PHY_AGC_PARAM_D};
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6896
    u16 min_length, max_length;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6897
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6898
    DEBUGFUNC("e1000_config_dsp_after_link_change");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6899
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6900
    if (hw->phy_type != e1000_phy_igp)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6901
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6902
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6903
    if (link_up) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6904
        ret_val = e1000_get_speed_and_duplex(hw, &speed, &duplex);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6905
        if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6906
            DEBUGOUT("Error getting link speed and duplex\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6907
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6908
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6909
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6910
        if (speed == SPEED_1000) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6911
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6912
            ret_val = e1000_get_cable_length(hw, &min_length, &max_length);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6913
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6914
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6915
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6916
            if ((hw->dsp_config_state == e1000_dsp_config_enabled) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6917
                min_length >= e1000_igp_cable_length_50) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6918
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6919
                for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6920
                    ret_val = e1000_read_phy_reg(hw, dsp_reg_array[i],
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6921
                                                 &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6922
                    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6923
                        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6924
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6925
                    phy_data &= ~IGP01E1000_PHY_EDAC_MU_INDEX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6926
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6927
                    ret_val = e1000_write_phy_reg(hw, dsp_reg_array[i],
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6928
                                                  phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6929
                    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6930
                        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6931
                }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6932
                hw->dsp_config_state = e1000_dsp_config_activated;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6933
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6934
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6935
            if ((hw->ffe_config_state == e1000_ffe_config_enabled) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6936
               (min_length < e1000_igp_cable_length_50)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6937
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6938
                u16 ffe_idle_err_timeout = FFE_IDLE_ERR_COUNT_TIMEOUT_20;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6939
                u32 idle_errs = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6940
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6941
                /* clear previous idle error counts */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6942
                ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6943
                                             &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6944
                if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6945
                    return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6946
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6947
                for (i = 0; i < ffe_idle_err_timeout; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6948
                    udelay(1000);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6949
                    ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6950
                                                 &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6951
                    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6952
                        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6953
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6954
                    idle_errs += (phy_data & SR_1000T_IDLE_ERROR_CNT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6955
                    if (idle_errs > SR_1000T_PHY_EXCESSIVE_IDLE_ERR_COUNT) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6956
                        hw->ffe_config_state = e1000_ffe_config_active;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6957
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6958
                        ret_val = e1000_write_phy_reg(hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6959
                                    IGP01E1000_PHY_DSP_FFE,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6960
                                    IGP01E1000_PHY_DSP_FFE_CM_CP);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6961
                        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6962
                            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6963
                        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6964
                    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6965
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6966
                    if (idle_errs)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6967
                        ffe_idle_err_timeout = FFE_IDLE_ERR_COUNT_TIMEOUT_100;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6968
                }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6969
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6970
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6971
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6972
        if (hw->dsp_config_state == e1000_dsp_config_activated) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6973
            /* Save off the current value of register 0x2F5B to be restored at
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6974
             * the end of the routines. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6975
            ret_val = e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6976
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6977
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6978
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6979
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6980
            /* Disable the PHY transmitter */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6981
            ret_val = e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6982
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6983
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6984
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6985
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6986
            mdelay(20);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6987
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6988
            ret_val = e1000_write_phy_reg(hw, 0x0000,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6989
                                          IGP01E1000_IEEE_FORCE_GIGA);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6990
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6991
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6992
            for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6993
                ret_val = e1000_read_phy_reg(hw, dsp_reg_array[i], &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6994
                if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6995
                    return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6996
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6997
                phy_data &= ~IGP01E1000_PHY_EDAC_MU_INDEX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6998
                phy_data |=  IGP01E1000_PHY_EDAC_SIGN_EXT_9_BITS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  6999
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7000
                ret_val = e1000_write_phy_reg(hw,dsp_reg_array[i], phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7001
                if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7002
                    return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7003
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7004
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7005
            ret_val = e1000_write_phy_reg(hw, 0x0000,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7006
                                          IGP01E1000_IEEE_RESTART_AUTONEG);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7007
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7008
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7009
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7010
            mdelay(20);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7011
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7012
            /* Now enable the transmitter */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7013
            ret_val = e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7014
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7015
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7016
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7017
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7018
            hw->dsp_config_state = e1000_dsp_config_enabled;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7019
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7020
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7021
        if (hw->ffe_config_state == e1000_ffe_config_active) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7022
            /* Save off the current value of register 0x2F5B to be restored at
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7023
             * the end of the routines. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7024
            ret_val = e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7025
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7026
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7027
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7028
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7029
            /* Disable the PHY transmitter */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7030
            ret_val = e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7031
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7032
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7033
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7034
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7035
            mdelay(20);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7036
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7037
            ret_val = e1000_write_phy_reg(hw, 0x0000,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7038
                                          IGP01E1000_IEEE_FORCE_GIGA);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7039
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7040
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7041
            ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_DSP_FFE,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7042
                                          IGP01E1000_PHY_DSP_FFE_DEFAULT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7043
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7044
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7045
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7046
            ret_val = e1000_write_phy_reg(hw, 0x0000,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7047
                                          IGP01E1000_IEEE_RESTART_AUTONEG);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7048
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7049
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7050
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7051
            mdelay(20);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7052
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7053
            /* Now enable the transmitter */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7054
            ret_val = e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7055
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7056
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7057
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7058
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7059
            hw->ffe_config_state = e1000_ffe_config_enabled;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7060
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7061
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7062
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7063
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7064
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7065
/*****************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7066
 * Set PHY to class A mode
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7067
 * Assumes the following operations will follow to enable the new class mode.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7068
 *  1. Do a PHY soft reset
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7069
 *  2. Restart auto-negotiation or force link.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7070
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7071
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7072
 ****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7073
static s32 e1000_set_phy_mode(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7074
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7075
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7076
    u16 eeprom_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7077
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7078
    DEBUGFUNC("e1000_set_phy_mode");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7079
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7080
    if ((hw->mac_type == e1000_82545_rev_3) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7081
        (hw->media_type == e1000_media_type_copper)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7082
        ret_val = e1000_read_eeprom(hw, EEPROM_PHY_CLASS_WORD, 1, &eeprom_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7083
        if (ret_val) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7084
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7085
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7086
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7087
        if ((eeprom_data != EEPROM_RESERVED_WORD) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7088
            (eeprom_data & EEPROM_PHY_CLASS_A)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7089
            ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x000B);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7090
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7091
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7092
            ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0x8104);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7093
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7094
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7095
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7096
            hw->phy_reset_disable = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7097
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7098
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7099
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7100
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7101
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7102
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7103
/*****************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7104
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7105
 * This function sets the lplu state according to the active flag.  When
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7106
 * activating lplu this function also disables smart speed and vise versa.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7107
 * lplu will not be activated unless the device autonegotiation advertisment
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7108
 * meets standards of either 10 or 10/100 or 10/100/1000 at all duplexes.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7109
 * hw: Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7110
 * active - true to enable lplu false to disable lplu.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7111
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7112
 * returns: - E1000_ERR_PHY if fail to read/write the PHY
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7113
 *            E1000_SUCCESS at any other case.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7114
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7115
 ****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7116
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7117
static s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7118
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7119
    u32 phy_ctrl = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7120
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7121
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7122
    DEBUGFUNC("e1000_set_d3_lplu_state");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7123
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7124
    if (hw->phy_type != e1000_phy_igp && hw->phy_type != e1000_phy_igp_2
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7125
        && hw->phy_type != e1000_phy_igp_3)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7126
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7127
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7128
    /* During driver activity LPLU should not be used or it will attain link
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7129
     * from the lowest speeds starting from 10Mbps. The capability is used for
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7130
     * Dx transitions and states */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7131
    if (hw->mac_type == e1000_82541_rev_2 || hw->mac_type == e1000_82547_rev_2) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7132
        ret_val = e1000_read_phy_reg(hw, IGP01E1000_GMII_FIFO, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7133
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7134
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7135
    } else if (hw->mac_type == e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7136
        /* MAC writes into PHY register based on the state transition
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7137
         * and start auto-negotiation. SW driver can overwrite the settings
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7138
         * in CSR PHY power control E1000_PHY_CTRL register. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7139
        phy_ctrl = er32(PHY_CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7140
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7141
        ret_val = e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7142
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7143
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7144
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7145
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7146
    if (!active) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7147
        if (hw->mac_type == e1000_82541_rev_2 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7148
            hw->mac_type == e1000_82547_rev_2) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7149
            phy_data &= ~IGP01E1000_GMII_FLEX_SPD;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7150
            ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7151
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7152
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7153
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7154
            if (hw->mac_type == e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7155
                phy_ctrl &= ~E1000_PHY_CTRL_NOND0A_LPLU;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7156
                ew32(PHY_CTRL, phy_ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7157
            } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7158
                phy_data &= ~IGP02E1000_PM_D3_LPLU;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7159
                ret_val = e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7160
                                              phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7161
                if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7162
                    return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7163
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7164
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7165
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7166
        /* LPLU and SmartSpeed are mutually exclusive.  LPLU is used during
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7167
         * Dx states where the power conservation is most important.  During
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7168
         * driver activity we should enable SmartSpeed, so performance is
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7169
         * maintained. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7170
        if (hw->smart_speed == e1000_smart_speed_on) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7171
            ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7172
                                         &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7173
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7174
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7175
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7176
            phy_data |= IGP01E1000_PSCFR_SMART_SPEED;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7177
            ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7178
                                          phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7179
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7180
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7181
        } else if (hw->smart_speed == e1000_smart_speed_off) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7182
            ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7183
                                         &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7184
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7185
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7186
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7187
            phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7188
            ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7189
                                          phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7190
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7191
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7192
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7193
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7194
    } else if ((hw->autoneg_advertised == AUTONEG_ADVERTISE_SPEED_DEFAULT) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7195
               (hw->autoneg_advertised == AUTONEG_ADVERTISE_10_ALL ) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7196
               (hw->autoneg_advertised == AUTONEG_ADVERTISE_10_100_ALL)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7197
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7198
        if (hw->mac_type == e1000_82541_rev_2 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7199
            hw->mac_type == e1000_82547_rev_2) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7200
            phy_data |= IGP01E1000_GMII_FLEX_SPD;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7201
            ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7202
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7203
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7204
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7205
            if (hw->mac_type == e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7206
                phy_ctrl |= E1000_PHY_CTRL_NOND0A_LPLU;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7207
                ew32(PHY_CTRL, phy_ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7208
            } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7209
                phy_data |= IGP02E1000_PM_D3_LPLU;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7210
                ret_val = e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7211
                                              phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7212
                if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7213
                    return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7214
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7215
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7216
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7217
        /* When LPLU is enabled we should disable SmartSpeed */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7218
        ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7219
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7220
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7221
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7222
        phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7223
        ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7224
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7225
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7226
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7227
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7228
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7229
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7230
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7231
/*****************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7232
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7233
 * This function sets the lplu d0 state according to the active flag.  When
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7234
 * activating lplu this function also disables smart speed and vise versa.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7235
 * lplu will not be activated unless the device autonegotiation advertisment
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7236
 * meets standards of either 10 or 10/100 or 10/100/1000 at all duplexes.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7237
 * hw: Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7238
 * active - true to enable lplu false to disable lplu.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7239
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7240
 * returns: - E1000_ERR_PHY if fail to read/write the PHY
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7241
 *            E1000_SUCCESS at any other case.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7242
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7243
 ****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7244
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7245
static s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7246
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7247
    u32 phy_ctrl = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7248
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7249
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7250
    DEBUGFUNC("e1000_set_d0_lplu_state");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7251
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7252
    if (hw->mac_type <= e1000_82547_rev_2)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7253
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7254
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7255
    if (hw->mac_type == e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7256
        phy_ctrl = er32(PHY_CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7257
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7258
        ret_val = e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7259
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7260
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7261
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7262
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7263
    if (!active) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7264
        if (hw->mac_type == e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7265
            phy_ctrl &= ~E1000_PHY_CTRL_D0A_LPLU;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7266
            ew32(PHY_CTRL, phy_ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7267
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7268
            phy_data &= ~IGP02E1000_PM_D0_LPLU;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7269
            ret_val = e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7270
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7271
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7272
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7273
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7274
        /* LPLU and SmartSpeed are mutually exclusive.  LPLU is used during
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7275
         * Dx states where the power conservation is most important.  During
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7276
         * driver activity we should enable SmartSpeed, so performance is
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7277
         * maintained. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7278
        if (hw->smart_speed == e1000_smart_speed_on) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7279
            ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7280
                                         &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7281
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7282
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7283
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7284
            phy_data |= IGP01E1000_PSCFR_SMART_SPEED;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7285
            ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7286
                                          phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7287
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7288
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7289
        } else if (hw->smart_speed == e1000_smart_speed_off) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7290
            ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7291
                                         &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7292
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7293
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7294
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7295
            phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7296
            ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7297
                                          phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7298
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7299
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7300
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7301
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7302
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7303
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7304
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7305
        if (hw->mac_type == e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7306
            phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7307
            ew32(PHY_CTRL, phy_ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7308
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7309
            phy_data |= IGP02E1000_PM_D0_LPLU;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7310
            ret_val = e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7311
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7312
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7313
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7314
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7315
        /* When LPLU is enabled we should disable SmartSpeed */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7316
        ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7317
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7318
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7319
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7320
        phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7321
        ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7322
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7323
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7324
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7325
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7326
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7327
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7328
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7329
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7330
 * Change VCO speed register to improve Bit Error Rate performance of SERDES.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7331
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7332
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7333
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7334
static s32 e1000_set_vco_speed(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7335
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7336
    s32  ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7337
    u16 default_page = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7338
    u16 phy_data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7339
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7340
    DEBUGFUNC("e1000_set_vco_speed");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7341
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7342
    switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7343
    case e1000_82545_rev_3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7344
    case e1000_82546_rev_3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7345
       break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7346
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7347
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7348
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7349
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7350
    /* Set PHY register 30, page 5, bit 8 to 0 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7351
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7352
    ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, &default_page);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7353
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7354
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7355
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7356
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0005);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7357
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7358
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7359
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7360
    ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7361
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7362
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7363
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7364
    phy_data &= ~M88E1000_PHY_VCO_REG_BIT8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7365
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7366
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7367
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7368
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7369
    /* Set PHY register 30, page 4, bit 11 to 1 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7370
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7371
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0004);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7372
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7373
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7374
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7375
    ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7376
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7377
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7378
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7379
    phy_data |= M88E1000_PHY_VCO_REG_BIT11;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7380
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7381
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7382
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7383
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7384
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, default_page);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7385
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7386
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7387
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7388
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7389
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7390
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7391
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7392
/*****************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7393
 * This function reads the cookie from ARC ram.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7394
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7395
 * returns: - E1000_SUCCESS .
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7396
 ****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7397
static s32 e1000_host_if_read_cookie(struct e1000_hw *hw, u8 *buffer)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7398
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7399
    u8 i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7400
    u32 offset = E1000_MNG_DHCP_COOKIE_OFFSET;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7401
    u8 length = E1000_MNG_DHCP_COOKIE_LENGTH;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7402
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7403
    length = (length >> 2);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7404
    offset = (offset >> 2);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7405
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7406
    for (i = 0; i < length; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7407
        *((u32 *)buffer + i) =
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7408
            E1000_READ_REG_ARRAY_DWORD(hw, HOST_IF, offset + i);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7409
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7410
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7411
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7412
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7413
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7414
/*****************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7415
 * This function checks whether the HOST IF is enabled for command operaton
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7416
 * and also checks whether the previous command is completed.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7417
 * It busy waits in case of previous command is not completed.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7418
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7419
 * returns: - E1000_ERR_HOST_INTERFACE_COMMAND in case if is not ready or
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7420
 *            timeout
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7421
 *          - E1000_SUCCESS for success.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7422
 ****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7423
static s32 e1000_mng_enable_host_if(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7424
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7425
    u32 hicr;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7426
    u8 i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7427
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7428
    /* Check that the host interface is enabled. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7429
    hicr = er32(HICR);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7430
    if ((hicr & E1000_HICR_EN) == 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7431
        DEBUGOUT("E1000_HOST_EN bit disabled.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7432
        return -E1000_ERR_HOST_INTERFACE_COMMAND;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7433
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7434
    /* check the previous command is completed */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7435
    for (i = 0; i < E1000_MNG_DHCP_COMMAND_TIMEOUT; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7436
        hicr = er32(HICR);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7437
        if (!(hicr & E1000_HICR_C))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7438
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7439
        mdelay(1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7440
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7441
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7442
    if (i == E1000_MNG_DHCP_COMMAND_TIMEOUT) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7443
        DEBUGOUT("Previous command timeout failed .\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7444
        return -E1000_ERR_HOST_INTERFACE_COMMAND;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7445
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7446
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7447
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7448
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7449
/*****************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7450
 * This function writes the buffer content at the offset given on the host if.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7451
 * It also does alignment considerations to do the writes in most efficient way.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7452
 * Also fills up the sum of the buffer in *buffer parameter.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7453
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7454
 * returns  - E1000_SUCCESS for success.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7455
 ****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7456
static s32 e1000_mng_host_if_write(struct e1000_hw *hw, u8 *buffer, u16 length,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7457
				   u16 offset, u8 *sum)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7458
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7459
    u8 *tmp;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7460
    u8 *bufptr = buffer;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7461
    u32 data = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7462
    u16 remaining, i, j, prev_bytes;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7463
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7464
    /* sum = only sum of the data and it is not checksum */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7465
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7466
    if (length == 0 || offset + length > E1000_HI_MAX_MNG_DATA_LENGTH) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7467
        return -E1000_ERR_PARAM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7468
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7469
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7470
    tmp = (u8 *)&data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7471
    prev_bytes = offset & 0x3;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7472
    offset &= 0xFFFC;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7473
    offset >>= 2;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7474
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7475
    if (prev_bytes) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7476
        data = E1000_READ_REG_ARRAY_DWORD(hw, HOST_IF, offset);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7477
        for (j = prev_bytes; j < sizeof(u32); j++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7478
            *(tmp + j) = *bufptr++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7479
            *sum += *(tmp + j);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7480
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7481
        E1000_WRITE_REG_ARRAY_DWORD(hw, HOST_IF, offset, data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7482
        length -= j - prev_bytes;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7483
        offset++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7484
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7485
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7486
    remaining = length & 0x3;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7487
    length -= remaining;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7488
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7489
    /* Calculate length in DWORDs */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7490
    length >>= 2;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7491
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7492
    /* The device driver writes the relevant command block into the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7493
     * ram area. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7494
    for (i = 0; i < length; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7495
        for (j = 0; j < sizeof(u32); j++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7496
            *(tmp + j) = *bufptr++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7497
            *sum += *(tmp + j);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7498
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7499
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7500
        E1000_WRITE_REG_ARRAY_DWORD(hw, HOST_IF, offset + i, data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7501
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7502
    if (remaining) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7503
        for (j = 0; j < sizeof(u32); j++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7504
            if (j < remaining)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7505
                *(tmp + j) = *bufptr++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7506
            else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7507
                *(tmp + j) = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7508
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7509
            *sum += *(tmp + j);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7510
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7511
        E1000_WRITE_REG_ARRAY_DWORD(hw, HOST_IF, offset + i, data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7512
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7513
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7514
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7515
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7516
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7517
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7518
/*****************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7519
 * This function writes the command header after does the checksum calculation.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7520
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7521
 * returns  - E1000_SUCCESS for success.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7522
 ****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7523
static s32 e1000_mng_write_cmd_header(struct e1000_hw *hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7524
				      struct e1000_host_mng_command_header *hdr)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7525
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7526
    u16 i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7527
    u8 sum;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7528
    u8 *buffer;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7529
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7530
    /* Write the whole command header structure which includes sum of
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7531
     * the buffer */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7532
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7533
    u16 length = sizeof(struct e1000_host_mng_command_header);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7534
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7535
    sum = hdr->checksum;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7536
    hdr->checksum = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7537
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7538
    buffer = (u8 *)hdr;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7539
    i = length;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7540
    while (i--)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7541
        sum += buffer[i];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7542
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7543
    hdr->checksum = 0 - sum;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7544
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7545
    length >>= 2;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7546
    /* The device driver writes the relevant command block into the ram area. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7547
    for (i = 0; i < length; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7548
        E1000_WRITE_REG_ARRAY_DWORD(hw, HOST_IF, i, *((u32 *)hdr + i));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7549
        E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7550
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7551
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7552
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7553
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7554
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7555
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7556
/*****************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7557
 * This function indicates to ARC that a new command is pending which completes
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7558
 * one write operation by the driver.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7559
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7560
 * returns  - E1000_SUCCESS for success.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7561
 ****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7562
static s32 e1000_mng_write_commit(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7563
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7564
    u32 hicr;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7565
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7566
    hicr = er32(HICR);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7567
    /* Setting this bit tells the ARC that a new command is pending. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7568
    ew32(HICR, hicr | E1000_HICR_C);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7569
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7570
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7571
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7572
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7573
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7574
/*****************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7575
 * This function checks the mode of the firmware.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7576
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7577
 * returns  - true when the mode is IAMT or false.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7578
 ****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7579
bool e1000_check_mng_mode(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7580
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7581
    u32 fwsm;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7582
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7583
    fwsm = er32(FWSM);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7584
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7585
    if (hw->mac_type == e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7586
        if ((fwsm & E1000_FWSM_MODE_MASK) ==
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7587
            (E1000_MNG_ICH_IAMT_MODE << E1000_FWSM_MODE_SHIFT))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7588
            return true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7589
    } else if ((fwsm & E1000_FWSM_MODE_MASK) ==
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7590
               (E1000_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7591
        return true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7592
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7593
    return false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7594
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7595
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7596
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7597
/*****************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7598
 * This function writes the dhcp info .
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7599
 ****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7600
s32 e1000_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7601
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7602
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7603
    struct e1000_host_mng_command_header hdr;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7604
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7605
    hdr.command_id = E1000_MNG_DHCP_TX_PAYLOAD_CMD;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7606
    hdr.command_length = length;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7607
    hdr.reserved1 = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7608
    hdr.reserved2 = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7609
    hdr.checksum = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7610
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7611
    ret_val = e1000_mng_enable_host_if(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7612
    if (ret_val == E1000_SUCCESS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7613
        ret_val = e1000_mng_host_if_write(hw, buffer, length, sizeof(hdr),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7614
                                          &(hdr.checksum));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7615
        if (ret_val == E1000_SUCCESS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7616
            ret_val = e1000_mng_write_cmd_header(hw, &hdr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7617
            if (ret_val == E1000_SUCCESS)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7618
                ret_val = e1000_mng_write_commit(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7619
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7620
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7621
    return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7622
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7623
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7624
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7625
/*****************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7626
 * This function calculates the checksum.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7627
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7628
 * returns  - checksum of buffer contents.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7629
 ****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7630
static u8 e1000_calculate_mng_checksum(char *buffer, u32 length)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7631
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7632
    u8 sum = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7633
    u32 i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7634
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7635
    if (!buffer)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7636
        return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7637
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7638
    for (i=0; i < length; i++)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7639
        sum += buffer[i];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7640
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7641
    return (u8)(0 - sum);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7642
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7643
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7644
/*****************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7645
 * This function checks whether tx pkt filtering needs to be enabled or not.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7646
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7647
 * returns  - true for packet filtering or false.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7648
 ****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7649
bool e1000_enable_tx_pkt_filtering(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7650
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7651
    /* called in init as well as watchdog timer functions */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7652
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7653
    s32 ret_val, checksum;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7654
    bool tx_filter = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7655
    struct e1000_host_mng_dhcp_cookie *hdr = &(hw->mng_cookie);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7656
    u8 *buffer = (u8 *) &(hw->mng_cookie);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7657
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7658
    if (e1000_check_mng_mode(hw)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7659
        ret_val = e1000_mng_enable_host_if(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7660
        if (ret_val == E1000_SUCCESS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7661
            ret_val = e1000_host_if_read_cookie(hw, buffer);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7662
            if (ret_val == E1000_SUCCESS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7663
                checksum = hdr->checksum;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7664
                hdr->checksum = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7665
                if ((hdr->signature == E1000_IAMT_SIGNATURE) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7666
                    checksum == e1000_calculate_mng_checksum((char *)buffer,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7667
                                               E1000_MNG_DHCP_COOKIE_LENGTH)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7668
                    if (hdr->status &
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7669
                        E1000_MNG_DHCP_COOKIE_STATUS_PARSING_SUPPORT)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7670
                        tx_filter = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7671
                } else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7672
                    tx_filter = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7673
            } else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7674
                tx_filter = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7675
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7676
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7677
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7678
    hw->tx_pkt_filtering = tx_filter;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7679
    return tx_filter;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7680
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7681
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7682
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7683
 * Verifies the hardware needs to allow ARPs to be processed by the host
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7684
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7685
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7686
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7687
 * returns: - true/false
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7688
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7689
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7690
u32 e1000_enable_mng_pass_thru(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7691
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7692
    u32 manc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7693
    u32 fwsm, factps;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7694
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7695
    if (hw->asf_firmware_present) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7696
        manc = er32(MANC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7697
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7698
        if (!(manc & E1000_MANC_RCV_TCO_EN) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7699
            !(manc & E1000_MANC_EN_MAC_ADDR_FILTER))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7700
            return false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7701
        if (e1000_arc_subsystem_valid(hw)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7702
            fwsm = er32(FWSM);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7703
            factps = er32(FACTPS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7704
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7705
            if ((((fwsm & E1000_FWSM_MODE_MASK) >> E1000_FWSM_MODE_SHIFT) ==
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7706
                   e1000_mng_mode_pt) && !(factps & E1000_FACTPS_MNGCG))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7707
                return true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7708
        } else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7709
            if ((manc & E1000_MANC_SMBUS_EN) && !(manc & E1000_MANC_ASF_EN))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7710
                return true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7711
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7712
    return false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7713
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7714
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7715
static s32 e1000_polarity_reversal_workaround(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7716
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7717
    s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7718
    u16 mii_status_reg;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7719
    u16 i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7720
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7721
    /* Polarity reversal workaround for forced 10F/10H links. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7722
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7723
    /* Disable the transmitter on the PHY */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7724
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7725
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0019);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7726
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7727
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7728
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFFFF);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7729
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7730
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7731
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7732
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0000);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7733
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7734
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7735
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7736
    /* This loop will early-out if the NO link condition has been met. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7737
    for (i = PHY_FORCE_TIME; i > 0; i--) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7738
        /* Read the MII Status Register and wait for Link Status bit
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7739
         * to be clear.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7740
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7741
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7742
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7743
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7744
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7745
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7746
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7747
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7748
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7749
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7750
        if ((mii_status_reg & ~MII_SR_LINK_STATUS) == 0) break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7751
        mdelay(100);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7752
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7753
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7754
    /* Recommended delay time after link has been lost */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7755
    mdelay(1000);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7756
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7757
    /* Now we will re-enable th transmitter on the PHY */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7758
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7759
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0019);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7760
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7761
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7762
    mdelay(50);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7763
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFFF0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7764
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7765
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7766
    mdelay(50);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7767
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFF00);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7768
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7769
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7770
    mdelay(50);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7771
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0x0000);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7772
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7773
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7774
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7775
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0000);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7776
    if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7777
        return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7778
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7779
    /* This loop will early-out if the link condition has been met. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7780
    for (i = PHY_FORCE_TIME; i > 0; i--) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7781
        /* Read the MII Status Register and wait for Link Status bit
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7782
         * to be set.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7783
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7784
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7785
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7786
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7787
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7788
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7789
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7790
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7791
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7792
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7793
        if (mii_status_reg & MII_SR_LINK_STATUS) break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7794
        mdelay(100);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7795
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7796
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7797
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7798
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7799
/***************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7800
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7801
 * Disables PCI-Express master access.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7802
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7803
 * hw: Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7804
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7805
 * returns: - none.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7806
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7807
 ***************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7808
static void e1000_set_pci_express_master_disable(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7809
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7810
    u32 ctrl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7811
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7812
    DEBUGFUNC("e1000_set_pci_express_master_disable");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7813
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7814
    if (hw->bus_type != e1000_bus_type_pci_express)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7815
        return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7816
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7817
    ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7818
    ctrl |= E1000_CTRL_GIO_MASTER_DISABLE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7819
    ew32(CTRL, ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7820
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7821
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7822
/*******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7823
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7824
 * Disables PCI-Express master access and verifies there are no pending requests
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7825
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7826
 * hw: Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7827
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7828
 * returns: - E1000_ERR_MASTER_REQUESTS_PENDING if master disable bit hasn't
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7829
 *            caused the master requests to be disabled.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7830
 *            E1000_SUCCESS master requests disabled.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7831
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7832
 ******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7833
s32 e1000_disable_pciex_master(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7834
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7835
    s32 timeout = MASTER_DISABLE_TIMEOUT;   /* 80ms */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7836
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7837
    DEBUGFUNC("e1000_disable_pciex_master");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7838
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7839
    if (hw->bus_type != e1000_bus_type_pci_express)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7840
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7841
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7842
    e1000_set_pci_express_master_disable(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7843
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7844
    while (timeout) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7845
        if (!(er32(STATUS) & E1000_STATUS_GIO_MASTER_ENABLE))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7846
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7847
        else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7848
            udelay(100);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7849
        timeout--;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7850
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7851
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7852
    if (!timeout) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7853
        DEBUGOUT("Master requests are pending.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7854
        return -E1000_ERR_MASTER_REQUESTS_PENDING;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7855
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7856
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7857
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7858
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7859
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7860
/*******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7861
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7862
 * Check for EEPROM Auto Read bit done.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7863
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7864
 * hw: Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7865
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7866
 * returns: - E1000_ERR_RESET if fail to reset MAC
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7867
 *            E1000_SUCCESS at any other case.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7868
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7869
 ******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7870
static s32 e1000_get_auto_rd_done(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7871
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7872
    s32 timeout = AUTO_READ_DONE_TIMEOUT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7873
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7874
    DEBUGFUNC("e1000_get_auto_rd_done");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7875
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7876
    switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7877
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7878
        msleep(5);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7879
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7880
    case e1000_82571:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7881
    case e1000_82572:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7882
    case e1000_82573:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7883
    case e1000_80003es2lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7884
    case e1000_ich8lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7885
        while (timeout) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7886
            if (er32(EECD) & E1000_EECD_AUTO_RD)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7887
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7888
            else msleep(1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7889
            timeout--;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7890
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7891
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7892
        if (!timeout) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7893
            DEBUGOUT("Auto read by HW from EEPROM has not completed.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7894
            return -E1000_ERR_RESET;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7895
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7896
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7897
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7898
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7899
    /* PHY configuration from NVM just starts after EECD_AUTO_RD sets to high.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7900
     * Need to wait for PHY configuration completion before accessing NVM
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7901
     * and PHY. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7902
    if (hw->mac_type == e1000_82573)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7903
        msleep(25);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7904
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7905
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7906
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7907
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7908
/***************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7909
 * Checks if the PHY configuration is done
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7910
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7911
 * hw: Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7912
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7913
 * returns: - E1000_ERR_RESET if fail to reset MAC
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7914
 *            E1000_SUCCESS at any other case.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7915
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7916
 ***************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7917
static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7918
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7919
    s32 timeout = PHY_CFG_TIMEOUT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7920
    u32 cfg_mask = E1000_EEPROM_CFG_DONE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7921
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7922
    DEBUGFUNC("e1000_get_phy_cfg_done");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7923
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7924
    switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7925
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7926
        mdelay(10);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7927
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7928
    case e1000_80003es2lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7929
        /* Separate *_CFG_DONE_* bit for each port */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7930
        if (er32(STATUS) & E1000_STATUS_FUNC_1)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7931
            cfg_mask = E1000_EEPROM_CFG_DONE_PORT_1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7932
        /* Fall Through */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7933
    case e1000_82571:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7934
    case e1000_82572:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7935
        while (timeout) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7936
            if (er32(EEMNGCTL) & cfg_mask)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7937
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7938
            else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7939
                msleep(1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7940
            timeout--;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7941
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7942
        if (!timeout) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7943
            DEBUGOUT("MNG configuration cycle has not completed.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7944
            return -E1000_ERR_RESET;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7945
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7946
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7947
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7948
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7949
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7950
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7951
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7952
/***************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7953
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7954
 * Using the combination of SMBI and SWESMBI semaphore bits when resetting
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7955
 * adapter or Eeprom access.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7956
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7957
 * hw: Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7958
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7959
 * returns: - E1000_ERR_EEPROM if fail to access EEPROM.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7960
 *            E1000_SUCCESS at any other case.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7961
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7962
 ***************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7963
static s32 e1000_get_hw_eeprom_semaphore(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7964
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7965
    s32 timeout;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7966
    u32 swsm;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7967
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7968
    DEBUGFUNC("e1000_get_hw_eeprom_semaphore");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7969
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7970
    if (!hw->eeprom_semaphore_present)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7971
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7972
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7973
    if (hw->mac_type == e1000_80003es2lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7974
        /* Get the SW semaphore. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7975
        if (e1000_get_software_semaphore(hw) != E1000_SUCCESS)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7976
            return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7977
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7978
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7979
    /* Get the FW semaphore. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7980
    timeout = hw->eeprom.word_size + 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7981
    while (timeout) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7982
        swsm = er32(SWSM);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7983
        swsm |= E1000_SWSM_SWESMBI;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7984
        ew32(SWSM, swsm);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7985
        /* if we managed to set the bit we got the semaphore. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7986
        swsm = er32(SWSM);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7987
        if (swsm & E1000_SWSM_SWESMBI)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7988
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7989
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7990
        udelay(50);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7991
        timeout--;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7992
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7993
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7994
    if (!timeout) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7995
        /* Release semaphores */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7996
        e1000_put_hw_eeprom_semaphore(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7997
        DEBUGOUT("Driver can't access the Eeprom - SWESMBI bit is set.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7998
        return -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  7999
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8000
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8001
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8002
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8003
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8004
/***************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8005
 * This function clears HW semaphore bits.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8006
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8007
 * hw: Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8008
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8009
 * returns: - None.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8010
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8011
 ***************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8012
static void e1000_put_hw_eeprom_semaphore(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8013
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8014
    u32 swsm;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8015
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8016
    DEBUGFUNC("e1000_put_hw_eeprom_semaphore");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8017
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8018
    if (!hw->eeprom_semaphore_present)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8019
        return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8020
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8021
    swsm = er32(SWSM);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8022
    if (hw->mac_type == e1000_80003es2lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8023
        /* Release both semaphores. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8024
        swsm &= ~(E1000_SWSM_SMBI | E1000_SWSM_SWESMBI);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8025
    } else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8026
        swsm &= ~(E1000_SWSM_SWESMBI);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8027
    ew32(SWSM, swsm);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8028
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8029
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8030
/***************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8031
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8032
 * Obtaining software semaphore bit (SMBI) before resetting PHY.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8033
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8034
 * hw: Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8035
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8036
 * returns: - E1000_ERR_RESET if fail to obtain semaphore.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8037
 *            E1000_SUCCESS at any other case.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8038
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8039
 ***************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8040
static s32 e1000_get_software_semaphore(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8041
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8042
    s32 timeout = hw->eeprom.word_size + 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8043
    u32 swsm;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8044
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8045
    DEBUGFUNC("e1000_get_software_semaphore");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8046
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8047
    if (hw->mac_type != e1000_80003es2lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8048
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8049
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8050
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8051
    while (timeout) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8052
        swsm = er32(SWSM);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8053
        /* If SMBI bit cleared, it is now set and we hold the semaphore */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8054
        if (!(swsm & E1000_SWSM_SMBI))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8055
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8056
        mdelay(1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8057
        timeout--;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8058
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8059
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8060
    if (!timeout) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8061
        DEBUGOUT("Driver can't access device - SMBI bit is set.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8062
        return -E1000_ERR_RESET;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8063
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8064
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8065
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8066
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8067
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8068
/***************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8069
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8070
 * Release semaphore bit (SMBI).
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8071
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8072
 * hw: Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8073
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8074
 ***************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8075
static void e1000_release_software_semaphore(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8076
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8077
    u32 swsm;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8078
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8079
    DEBUGFUNC("e1000_release_software_semaphore");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8080
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8081
    if (hw->mac_type != e1000_80003es2lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8082
        return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8083
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8084
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8085
    swsm = er32(SWSM);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8086
    /* Release the SW semaphores.*/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8087
    swsm &= ~E1000_SWSM_SMBI;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8088
    ew32(SWSM, swsm);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8089
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8090
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8091
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8092
 * Checks if PHY reset is blocked due to SOL/IDER session, for example.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8093
 * Returning E1000_BLK_PHY_RESET isn't necessarily an error.  But it's up to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8094
 * the caller to figure out how to deal with it.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8095
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8096
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8097
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8098
 * returns: - E1000_BLK_PHY_RESET
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8099
 *            E1000_SUCCESS
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8100
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8101
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8102
s32 e1000_check_phy_reset_block(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8103
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8104
    u32 manc = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8105
    u32 fwsm = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8106
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8107
    if (hw->mac_type == e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8108
        fwsm = er32(FWSM);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8109
        return (fwsm & E1000_FWSM_RSPCIPHY) ? E1000_SUCCESS
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8110
                                            : E1000_BLK_PHY_RESET;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8111
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8112
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8113
    if (hw->mac_type > e1000_82547_rev_2)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8114
        manc = er32(MANC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8115
    return (manc & E1000_MANC_BLK_PHY_RST_ON_IDE) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8116
        E1000_BLK_PHY_RESET : E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8117
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8118
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8119
static u8 e1000_arc_subsystem_valid(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8120
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8121
    u32 fwsm;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8122
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8123
    /* On 8257x silicon, registers in the range of 0x8800 - 0x8FFC
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8124
     * may not be provided a DMA clock when no manageability features are
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8125
     * enabled.  We do not want to perform any reads/writes to these registers
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8126
     * if this is the case.  We read FWSM to determine the manageability mode.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8127
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8128
    switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8129
    case e1000_82571:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8130
    case e1000_82572:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8131
    case e1000_82573:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8132
    case e1000_80003es2lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8133
        fwsm = er32(FWSM);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8134
        if ((fwsm & E1000_FWSM_MODE_MASK) != 0)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8135
            return true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8136
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8137
    case e1000_ich8lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8138
        return true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8139
    default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8140
        break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8141
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8142
    return false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8143
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8144
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8145
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8146
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8147
 * Configure PCI-Ex no-snoop
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8148
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8149
 * hw - Struct containing variables accessed by shared code.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8150
 * no_snoop - Bitmap of no-snoop events.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8151
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8152
 * returns: E1000_SUCCESS
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8153
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8154
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8155
static s32 e1000_set_pci_ex_no_snoop(struct e1000_hw *hw, u32 no_snoop)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8156
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8157
    u32 gcr_reg = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8158
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8159
    DEBUGFUNC("e1000_set_pci_ex_no_snoop");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8160
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8161
    if (hw->bus_type == e1000_bus_type_unknown)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8162
        e1000_get_bus_info(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8163
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8164
    if (hw->bus_type != e1000_bus_type_pci_express)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8165
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8166
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8167
    if (no_snoop) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8168
        gcr_reg = er32(GCR);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8169
        gcr_reg &= ~(PCI_EX_NO_SNOOP_ALL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8170
        gcr_reg |= no_snoop;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8171
        ew32(GCR, gcr_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8172
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8173
    if (hw->mac_type == e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8174
        u32 ctrl_ext;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8175
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8176
        ew32(GCR, PCI_EX_82566_SNOOP_ALL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8177
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8178
        ctrl_ext = er32(CTRL_EXT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8179
        ctrl_ext |= E1000_CTRL_EXT_RO_DIS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8180
        ew32(CTRL_EXT, ctrl_ext);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8181
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8182
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8183
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8184
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8185
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8186
/***************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8187
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8188
 * Get software semaphore FLAG bit (SWFLAG).
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8189
 * SWFLAG is used to synchronize the access to all shared resource between
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8190
 * SW, FW and HW.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8191
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8192
 * hw: Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8193
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8194
 ***************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8195
static s32 e1000_get_software_flag(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8196
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8197
    s32 timeout = PHY_CFG_TIMEOUT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8198
    u32 extcnf_ctrl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8199
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8200
    DEBUGFUNC("e1000_get_software_flag");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8201
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8202
    if (hw->mac_type == e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8203
        while (timeout) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8204
            extcnf_ctrl = er32(EXTCNF_CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8205
            extcnf_ctrl |= E1000_EXTCNF_CTRL_SWFLAG;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8206
            ew32(EXTCNF_CTRL, extcnf_ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8207
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8208
            extcnf_ctrl = er32(EXTCNF_CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8209
            if (extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8210
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8211
            mdelay(1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8212
            timeout--;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8213
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8214
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8215
        if (!timeout) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8216
            DEBUGOUT("FW or HW locks the resource too long.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8217
            return -E1000_ERR_CONFIG;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8218
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8219
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8220
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8221
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8222
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8223
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8224
/***************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8225
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8226
 * Release software semaphore FLAG bit (SWFLAG).
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8227
 * SWFLAG is used to synchronize the access to all shared resource between
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8228
 * SW, FW and HW.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8229
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8230
 * hw: Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8231
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8232
 ***************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8233
static void e1000_release_software_flag(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8234
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8235
    u32 extcnf_ctrl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8236
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8237
    DEBUGFUNC("e1000_release_software_flag");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8238
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8239
    if (hw->mac_type == e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8240
        extcnf_ctrl= er32(EXTCNF_CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8241
        extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8242
        ew32(EXTCNF_CTRL, extcnf_ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8243
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8244
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8245
    return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8246
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8247
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8248
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8249
 * Reads a 16 bit word or words from the EEPROM using the ICH8's flash access
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8250
 * register.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8251
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8252
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8253
 * offset - offset of word in the EEPROM to read
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8254
 * data - word read from the EEPROM
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8255
 * words - number of words to read
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8256
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8257
static s32 e1000_read_eeprom_ich8(struct e1000_hw *hw, u16 offset, u16 words,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8258
				  u16 *data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8259
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8260
    s32  error = E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8261
    u32 flash_bank = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8262
    u32 act_offset = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8263
    u32 bank_offset = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8264
    u16 word = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8265
    u16 i = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8266
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8267
    /* We need to know which is the valid flash bank.  In the event
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8268
     * that we didn't allocate eeprom_shadow_ram, we may not be
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8269
     * managing flash_bank.  So it cannot be trusted and needs
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8270
     * to be updated with each read.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8271
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8272
    /* Value of bit 22 corresponds to the flash bank we're on. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8273
    flash_bank = (er32(EECD) & E1000_EECD_SEC1VAL) ? 1 : 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8274
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8275
    /* Adjust offset appropriately if we're on bank 1 - adjust for word size */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8276
    bank_offset = flash_bank * (hw->flash_bank_size * 2);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8277
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8278
    error = e1000_get_software_flag(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8279
    if (error != E1000_SUCCESS)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8280
        return error;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8281
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8282
    for (i = 0; i < words; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8283
        if (hw->eeprom_shadow_ram != NULL &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8284
            hw->eeprom_shadow_ram[offset+i].modified) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8285
            data[i] = hw->eeprom_shadow_ram[offset+i].eeprom_word;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8286
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8287
            /* The NVM part needs a byte offset, hence * 2 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8288
            act_offset = bank_offset + ((offset + i) * 2);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8289
            error = e1000_read_ich8_word(hw, act_offset, &word);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8290
            if (error != E1000_SUCCESS)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8291
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8292
            data[i] = word;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8293
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8294
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8295
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8296
    e1000_release_software_flag(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8297
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8298
    return error;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8299
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8300
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8301
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8302
 * Writes a 16 bit word or words to the EEPROM using the ICH8's flash access
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8303
 * register.  Actually, writes are written to the shadow ram cache in the hw
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8304
 * structure hw->e1000_shadow_ram.  e1000_commit_shadow_ram flushes this to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8305
 * the NVM, which occurs when the NVM checksum is updated.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8306
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8307
 * hw - Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8308
 * offset - offset of word in the EEPROM to write
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8309
 * words - number of words to write
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8310
 * data - words to write to the EEPROM
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8311
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8312
static s32 e1000_write_eeprom_ich8(struct e1000_hw *hw, u16 offset, u16 words,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8313
				   u16 *data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8314
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8315
    u32 i = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8316
    s32 error = E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8317
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8318
    error = e1000_get_software_flag(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8319
    if (error != E1000_SUCCESS)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8320
        return error;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8321
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8322
    /* A driver can write to the NVM only if it has eeprom_shadow_ram
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8323
     * allocated.  Subsequent reads to the modified words are read from
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8324
     * this cached structure as well.  Writes will only go into this
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8325
     * cached structure unless it's followed by a call to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8326
     * e1000_update_eeprom_checksum() where it will commit the changes
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8327
     * and clear the "modified" field.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8328
     */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8329
    if (hw->eeprom_shadow_ram != NULL) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8330
        for (i = 0; i < words; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8331
            if ((offset + i) < E1000_SHADOW_RAM_WORDS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8332
                hw->eeprom_shadow_ram[offset+i].modified = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8333
                hw->eeprom_shadow_ram[offset+i].eeprom_word = data[i];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8334
            } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8335
                error = -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8336
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8337
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8338
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8339
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8340
        /* Drivers have the option to not allocate eeprom_shadow_ram as long
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8341
         * as they don't perform any NVM writes.  An attempt in doing so
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8342
         * will result in this error.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8343
         */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8344
        error = -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8345
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8346
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8347
    e1000_release_software_flag(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8348
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8349
    return error;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8350
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8351
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8352
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8353
 * This function does initial flash setup so that a new read/write/erase cycle
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8354
 * can be started.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8355
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8356
 * hw - The pointer to the hw structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8357
 ****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8358
static s32 e1000_ich8_cycle_init(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8359
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8360
    union ich8_hws_flash_status hsfsts;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8361
    s32 error = E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8362
    s32 i     = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8363
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8364
    DEBUGFUNC("e1000_ich8_cycle_init");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8365
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8366
    hsfsts.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFSTS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8367
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8368
    /* May be check the Flash Des Valid bit in Hw status */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8369
    if (hsfsts.hsf_status.fldesvalid == 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8370
        DEBUGOUT("Flash descriptor invalid.  SW Sequencing must be used.");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8371
        return error;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8372
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8373
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8374
    /* Clear FCERR in Hw status by writing 1 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8375
    /* Clear DAEL in Hw status by writing a 1 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8376
    hsfsts.hsf_status.flcerr = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8377
    hsfsts.hsf_status.dael = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8378
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8379
    E1000_WRITE_ICH_FLASH_REG16(hw, ICH_FLASH_HSFSTS, hsfsts.regval);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8380
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8381
    /* Either we should have a hardware SPI cycle in progress bit to check
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8382
     * against, in order to start a new cycle or FDONE bit should be changed
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8383
     * in the hardware so that it is 1 after harware reset, which can then be
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8384
     * used as an indication whether a cycle is in progress or has been
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8385
     * completed .. we should also have some software semaphore mechanism to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8386
     * guard FDONE or the cycle in progress bit so that two threads access to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8387
     * those bits can be sequentiallized or a way so that 2 threads dont
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8388
     * start the cycle at the same time */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8389
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8390
    if (hsfsts.hsf_status.flcinprog == 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8391
        /* There is no cycle running at present, so we can start a cycle */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8392
        /* Begin by setting Flash Cycle Done. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8393
        hsfsts.hsf_status.flcdone = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8394
        E1000_WRITE_ICH_FLASH_REG16(hw, ICH_FLASH_HSFSTS, hsfsts.regval);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8395
        error = E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8396
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8397
        /* otherwise poll for sometime so the current cycle has a chance
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8398
         * to end before giving up. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8399
        for (i = 0; i < ICH_FLASH_COMMAND_TIMEOUT; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8400
            hsfsts.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFSTS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8401
            if (hsfsts.hsf_status.flcinprog == 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8402
                error = E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8403
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8404
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8405
            udelay(1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8406
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8407
        if (error == E1000_SUCCESS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8408
            /* Successful in waiting for previous cycle to timeout,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8409
             * now set the Flash Cycle Done. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8410
            hsfsts.hsf_status.flcdone = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8411
            E1000_WRITE_ICH_FLASH_REG16(hw, ICH_FLASH_HSFSTS, hsfsts.regval);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8412
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8413
            DEBUGOUT("Flash controller busy, cannot get access");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8414
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8415
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8416
    return error;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8417
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8418
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8419
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8420
 * This function starts a flash cycle and waits for its completion
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8421
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8422
 * hw - The pointer to the hw structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8423
 ****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8424
static s32 e1000_ich8_flash_cycle(struct e1000_hw *hw, u32 timeout)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8425
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8426
    union ich8_hws_flash_ctrl hsflctl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8427
    union ich8_hws_flash_status hsfsts;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8428
    s32 error = E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8429
    u32 i = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8430
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8431
    /* Start a cycle by writing 1 in Flash Cycle Go in Hw Flash Control */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8432
    hsflctl.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8433
    hsflctl.hsf_ctrl.flcgo = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8434
    E1000_WRITE_ICH_FLASH_REG16(hw, ICH_FLASH_HSFCTL, hsflctl.regval);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8435
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8436
    /* wait till FDONE bit is set to 1 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8437
    do {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8438
        hsfsts.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFSTS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8439
        if (hsfsts.hsf_status.flcdone == 1)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8440
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8441
        udelay(1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8442
        i++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8443
    } while (i < timeout);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8444
    if (hsfsts.hsf_status.flcdone == 1 && hsfsts.hsf_status.flcerr == 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8445
        error = E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8446
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8447
    return error;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8448
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8449
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8450
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8451
 * Reads a byte or word from the NVM using the ICH8 flash access registers.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8452
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8453
 * hw - The pointer to the hw structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8454
 * index - The index of the byte or word to read.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8455
 * size - Size of data to read, 1=byte 2=word
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8456
 * data - Pointer to the word to store the value read.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8457
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8458
static s32 e1000_read_ich8_data(struct e1000_hw *hw, u32 index, u32 size,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8459
				u16 *data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8460
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8461
    union ich8_hws_flash_status hsfsts;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8462
    union ich8_hws_flash_ctrl hsflctl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8463
    u32 flash_linear_address;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8464
    u32 flash_data = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8465
    s32 error = -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8466
    s32 count = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8467
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8468
    DEBUGFUNC("e1000_read_ich8_data");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8469
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8470
    if (size < 1  || size > 2 || data == NULL ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8471
        index > ICH_FLASH_LINEAR_ADDR_MASK)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8472
        return error;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8473
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8474
    flash_linear_address = (ICH_FLASH_LINEAR_ADDR_MASK & index) +
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8475
                           hw->flash_base_addr;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8476
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8477
    do {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8478
        udelay(1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8479
        /* Steps */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8480
        error = e1000_ich8_cycle_init(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8481
        if (error != E1000_SUCCESS)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8482
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8483
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8484
        hsflctl.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8485
        /* 0b/1b corresponds to 1 or 2 byte size, respectively. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8486
        hsflctl.hsf_ctrl.fldbcount = size - 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8487
        hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_READ;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8488
        E1000_WRITE_ICH_FLASH_REG16(hw, ICH_FLASH_HSFCTL, hsflctl.regval);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8489
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8490
        /* Write the last 24 bits of index into Flash Linear address field in
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8491
         * Flash Address */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8492
        /* TODO: TBD maybe check the index against the size of flash */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8493
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8494
        E1000_WRITE_ICH_FLASH_REG(hw, ICH_FLASH_FADDR, flash_linear_address);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8495
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8496
        error = e1000_ich8_flash_cycle(hw, ICH_FLASH_COMMAND_TIMEOUT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8497
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8498
        /* Check if FCERR is set to 1, if set to 1, clear it and try the whole
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8499
         * sequence a few more times, else read in (shift in) the Flash Data0,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8500
         * the order is least significant byte first msb to lsb */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8501
        if (error == E1000_SUCCESS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8502
            flash_data = E1000_READ_ICH_FLASH_REG(hw, ICH_FLASH_FDATA0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8503
            if (size == 1) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8504
                *data = (u8)(flash_data & 0x000000FF);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8505
            } else if (size == 2) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8506
                *data = (u16)(flash_data & 0x0000FFFF);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8507
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8508
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8509
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8510
            /* If we've gotten here, then things are probably completely hosed,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8511
             * but if the error condition is detected, it won't hurt to give
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8512
             * it another try...ICH_FLASH_CYCLE_REPEAT_COUNT times.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8513
             */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8514
            hsfsts.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFSTS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8515
            if (hsfsts.hsf_status.flcerr == 1) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8516
                /* Repeat for some time before giving up. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8517
                continue;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8518
            } else if (hsfsts.hsf_status.flcdone == 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8519
                DEBUGOUT("Timeout error - flash cycle did not complete.");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8520
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8521
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8522
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8523
    } while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8524
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8525
    return error;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8526
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8527
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8528
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8529
 * Writes One /two bytes to the NVM using the ICH8 flash access registers.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8530
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8531
 * hw - The pointer to the hw structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8532
 * index - The index of the byte/word to read.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8533
 * size - Size of data to read, 1=byte 2=word
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8534
 * data - The byte(s) to write to the NVM.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8535
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8536
static s32 e1000_write_ich8_data(struct e1000_hw *hw, u32 index, u32 size,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8537
				 u16 data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8538
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8539
    union ich8_hws_flash_status hsfsts;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8540
    union ich8_hws_flash_ctrl hsflctl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8541
    u32 flash_linear_address;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8542
    u32 flash_data = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8543
    s32 error = -E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8544
    s32 count = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8545
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8546
    DEBUGFUNC("e1000_write_ich8_data");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8547
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8548
    if (size < 1  || size > 2 || data > size * 0xff ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8549
        index > ICH_FLASH_LINEAR_ADDR_MASK)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8550
        return error;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8551
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8552
    flash_linear_address = (ICH_FLASH_LINEAR_ADDR_MASK & index) +
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8553
                           hw->flash_base_addr;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8554
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8555
    do {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8556
        udelay(1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8557
        /* Steps */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8558
        error = e1000_ich8_cycle_init(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8559
        if (error != E1000_SUCCESS)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8560
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8561
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8562
        hsflctl.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8563
        /* 0b/1b corresponds to 1 or 2 byte size, respectively. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8564
        hsflctl.hsf_ctrl.fldbcount = size -1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8565
        hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_WRITE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8566
        E1000_WRITE_ICH_FLASH_REG16(hw, ICH_FLASH_HSFCTL, hsflctl.regval);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8567
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8568
        /* Write the last 24 bits of index into Flash Linear address field in
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8569
         * Flash Address */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8570
        E1000_WRITE_ICH_FLASH_REG(hw, ICH_FLASH_FADDR, flash_linear_address);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8571
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8572
        if (size == 1)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8573
            flash_data = (u32)data & 0x00FF;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8574
        else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8575
            flash_data = (u32)data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8576
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8577
        E1000_WRITE_ICH_FLASH_REG(hw, ICH_FLASH_FDATA0, flash_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8578
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8579
        /* check if FCERR is set to 1 , if set to 1, clear it and try the whole
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8580
         * sequence a few more times else done */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8581
        error = e1000_ich8_flash_cycle(hw, ICH_FLASH_COMMAND_TIMEOUT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8582
        if (error == E1000_SUCCESS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8583
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8584
        } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8585
            /* If we're here, then things are most likely completely hosed,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8586
             * but if the error condition is detected, it won't hurt to give
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8587
             * it another try...ICH_FLASH_CYCLE_REPEAT_COUNT times.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8588
             */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8589
            hsfsts.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFSTS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8590
            if (hsfsts.hsf_status.flcerr == 1) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8591
                /* Repeat for some time before giving up. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8592
                continue;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8593
            } else if (hsfsts.hsf_status.flcdone == 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8594
                DEBUGOUT("Timeout error - flash cycle did not complete.");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8595
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8596
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8597
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8598
    } while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8599
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8600
    return error;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8601
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8602
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8603
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8604
 * Reads a single byte from the NVM using the ICH8 flash access registers.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8605
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8606
 * hw - pointer to e1000_hw structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8607
 * index - The index of the byte to read.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8608
 * data - Pointer to a byte to store the value read.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8609
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8610
static s32 e1000_read_ich8_byte(struct e1000_hw *hw, u32 index, u8 *data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8611
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8612
    s32 status = E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8613
    u16 word = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8614
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8615
    status = e1000_read_ich8_data(hw, index, 1, &word);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8616
    if (status == E1000_SUCCESS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8617
        *data = (u8)word;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8618
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8619
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8620
    return status;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8621
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8622
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8623
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8624
 * Writes a single byte to the NVM using the ICH8 flash access registers.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8625
 * Performs verification by reading back the value and then going through
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8626
 * a retry algorithm before giving up.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8627
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8628
 * hw - pointer to e1000_hw structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8629
 * index - The index of the byte to write.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8630
 * byte - The byte to write to the NVM.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8631
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8632
static s32 e1000_verify_write_ich8_byte(struct e1000_hw *hw, u32 index, u8 byte)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8633
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8634
    s32 error = E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8635
    s32 program_retries = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8636
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8637
    DEBUGOUT2("Byte := %2.2X Offset := %d\n", byte, index);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8638
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8639
    error = e1000_write_ich8_byte(hw, index, byte);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8640
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8641
    if (error != E1000_SUCCESS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8642
        for (program_retries = 0; program_retries < 100; program_retries++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8643
            DEBUGOUT2("Retrying \t Byte := %2.2X Offset := %d\n", byte, index);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8644
            error = e1000_write_ich8_byte(hw, index, byte);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8645
            udelay(100);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8646
            if (error == E1000_SUCCESS)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8647
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8648
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8649
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8650
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8651
    if (program_retries == 100)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8652
        error = E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8653
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8654
    return error;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8655
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8656
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8657
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8658
 * Writes a single byte to the NVM using the ICH8 flash access registers.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8659
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8660
 * hw - pointer to e1000_hw structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8661
 * index - The index of the byte to read.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8662
 * data - The byte to write to the NVM.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8663
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8664
static s32 e1000_write_ich8_byte(struct e1000_hw *hw, u32 index, u8 data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8665
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8666
    s32 status = E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8667
    u16 word = (u16)data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8668
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8669
    status = e1000_write_ich8_data(hw, index, 1, word);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8670
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8671
    return status;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8672
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8673
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8674
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8675
 * Reads a word from the NVM using the ICH8 flash access registers.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8676
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8677
 * hw - pointer to e1000_hw structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8678
 * index - The starting byte index of the word to read.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8679
 * data - Pointer to a word to store the value read.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8680
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8681
static s32 e1000_read_ich8_word(struct e1000_hw *hw, u32 index, u16 *data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8682
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8683
    s32 status = E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8684
    status = e1000_read_ich8_data(hw, index, 2, data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8685
    return status;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8686
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8687
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8688
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8689
 * Erases the bank specified. Each bank may be a 4, 8 or 64k block. Banks are 0
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8690
 * based.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8691
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8692
 * hw - pointer to e1000_hw structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8693
 * bank - 0 for first bank, 1 for second bank
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8694
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8695
 * Note that this function may actually erase as much as 8 or 64 KBytes.  The
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8696
 * amount of NVM used in each bank is a *minimum* of 4 KBytes, but in fact the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8697
 * bank size may be 4, 8 or 64 KBytes
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8698
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8699
static s32 e1000_erase_ich8_4k_segment(struct e1000_hw *hw, u32 bank)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8700
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8701
    union ich8_hws_flash_status hsfsts;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8702
    union ich8_hws_flash_ctrl hsflctl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8703
    u32 flash_linear_address;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8704
    s32  count = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8705
    s32  error = E1000_ERR_EEPROM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8706
    s32  iteration;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8707
    s32  sub_sector_size = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8708
    s32  bank_size;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8709
    s32  j = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8710
    s32  error_flag = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8711
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8712
    hsfsts.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFSTS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8713
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8714
    /* Determine HW Sector size: Read BERASE bits of Hw flash Status register */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8715
    /* 00: The Hw sector is 256 bytes, hence we need to erase 16
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8716
     *     consecutive sectors.  The start index for the nth Hw sector can be
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8717
     *     calculated as bank * 4096 + n * 256
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8718
     * 01: The Hw sector is 4K bytes, hence we need to erase 1 sector.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8719
     *     The start index for the nth Hw sector can be calculated
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8720
     *     as bank * 4096
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8721
     * 10: The HW sector is 8K bytes
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8722
     * 11: The Hw sector size is 64K bytes */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8723
    if (hsfsts.hsf_status.berasesz == 0x0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8724
        /* Hw sector size 256 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8725
        sub_sector_size = ICH_FLASH_SEG_SIZE_256;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8726
        bank_size = ICH_FLASH_SECTOR_SIZE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8727
        iteration = ICH_FLASH_SECTOR_SIZE / ICH_FLASH_SEG_SIZE_256;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8728
    } else if (hsfsts.hsf_status.berasesz == 0x1) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8729
        bank_size = ICH_FLASH_SEG_SIZE_4K;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8730
        iteration = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8731
    } else if (hsfsts.hsf_status.berasesz == 0x3) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8732
        bank_size = ICH_FLASH_SEG_SIZE_64K;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8733
        iteration = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8734
    } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8735
        return error;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8736
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8737
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8738
    for (j = 0; j < iteration ; j++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8739
        do {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8740
            count++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8741
            /* Steps */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8742
            error = e1000_ich8_cycle_init(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8743
            if (error != E1000_SUCCESS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8744
                error_flag = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8745
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8746
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8747
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8748
            /* Write a value 11 (block Erase) in Flash Cycle field in Hw flash
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8749
             * Control */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8750
            hsflctl.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8751
            hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_ERASE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8752
            E1000_WRITE_ICH_FLASH_REG16(hw, ICH_FLASH_HSFCTL, hsflctl.regval);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8753
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8754
            /* Write the last 24 bits of an index within the block into Flash
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8755
             * Linear address field in Flash Address.  This probably needs to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8756
             * be calculated here based off the on-chip erase sector size and
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8757
             * the software bank size (4, 8 or 64 KBytes) */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8758
            flash_linear_address = bank * bank_size + j * sub_sector_size;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8759
            flash_linear_address += hw->flash_base_addr;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8760
            flash_linear_address &= ICH_FLASH_LINEAR_ADDR_MASK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8761
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8762
            E1000_WRITE_ICH_FLASH_REG(hw, ICH_FLASH_FADDR, flash_linear_address);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8763
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8764
            error = e1000_ich8_flash_cycle(hw, ICH_FLASH_ERASE_TIMEOUT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8765
            /* Check if FCERR is set to 1.  If 1, clear it and try the whole
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8766
             * sequence a few more times else Done */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8767
            if (error == E1000_SUCCESS) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8768
                break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8769
            } else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8770
                hsfsts.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFSTS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8771
                if (hsfsts.hsf_status.flcerr == 1) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8772
                    /* repeat for some time before giving up */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8773
                    continue;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8774
                } else if (hsfsts.hsf_status.flcdone == 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8775
                    error_flag = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8776
                    break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8777
                }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8778
            }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8779
        } while ((count < ICH_FLASH_CYCLE_REPEAT_COUNT) && !error_flag);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8780
        if (error_flag == 1)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8781
            break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8782
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8783
    if (error_flag != 1)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8784
        error = E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8785
    return error;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8786
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8787
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8788
static s32 e1000_init_lcd_from_nvm_config_region(struct e1000_hw *hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8789
						 u32 cnf_base_addr,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8790
						 u32 cnf_size)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8791
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8792
    u32 ret_val = E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8793
    u16 word_addr, reg_data, reg_addr;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8794
    u16 i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8795
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8796
    /* cnf_base_addr is in DWORD */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8797
    word_addr = (u16)(cnf_base_addr << 1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8798
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8799
    /* cnf_size is returned in size of dwords */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8800
    for (i = 0; i < cnf_size; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8801
        ret_val = e1000_read_eeprom(hw, (word_addr + i*2), 1, &reg_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8802
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8803
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8804
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8805
        ret_val = e1000_read_eeprom(hw, (word_addr + i*2 + 1), 1, &reg_addr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8806
        if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8807
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8808
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8809
        ret_val = e1000_get_software_flag(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8810
        if (ret_val != E1000_SUCCESS)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8811
            return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8812
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8813
        ret_val = e1000_write_phy_reg_ex(hw, (u32)reg_addr, reg_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8814
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8815
        e1000_release_software_flag(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8816
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8817
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8818
    return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8819
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8820
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8821
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8822
/******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8823
 * This function initializes the PHY from the NVM on ICH8 platforms. This
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8824
 * is needed due to an issue where the NVM configuration is not properly
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8825
 * autoloaded after power transitions. Therefore, after each PHY reset, we
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8826
 * will load the configuration data out of the NVM manually.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8827
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8828
 * hw: Struct containing variables accessed by shared code
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8829
 *****************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8830
static s32 e1000_init_lcd_from_nvm(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8831
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8832
    u32 reg_data, cnf_base_addr, cnf_size, ret_val, loop;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8833
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8834
    if (hw->phy_type != e1000_phy_igp_3)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8835
          return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8836
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8837
    /* Check if SW needs configure the PHY */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8838
    reg_data = er32(FEXTNVM);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8839
    if (!(reg_data & FEXTNVM_SW_CONFIG))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8840
        return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8841
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8842
    /* Wait for basic configuration completes before proceeding*/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8843
    loop = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8844
    do {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8845
        reg_data = er32(STATUS) & E1000_STATUS_LAN_INIT_DONE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8846
        udelay(100);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8847
        loop++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8848
    } while ((!reg_data) && (loop < 50));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8849
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8850
    /* Clear the Init Done bit for the next init event */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8851
    reg_data = er32(STATUS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8852
    reg_data &= ~E1000_STATUS_LAN_INIT_DONE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8853
    ew32(STATUS, reg_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8854
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8855
    /* Make sure HW does not configure LCD from PHY extended configuration
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8856
       before SW configuration */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8857
    reg_data = er32(EXTCNF_CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8858
    if ((reg_data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE) == 0x0000) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8859
        reg_data = er32(EXTCNF_SIZE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8860
        cnf_size = reg_data & E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8861
        cnf_size >>= 16;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8862
        if (cnf_size) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8863
            reg_data = er32(EXTCNF_CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8864
            cnf_base_addr = reg_data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8865
            /* cnf_base_addr is in DWORD */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8866
            cnf_base_addr >>= 16;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8867
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8868
            /* Configure LCD from extended configuration region. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8869
            ret_val = e1000_init_lcd_from_nvm_config_region(hw, cnf_base_addr,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8870
                                                            cnf_size);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8871
            if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8872
                return ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8873
        }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8874
    }
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8875
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8876
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8877
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  8878