devices/e1000/e1000_hw-2.6.32-ethercat.c
author Florian Pose <fp@igh-essen.com>
Tue, 05 Feb 2013 16:45:34 +0100
branchstable-1.5
changeset 2505 5ef3197e5e1f
parent 2199 15babd8d4205
permissions -rw-r--r--
Added ecrt_slave_config_reg_so_entry_pos() to register non-unique entries.
2199
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     1
/*******************************************************************************
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     2
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     3
  Intel PRO/1000 Linux driver
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     4
  Copyright(c) 1999 - 2006 Intel Corporation.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     5
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     6
  This program is free software; you can redistribute it and/or modify it
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     7
  under the terms and conditions of the GNU General Public License,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     8
  version 2, as published by the Free Software Foundation.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     9
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    10
  This program is distributed in the hope it will be useful, but WITHOUT
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    11
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    12
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    13
  more details.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    14
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    15
  You should have received a copy of the GNU General Public License along with
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    16
  this program; if not, write to the Free Software Foundation, Inc.,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    17
  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    18
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    19
  The full GNU General Public License is included in this distribution in
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    20
  the file called "COPYING".
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    21
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    22
  Contact Information:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    23
  Linux NICS <linux.nics@intel.com>
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    24
  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    25
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    26
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    27
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    28
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    29
/* e1000_hw.c
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    30
 * Shared functions for accessing and configuring the MAC
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    31
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    32
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    33
#include "e1000_hw-2.6.32-ethercat.h"
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    34
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    35
static s32 e1000_check_downshift(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    36
static s32 e1000_check_polarity(struct e1000_hw *hw,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    37
				e1000_rev_polarity *polarity);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    38
static void e1000_clear_hw_cntrs(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    39
static void e1000_clear_vfta(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    40
static s32 e1000_config_dsp_after_link_change(struct e1000_hw *hw,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    41
					      bool link_up);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    42
static s32 e1000_config_fc_after_link_up(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    43
static s32 e1000_detect_gig_phy(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    44
static s32 e1000_get_auto_rd_done(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    45
static s32 e1000_get_cable_length(struct e1000_hw *hw, u16 *min_length,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    46
				  u16 *max_length);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    47
static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    48
static s32 e1000_id_led_init(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    49
static void e1000_init_rx_addrs(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    50
static s32 e1000_phy_igp_get_info(struct e1000_hw *hw,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    51
				  struct e1000_phy_info *phy_info);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    52
static s32 e1000_phy_m88_get_info(struct e1000_hw *hw,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    53
				  struct e1000_phy_info *phy_info);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    54
static s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    55
static s32 e1000_wait_autoneg(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    56
static void e1000_write_reg_io(struct e1000_hw *hw, u32 offset, u32 value);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    57
static s32 e1000_set_phy_type(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    58
static void e1000_phy_init_script(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    59
static s32 e1000_setup_copper_link(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    60
static s32 e1000_setup_fiber_serdes_link(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    61
static s32 e1000_adjust_serdes_amplitude(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    62
static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    63
static s32 e1000_config_mac_to_phy(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    64
static void e1000_raise_mdi_clk(struct e1000_hw *hw, u32 *ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    65
static void e1000_lower_mdi_clk(struct e1000_hw *hw, u32 *ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    66
static void e1000_shift_out_mdi_bits(struct e1000_hw *hw, u32 data, u16 count);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    67
static u16 e1000_shift_in_mdi_bits(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    68
static s32 e1000_phy_reset_dsp(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    69
static s32 e1000_write_eeprom_spi(struct e1000_hw *hw, u16 offset,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    70
				  u16 words, u16 *data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    71
static s32 e1000_write_eeprom_microwire(struct e1000_hw *hw, u16 offset,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    72
					u16 words, u16 *data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    73
static s32 e1000_spi_eeprom_ready(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    74
static void e1000_raise_ee_clk(struct e1000_hw *hw, u32 *eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    75
static void e1000_lower_ee_clk(struct e1000_hw *hw, u32 *eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    76
static void e1000_shift_out_ee_bits(struct e1000_hw *hw, u16 data, u16 count);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    77
static s32 e1000_write_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    78
				  u16 phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    79
static s32 e1000_read_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    80
				 u16 *phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    81
static u16 e1000_shift_in_ee_bits(struct e1000_hw *hw, u16 count);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    82
static s32 e1000_acquire_eeprom(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    83
static void e1000_release_eeprom(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    84
static void e1000_standby_eeprom(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    85
static s32 e1000_set_vco_speed(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    86
static s32 e1000_polarity_reversal_workaround(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    87
static s32 e1000_set_phy_mode(struct e1000_hw *hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    88
static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    89
				u16 *data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    90
static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    91
				 u16 *data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    92
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    93
/* IGP cable length table */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    94
static const
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    95
u16 e1000_igp_cable_length_table[IGP01E1000_AGC_LENGTH_TABLE_SIZE] = {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    96
	5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    97
	5, 10, 10, 10, 10, 10, 10, 10, 20, 20, 20, 20, 20, 25, 25, 25,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    98
	25, 25, 25, 25, 30, 30, 30, 30, 40, 40, 40, 40, 40, 40, 40, 40,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    99
	40, 50, 50, 50, 50, 50, 50, 50, 60, 60, 60, 60, 60, 60, 60, 60,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   100
	60, 70, 70, 70, 70, 70, 70, 80, 80, 80, 80, 80, 80, 90, 90, 90,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   101
	90, 90, 90, 90, 90, 90, 100, 100, 100, 100, 100, 100, 100, 100, 100,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   102
	    100,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   103
	100, 100, 100, 100, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   104
	    110, 110,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   105
	110, 110, 110, 110, 110, 110, 120, 120, 120, 120, 120, 120, 120, 120,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   106
	    120, 120
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   107
};
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   108
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   109
static DEFINE_SPINLOCK(e1000_eeprom_lock);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   110
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   111
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   112
 * e1000_set_phy_type - Set the phy type member in the hw struct.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   113
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   114
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   115
static s32 e1000_set_phy_type(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   116
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   117
	DEBUGFUNC("e1000_set_phy_type");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   118
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   119
	if (hw->mac_type == e1000_undefined)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   120
		return -E1000_ERR_PHY_TYPE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   121
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   122
	switch (hw->phy_id) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   123
	case M88E1000_E_PHY_ID:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   124
	case M88E1000_I_PHY_ID:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   125
	case M88E1011_I_PHY_ID:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   126
	case M88E1111_I_PHY_ID:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   127
		hw->phy_type = e1000_phy_m88;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   128
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   129
	case IGP01E1000_I_PHY_ID:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   130
		if (hw->mac_type == e1000_82541 ||
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   131
		    hw->mac_type == e1000_82541_rev_2 ||
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   132
		    hw->mac_type == e1000_82547 ||
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   133
		    hw->mac_type == e1000_82547_rev_2) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   134
			hw->phy_type = e1000_phy_igp;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   135
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   136
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   137
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   138
		/* Should never have loaded on this device */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   139
		hw->phy_type = e1000_phy_undefined;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   140
		return -E1000_ERR_PHY_TYPE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   141
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   142
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   143
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   144
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   145
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   146
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   147
 * e1000_phy_init_script - IGP phy init script - initializes the GbE PHY
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   148
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   149
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   150
static void e1000_phy_init_script(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   151
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   152
	u32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   153
	u16 phy_saved_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   154
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   155
	DEBUGFUNC("e1000_phy_init_script");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   156
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   157
	if (hw->phy_init_script) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   158
		msleep(20);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   159
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   160
		/* Save off the current value of register 0x2F5B to be restored at
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   161
		 * the end of this routine. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   162
		ret_val = e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   163
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   164
		/* Disabled the PHY transmitter */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   165
		e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   166
		msleep(20);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   167
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   168
		e1000_write_phy_reg(hw, 0x0000, 0x0140);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   169
		msleep(5);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   170
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   171
		switch (hw->mac_type) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   172
		case e1000_82541:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   173
		case e1000_82547:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   174
			e1000_write_phy_reg(hw, 0x1F95, 0x0001);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   175
			e1000_write_phy_reg(hw, 0x1F71, 0xBD21);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   176
			e1000_write_phy_reg(hw, 0x1F79, 0x0018);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   177
			e1000_write_phy_reg(hw, 0x1F30, 0x1600);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   178
			e1000_write_phy_reg(hw, 0x1F31, 0x0014);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   179
			e1000_write_phy_reg(hw, 0x1F32, 0x161C);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   180
			e1000_write_phy_reg(hw, 0x1F94, 0x0003);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   181
			e1000_write_phy_reg(hw, 0x1F96, 0x003F);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   182
			e1000_write_phy_reg(hw, 0x2010, 0x0008);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   183
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   184
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   185
		case e1000_82541_rev_2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   186
		case e1000_82547_rev_2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   187
			e1000_write_phy_reg(hw, 0x1F73, 0x0099);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   188
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   189
		default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   190
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   191
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   192
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   193
		e1000_write_phy_reg(hw, 0x0000, 0x3300);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   194
		msleep(20);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   195
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   196
		/* Now enable the transmitter */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   197
		e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   198
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   199
		if (hw->mac_type == e1000_82547) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   200
			u16 fused, fine, coarse;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   201
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   202
			/* Move to analog registers page */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   203
			e1000_read_phy_reg(hw,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   204
					   IGP01E1000_ANALOG_SPARE_FUSE_STATUS,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   205
					   &fused);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   206
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   207
			if (!(fused & IGP01E1000_ANALOG_SPARE_FUSE_ENABLED)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   208
				e1000_read_phy_reg(hw,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   209
						   IGP01E1000_ANALOG_FUSE_STATUS,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   210
						   &fused);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   211
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   212
				fine = fused & IGP01E1000_ANALOG_FUSE_FINE_MASK;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   213
				coarse =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   214
				    fused & IGP01E1000_ANALOG_FUSE_COARSE_MASK;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   215
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   216
				if (coarse >
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   217
				    IGP01E1000_ANALOG_FUSE_COARSE_THRESH) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   218
					coarse -=
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   219
					    IGP01E1000_ANALOG_FUSE_COARSE_10;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   220
					fine -= IGP01E1000_ANALOG_FUSE_FINE_1;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
				} else if (coarse ==
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   222
					   IGP01E1000_ANALOG_FUSE_COARSE_THRESH)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   223
					fine -= IGP01E1000_ANALOG_FUSE_FINE_10;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   224
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
				fused =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   226
				    (fused & IGP01E1000_ANALOG_FUSE_POLY_MASK) |
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   227
				    (fine & IGP01E1000_ANALOG_FUSE_FINE_MASK) |
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   228
				    (coarse &
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   229
				     IGP01E1000_ANALOG_FUSE_COARSE_MASK);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   230
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   231
				e1000_write_phy_reg(hw,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   232
						    IGP01E1000_ANALOG_FUSE_CONTROL,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   233
						    fused);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
				e1000_write_phy_reg(hw,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
						    IGP01E1000_ANALOG_FUSE_BYPASS,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
						    IGP01E1000_ANALOG_FUSE_ENABLE_SW_CONTROL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   237
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   238
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   240
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   242
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
 * e1000_set_mac_type - Set the mac type member in the hw struct.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
s32 e1000_set_mac_type(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   247
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   248
	DEBUGFUNC("e1000_set_mac_type");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   249
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   250
	switch (hw->device_id) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   251
	case E1000_DEV_ID_82542:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   252
		switch (hw->revision_id) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   253
		case E1000_82542_2_0_REV_ID:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
			hw->mac_type = e1000_82542_rev2_0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   255
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
		case E1000_82542_2_1_REV_ID:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   257
			hw->mac_type = e1000_82542_rev2_1;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
		default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
			/* Invalid 82542 revision ID */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
			return -E1000_ERR_MAC_TYPE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
	case E1000_DEV_ID_82543GC_FIBER:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
	case E1000_DEV_ID_82543GC_COPPER:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
		hw->mac_type = e1000_82543;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
	case E1000_DEV_ID_82544EI_COPPER:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
	case E1000_DEV_ID_82544EI_FIBER:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
	case E1000_DEV_ID_82544GC_COPPER:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
	case E1000_DEV_ID_82544GC_LOM:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
		hw->mac_type = e1000_82544;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
	case E1000_DEV_ID_82540EM:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
	case E1000_DEV_ID_82540EM_LOM:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
	case E1000_DEV_ID_82540EP:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
	case E1000_DEV_ID_82540EP_LOM:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
	case E1000_DEV_ID_82540EP_LP:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
		hw->mac_type = e1000_82540;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
	case E1000_DEV_ID_82545EM_COPPER:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
	case E1000_DEV_ID_82545EM_FIBER:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
		hw->mac_type = e1000_82545;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
	case E1000_DEV_ID_82545GM_COPPER:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
	case E1000_DEV_ID_82545GM_FIBER:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
	case E1000_DEV_ID_82545GM_SERDES:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
		hw->mac_type = e1000_82545_rev_3;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
	case E1000_DEV_ID_82546EB_COPPER:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
	case E1000_DEV_ID_82546EB_FIBER:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
		hw->mac_type = e1000_82546;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
	case E1000_DEV_ID_82546GB_COPPER:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
	case E1000_DEV_ID_82546GB_FIBER:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
	case E1000_DEV_ID_82546GB_SERDES:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
	case E1000_DEV_ID_82546GB_PCIE:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
	case E1000_DEV_ID_82546GB_QUAD_COPPER:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
		hw->mac_type = e1000_82546_rev_3;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
	case E1000_DEV_ID_82541EI:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
	case E1000_DEV_ID_82541EI_MOBILE:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
	case E1000_DEV_ID_82541ER_LOM:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
		hw->mac_type = e1000_82541;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
	case E1000_DEV_ID_82541ER:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
	case E1000_DEV_ID_82541GI:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
	case E1000_DEV_ID_82541GI_LF:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
	case E1000_DEV_ID_82541GI_MOBILE:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
		hw->mac_type = e1000_82541_rev_2;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
	case E1000_DEV_ID_82547EI:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
	case E1000_DEV_ID_82547EI_MOBILE:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
		hw->mac_type = e1000_82547;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
	case E1000_DEV_ID_82547GI:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
		hw->mac_type = e1000_82547_rev_2;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
		/* Should never have loaded on this device */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
		return -E1000_ERR_MAC_TYPE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
	switch (hw->mac_type) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
	case e1000_82541:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
	case e1000_82547:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
	case e1000_82541_rev_2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
	case e1000_82547_rev_2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
		hw->asf_firmware_present = true;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
	/* The 82543 chip does not count tx_carrier_errors properly in
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
	 * FD mode
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
	if (hw->mac_type == e1000_82543)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
		hw->bad_tx_carr_stats_fd = true;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
	if (hw->mac_type > e1000_82544)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
		hw->has_smbus = true;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
 * e1000_set_media_type - Set media type and TBI compatibility.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
void e1000_set_media_type(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
	u32 status;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
	DEBUGFUNC("e1000_set_media_type");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
	if (hw->mac_type != e1000_82543) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
		/* tbi_compatibility is only valid on 82543 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
		hw->tbi_compatibility_en = false;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
	switch (hw->device_id) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
	case E1000_DEV_ID_82545GM_SERDES:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
	case E1000_DEV_ID_82546GB_SERDES:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
		hw->media_type = e1000_media_type_internal_serdes;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
		switch (hw->mac_type) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
		case e1000_82542_rev2_0:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
		case e1000_82542_rev2_1:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
			hw->media_type = e1000_media_type_fiber;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
		default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
			status = er32(STATUS);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
			if (status & E1000_STATUS_TBIMODE) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
				hw->media_type = e1000_media_type_fiber;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
				/* tbi_compatibility not valid on fiber */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
				hw->tbi_compatibility_en = false;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
			} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
				hw->media_type = e1000_media_type_copper;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
 * e1000_reset_hw: reset the hardware completely
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
 * Reset the transmit and receive units; mask and clear all interrupts.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
s32 e1000_reset_hw(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
	u32 ctrl;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
	u32 ctrl_ext;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
	u32 icr;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
	u32 manc;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
	u32 led_ctrl;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
	DEBUGFUNC("e1000_reset_hw");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
	/* For 82542 (rev 2.0), disable MWI before issuing a device reset */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
	if (hw->mac_type == e1000_82542_rev2_0) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
		DEBUGOUT("Disabling MWI on 82542 rev 2.0\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
		e1000_pci_clear_mwi(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
	/* Clear interrupt mask to stop board from generating interrupts */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
	DEBUGOUT("Masking off all interrupts\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
	ew32(IMC, 0xffffffff);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
	/* Disable the Transmit and Receive units.  Then delay to allow
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
	 * any pending transactions to complete before we hit the MAC with
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
	 * the global reset.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
	ew32(RCTL, 0);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
	ew32(TCTL, E1000_TCTL_PSP);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
	E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
	/* The tbi_compatibility_on Flag must be cleared when Rctl is cleared. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
	hw->tbi_compatibility_on = false;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
	/* Delay to allow any outstanding PCI transactions to complete before
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
	 * resetting the device
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
	msleep(10);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
	ctrl = er32(CTRL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
	/* Must reset the PHY before resetting the MAC */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
	if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
		ew32(CTRL, (ctrl | E1000_CTRL_PHY_RST));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
		msleep(5);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
	/* Issue a global reset to the MAC.  This will reset the chip's
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
	 * transmit, receive, DMA, and link units.  It will not effect
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
	 * the current PCI configuration.  The global reset bit is self-
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
	 * clearing, and should clear within a microsecond.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
	DEBUGOUT("Issuing a global reset to MAC\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
	switch (hw->mac_type) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
	case e1000_82544:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
	case e1000_82540:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
	case e1000_82545:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
	case e1000_82546:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
	case e1000_82541:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
	case e1000_82541_rev_2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
		/* These controllers can't ack the 64-bit write when issuing the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
		 * reset, so use IO-mapping as a workaround to issue the reset */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
		E1000_WRITE_REG_IO(hw, CTRL, (ctrl | E1000_CTRL_RST));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
	case e1000_82545_rev_3:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
	case e1000_82546_rev_3:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
		/* Reset is performed on a shadow of the control register */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
		ew32(CTRL_DUP, (ctrl | E1000_CTRL_RST));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
		ew32(CTRL, (ctrl | E1000_CTRL_RST));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
	/* After MAC reset, force reload of EEPROM to restore power-on settings to
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
	 * device.  Later controllers reload the EEPROM automatically, so just wait
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
	 * for reload to complete.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
	switch (hw->mac_type) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
	case e1000_82542_rev2_0:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
	case e1000_82542_rev2_1:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
	case e1000_82543:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
	case e1000_82544:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
		/* Wait for reset to complete */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
		udelay(10);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
		ctrl_ext = er32(CTRL_EXT);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
		ctrl_ext |= E1000_CTRL_EXT_EE_RST;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
		ew32(CTRL_EXT, ctrl_ext);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
		/* Wait for EEPROM reload */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
		msleep(2);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
	case e1000_82541:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
	case e1000_82541_rev_2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
	case e1000_82547:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
	case e1000_82547_rev_2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
		/* Wait for EEPROM reload */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
		msleep(20);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
		/* Auto read done will delay 5ms or poll based on mac type */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
		ret_val = e1000_get_auto_rd_done(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
	/* Disable HW ARPs on ASF enabled adapters */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
	if (hw->mac_type >= e1000_82540) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
		manc = er32(MANC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
		manc &= ~(E1000_MANC_ARP_EN);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
		ew32(MANC, manc);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
	if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
		e1000_phy_init_script(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
		/* Configure activity LED after PHY reset */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
		led_ctrl = er32(LEDCTL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
		led_ctrl &= IGP_ACTIVITY_LED_MASK;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
		led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
		ew32(LEDCTL, led_ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
	/* Clear interrupt mask to stop board from generating interrupts */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
	DEBUGOUT("Masking off all interrupts\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
	ew32(IMC, 0xffffffff);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
	/* Clear any pending interrupt events. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	icr = er32(ICR);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	/* If MWI was previously enabled, reenable it. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
	if (hw->mac_type == e1000_82542_rev2_0) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
		if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
			e1000_pci_set_mwi(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
 * e1000_init_hw: Performs basic configuration of the adapter.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
 * Assumes that the controller has previously been reset and is in a
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
 * post-reset uninitialized state. Initializes the receive address registers,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
 * multicast table, and VLAN filter table. Calls routines to setup link
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
 * configuration and flow control settings. Clears all on-chip counters. Leaves
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
 * the transmit and receive units disabled and uninitialized.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
s32 e1000_init_hw(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
	u32 ctrl;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
	u32 i;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
	u32 mta_size;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
	u32 ctrl_ext;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
	DEBUGFUNC("e1000_init_hw");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
	/* Initialize Identification LED */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
	ret_val = e1000_id_led_init(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
	if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
		DEBUGOUT("Error Initializing Identification LED\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
	/* Set the media type and TBI compatibility */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
	e1000_set_media_type(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
	/* Disabling VLAN filtering. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
	DEBUGOUT("Initializing the IEEE VLAN\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
	if (hw->mac_type < e1000_82545_rev_3)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
		ew32(VET, 0);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
	e1000_clear_vfta(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
	/* For 82542 (rev 2.0), disable MWI and put the receiver into reset */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
	if (hw->mac_type == e1000_82542_rev2_0) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
		DEBUGOUT("Disabling MWI on 82542 rev 2.0\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
		e1000_pci_clear_mwi(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
		ew32(RCTL, E1000_RCTL_RST);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
		msleep(5);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	/* Setup the receive address. This involves initializing all of the Receive
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	 * Address Registers (RARs 0 - 15).
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	e1000_init_rx_addrs(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
	/* For 82542 (rev 2.0), take the receiver out of reset and enable MWI */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
	if (hw->mac_type == e1000_82542_rev2_0) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
		ew32(RCTL, 0);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
		msleep(1);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
		if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
			e1000_pci_set_mwi(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
	/* Zero out the Multicast HASH table */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
	DEBUGOUT("Zeroing the MTA\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
	mta_size = E1000_MC_TBL_SIZE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	for (i = 0; i < mta_size; i++) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
		E1000_WRITE_REG_ARRAY(hw, MTA, i, 0);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
		/* use write flush to prevent Memory Write Block (MWB) from
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
		 * occurring when accessing our register space */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
	/* Set the PCI priority bit correctly in the CTRL register.  This
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
	 * determines if the adapter gives priority to receives, or if it
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
	 * gives equal priority to transmits and receives.  Valid only on
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
	 * 82542 and 82543 silicon.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	if (hw->dma_fairness && hw->mac_type <= e1000_82543) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
		ctrl = er32(CTRL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
		ew32(CTRL, ctrl | E1000_CTRL_PRIOR);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
	switch (hw->mac_type) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
	case e1000_82545_rev_3:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
	case e1000_82546_rev_3:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
		/* Workaround for PCI-X problem when BIOS sets MMRBC incorrectly. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
		if (hw->bus_type == e1000_bus_type_pcix
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
		    && e1000_pcix_get_mmrbc(hw) > 2048)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
			e1000_pcix_set_mmrbc(hw, 2048);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
	/* Call a subroutine to configure the link and setup flow control. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
	ret_val = e1000_setup_link(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
	/* Set the transmit descriptor write-back policy */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
	if (hw->mac_type > e1000_82544) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
		ctrl = er32(TXDCTL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
		ctrl =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
		    (ctrl & ~E1000_TXDCTL_WTHRESH) |
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
		    E1000_TXDCTL_FULL_TX_DESC_WB;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
		ew32(TXDCTL, ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
	/* Clear all of the statistics registers (clear on read).  It is
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	 * important that we do this after we have tried to establish link
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
	 * because the symbol error count will increment wildly if there
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
	 * is no link.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
	e1000_clear_hw_cntrs(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
	if (hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER ||
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	    hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
		ctrl_ext = er32(CTRL_EXT);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
		/* Relaxed ordering must be disabled to avoid a parity
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
		 * error crash in a PCI slot. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
		ctrl_ext |= E1000_CTRL_EXT_RO_DIS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
		ew32(CTRL_EXT, ctrl_ext);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
	return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
 * e1000_adjust_serdes_amplitude - Adjust SERDES output amplitude based on EEPROM setting.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
 * @hw: Struct containing variables accessed by shared code.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
static s32 e1000_adjust_serdes_amplitude(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
	u16 eeprom_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
	DEBUGFUNC("e1000_adjust_serdes_amplitude");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
	if (hw->media_type != e1000_media_type_internal_serdes)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
		return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
	switch (hw->mac_type) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
	case e1000_82545_rev_3:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
	case e1000_82546_rev_3:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
		return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
	ret_val = e1000_read_eeprom(hw, EEPROM_SERDES_AMPLITUDE, 1,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
	                            &eeprom_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
	if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	if (eeprom_data != EEPROM_RESERVED_WORD) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
		/* Adjust SERDES output amplitude only. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
		eeprom_data &= EEPROM_SERDES_AMPLITUDE_MASK;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
		ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
		    e1000_write_phy_reg(hw, M88E1000_PHY_EXT_CTRL, eeprom_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
 * e1000_setup_link - Configures flow control and link settings.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
 * Determines which flow control settings to use. Calls the appropriate media-
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
 * specific link configuration function. Configures the flow control settings.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
 * Assuming the adapter has a valid link partner, a valid link should be
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
 * established. Assumes the hardware has previously been reset and the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
 * transmitter and receiver are not enabled.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
s32 e1000_setup_link(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
	u32 ctrl_ext;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
	u16 eeprom_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	DEBUGFUNC("e1000_setup_link");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
	/* Read and store word 0x0F of the EEPROM. This word contains bits
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	 * that determine the hardware's default PAUSE (flow control) mode,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
	 * a bit that determines whether the HW defaults to enabling or
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
	 * disabling auto-negotiation, and the direction of the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
	 * SW defined pins. If there is no SW over-ride of the flow
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
	 * control setting, then the variable hw->fc will
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
	 * be initialized based on a value in the EEPROM.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
	if (hw->fc == E1000_FC_DEFAULT) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
		ret_val = e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
					    1, &eeprom_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
		if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
			DEBUGOUT("EEPROM Read Error\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
			return -E1000_ERR_EEPROM;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
		if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == 0)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
			hw->fc = E1000_FC_NONE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
		else if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) ==
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
			 EEPROM_WORD0F_ASM_DIR)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
			hw->fc = E1000_FC_TX_PAUSE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
		else
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
			hw->fc = E1000_FC_FULL;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
	/* We want to save off the original Flow Control configuration just
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
	 * in case we get disconnected and then reconnected into a different
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
	 * hub or switch with different Flow Control capabilities.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
	if (hw->mac_type == e1000_82542_rev2_0)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
		hw->fc &= (~E1000_FC_TX_PAUSE);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
	if ((hw->mac_type < e1000_82543) && (hw->report_tx_early == 1))
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
		hw->fc &= (~E1000_FC_RX_PAUSE);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
	hw->original_fc = hw->fc;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
	DEBUGOUT1("After fix-ups FlowControl is now = %x\n", hw->fc);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
	/* Take the 4 bits from EEPROM word 0x0F that determine the initial
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
	 * polarity value for the SW controlled pins, and setup the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
	 * Extended Device Control reg with that info.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	 * This is needed because one of the SW controlled pins is used for
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
	 * signal detection.  So this should be done before e1000_setup_pcs_link()
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
	 * or e1000_phy_setup() is called.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
	if (hw->mac_type == e1000_82543) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
		ret_val = e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
					    1, &eeprom_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
		if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
			DEBUGOUT("EEPROM Read Error\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
			return -E1000_ERR_EEPROM;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
		ctrl_ext = ((eeprom_data & EEPROM_WORD0F_SWPDIO_EXT) <<
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
			    SWDPIO__EXT_SHIFT);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
		ew32(CTRL_EXT, ctrl_ext);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
	/* Call the necessary subroutine to configure the link. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
	ret_val = (hw->media_type == e1000_media_type_copper) ?
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
	    e1000_setup_copper_link(hw) : e1000_setup_fiber_serdes_link(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
	/* Initialize the flow control address, type, and PAUSE timer
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
	 * registers to their default values.  This is done even if flow
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
	 * control is disabled, because it does not hurt anything to
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
	 * initialize these registers.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
	DEBUGOUT
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
	    ("Initializing the Flow Control address, type and timer regs\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
	ew32(FCT, FLOW_CONTROL_TYPE);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
	ew32(FCAH, FLOW_CONTROL_ADDRESS_HIGH);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
	ew32(FCAL, FLOW_CONTROL_ADDRESS_LOW);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
	ew32(FCTTV, hw->fc_pause_time);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
	/* Set the flow control receive threshold registers.  Normally,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
	 * these registers will be set to a default threshold that may be
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
	 * adjusted later by the driver's runtime code.  However, if the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	 * ability to transmit pause frames in not enabled, then these
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	 * registers will be set to 0.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
	if (!(hw->fc & E1000_FC_TX_PAUSE)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
		ew32(FCRTL, 0);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
		ew32(FCRTH, 0);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
	} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
		/* We need to set up the Receive Threshold high and low water marks
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
		 * as well as (optionally) enabling the transmission of XON frames.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
		if (hw->fc_send_xon) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
			ew32(FCRTL, (hw->fc_low_water | E1000_FCRTL_XONE));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
			ew32(FCRTH, hw->fc_high_water);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
		} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
			ew32(FCRTL, hw->fc_low_water);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
			ew32(FCRTH, hw->fc_high_water);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
	return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
 * e1000_setup_fiber_serdes_link - prepare fiber or serdes link
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
 * Manipulates Physical Coding Sublayer functions in order to configure
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
 * link. Assumes the hardware has been previously reset and the transmitter
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
 * and receiver are not enabled.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
static s32 e1000_setup_fiber_serdes_link(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
	u32 ctrl;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
	u32 status;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
	u32 txcw = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
	u32 i;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
	u32 signal = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
	DEBUGFUNC("e1000_setup_fiber_serdes_link");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
	/* On adapters with a MAC newer than 82544, SWDP 1 will be
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
	 * set when the optics detect a signal. On older adapters, it will be
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
	 * cleared when there is a signal.  This applies to fiber media only.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
	 * If we're on serdes media, adjust the output amplitude to value
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
	 * set in the EEPROM.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
	ctrl = er32(CTRL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
	if (hw->media_type == e1000_media_type_fiber)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
		signal = (hw->mac_type > e1000_82544) ? E1000_CTRL_SWDPIN1 : 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
	ret_val = e1000_adjust_serdes_amplitude(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
	/* Take the link out of reset */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
	ctrl &= ~(E1000_CTRL_LRST);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
	/* Adjust VCO speed to improve BER performance */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
	ret_val = e1000_set_vco_speed(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
	e1000_config_collision_dist(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
	/* Check for a software override of the flow control settings, and setup
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
	 * the device accordingly.  If auto-negotiation is enabled, then software
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
	 * will have to set the "PAUSE" bits to the correct value in the Tranmsit
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
	 * Config Word Register (TXCW) and re-start auto-negotiation.  However, if
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
	 * auto-negotiation is disabled, then software will have to manually
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
	 * configure the two flow control enable bits in the CTRL register.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
	 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
	 * The possible values of the "fc" parameter are:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
	 *      0:  Flow control is completely disabled
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
	 *      1:  Rx flow control is enabled (we can receive pause frames, but
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
	 *          not send pause frames).
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
	 *      2:  Tx flow control is enabled (we can send pause frames but we do
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
	 *          not support receiving pause frames).
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
	 *      3:  Both Rx and TX flow control (symmetric) are enabled.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
	switch (hw->fc) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
	case E1000_FC_NONE:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
		/* Flow control is completely disabled by a software over-ride. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
	case E1000_FC_RX_PAUSE:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
		/* RX Flow control is enabled and TX Flow control is disabled by a
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
		 * software over-ride. Since there really isn't a way to advertise
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
		 * that we are capable of RX Pause ONLY, we will advertise that we
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
		 * support both symmetric and asymmetric RX PAUSE. Later, we will
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
		 *  disable the adapter's ability to send PAUSE frames.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
	case E1000_FC_TX_PAUSE:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
		/* TX Flow control is enabled, and RX Flow control is disabled, by a
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
		 * software over-ride.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_ASM_DIR);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
	case E1000_FC_FULL:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
		/* Flow control (both RX and TX) is enabled by a software over-ride. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
		DEBUGOUT("Flow control param set incorrectly\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
		return -E1000_ERR_CONFIG;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
	/* Since auto-negotiation is enabled, take the link out of reset (the link
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	 * will be in reset, because we previously reset the chip). This will
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
	 * restart auto-negotiation.  If auto-negotiation is successful then the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
	 * link-up status bit will be set and the flow control enable bits (RFCE
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
	 * and TFCE) will be set according to their negotiated value.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
	DEBUGOUT("Auto-negotiation enabled\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
	ew32(TXCW, txcw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
	ew32(CTRL, ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
	E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
	hw->txcw = txcw;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
	msleep(1);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
	/* If we have a signal (the cable is plugged in) then poll for a "Link-Up"
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
	 * indication in the Device Status Register.  Time-out if a link isn't
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
	 * seen in 500 milliseconds seconds (Auto-negotiation should complete in
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
	 * less than 500 milliseconds even if the other end is doing it in SW).
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
	 * For internal serdes, we just assume a signal is present, then poll.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	if (hw->media_type == e1000_media_type_internal_serdes ||
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
	    (er32(CTRL) & E1000_CTRL_SWDPIN1) == signal) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
		DEBUGOUT("Looking for Link\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
		for (i = 0; i < (LINK_UP_TIMEOUT / 10); i++) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
			msleep(10);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
			status = er32(STATUS);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
			if (status & E1000_STATUS_LU)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
				break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
		if (i == (LINK_UP_TIMEOUT / 10)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
			DEBUGOUT("Never got a valid link from auto-neg!!!\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
			hw->autoneg_failed = 1;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
			/* AutoNeg failed to achieve a link, so we'll call
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
			 * e1000_check_for_link. This routine will force the link up if
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
			 * we detect a signal. This will allow us to communicate with
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
			 * non-autonegotiating link partners.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
			 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
			ret_val = e1000_check_for_link(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
			if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
				DEBUGOUT("Error while checking for link\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
			hw->autoneg_failed = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
		} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
			hw->autoneg_failed = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
			DEBUGOUT("Valid Link Found\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
	} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
		DEBUGOUT("No Signal Detected\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
 * e1000_copper_link_preconfig - early configuration for copper
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
 * Make sure we have a valid PHY and change PHY mode before link setup.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
static s32 e1000_copper_link_preconfig(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
	u32 ctrl;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
	u16 phy_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
	DEBUGFUNC("e1000_copper_link_preconfig");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
	ctrl = er32(CTRL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
	/* With 82543, we need to force speed and duplex on the MAC equal to what
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
	 * the PHY speed and duplex configuration is. In addition, we need to
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	 * perform a hardware reset on the PHY to take it out of reset.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
	if (hw->mac_type > e1000_82543) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
		ctrl |= E1000_CTRL_SLU;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
		ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
		ew32(CTRL, ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
	} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
		ctrl |=
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
		    (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX | E1000_CTRL_SLU);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
		ew32(CTRL, ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
		ret_val = e1000_phy_hw_reset(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
	/* Make sure we have a valid PHY */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
	ret_val = e1000_detect_gig_phy(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
	if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
		DEBUGOUT("Error, did not detect valid phy.\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
	DEBUGOUT1("Phy ID = %x \n", hw->phy_id);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
	/* Set PHY to class A mode (if necessary) */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
	ret_val = e1000_set_phy_mode(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
	if ((hw->mac_type == e1000_82545_rev_3) ||
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
	    (hw->mac_type == e1000_82546_rev_3)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
		ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
		    e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
		phy_data |= 0x00000008;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
		ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
		    e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
	if (hw->mac_type <= e1000_82543 ||
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
	    hw->mac_type == e1000_82541 || hw->mac_type == e1000_82547 ||
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
	    hw->mac_type == e1000_82541_rev_2
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
	    || hw->mac_type == e1000_82547_rev_2)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
		hw->phy_reset_disable = false;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
 * e1000_copper_link_igp_setup - Copper link setup for e1000_phy_igp series.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
static s32 e1000_copper_link_igp_setup(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
	u32 led_ctrl;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
	u16 phy_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
	DEBUGFUNC("e1000_copper_link_igp_setup");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
	if (hw->phy_reset_disable)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
		return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
	ret_val = e1000_phy_reset(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
	if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
		DEBUGOUT("Error Resetting the PHY\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
	/* Wait 15ms for MAC to configure PHY from eeprom settings */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
	msleep(15);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
	/* Configure activity LED after PHY reset */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
	led_ctrl = er32(LEDCTL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
	led_ctrl &= IGP_ACTIVITY_LED_MASK;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
	led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	ew32(LEDCTL, led_ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
	/* The NVM settings will configure LPLU in D3 for IGP2 and IGP3 PHYs */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
	if (hw->phy_type == e1000_phy_igp) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
		/* disable lplu d3 during driver init */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
		ret_val = e1000_set_d3_lplu_state(hw, false);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
		if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
			DEBUGOUT("Error Disabling LPLU D3\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
	/* Configure mdi-mdix settings */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
	ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
	if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
		hw->dsp_config_state = e1000_dsp_config_disabled;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
		/* Force MDI for earlier revs of the IGP PHY */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
		phy_data &=
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
		    ~(IGP01E1000_PSCR_AUTO_MDIX |
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
		      IGP01E1000_PSCR_FORCE_MDI_MDIX);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
		hw->mdix = 1;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
	} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
		hw->dsp_config_state = e1000_dsp_config_enabled;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
		phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
		switch (hw->mdix) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
		case 1:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
			phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
		case 2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
			phy_data |= IGP01E1000_PSCR_FORCE_MDI_MDIX;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
		case 0:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
		default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
			phy_data |= IGP01E1000_PSCR_AUTO_MDIX;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	/* set auto-master slave resolution settings */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
	if (hw->autoneg) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
		e1000_ms_type phy_ms_setting = hw->master_slave;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
		if (hw->ffe_config_state == e1000_ffe_config_active)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
			hw->ffe_config_state = e1000_ffe_config_enabled;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
		if (hw->dsp_config_state == e1000_dsp_config_activated)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
			hw->dsp_config_state = e1000_dsp_config_enabled;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
		/* when autonegotiation advertisement is only 1000Mbps then we
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
		 * should disable SmartSpeed and enable Auto MasterSlave
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
		 * resolution as hardware default. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
		if (hw->autoneg_advertised == ADVERTISE_1000_FULL) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
			/* Disable SmartSpeed */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
			    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
					       &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
			phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
			    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
						phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
			/* Set auto Master/Slave resolution process */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
			    e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
			phy_data &= ~CR_1000T_MS_ENABLE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
			    e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
		ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
		/* load defaults for future use */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
		hw->original_master_slave = (phy_data & CR_1000T_MS_ENABLE) ?
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
		    ((phy_data & CR_1000T_MS_VALUE) ?
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
		     e1000_ms_force_master :
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
		     e1000_ms_force_slave) : e1000_ms_auto;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
		switch (phy_ms_setting) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
		case e1000_ms_force_master:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
			phy_data |= (CR_1000T_MS_ENABLE | CR_1000T_MS_VALUE);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
		case e1000_ms_force_slave:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
			phy_data |= CR_1000T_MS_ENABLE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
			phy_data &= ~(CR_1000T_MS_VALUE);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
		case e1000_ms_auto:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
			phy_data &= ~CR_1000T_MS_ENABLE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
		default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
		ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
 * e1000_copper_link_mgp_setup - Copper link setup for e1000_phy_m88 series.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
static s32 e1000_copper_link_mgp_setup(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
	u16 phy_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
	DEBUGFUNC("e1000_copper_link_mgp_setup");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
	if (hw->phy_reset_disable)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
		return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
	/* Enable CRS on TX. This must be set for half-duplex operation. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
	phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
	/* Options:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
	 *   MDI/MDI-X = 0 (default)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
	 *   0 - Auto for all speeds
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
	 *   1 - MDI mode
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
	 *   2 - MDI-X mode
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
	 *   3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
	phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
	switch (hw->mdix) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
	case 1:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
		phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
	case 2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
		phy_data |= M88E1000_PSCR_MDIX_MANUAL_MODE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
	case 3:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
		phy_data |= M88E1000_PSCR_AUTO_X_1000T;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
	case 0:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
		phy_data |= M88E1000_PSCR_AUTO_X_MODE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
	/* Options:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
	 *   disable_polarity_correction = 0 (default)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
	 *       Automatic Correction for Reversed Cable Polarity
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
	 *   0 - Disabled
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
	 *   1 - Enabled
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
	phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
	if (hw->disable_polarity_correction == 1)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
		phy_data |= M88E1000_PSCR_POLARITY_REVERSAL;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
	if (hw->phy_revision < M88E1011_I_REV_4) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
		/* Force TX_CLK in the Extended PHY Specific Control Register
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
		 * to 25MHz clock.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
		ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
		    e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
				       &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
		phy_data |= M88E1000_EPSCR_TX_CLK_25;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
		if ((hw->phy_revision == E1000_REVISION_2) &&
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
		    (hw->phy_id == M88E1111_I_PHY_ID)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
			/* Vidalia Phy, set the downshift counter to 5x */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
			phy_data &= ~(M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
			phy_data |= M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
			ret_val = e1000_write_phy_reg(hw,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
						      M88E1000_EXT_PHY_SPEC_CTRL,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
						      phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
		} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
			/* Configure Master and Slave downshift values */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
			phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK |
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
				      M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
			phy_data |= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X |
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
				     M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
			ret_val = e1000_write_phy_reg(hw,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
						      M88E1000_EXT_PHY_SPEC_CTRL,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
						      phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
	/* SW Reset the PHY so all changes take effect */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
	ret_val = e1000_phy_reset(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
		DEBUGOUT("Error Resetting the PHY\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
 * e1000_copper_link_autoneg - setup auto-neg
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
 * Setup auto-negotiation and flow control advertisements,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
 * and then perform auto-negotiation.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
static s32 e1000_copper_link_autoneg(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
	u16 phy_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
	DEBUGFUNC("e1000_copper_link_autoneg");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
	/* Perform some bounds checking on the hw->autoneg_advertised
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
	 * parameter.  If this variable is zero, then set it to the default.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	hw->autoneg_advertised &= AUTONEG_ADVERTISE_SPEED_DEFAULT;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
	/* If autoneg_advertised is zero, we assume it was not defaulted
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
	 * by the calling code so we set to advertise full capability.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
	if (hw->autoneg_advertised == 0)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
		hw->autoneg_advertised = AUTONEG_ADVERTISE_SPEED_DEFAULT;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	DEBUGOUT("Reconfiguring auto-neg advertisement params\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
	ret_val = e1000_phy_setup_autoneg(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
	if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
		DEBUGOUT("Error Setting up Auto-Negotiation\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
	DEBUGOUT("Restarting Auto-Neg\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
	/* Restart auto-negotiation by setting the Auto Neg Enable bit and
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
	 * the Auto Neg Restart bit in the PHY control register.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
	ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
	phy_data |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
	ret_val = e1000_write_phy_reg(hw, PHY_CTRL, phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
	/* Does the user want to wait for Auto-Neg to complete here, or
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
	 * check at a later time (for example, callback routine).
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
	if (hw->wait_autoneg_complete) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
		ret_val = e1000_wait_autoneg(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
		if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
			DEBUGOUT
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
			    ("Error while waiting for autoneg to complete\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
	hw->get_link_status = true;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
 * e1000_copper_link_postconfig - post link setup
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
 * Config the MAC and the PHY after link is up.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
 *   1) Set up the MAC to the current PHY speed/duplex
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
 *      if we are on 82543.  If we
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
 *      are on newer silicon, we only need to configure
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
 *      collision distance in the Transmit Control Register.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
 *   2) Set up flow control on the MAC to that established with
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
 *      the link partner.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
 *   3) Config DSP to improve Gigabit link quality for some PHY revisions.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
static s32 e1000_copper_link_postconfig(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
	DEBUGFUNC("e1000_copper_link_postconfig");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
	if (hw->mac_type >= e1000_82544) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
		e1000_config_collision_dist(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
	} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
		ret_val = e1000_config_mac_to_phy(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
		if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
			DEBUGOUT("Error configuring MAC to PHY settings\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
	ret_val = e1000_config_fc_after_link_up(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
	if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
		DEBUGOUT("Error Configuring Flow Control\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
	/* Config DSP to improve Giga link quality */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
	if (hw->phy_type == e1000_phy_igp) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
		ret_val = e1000_config_dsp_after_link_change(hw, true);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
		if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
			DEBUGOUT("Error Configuring DSP after link up\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
 * e1000_setup_copper_link - phy/speed/duplex setting
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
 * Detects which PHY is present and sets up the speed and duplex
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
static s32 e1000_setup_copper_link(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
	u16 i;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
	u16 phy_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
	DEBUGFUNC("e1000_setup_copper_link");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
	/* Check if it is a valid PHY and set PHY mode if necessary. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
	ret_val = e1000_copper_link_preconfig(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
	if (hw->phy_type == e1000_phy_igp) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
		ret_val = e1000_copper_link_igp_setup(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
	} else if (hw->phy_type == e1000_phy_m88) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
		ret_val = e1000_copper_link_mgp_setup(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
	if (hw->autoneg) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
		/* Setup autoneg and flow control advertisement
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
		 * and perform autonegotiation */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
		ret_val = e1000_copper_link_autoneg(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
	} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
		/* PHY will be set to 10H, 10F, 100H,or 100F
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
		 * depending on value from forced_speed_duplex. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
		DEBUGOUT("Forcing speed and duplex\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
		ret_val = e1000_phy_force_speed_duplex(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
		if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
			DEBUGOUT("Error Forcing Speed and Duplex\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
	/* Check link status. Wait up to 100 microseconds for link to become
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
	 * valid.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
	for (i = 0; i < 10; i++) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
		if (phy_data & MII_SR_LINK_STATUS) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
			/* Config the MAC and PHY after link is up */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
			ret_val = e1000_copper_link_postconfig(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
			DEBUGOUT("Valid link established!!!\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
			return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
		udelay(10);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
	DEBUGOUT("Unable to establish link!!!\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
 * e1000_phy_setup_autoneg - phy settings
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
 * Configures PHY autoneg and flow control advertisement settings
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
	u16 mii_autoneg_adv_reg;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
	u16 mii_1000t_ctrl_reg;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
	DEBUGFUNC("e1000_phy_setup_autoneg");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
	/* Read the MII Auto-Neg Advertisement Register (Address 4). */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
	/* Read the MII 1000Base-T Control Register (Address 9). */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
	ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
	    e1000_read_phy_reg(hw, PHY_1000T_CTRL, &mii_1000t_ctrl_reg);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
	/* Need to parse both autoneg_advertised and fc and set up
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
	 * the appropriate PHY registers.  First we will parse for
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
	 * autoneg_advertised software override.  Since we can advertise
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
	 * a plethora of combinations, we need to check each bit
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
	 * individually.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
	/* First we clear all the 10/100 mb speed bits in the Auto-Neg
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
	 * Advertisement Register (Address 4) and the 1000 mb speed bits in
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
	 * the  1000Base-T Control Register (Address 9).
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
	mii_autoneg_adv_reg &= ~REG4_SPEED_MASK;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
	mii_1000t_ctrl_reg &= ~REG9_SPEED_MASK;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
	DEBUGOUT1("autoneg_advertised %x\n", hw->autoneg_advertised);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
	/* Do we want to advertise 10 Mb Half Duplex? */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
	if (hw->autoneg_advertised & ADVERTISE_10_HALF) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
		DEBUGOUT("Advertise 10mb Half duplex\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
		mii_autoneg_adv_reg |= NWAY_AR_10T_HD_CAPS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
	/* Do we want to advertise 10 Mb Full Duplex? */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
	if (hw->autoneg_advertised & ADVERTISE_10_FULL) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
		DEBUGOUT("Advertise 10mb Full duplex\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
		mii_autoneg_adv_reg |= NWAY_AR_10T_FD_CAPS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
	/* Do we want to advertise 100 Mb Half Duplex? */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
	if (hw->autoneg_advertised & ADVERTISE_100_HALF) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
		DEBUGOUT("Advertise 100mb Half duplex\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
		mii_autoneg_adv_reg |= NWAY_AR_100TX_HD_CAPS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
	/* Do we want to advertise 100 Mb Full Duplex? */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
	if (hw->autoneg_advertised & ADVERTISE_100_FULL) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
		DEBUGOUT("Advertise 100mb Full duplex\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
		mii_autoneg_adv_reg |= NWAY_AR_100TX_FD_CAPS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
	/* We do not allow the Phy to advertise 1000 Mb Half Duplex */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
	if (hw->autoneg_advertised & ADVERTISE_1000_HALF) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
		DEBUGOUT
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
		    ("Advertise 1000mb Half duplex requested, request denied!\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
	/* Do we want to advertise 1000 Mb Full Duplex? */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
	if (hw->autoneg_advertised & ADVERTISE_1000_FULL) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
		DEBUGOUT("Advertise 1000mb Full duplex\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
		mii_1000t_ctrl_reg |= CR_1000T_FD_CAPS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
	/* Check for a software override of the flow control settings, and
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
	 * setup the PHY advertisement registers accordingly.  If
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
	 * auto-negotiation is enabled, then software will have to set the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
	 * "PAUSE" bits to the correct value in the Auto-Negotiation
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
	 * Advertisement Register (PHY_AUTONEG_ADV) and re-start auto-negotiation.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
	 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
	 * The possible values of the "fc" parameter are:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
	 *      0:  Flow control is completely disabled
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
	 *      1:  Rx flow control is enabled (we can receive pause frames
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
	 *          but not send pause frames).
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
	 *      2:  Tx flow control is enabled (we can send pause frames
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
	 *          but we do not support receiving pause frames).
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
	 *      3:  Both Rx and TX flow control (symmetric) are enabled.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
	 *  other:  No software override.  The flow control configuration
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
	 *          in the EEPROM is used.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
	switch (hw->fc) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
	case E1000_FC_NONE:	/* 0 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
		/* Flow control (RX & TX) is completely disabled by a
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
		 * software over-ride.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
		mii_autoneg_adv_reg &= ~(NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
	case E1000_FC_RX_PAUSE:	/* 1 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
		/* RX Flow control is enabled, and TX Flow control is
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
		 * disabled, by a software over-ride.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
		/* Since there really isn't a way to advertise that we are
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
		 * capable of RX Pause ONLY, we will advertise that we
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
		 * support both symmetric and asymmetric RX PAUSE.  Later
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
		 * (in e1000_config_fc_after_link_up) we will disable the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
		 *hw's ability to send PAUSE frames.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
	case E1000_FC_TX_PAUSE:	/* 2 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
		/* TX Flow control is enabled, and RX Flow control is
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
		 * disabled, by a software over-ride.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
		mii_autoneg_adv_reg |= NWAY_AR_ASM_DIR;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
		mii_autoneg_adv_reg &= ~NWAY_AR_PAUSE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
	case E1000_FC_FULL:	/* 3 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
		/* Flow control (both RX and TX) is enabled by a software
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
		 * over-ride.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
		DEBUGOUT("Flow control param set incorrectly\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
		return -E1000_ERR_CONFIG;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
	ret_val = e1000_write_phy_reg(hw, PHY_AUTONEG_ADV, mii_autoneg_adv_reg);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
	DEBUGOUT1("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
	ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, mii_1000t_ctrl_reg);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
 * e1000_phy_force_speed_duplex - force link settings
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
 * Force PHY speed and duplex settings to hw->forced_speed_duplex
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
	u32 ctrl;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
	u16 mii_ctrl_reg;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
	u16 mii_status_reg;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
	u16 phy_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
	u16 i;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
	DEBUGFUNC("e1000_phy_force_speed_duplex");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
	/* Turn off Flow control if we are forcing speed and duplex. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
	hw->fc = E1000_FC_NONE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
	DEBUGOUT1("hw->fc = %d\n", hw->fc);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
	/* Read the Device Control Register. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
	ctrl = er32(CTRL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
	/* Set the bits to Force Speed and Duplex in the Device Ctrl Reg. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
	ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
	ctrl &= ~(DEVICE_SPEED_MASK);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
	/* Clear the Auto Speed Detect Enable bit. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
	ctrl &= ~E1000_CTRL_ASDE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
	/* Read the MII Control Register. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
	ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &mii_ctrl_reg);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
	/* We need to disable autoneg in order to force link and duplex. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
	mii_ctrl_reg &= ~MII_CR_AUTO_NEG_EN;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
	/* Are we forcing Full or Half Duplex? */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
	if (hw->forced_speed_duplex == e1000_100_full ||
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
	    hw->forced_speed_duplex == e1000_10_full) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
		/* We want to force full duplex so we SET the full duplex bits in the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
		 * Device and MII Control Registers.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
		ctrl |= E1000_CTRL_FD;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
		mii_ctrl_reg |= MII_CR_FULL_DUPLEX;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
		DEBUGOUT("Full Duplex\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
	} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
		/* We want to force half duplex so we CLEAR the full duplex bits in
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
		 * the Device and MII Control Registers.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
		ctrl &= ~E1000_CTRL_FD;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
		mii_ctrl_reg &= ~MII_CR_FULL_DUPLEX;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
		DEBUGOUT("Half Duplex\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
	/* Are we forcing 100Mbps??? */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
	if (hw->forced_speed_duplex == e1000_100_full ||
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
	    hw->forced_speed_duplex == e1000_100_half) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
		/* Set the 100Mb bit and turn off the 1000Mb and 10Mb bits. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
		ctrl |= E1000_CTRL_SPD_100;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
		mii_ctrl_reg |= MII_CR_SPEED_100;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
		mii_ctrl_reg &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_10);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
		DEBUGOUT("Forcing 100mb ");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
	} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
		/* Set the 10Mb bit and turn off the 1000Mb and 100Mb bits. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
		ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
		mii_ctrl_reg |= MII_CR_SPEED_10;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
		mii_ctrl_reg &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_100);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
		DEBUGOUT("Forcing 10mb ");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
	e1000_config_collision_dist(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
	/* Write the configured values back to the Device Control Reg. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
	ew32(CTRL, ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
	if (hw->phy_type == e1000_phy_m88) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
		ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
		    e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
		/* Clear Auto-Crossover to force MDI manually. M88E1000 requires MDI
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
		 * forced whenever speed are duplex are forced.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
		phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
		ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
		    e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
		DEBUGOUT1("M88E1000 PSCR: %x \n", phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
		/* Need to reset the PHY or these changes will be ignored */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
		mii_ctrl_reg |= MII_CR_RESET;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
		/* Disable MDI-X support for 10/100 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
	} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
		/* Clear Auto-Crossover to force MDI manually.  IGP requires MDI
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
		 * forced whenever speed or duplex are forced.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
		ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
		    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
		phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
		phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
		ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
		    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
	/* Write back the modified PHY MII control register. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
	ret_val = e1000_write_phy_reg(hw, PHY_CTRL, mii_ctrl_reg);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
	udelay(1);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
	/* The wait_autoneg_complete flag may be a little misleading here.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
	 * Since we are forcing speed and duplex, Auto-Neg is not enabled.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
	 * But we do want to delay for a period while forcing only so we
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
	 * don't generate false No Link messages.  So we will wait here
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	 * only if the user has set wait_autoneg_complete to 1, which is
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
	 * the default.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
	if (hw->wait_autoneg_complete) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
		/* We will wait for autoneg to complete. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
		DEBUGOUT("Waiting for forced speed/duplex link.\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
		mii_status_reg = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
		/* We will wait for autoneg to complete or 4.5 seconds to expire. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
		for (i = PHY_FORCE_TIME; i > 0; i--) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
			/* Read the MII Status Register and wait for Auto-Neg Complete bit
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
			 * to be set.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
			 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
			    e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
			    e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
			if (mii_status_reg & MII_SR_LINK_STATUS)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
				break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
			msleep(100);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
		if ((i == 0) && (hw->phy_type == e1000_phy_m88)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
			/* We didn't get link.  Reset the DSP and wait again for link. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
			ret_val = e1000_phy_reset_dsp(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
			if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
				DEBUGOUT("Error Resetting PHY DSP\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
		/* This loop will early-out if the link condition has been met.  */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
		for (i = PHY_FORCE_TIME; i > 0; i--) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
			if (mii_status_reg & MII_SR_LINK_STATUS)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
				break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
			msleep(100);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
			/* Read the MII Status Register and wait for Auto-Neg Complete bit
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
			 * to be set.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
			 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
			    e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
			    e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
	if (hw->phy_type == e1000_phy_m88) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
		/* Because we reset the PHY above, we need to re-force TX_CLK in the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
		 * Extended PHY Specific Control Register to 25MHz clock.  This value
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
		 * defaults back to a 2.5MHz clock when the PHY is reset.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
		ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
		    e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
				       &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
		phy_data |= M88E1000_EPSCR_TX_CLK_25;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
		ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
		    e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
					phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
		/* In addition, because of the s/w reset above, we need to enable CRS on
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
		 * TX.  This must be set for both full and half duplex operation.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
		ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
		    e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
		phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
		ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
		    e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
		if ((hw->mac_type == e1000_82544 || hw->mac_type == e1000_82543)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
		    && (!hw->autoneg)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
		    && (hw->forced_speed_duplex == e1000_10_full
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
			|| hw->forced_speed_duplex == e1000_10_half)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
			ret_val = e1000_polarity_reversal_workaround(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
 * e1000_config_collision_dist - set collision distance register
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
 * Sets the collision distance in the Transmit Control register.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
 * Link should have been established previously. Reads the speed and duplex
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
 * information from the Device Status register.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
void e1000_config_collision_dist(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
	u32 tctl, coll_dist;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
	DEBUGFUNC("e1000_config_collision_dist");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
	if (hw->mac_type < e1000_82543)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
		coll_dist = E1000_COLLISION_DISTANCE_82542;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
	else
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
		coll_dist = E1000_COLLISION_DISTANCE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
	tctl = er32(TCTL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
	tctl &= ~E1000_TCTL_COLD;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
	tctl |= coll_dist << E1000_COLD_SHIFT;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
	ew32(TCTL, tctl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
	E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
 * e1000_config_mac_to_phy - sync phy and mac settings
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
 * @mii_reg: data to write to the MII control register
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
 * Sets MAC speed and duplex settings to reflect the those in the PHY
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
 * The contents of the PHY register containing the needed information need to
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
 * be passed in.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
static s32 e1000_config_mac_to_phy(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
	u32 ctrl;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
	u16 phy_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
	DEBUGFUNC("e1000_config_mac_to_phy");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
	/* 82544 or newer MAC, Auto Speed Detection takes care of
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
	 * MAC speed/duplex configuration.*/
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
	if (hw->mac_type >= e1000_82544)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
		return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
	/* Read the Device Control Register and set the bits to Force Speed
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
	 * and Duplex.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
	ctrl = er32(CTRL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
	ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
	ctrl &= ~(E1000_CTRL_SPD_SEL | E1000_CTRL_ILOS);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
	/* Set up duplex in the Device Control and Transmit Control
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
	 * registers depending on negotiated values.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
	if (phy_data & M88E1000_PSSR_DPLX)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
		ctrl |= E1000_CTRL_FD;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
	else
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
		ctrl &= ~E1000_CTRL_FD;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
	e1000_config_collision_dist(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
	/* Set up speed in the Device Control register depending on
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
	 * negotiated values.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
	if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
		ctrl |= E1000_CTRL_SPD_1000;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
	else if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_100MBS)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
		ctrl |= E1000_CTRL_SPD_100;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
	/* Write the configured values back to the Device Control Reg. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
	ew32(CTRL, ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
 * e1000_force_mac_fc - force flow control settings
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
 * Forces the MAC's flow control settings.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
 * Sets the TFCE and RFCE bits in the device control register to reflect
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
 * the adapter settings. TFCE and RFCE need to be explicitly set by
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
 * software when a Copper PHY is used because autonegotiation is managed
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
 * by the PHY rather than the MAC. Software must also configure these
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
 * bits when link is forced on a fiber connection.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
s32 e1000_force_mac_fc(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
	u32 ctrl;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
	DEBUGFUNC("e1000_force_mac_fc");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
	/* Get the current configuration of the Device Control Register */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
	ctrl = er32(CTRL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
	/* Because we didn't get link via the internal auto-negotiation
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
	 * mechanism (we either forced link or we got link via PHY
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
	 * auto-neg), we have to manually enable/disable transmit an
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
	 * receive flow control.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
	 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
	 * The "Case" statement below enables/disable flow control
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
	 * according to the "hw->fc" parameter.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
	 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
	 * The possible values of the "fc" parameter are:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
	 *      0:  Flow control is completely disabled
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
	 *      1:  Rx flow control is enabled (we can receive pause
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
	 *          frames but not send pause frames).
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
	 *      2:  Tx flow control is enabled (we can send pause frames
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
	 *          frames but we do not receive pause frames).
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
	 *      3:  Both Rx and TX flow control (symmetric) is enabled.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
	 *  other:  No other values should be possible at this point.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
	switch (hw->fc) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
	case E1000_FC_NONE:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
		ctrl &= (~(E1000_CTRL_TFCE | E1000_CTRL_RFCE));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
	case E1000_FC_RX_PAUSE:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
		ctrl &= (~E1000_CTRL_TFCE);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
		ctrl |= E1000_CTRL_RFCE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
	case E1000_FC_TX_PAUSE:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
		ctrl &= (~E1000_CTRL_RFCE);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
		ctrl |= E1000_CTRL_TFCE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
	case E1000_FC_FULL:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
		ctrl |= (E1000_CTRL_TFCE | E1000_CTRL_RFCE);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
		DEBUGOUT("Flow control param set incorrectly\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
		return -E1000_ERR_CONFIG;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
	/* Disable TX Flow Control for 82542 (rev 2.0) */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
	if (hw->mac_type == e1000_82542_rev2_0)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
		ctrl &= (~E1000_CTRL_TFCE);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
	ew32(CTRL, ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
 * e1000_config_fc_after_link_up - configure flow control after autoneg
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
 * Configures flow control settings after link is established
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
 * Should be called immediately after a valid link has been established.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
 * Forces MAC flow control settings if link was forced. When in MII/GMII mode
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
 * and autonegotiation is enabled, the MAC flow control settings will be set
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
 * based on the flow control negotiated by the PHY. In TBI mode, the TFCE
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
 * and RFCE bits will be automatically set to the negotiated flow control mode.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
static s32 e1000_config_fc_after_link_up(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
	u16 mii_status_reg;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
	u16 mii_nway_adv_reg;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
	u16 mii_nway_lp_ability_reg;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
	u16 speed;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
	u16 duplex;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
	DEBUGFUNC("e1000_config_fc_after_link_up");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
	/* Check for the case where we have fiber media and auto-neg failed
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
	 * so we had to force link.  In this case, we need to force the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
	 * configuration of the MAC to match the "fc" parameter.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
	if (((hw->media_type == e1000_media_type_fiber) && (hw->autoneg_failed))
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
	    || ((hw->media_type == e1000_media_type_internal_serdes)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
		&& (hw->autoneg_failed))
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
	    || ((hw->media_type == e1000_media_type_copper)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
		&& (!hw->autoneg))) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
		ret_val = e1000_force_mac_fc(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
		if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
			DEBUGOUT("Error forcing flow control settings\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
	/* Check for the case where we have copper media and auto-neg is
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	 * enabled.  In this case, we need to check and see if Auto-Neg
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	 * has completed, and if so, how the PHY and link partner has
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
	 * flow control configured.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
	if ((hw->media_type == e1000_media_type_copper) && hw->autoneg) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
		/* Read the MII Status Register and check to see if AutoNeg
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
		 * has completed.  We read this twice because this reg has
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
		 * some "sticky" (latched) bits.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
		if (mii_status_reg & MII_SR_AUTONEG_COMPLETE) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
			/* The AutoNeg process has completed, so we now need to
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
			 * read both the Auto Negotiation Advertisement Register
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
			 * (Address 4) and the Auto_Negotiation Base Page Ability
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
			 * Register (Address 5) to determine how flow control was
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
			 * negotiated.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
			 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
			ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_ADV,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
						     &mii_nway_adv_reg);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
			ret_val = e1000_read_phy_reg(hw, PHY_LP_ABILITY,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
						     &mii_nway_lp_ability_reg);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
			/* Two bits in the Auto Negotiation Advertisement Register
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
			 * (Address 4) and two bits in the Auto Negotiation Base
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
			 * Page Ability Register (Address 5) determine flow control
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
			 * for both the PHY and the link partner.  The following
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
			 * table, taken out of the IEEE 802.3ab/D6.0 dated March 25,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
			 * 1999, describes these PAUSE resolution bits and how flow
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
			 * control is determined based upon these settings.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
			 * NOTE:  DC = Don't Care
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
			 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
			 *   LOCAL DEVICE  |   LINK PARTNER
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
			 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
			 *-------|---------|-------|---------|--------------------
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
			 *   0   |    0    |  DC   |   DC    | E1000_FC_NONE
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
			 *   0   |    1    |   0   |   DC    | E1000_FC_NONE
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
			 *   0   |    1    |   1   |    0    | E1000_FC_NONE
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
			 *   0   |    1    |   1   |    1    | E1000_FC_TX_PAUSE
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
			 *   1   |    0    |   0   |   DC    | E1000_FC_NONE
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
			 *   1   |   DC    |   1   |   DC    | E1000_FC_FULL
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
			 *   1   |    1    |   0   |    0    | E1000_FC_NONE
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
			 *   1   |    1    |   0   |    1    | E1000_FC_RX_PAUSE
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
			 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
			 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
			/* Are both PAUSE bits set to 1?  If so, this implies
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
			 * Symmetric Flow Control is enabled at both ends.  The
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
			 * ASM_DIR bits are irrelevant per the spec.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
			 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
			 * For Symmetric Flow Control:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
			 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
			 *   LOCAL DEVICE  |   LINK PARTNER
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
			 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
			 *-------|---------|-------|---------|--------------------
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
			 *   1   |   DC    |   1   |   DC    | E1000_FC_FULL
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
			 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
			 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
			if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
			    (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
				/* Now we need to check if the user selected RX ONLY
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
				 * of pause frames.  In this case, we had to advertise
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
				 * FULL flow control because we could not advertise RX
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
				 * ONLY. Hence, we must now check to see if we need to
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
				 * turn OFF  the TRANSMISSION of PAUSE frames.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
				 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
				if (hw->original_fc == E1000_FC_FULL) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
					hw->fc = E1000_FC_FULL;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
					DEBUGOUT("Flow Control = FULL.\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
				} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
					hw->fc = E1000_FC_RX_PAUSE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
					DEBUGOUT
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
					    ("Flow Control = RX PAUSE frames only.\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
				}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
			/* For receiving PAUSE frames ONLY.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
			 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
			 *   LOCAL DEVICE  |   LINK PARTNER
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
			 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
			 *-------|---------|-------|---------|--------------------
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
			 *   0   |    1    |   1   |    1    | E1000_FC_TX_PAUSE
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
			 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
			 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
			else if (!(mii_nway_adv_reg & NWAY_AR_PAUSE) &&
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
				 (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
				 (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
				 (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR))
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
			{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
				hw->fc = E1000_FC_TX_PAUSE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
				DEBUGOUT
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
				    ("Flow Control = TX PAUSE frames only.\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
			/* For transmitting PAUSE frames ONLY.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
			 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
			 *   LOCAL DEVICE  |   LINK PARTNER
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
			 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
			 *-------|---------|-------|---------|--------------------
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
			 *   1   |    1    |   0   |    1    | E1000_FC_RX_PAUSE
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
			 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
			 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
			else if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
				 (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
				 !(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
				 (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR))
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
			{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
				hw->fc = E1000_FC_RX_PAUSE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
				DEBUGOUT
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
				    ("Flow Control = RX PAUSE frames only.\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
			/* Per the IEEE spec, at this point flow control should be
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
			 * disabled.  However, we want to consider that we could
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
			 * be connected to a legacy switch that doesn't advertise
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
			 * desired flow control, but can be forced on the link
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
			 * partner.  So if we advertised no flow control, that is
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
			 * what we will resolve to.  If we advertised some kind of
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
			 * receive capability (Rx Pause Only or Full Flow Control)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
			 * and the link partner advertised none, we will configure
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
			 * ourselves to enable Rx Flow Control only.  We can do
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
			 * this safely for two reasons:  If the link partner really
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
			 * didn't want flow control enabled, and we enable Rx, no
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
			 * harm done since we won't be receiving any PAUSE frames
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
			 * anyway.  If the intent on the link partner was to have
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
			 * flow control enabled, then by us enabling RX only, we
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
			 * can at least receive pause frames and process them.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
			 * This is a good idea because in most cases, since we are
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
			 * predominantly a server NIC, more times than not we will
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
			 * be asked to delay transmission of packets than asking
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
			 * our link partner to pause transmission of frames.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
			 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
			else if ((hw->original_fc == E1000_FC_NONE ||
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
				  hw->original_fc == E1000_FC_TX_PAUSE) ||
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
				 hw->fc_strict_ieee) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
				hw->fc = E1000_FC_NONE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
				DEBUGOUT("Flow Control = NONE.\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
			} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
				hw->fc = E1000_FC_RX_PAUSE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
				DEBUGOUT
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
				    ("Flow Control = RX PAUSE frames only.\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
			/* Now we need to do one last check...  If we auto-
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
			 * negotiated to HALF DUPLEX, flow control should not be
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
			 * enabled per IEEE 802.3 spec.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
			 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
			    e1000_get_speed_and_duplex(hw, &speed, &duplex);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
			if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
				DEBUGOUT
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
				    ("Error getting link speed and duplex\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
			if (duplex == HALF_DUPLEX)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
				hw->fc = E1000_FC_NONE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
			/* Now we call a subroutine to actually force the MAC
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
			 * controller to use the correct flow control settings.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
			 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
			ret_val = e1000_force_mac_fc(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
			if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
				DEBUGOUT
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
				    ("Error forcing flow control settings\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
		} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
			DEBUGOUT
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
			    ("Copper PHY and Auto Neg has not completed.\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
 * e1000_check_for_serdes_link_generic - Check for link (Serdes)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
 * @hw: pointer to the HW structure
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
 * Checks for link up on the hardware.  If link is not up and we have
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
 * a signal, then we need to force link up.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
static s32 e1000_check_for_serdes_link_generic(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
	u32 rxcw;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
	u32 ctrl;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
	u32 status;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
	s32 ret_val = E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
	DEBUGFUNC("e1000_check_for_serdes_link_generic");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
	ctrl = er32(CTRL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
	status = er32(STATUS);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
	rxcw = er32(RXCW);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
	/*
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
	 * If we don't have link (auto-negotiation failed or link partner
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
	 * cannot auto-negotiate), and our link partner is not trying to
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
	 * auto-negotiate with us (we are receiving idles or data),
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
	 * we need to force link up. We also need to give auto-negotiation
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
	 * time to complete.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
	/* (ctrl & E1000_CTRL_SWDPIN1) == 1 == have signal */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
	if ((!(status & E1000_STATUS_LU)) && (!(rxcw & E1000_RXCW_C))) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
		if (hw->autoneg_failed == 0) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
			hw->autoneg_failed = 1;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
			goto out;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
		DEBUGOUT("NOT RXing /C/, disable AutoNeg and force link.\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
		/* Disable auto-negotiation in the TXCW register */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
		ew32(TXCW, (hw->txcw & ~E1000_TXCW_ANE));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
		/* Force link-up and also force full-duplex. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
		ctrl = er32(CTRL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
		ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FD);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
		ew32(CTRL, ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
		/* Configure Flow Control after forcing link up. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
		ret_val = e1000_config_fc_after_link_up(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
		if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
			DEBUGOUT("Error configuring flow control\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
			goto out;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
	} else if ((ctrl & E1000_CTRL_SLU) && (rxcw & E1000_RXCW_C)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
		/*
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
		 * If we are forcing link and we are receiving /C/ ordered
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
		 * sets, re-enable auto-negotiation in the TXCW register
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
		 * and disable forced link in the Device Control register
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
		 * in an attempt to auto-negotiate with our link partner.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
		DEBUGOUT("RXing /C/, enable AutoNeg and stop forcing link.\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
		ew32(TXCW, hw->txcw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
		ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
		hw->serdes_has_link = true;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
	} else if (!(E1000_TXCW_ANE & er32(TXCW))) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
		/*
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
		 * If we force link for non-auto-negotiation switch, check
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
		 * link status based on MAC synchronization for internal
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
		 * serdes media type.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
		/* SYNCH bit and IV bit are sticky. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
		udelay(10);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
		rxcw = er32(RXCW);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
		if (rxcw & E1000_RXCW_SYNCH) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
			if (!(rxcw & E1000_RXCW_IV)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
				hw->serdes_has_link = true;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
				DEBUGOUT("SERDES: Link up - forced.\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
		} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
			hw->serdes_has_link = false;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
			DEBUGOUT("SERDES: Link down - force failed.\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
	if (E1000_TXCW_ANE & er32(TXCW)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
		status = er32(STATUS);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
		if (status & E1000_STATUS_LU) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
			/* SYNCH bit and IV bit are sticky, so reread rxcw. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
			udelay(10);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
			rxcw = er32(RXCW);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
			if (rxcw & E1000_RXCW_SYNCH) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
				if (!(rxcw & E1000_RXCW_IV)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
					hw->serdes_has_link = true;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
					DEBUGOUT("SERDES: Link up - autoneg "
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
						 "completed successfully.\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
				} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
					hw->serdes_has_link = false;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
					DEBUGOUT("SERDES: Link down - invalid"
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
						 "codewords detected in autoneg.\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
				}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
			} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
				hw->serdes_has_link = false;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
				DEBUGOUT("SERDES: Link down - no sync.\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
		} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
			hw->serdes_has_link = false;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
			DEBUGOUT("SERDES: Link down - autoneg failed\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
      out:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
	return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
 * e1000_check_for_link
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
 * Checks to see if the link status of the hardware has changed.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
 * Called by any function that needs to check the link status of the adapter.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
s32 e1000_check_for_link(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
	u32 rxcw = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
	u32 ctrl;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
	u32 status;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
	u32 rctl;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
	u32 icr;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
	u32 signal = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
	u16 phy_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
	DEBUGFUNC("e1000_check_for_link");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
	ctrl = er32(CTRL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
	status = er32(STATUS);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
	/* On adapters with a MAC newer than 82544, SW Definable pin 1 will be
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
	 * set when the optics detect a signal. On older adapters, it will be
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
	 * cleared when there is a signal.  This applies to fiber media only.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
	if ((hw->media_type == e1000_media_type_fiber) ||
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
	    (hw->media_type == e1000_media_type_internal_serdes)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
		rxcw = er32(RXCW);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
		if (hw->media_type == e1000_media_type_fiber) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
			signal =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
			    (hw->mac_type >
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
			     e1000_82544) ? E1000_CTRL_SWDPIN1 : 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
			if (status & E1000_STATUS_LU)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
				hw->get_link_status = false;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
	/* If we have a copper PHY then we only want to go out to the PHY
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
	 * registers to see if Auto-Neg has completed and/or if our link
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
	 * status has changed.  The get_link_status flag will be set if we
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
	 * receive a Link Status Change interrupt or we have Rx Sequence
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
	 * Errors.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
	if ((hw->media_type == e1000_media_type_copper) && hw->get_link_status) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
		/* First we want to see if the MII Status Register reports
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
		 * link.  If so, then we want to get the current speed/duplex
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
		 * of the PHY.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
		 * Read the register twice since the link bit is sticky.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
		if (phy_data & MII_SR_LINK_STATUS) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
			hw->get_link_status = false;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
			/* Check if there was DownShift, must be checked immediately after
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
			 * link-up */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
			e1000_check_downshift(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
			/* If we are on 82544 or 82543 silicon and speed/duplex
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
			 * are forced to 10H or 10F, then we will implement the polarity
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
			 * reversal workaround.  We disable interrupts first, and upon
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
			 * returning, place the devices interrupt state to its previous
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
			 * value except for the link status change interrupt which will
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
			 * happen due to the execution of this workaround.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
			 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
			if ((hw->mac_type == e1000_82544
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
			     || hw->mac_type == e1000_82543) && (!hw->autoneg)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
			    && (hw->forced_speed_duplex == e1000_10_full
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
				|| hw->forced_speed_duplex == e1000_10_half)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
				ew32(IMC, 0xffffffff);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
				ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
				    e1000_polarity_reversal_workaround(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
				icr = er32(ICR);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
				ew32(ICS, (icr & ~E1000_ICS_LSC));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
				ew32(IMS, IMS_ENABLE_MASK);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
		} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
			/* No link detected */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
			e1000_config_dsp_after_link_change(hw, false);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
			return 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
		/* If we are forcing speed/duplex, then we simply return since
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
		 * we have already determined whether we have link or not.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
		if (!hw->autoneg)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
			return -E1000_ERR_CONFIG;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
		/* optimize the dsp settings for the igp phy */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
		e1000_config_dsp_after_link_change(hw, true);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
		/* We have a M88E1000 PHY and Auto-Neg is enabled.  If we
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
		 * have Si on board that is 82544 or newer, Auto
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
		 * Speed Detection takes care of MAC speed/duplex
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
		 * configuration.  So we only need to configure Collision
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
		 * Distance in the MAC.  Otherwise, we need to force
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
		 * speed/duplex on the MAC to the current PHY speed/duplex
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
		 * settings.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
		if (hw->mac_type >= e1000_82544)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
			e1000_config_collision_dist(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
		else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
			ret_val = e1000_config_mac_to_phy(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
			if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
				DEBUGOUT
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
				    ("Error configuring MAC to PHY settings\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
		/* Configure Flow Control now that Auto-Neg has completed. First, we
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
		 * need to restore the desired flow control settings because we may
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
		 * have had to re-autoneg with a different link partner.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
		ret_val = e1000_config_fc_after_link_up(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
		if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
			DEBUGOUT("Error configuring flow control\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
		/* At this point we know that we are on copper and we have
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
		 * auto-negotiated link.  These are conditions for checking the link
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
		 * partner capability register.  We use the link speed to determine if
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
		 * TBI compatibility needs to be turned on or off.  If the link is not
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
		 * at gigabit speed, then TBI compatibility is not needed.  If we are
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
		 * at gigabit speed, we turn on TBI compatibility.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
		if (hw->tbi_compatibility_en) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
			u16 speed, duplex;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
			    e1000_get_speed_and_duplex(hw, &speed, &duplex);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
			if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
				DEBUGOUT
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
				    ("Error getting link speed and duplex\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
			if (speed != SPEED_1000) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
				/* If link speed is not set to gigabit speed, we do not need
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
				 * to enable TBI compatibility.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
				 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
				if (hw->tbi_compatibility_on) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
					/* If we previously were in the mode, turn it off. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
					rctl = er32(RCTL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
					rctl &= ~E1000_RCTL_SBP;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
					ew32(RCTL, rctl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
					hw->tbi_compatibility_on = false;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
				}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
			} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
				/* If TBI compatibility is was previously off, turn it on. For
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
				 * compatibility with a TBI link partner, we will store bad
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
				 * packets. Some frames have an additional byte on the end and
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
				 * will look like CRC errors to to the hardware.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
				 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
				if (!hw->tbi_compatibility_on) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
					hw->tbi_compatibility_on = true;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
					rctl = er32(RCTL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
					rctl |= E1000_RCTL_SBP;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
					ew32(RCTL, rctl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
				}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
	if ((hw->media_type == e1000_media_type_fiber) ||
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
	    (hw->media_type == e1000_media_type_internal_serdes))
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
		e1000_check_for_serdes_link_generic(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
 * e1000_get_speed_and_duplex
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
 * @speed: Speed of the connection
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
 * @duplex: Duplex setting of the connection
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
 * Detects the current speed and duplex settings of the hardware.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
s32 e1000_get_speed_and_duplex(struct e1000_hw *hw, u16 *speed, u16 *duplex)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
	u32 status;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
	u16 phy_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
	DEBUGFUNC("e1000_get_speed_and_duplex");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
	if (hw->mac_type >= e1000_82543) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
		status = er32(STATUS);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
		if (status & E1000_STATUS_SPEED_1000) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
			*speed = SPEED_1000;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
			DEBUGOUT("1000 Mbs, ");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
		} else if (status & E1000_STATUS_SPEED_100) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
			*speed = SPEED_100;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
			DEBUGOUT("100 Mbs, ");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
		} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
			*speed = SPEED_10;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
			DEBUGOUT("10 Mbs, ");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
		if (status & E1000_STATUS_FD) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
			*duplex = FULL_DUPLEX;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
			DEBUGOUT("Full Duplex\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
		} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
			*duplex = HALF_DUPLEX;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
			DEBUGOUT(" Half Duplex\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
	} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
		DEBUGOUT("1000 Mbs, Full Duplex\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
		*speed = SPEED_1000;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
		*duplex = FULL_DUPLEX;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
	/* IGP01 PHY may advertise full duplex operation after speed downgrade even
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
	 * if it is operating at half duplex.  Here we set the duplex settings to
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
	 * match the duplex in the link partner's capabilities.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
	if (hw->phy_type == e1000_phy_igp && hw->speed_downgraded) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
		ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_EXP, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
		if (!(phy_data & NWAY_ER_LP_NWAY_CAPS))
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
			*duplex = HALF_DUPLEX;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
		else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
			    e1000_read_phy_reg(hw, PHY_LP_ABILITY, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
			if ((*speed == SPEED_100
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
			     && !(phy_data & NWAY_LPAR_100TX_FD_CAPS))
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
			    || (*speed == SPEED_10
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
				&& !(phy_data & NWAY_LPAR_10T_FD_CAPS)))
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
				*duplex = HALF_DUPLEX;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
 * e1000_wait_autoneg
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
 * Blocks until autoneg completes or times out (~4.5 seconds)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
static s32 e1000_wait_autoneg(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
	u16 i;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
	u16 phy_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
	DEBUGFUNC("e1000_wait_autoneg");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
	DEBUGOUT("Waiting for Auto-Neg to complete.\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
	/* We will wait for autoneg to complete or 4.5 seconds to expire. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
	for (i = PHY_AUTO_NEG_TIME; i > 0; i--) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
		/* Read the MII Status Register and wait for Auto-Neg
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
		 * Complete bit to be set.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
		if (phy_data & MII_SR_AUTONEG_COMPLETE) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
			return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
		msleep(100);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
 * e1000_raise_mdi_clk - Raises the Management Data Clock
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
 * @ctrl: Device control register's current value
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
static void e1000_raise_mdi_clk(struct e1000_hw *hw, u32 *ctrl)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
	/* Raise the clock input to the Management Data Clock (by setting the MDC
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
	 * bit), and then delay 10 microseconds.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
	ew32(CTRL, (*ctrl | E1000_CTRL_MDC));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
	E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
	udelay(10);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
 * e1000_lower_mdi_clk - Lowers the Management Data Clock
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
 * @ctrl: Device control register's current value
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
static void e1000_lower_mdi_clk(struct e1000_hw *hw, u32 *ctrl)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
	/* Lower the clock input to the Management Data Clock (by clearing the MDC
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
	 * bit), and then delay 10 microseconds.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
	ew32(CTRL, (*ctrl & ~E1000_CTRL_MDC));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
	E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
	udelay(10);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
 * e1000_shift_out_mdi_bits - Shifts data bits out to the PHY
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
 * @data: Data to send out to the PHY
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
 * @count: Number of bits to shift out
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
 * Bits are shifted out in MSB to LSB order.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
static void e1000_shift_out_mdi_bits(struct e1000_hw *hw, u32 data, u16 count)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
	u32 ctrl;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
	u32 mask;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
	/* We need to shift "count" number of bits out to the PHY. So, the value
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
	 * in the "data" parameter will be shifted out to the PHY one bit at a
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
	 * time. In order to do this, "data" must be broken down into bits.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
	mask = 0x01;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
	mask <<= (count - 1);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
	ctrl = er32(CTRL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
	/* Set MDIO_DIR and MDC_DIR direction bits to be used as output pins. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
	ctrl |= (E1000_CTRL_MDIO_DIR | E1000_CTRL_MDC_DIR);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
	while (mask) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
		/* A "1" is shifted out to the PHY by setting the MDIO bit to "1" and
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
		 * then raising and lowering the Management Data Clock. A "0" is
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
		 * shifted out to the PHY by setting the MDIO bit to "0" and then
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
		 * raising and lowering the clock.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
		if (data & mask)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
			ctrl |= E1000_CTRL_MDIO;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
		else
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
			ctrl &= ~E1000_CTRL_MDIO;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
		ew32(CTRL, ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
		udelay(10);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
		e1000_raise_mdi_clk(hw, &ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
		e1000_lower_mdi_clk(hw, &ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
		mask = mask >> 1;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
 * e1000_shift_in_mdi_bits - Shifts data bits in from the PHY
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
 * Bits are shifted in in MSB to LSB order.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
static u16 e1000_shift_in_mdi_bits(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
	u32 ctrl;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
	u16 data = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
	u8 i;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
	/* In order to read a register from the PHY, we need to shift in a total
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
	 * of 18 bits from the PHY. The first two bit (turnaround) times are used
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
	 * to avoid contention on the MDIO pin when a read operation is performed.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
	 * These two bits are ignored by us and thrown away. Bits are "shifted in"
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
	 * by raising the input to the Management Data Clock (setting the MDC bit),
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
	 * and then reading the value of the MDIO bit.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
	ctrl = er32(CTRL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
	/* Clear MDIO_DIR (SWDPIO1) to indicate this bit is to be used as input. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
	ctrl &= ~E1000_CTRL_MDIO_DIR;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
	ctrl &= ~E1000_CTRL_MDIO;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
	ew32(CTRL, ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
	E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
	/* Raise and Lower the clock before reading in the data. This accounts for
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
	 * the turnaround bits. The first clock occurred when we clocked out the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
	 * last bit of the Register Address.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
	e1000_raise_mdi_clk(hw, &ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
	e1000_lower_mdi_clk(hw, &ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
	for (data = 0, i = 0; i < 16; i++) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
		data = data << 1;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
		e1000_raise_mdi_clk(hw, &ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
		ctrl = er32(CTRL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
		/* Check to see if we shifted in a "1". */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
		if (ctrl & E1000_CTRL_MDIO)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
			data |= 1;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
		e1000_lower_mdi_clk(hw, &ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
	e1000_raise_mdi_clk(hw, &ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
	e1000_lower_mdi_clk(hw, &ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
	return data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
 * e1000_read_phy_reg - read a phy register
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
 * @reg_addr: address of the PHY register to read
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
 * Reads the value from a PHY register, if the value is on a specific non zero
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
 * page, sets the page first.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
s32 e1000_read_phy_reg(struct e1000_hw *hw, u32 reg_addr, u16 *phy_data)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
	u32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
	DEBUGFUNC("e1000_read_phy_reg");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
	if ((hw->phy_type == e1000_phy_igp) &&
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
	    (reg_addr > MAX_PHY_MULTI_PAGE_REG)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
		ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
						 (u16) reg_addr);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
	ret_val = e1000_read_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
					phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
	return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
static s32 e1000_read_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
				 u16 *phy_data)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
	u32 i;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
	u32 mdic = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
	const u32 phy_addr = 1;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
	DEBUGFUNC("e1000_read_phy_reg_ex");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
	if (reg_addr > MAX_PHY_REG_ADDRESS) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
		DEBUGOUT1("PHY Address %d is out of range\n", reg_addr);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
		return -E1000_ERR_PARAM;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
	if (hw->mac_type > e1000_82543) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
		/* Set up Op-code, Phy Address, and register address in the MDI
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
		 * Control register.  The MAC will take care of interfacing with the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
		 * PHY to retrieve the desired data.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
		mdic = ((reg_addr << E1000_MDIC_REG_SHIFT) |
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
			(phy_addr << E1000_MDIC_PHY_SHIFT) |
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
			(E1000_MDIC_OP_READ));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
		ew32(MDIC, mdic);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
		/* Poll the ready bit to see if the MDI read completed */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
		for (i = 0; i < 64; i++) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
			udelay(50);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
			mdic = er32(MDIC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
			if (mdic & E1000_MDIC_READY)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
				break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
		if (!(mdic & E1000_MDIC_READY)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
			DEBUGOUT("MDI Read did not complete\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
			return -E1000_ERR_PHY;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
		if (mdic & E1000_MDIC_ERROR) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
			DEBUGOUT("MDI Error\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
			return -E1000_ERR_PHY;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
		*phy_data = (u16) mdic;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
	} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
		/* We must first send a preamble through the MDIO pin to signal the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
		 * beginning of an MII instruction.  This is done by sending 32
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
		 * consecutive "1" bits.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
		e1000_shift_out_mdi_bits(hw, PHY_PREAMBLE, PHY_PREAMBLE_SIZE);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
		/* Now combine the next few fields that are required for a read
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
		 * operation.  We use this method instead of calling the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
		 * e1000_shift_out_mdi_bits routine five different times. The format of
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
		 * a MII read instruction consists of a shift out of 14 bits and is
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
		 * defined as follows:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
		 *    <Preamble><SOF><Op Code><Phy Addr><Reg Addr>
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
		 * followed by a shift in of 18 bits.  This first two bits shifted in
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
		 * are TurnAround bits used to avoid contention on the MDIO pin when a
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
		 * READ operation is performed.  These two bits are thrown away
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
		 * followed by a shift in of 16 bits which contains the desired data.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
		mdic = ((reg_addr) | (phy_addr << 5) |
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
			(PHY_OP_READ << 10) | (PHY_SOF << 12));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
		e1000_shift_out_mdi_bits(hw, mdic, 14);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
		/* Now that we've shifted out the read command to the MII, we need to
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
		 * "shift in" the 16-bit value (18 total bits) of the requested PHY
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
		 * register address.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
		*phy_data = e1000_shift_in_mdi_bits(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
 * e1000_write_phy_reg - write a phy register
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
 * @reg_addr: address of the PHY register to write
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
 * @data: data to write to the PHY
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
 * Writes a value to a PHY register
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 reg_addr, u16 phy_data)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
	u32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
	DEBUGFUNC("e1000_write_phy_reg");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
	if ((hw->phy_type == e1000_phy_igp) &&
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
	    (reg_addr > MAX_PHY_MULTI_PAGE_REG)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
		ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
						 (u16) reg_addr);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
	ret_val = e1000_write_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
					 phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
	return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
static s32 e1000_write_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
				  u16 phy_data)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
	u32 i;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
	u32 mdic = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
	const u32 phy_addr = 1;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
	DEBUGFUNC("e1000_write_phy_reg_ex");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
	if (reg_addr > MAX_PHY_REG_ADDRESS) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
		DEBUGOUT1("PHY Address %d is out of range\n", reg_addr);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
		return -E1000_ERR_PARAM;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
	if (hw->mac_type > e1000_82543) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
		/* Set up Op-code, Phy Address, register address, and data intended
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
		 * for the PHY register in the MDI Control register.  The MAC will take
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
		 * care of interfacing with the PHY to send the desired data.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
		mdic = (((u32) phy_data) |
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
			(reg_addr << E1000_MDIC_REG_SHIFT) |
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
			(phy_addr << E1000_MDIC_PHY_SHIFT) |
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
			(E1000_MDIC_OP_WRITE));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
		ew32(MDIC, mdic);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
		/* Poll the ready bit to see if the MDI read completed */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
		for (i = 0; i < 641; i++) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
			udelay(5);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
			mdic = er32(MDIC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
			if (mdic & E1000_MDIC_READY)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
				break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
		if (!(mdic & E1000_MDIC_READY)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
			DEBUGOUT("MDI Write did not complete\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
			return -E1000_ERR_PHY;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
	} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
		/* We'll need to use the SW defined pins to shift the write command
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
		 * out to the PHY. We first send a preamble to the PHY to signal the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
		 * beginning of the MII instruction.  This is done by sending 32
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
		 * consecutive "1" bits.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
		e1000_shift_out_mdi_bits(hw, PHY_PREAMBLE, PHY_PREAMBLE_SIZE);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
		/* Now combine the remaining required fields that will indicate a
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
		 * write operation. We use this method instead of calling the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
		 * e1000_shift_out_mdi_bits routine for each field in the command. The
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
		 * format of a MII write instruction is as follows:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
		 * <Preamble><SOF><Op Code><Phy Addr><Reg Addr><Turnaround><Data>.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
		mdic = ((PHY_TURNAROUND) | (reg_addr << 2) | (phy_addr << 7) |
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
			(PHY_OP_WRITE << 12) | (PHY_SOF << 14));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
		mdic <<= 16;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
		mdic |= (u32) phy_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
		e1000_shift_out_mdi_bits(hw, mdic, 32);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
 * e1000_phy_hw_reset - reset the phy, hardware style
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
 * Returns the PHY to the power-on reset state
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
s32 e1000_phy_hw_reset(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
	u32 ctrl, ctrl_ext;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
	u32 led_ctrl;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
	DEBUGFUNC("e1000_phy_hw_reset");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
	DEBUGOUT("Resetting Phy...\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
	if (hw->mac_type > e1000_82543) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
		/* Read the device control register and assert the E1000_CTRL_PHY_RST
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
		 * bit. Then, take it out of reset.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
		 * For e1000 hardware, we delay for 10ms between the assert
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
		 * and deassert.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
		ctrl = er32(CTRL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
		ew32(CTRL, ctrl | E1000_CTRL_PHY_RST);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
		msleep(10);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
		ew32(CTRL, ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
	} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
		/* Read the Extended Device Control Register, assert the PHY_RESET_DIR
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
		 * bit to put the PHY into reset. Then, take it out of reset.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
		ctrl_ext = er32(CTRL_EXT);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
		ctrl_ext |= E1000_CTRL_EXT_SDP4_DIR;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
		ctrl_ext &= ~E1000_CTRL_EXT_SDP4_DATA;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
		ew32(CTRL_EXT, ctrl_ext);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
		msleep(10);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
		ctrl_ext |= E1000_CTRL_EXT_SDP4_DATA;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
		ew32(CTRL_EXT, ctrl_ext);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
	udelay(150);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
	if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
		/* Configure activity LED after PHY reset */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
		led_ctrl = er32(LEDCTL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
		led_ctrl &= IGP_ACTIVITY_LED_MASK;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
		led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
		ew32(LEDCTL, led_ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
	/* Wait for FW to finish PHY configuration. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
	ret_val = e1000_get_phy_cfg_done(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
	if (ret_val != E1000_SUCCESS)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
	return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
 * e1000_phy_reset - reset the phy to commit settings
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
 * Resets the PHY
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
 * Sets bit 15 of the MII Control register
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
s32 e1000_phy_reset(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
	u16 phy_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
	DEBUGFUNC("e1000_phy_reset");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
	switch (hw->phy_type) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
	case e1000_phy_igp:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
		ret_val = e1000_phy_hw_reset(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
		ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
		phy_data |= MII_CR_RESET;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
		ret_val = e1000_write_phy_reg(hw, PHY_CTRL, phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
		udelay(1);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
	if (hw->phy_type == e1000_phy_igp)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
		e1000_phy_init_script(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
 * e1000_detect_gig_phy - check the phy type
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
 * Probes the expected PHY address for known PHY IDs
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
static s32 e1000_detect_gig_phy(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
	s32 phy_init_status, ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
	u16 phy_id_high, phy_id_low;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
	bool match = false;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
	DEBUGFUNC("e1000_detect_gig_phy");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
	if (hw->phy_id != 0)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
		return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
	/* Read the PHY ID Registers to identify which PHY is onboard. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
	ret_val = e1000_read_phy_reg(hw, PHY_ID1, &phy_id_high);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
	hw->phy_id = (u32) (phy_id_high << 16);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
	udelay(20);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
	ret_val = e1000_read_phy_reg(hw, PHY_ID2, &phy_id_low);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
	hw->phy_id |= (u32) (phy_id_low & PHY_REVISION_MASK);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
	hw->phy_revision = (u32) phy_id_low & ~PHY_REVISION_MASK;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
	switch (hw->mac_type) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
	case e1000_82543:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
		if (hw->phy_id == M88E1000_E_PHY_ID)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
			match = true;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
	case e1000_82544:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
		if (hw->phy_id == M88E1000_I_PHY_ID)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
			match = true;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
	case e1000_82540:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
	case e1000_82545:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
	case e1000_82545_rev_3:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
	case e1000_82546:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
	case e1000_82546_rev_3:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
		if (hw->phy_id == M88E1011_I_PHY_ID)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
			match = true;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
	case e1000_82541:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
	case e1000_82541_rev_2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
	case e1000_82547:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
	case e1000_82547_rev_2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
		if (hw->phy_id == IGP01E1000_I_PHY_ID)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
			match = true;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
		DEBUGOUT1("Invalid MAC type %d\n", hw->mac_type);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
		return -E1000_ERR_CONFIG;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
	phy_init_status = e1000_set_phy_type(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
	if ((match) && (phy_init_status == E1000_SUCCESS)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
		DEBUGOUT1("PHY ID 0x%X detected\n", hw->phy_id);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
		return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
	DEBUGOUT1("Invalid PHY ID 0x%X\n", hw->phy_id);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
	return -E1000_ERR_PHY;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
 * e1000_phy_reset_dsp - reset DSP
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
 * Resets the PHY's DSP
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
static s32 e1000_phy_reset_dsp(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
	DEBUGFUNC("e1000_phy_reset_dsp");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
	do {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
		ret_val = e1000_write_phy_reg(hw, 29, 0x001d);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
		ret_val = e1000_write_phy_reg(hw, 30, 0x00c1);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
		ret_val = e1000_write_phy_reg(hw, 30, 0x0000);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
		ret_val = E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
	} while (0);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
	return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
 * e1000_phy_igp_get_info - get igp specific registers
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
 * @phy_info: PHY information structure
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
 * Get PHY information from various PHY registers for igp PHY only.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
static s32 e1000_phy_igp_get_info(struct e1000_hw *hw,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
				  struct e1000_phy_info *phy_info)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
	u16 phy_data, min_length, max_length, average;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
	e1000_rev_polarity polarity;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
	DEBUGFUNC("e1000_phy_igp_get_info");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
	/* The downshift status is checked only once, after link is established,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
	 * and it stored in the hw->speed_downgraded parameter. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
	phy_info->downshift = (e1000_downshift) hw->speed_downgraded;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
	/* IGP01E1000 does not need to support it. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
	phy_info->extended_10bt_distance = e1000_10bt_ext_dist_enable_normal;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
	/* IGP01E1000 always correct polarity reversal */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
	phy_info->polarity_correction = e1000_polarity_reversal_enabled;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
	/* Check polarity status */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
	ret_val = e1000_check_polarity(hw, &polarity);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
	phy_info->cable_polarity = polarity;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
	ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
	phy_info->mdix_mode =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
	    (e1000_auto_x_mode) ((phy_data & IGP01E1000_PSSR_MDIX) >>
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
				 IGP01E1000_PSSR_MDIX_SHIFT);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
	if ((phy_data & IGP01E1000_PSSR_SPEED_MASK) ==
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
	    IGP01E1000_PSSR_SPEED_1000MBPS) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
		/* Local/Remote Receiver Information are only valid at 1000 Mbps */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
		ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
		phy_info->local_rx = ((phy_data & SR_1000T_LOCAL_RX_STATUS) >>
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
				      SR_1000T_LOCAL_RX_STATUS_SHIFT) ?
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
		    e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
		phy_info->remote_rx = ((phy_data & SR_1000T_REMOTE_RX_STATUS) >>
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
				       SR_1000T_REMOTE_RX_STATUS_SHIFT) ?
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
		    e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
		/* Get cable length */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
		ret_val = e1000_get_cable_length(hw, &min_length, &max_length);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
		/* Translate to old method */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
		average = (max_length + min_length) / 2;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
		if (average <= e1000_igp_cable_length_50)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
			phy_info->cable_length = e1000_cable_length_50;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
		else if (average <= e1000_igp_cable_length_80)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
			phy_info->cable_length = e1000_cable_length_50_80;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
		else if (average <= e1000_igp_cable_length_110)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
			phy_info->cable_length = e1000_cable_length_80_110;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
		else if (average <= e1000_igp_cable_length_140)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
			phy_info->cable_length = e1000_cable_length_110_140;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
		else
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
			phy_info->cable_length = e1000_cable_length_140;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
 * e1000_phy_m88_get_info - get m88 specific registers
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
 * @phy_info: PHY information structure
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
 * Get PHY information from various PHY registers for m88 PHY only.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
static s32 e1000_phy_m88_get_info(struct e1000_hw *hw,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
				  struct e1000_phy_info *phy_info)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
	u16 phy_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
	e1000_rev_polarity polarity;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
	DEBUGFUNC("e1000_phy_m88_get_info");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	/* The downshift status is checked only once, after link is established,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
	 * and it stored in the hw->speed_downgraded parameter. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
	phy_info->downshift = (e1000_downshift) hw->speed_downgraded;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
	phy_info->extended_10bt_distance =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
	    ((phy_data & M88E1000_PSCR_10BT_EXT_DIST_ENABLE) >>
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
	     M88E1000_PSCR_10BT_EXT_DIST_ENABLE_SHIFT) ?
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
	    e1000_10bt_ext_dist_enable_lower :
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
	    e1000_10bt_ext_dist_enable_normal;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
	phy_info->polarity_correction =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
	    ((phy_data & M88E1000_PSCR_POLARITY_REVERSAL) >>
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
	     M88E1000_PSCR_POLARITY_REVERSAL_SHIFT) ?
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
	    e1000_polarity_reversal_disabled : e1000_polarity_reversal_enabled;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
	/* Check polarity status */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
	ret_val = e1000_check_polarity(hw, &polarity);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
	phy_info->cable_polarity = polarity;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
	phy_info->mdix_mode =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
	    (e1000_auto_x_mode) ((phy_data & M88E1000_PSSR_MDIX) >>
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
				 M88E1000_PSSR_MDIX_SHIFT);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
	if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
		/* Cable Length Estimation and Local/Remote Receiver Information
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
		 * are only valid at 1000 Mbps.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
		phy_info->cable_length =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
		    (e1000_cable_length) ((phy_data &
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
					   M88E1000_PSSR_CABLE_LENGTH) >>
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
					  M88E1000_PSSR_CABLE_LENGTH_SHIFT);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
		ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
		phy_info->local_rx = ((phy_data & SR_1000T_LOCAL_RX_STATUS) >>
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
				      SR_1000T_LOCAL_RX_STATUS_SHIFT) ?
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
		    e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
		phy_info->remote_rx = ((phy_data & SR_1000T_REMOTE_RX_STATUS) >>
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
				       SR_1000T_REMOTE_RX_STATUS_SHIFT) ?
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
		    e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
 * e1000_phy_get_info - request phy info
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
 * @phy_info: PHY information structure
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
 * Get PHY information from various PHY registers
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
s32 e1000_phy_get_info(struct e1000_hw *hw, struct e1000_phy_info *phy_info)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
	u16 phy_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
	DEBUGFUNC("e1000_phy_get_info");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
	phy_info->cable_length = e1000_cable_length_undefined;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
	phy_info->extended_10bt_distance = e1000_10bt_ext_dist_enable_undefined;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	phy_info->cable_polarity = e1000_rev_polarity_undefined;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
	phy_info->downshift = e1000_downshift_undefined;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
	phy_info->polarity_correction = e1000_polarity_reversal_undefined;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
	phy_info->mdix_mode = e1000_auto_x_mode_undefined;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
	phy_info->local_rx = e1000_1000t_rx_status_undefined;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
	phy_info->remote_rx = e1000_1000t_rx_status_undefined;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
	if (hw->media_type != e1000_media_type_copper) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
		DEBUGOUT("PHY info is only valid for copper media\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
		return -E1000_ERR_CONFIG;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
	if ((phy_data & MII_SR_LINK_STATUS) != MII_SR_LINK_STATUS) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
		DEBUGOUT("PHY info is only valid if link is up\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
		return -E1000_ERR_CONFIG;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
	if (hw->phy_type == e1000_phy_igp)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
		return e1000_phy_igp_get_info(hw, phy_info);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
	else
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
		return e1000_phy_m88_get_info(hw, phy_info);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
s32 e1000_validate_mdi_setting(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
	DEBUGFUNC("e1000_validate_mdi_settings");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
	if (!hw->autoneg && (hw->mdix == 0 || hw->mdix == 3)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
		DEBUGOUT("Invalid MDI setting detected\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
		hw->mdix = 1;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
		return -E1000_ERR_CONFIG;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
 * e1000_init_eeprom_params - initialize sw eeprom vars
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
 * Sets up eeprom variables in the hw struct.  Must be called after mac_type
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
 * is configured.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
s32 e1000_init_eeprom_params(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
	u32 eecd = er32(EECD);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
	s32 ret_val = E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
	u16 eeprom_size;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
	DEBUGFUNC("e1000_init_eeprom_params");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
	switch (hw->mac_type) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
	case e1000_82542_rev2_0:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
	case e1000_82542_rev2_1:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
	case e1000_82543:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
	case e1000_82544:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
		eeprom->type = e1000_eeprom_microwire;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
		eeprom->word_size = 64;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
		eeprom->opcode_bits = 3;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
		eeprom->address_bits = 6;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
		eeprom->delay_usec = 50;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
	case e1000_82540:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
	case e1000_82545:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
	case e1000_82545_rev_3:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
	case e1000_82546:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
	case e1000_82546_rev_3:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
		eeprom->type = e1000_eeprom_microwire;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
		eeprom->opcode_bits = 3;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
		eeprom->delay_usec = 50;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
		if (eecd & E1000_EECD_SIZE) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
			eeprom->word_size = 256;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
			eeprom->address_bits = 8;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
		} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
			eeprom->word_size = 64;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
			eeprom->address_bits = 6;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
	case e1000_82541:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
	case e1000_82541_rev_2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	case e1000_82547:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
	case e1000_82547_rev_2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
		if (eecd & E1000_EECD_TYPE) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
			eeprom->type = e1000_eeprom_spi;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
			eeprom->opcode_bits = 8;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
			eeprom->delay_usec = 1;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
			if (eecd & E1000_EECD_ADDR_BITS) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
				eeprom->page_size = 32;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
				eeprom->address_bits = 16;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
			} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
				eeprom->page_size = 8;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
				eeprom->address_bits = 8;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
		} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
			eeprom->type = e1000_eeprom_microwire;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
			eeprom->opcode_bits = 3;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
			eeprom->delay_usec = 50;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
			if (eecd & E1000_EECD_ADDR_BITS) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
				eeprom->word_size = 256;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
				eeprom->address_bits = 8;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
			} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
				eeprom->word_size = 64;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
				eeprom->address_bits = 6;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
	if (eeprom->type == e1000_eeprom_spi) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
		/* eeprom_size will be an enum [0..8] that maps to eeprom sizes 128B to
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
		 * 32KB (incremented by powers of 2).
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
		/* Set to default value for initial eeprom read. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
		eeprom->word_size = 64;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
		ret_val = e1000_read_eeprom(hw, EEPROM_CFG, 1, &eeprom_size);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
		eeprom_size =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
		    (eeprom_size & EEPROM_SIZE_MASK) >> EEPROM_SIZE_SHIFT;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
		/* 256B eeprom size was not supported in earlier hardware, so we
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
		 * bump eeprom_size up one to ensure that "1" (which maps to 256B)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
		 * is never the result used in the shifting logic below. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
		if (eeprom_size)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
			eeprom_size++;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
		eeprom->word_size = 1 << (eeprom_size + EEPROM_WORD_SIZE_SHIFT);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
	return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
 * e1000_raise_ee_clk - Raises the EEPROM's clock input.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
 * @eecd: EECD's current value
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
static void e1000_raise_ee_clk(struct e1000_hw *hw, u32 *eecd)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
	/* Raise the clock input to the EEPROM (by setting the SK bit), and then
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
	 * wait <delay> microseconds.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
	*eecd = *eecd | E1000_EECD_SK;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
	ew32(EECD, *eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
	E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
	udelay(hw->eeprom.delay_usec);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
 * e1000_lower_ee_clk - Lowers the EEPROM's clock input.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
 * @eecd: EECD's current value
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
static void e1000_lower_ee_clk(struct e1000_hw *hw, u32 *eecd)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
	/* Lower the clock input to the EEPROM (by clearing the SK bit), and then
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
	 * wait 50 microseconds.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
	*eecd = *eecd & ~E1000_EECD_SK;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	ew32(EECD, *eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
	E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
	udelay(hw->eeprom.delay_usec);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
 * e1000_shift_out_ee_bits - Shift data bits out to the EEPROM.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
 * @data: data to send to the EEPROM
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
 * @count: number of bits to shift out
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
static void e1000_shift_out_ee_bits(struct e1000_hw *hw, u16 data, u16 count)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
	u32 eecd;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
	u32 mask;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
	/* We need to shift "count" bits out to the EEPROM. So, value in the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
	 * "data" parameter will be shifted out to the EEPROM one bit at a time.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
	 * In order to do this, "data" must be broken down into bits.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	mask = 0x01 << (count - 1);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
	eecd = er32(EECD);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
	if (eeprom->type == e1000_eeprom_microwire) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
		eecd &= ~E1000_EECD_DO;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
	} else if (eeprom->type == e1000_eeprom_spi) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
		eecd |= E1000_EECD_DO;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
	do {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
		/* A "1" is shifted out to the EEPROM by setting bit "DI" to a "1",
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
		 * and then raising and then lowering the clock (the SK bit controls
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
		 * the clock input to the EEPROM).  A "0" is shifted out to the EEPROM
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
		 * by setting "DI" to "0" and then raising and then lowering the clock.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
		eecd &= ~E1000_EECD_DI;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
		if (data & mask)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
			eecd |= E1000_EECD_DI;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
		ew32(EECD, eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
		udelay(eeprom->delay_usec);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
		e1000_raise_ee_clk(hw, &eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
		e1000_lower_ee_clk(hw, &eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
		mask = mask >> 1;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
	} while (mask);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
	/* We leave the "DI" bit set to "0" when we leave this routine. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
	eecd &= ~E1000_EECD_DI;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
	ew32(EECD, eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
 * e1000_shift_in_ee_bits - Shift data bits in from the EEPROM
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
 * @count: number of bits to shift in
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
static u16 e1000_shift_in_ee_bits(struct e1000_hw *hw, u16 count)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
	u32 eecd;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
	u32 i;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
	u16 data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
	/* In order to read a register from the EEPROM, we need to shift 'count'
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
	 * bits in from the EEPROM. Bits are "shifted in" by raising the clock
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
	 * input to the EEPROM (setting the SK bit), and then reading the value of
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
	 * the "DO" bit.  During this "shifting in" process the "DI" bit should
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
	 * always be clear.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
	eecd = er32(EECD);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
	eecd &= ~(E1000_EECD_DO | E1000_EECD_DI);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
	data = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
	for (i = 0; i < count; i++) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
		data = data << 1;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
		e1000_raise_ee_clk(hw, &eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
		eecd = er32(EECD);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
		eecd &= ~(E1000_EECD_DI);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
		if (eecd & E1000_EECD_DO)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
			data |= 1;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
		e1000_lower_ee_clk(hw, &eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
	return data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
 * e1000_acquire_eeprom - Prepares EEPROM for access
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
 * Lowers EEPROM clock. Clears input pin. Sets the chip select pin. This
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
 * function should be called before issuing a command to the EEPROM.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
static s32 e1000_acquire_eeprom(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
	u32 eecd, i = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
	DEBUGFUNC("e1000_acquire_eeprom");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
	eecd = er32(EECD);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
	/* Request EEPROM Access */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
	if (hw->mac_type > e1000_82544) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
		eecd |= E1000_EECD_REQ;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
		ew32(EECD, eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
		eecd = er32(EECD);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
		while ((!(eecd & E1000_EECD_GNT)) &&
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
		       (i < E1000_EEPROM_GRANT_ATTEMPTS)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
			i++;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
			udelay(5);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
			eecd = er32(EECD);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
		if (!(eecd & E1000_EECD_GNT)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
			eecd &= ~E1000_EECD_REQ;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
			ew32(EECD, eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
			DEBUGOUT("Could not acquire EEPROM grant\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
			return -E1000_ERR_EEPROM;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
	/* Setup EEPROM for Read/Write */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
	if (eeprom->type == e1000_eeprom_microwire) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
		/* Clear SK and DI */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
		eecd &= ~(E1000_EECD_DI | E1000_EECD_SK);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
		ew32(EECD, eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
		/* Set CS */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
		eecd |= E1000_EECD_CS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
		ew32(EECD, eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
	} else if (eeprom->type == e1000_eeprom_spi) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
		/* Clear SK and CS */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
		eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
		ew32(EECD, eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
		udelay(1);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
 * e1000_standby_eeprom - Returns EEPROM to a "standby" state
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
static void e1000_standby_eeprom(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
	u32 eecd;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
	eecd = er32(EECD);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
	if (eeprom->type == e1000_eeprom_microwire) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
		eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
		ew32(EECD, eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
		udelay(eeprom->delay_usec);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
		/* Clock high */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
		eecd |= E1000_EECD_SK;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
		ew32(EECD, eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
		udelay(eeprom->delay_usec);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
		/* Select EEPROM */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
		eecd |= E1000_EECD_CS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
		ew32(EECD, eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
		udelay(eeprom->delay_usec);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
		/* Clock low */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
		eecd &= ~E1000_EECD_SK;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
		ew32(EECD, eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
		udelay(eeprom->delay_usec);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
	} else if (eeprom->type == e1000_eeprom_spi) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
		/* Toggle CS to flush commands */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
		eecd |= E1000_EECD_CS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
		ew32(EECD, eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
		udelay(eeprom->delay_usec);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
		eecd &= ~E1000_EECD_CS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
		ew32(EECD, eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
		udelay(eeprom->delay_usec);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
 * e1000_release_eeprom - drop chip select
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
 * Terminates a command by inverting the EEPROM's chip select pin
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
static void e1000_release_eeprom(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
	u32 eecd;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
	DEBUGFUNC("e1000_release_eeprom");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
	eecd = er32(EECD);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
	if (hw->eeprom.type == e1000_eeprom_spi) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
		eecd |= E1000_EECD_CS;	/* Pull CS high */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
		eecd &= ~E1000_EECD_SK;	/* Lower SCK */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
		ew32(EECD, eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
		udelay(hw->eeprom.delay_usec);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
	} else if (hw->eeprom.type == e1000_eeprom_microwire) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
		/* cleanup eeprom */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
		/* CS on Microwire is active-high */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
		eecd &= ~(E1000_EECD_CS | E1000_EECD_DI);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
		ew32(EECD, eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
		/* Rising edge of clock */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
		eecd |= E1000_EECD_SK;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
		ew32(EECD, eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
		udelay(hw->eeprom.delay_usec);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
		/* Falling edge of clock */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
		eecd &= ~E1000_EECD_SK;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
		ew32(EECD, eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
		udelay(hw->eeprom.delay_usec);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	/* Stop requesting EEPROM access */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
	if (hw->mac_type > e1000_82544) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
		eecd &= ~E1000_EECD_REQ;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
		ew32(EECD, eecd);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
 * e1000_spi_eeprom_ready - Reads a 16 bit word from the EEPROM.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
static s32 e1000_spi_eeprom_ready(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
	u16 retry_count = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
	u8 spi_stat_reg;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
	DEBUGFUNC("e1000_spi_eeprom_ready");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
	/* Read "Status Register" repeatedly until the LSB is cleared.  The
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
	 * EEPROM will signal that the command has been completed by clearing
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
	 * bit 0 of the internal status register.  If it's not cleared within
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
	 * 5 milliseconds, then error out.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
	retry_count = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
	do {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
		e1000_shift_out_ee_bits(hw, EEPROM_RDSR_OPCODE_SPI,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
					hw->eeprom.opcode_bits);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
		spi_stat_reg = (u8) e1000_shift_in_ee_bits(hw, 8);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
		if (!(spi_stat_reg & EEPROM_STATUS_RDY_SPI))
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
		udelay(5);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
		retry_count += 5;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
		e1000_standby_eeprom(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
	} while (retry_count < EEPROM_MAX_RETRY_SPI);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
	/* ATMEL SPI write time could vary from 0-20mSec on 3.3V devices (and
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
	 * only 0-5mSec on 5V devices)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
	if (retry_count >= EEPROM_MAX_RETRY_SPI) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
		DEBUGOUT("SPI EEPROM Status error\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
		return -E1000_ERR_EEPROM;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
 * e1000_read_eeprom - Reads a 16 bit word from the EEPROM.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
 * @offset: offset of  word in the EEPROM to read
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
 * @data: word read from the EEPROM
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
 * @words: number of words to read
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
s32 e1000_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
	s32 ret;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
	spin_lock(&e1000_eeprom_lock);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
	ret = e1000_do_read_eeprom(hw, offset, words, data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
	spin_unlock(&e1000_eeprom_lock);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
	return ret;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
				u16 *data)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
	u32 i = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
	DEBUGFUNC("e1000_read_eeprom");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
	/* If eeprom is not yet detected, do so now */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
	if (eeprom->word_size == 0)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
		e1000_init_eeprom_params(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
	/* A check for invalid values:  offset too large, too many words, and not
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
	 * enough words.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
	if ((offset >= eeprom->word_size)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
	    || (words > eeprom->word_size - offset) || (words == 0)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
		DEBUGOUT2
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
		    ("\"words\" parameter out of bounds. Words = %d, size = %d\n",
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
		     offset, eeprom->word_size);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
		return -E1000_ERR_EEPROM;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
	/* EEPROM's that don't use EERD to read require us to bit-bang the SPI
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
	 * directly. In this case, we need to acquire the EEPROM so that
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
	 * FW or other port software does not interrupt.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
	/* Prepare the EEPROM for bit-bang reading */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
	if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
		return -E1000_ERR_EEPROM;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
	/* Set up the SPI or Microwire EEPROM for bit-bang reading.  We have
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
	 * acquired the EEPROM at this point, so any returns should release it */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
	if (eeprom->type == e1000_eeprom_spi) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
		u16 word_in;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
		u8 read_opcode = EEPROM_READ_OPCODE_SPI;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
		if (e1000_spi_eeprom_ready(hw)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
			e1000_release_eeprom(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
			return -E1000_ERR_EEPROM;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
		e1000_standby_eeprom(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
		/* Some SPI eeproms use the 8th address bit embedded in the opcode */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
		if ((eeprom->address_bits == 8) && (offset >= 128))
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
			read_opcode |= EEPROM_A8_OPCODE_SPI;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
		/* Send the READ command (opcode + addr)  */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
		e1000_shift_out_ee_bits(hw, read_opcode, eeprom->opcode_bits);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
		e1000_shift_out_ee_bits(hw, (u16) (offset * 2),
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
					eeprom->address_bits);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
		/* Read the data.  The address of the eeprom internally increments with
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
		 * each byte (spi) being read, saving on the overhead of eeprom setup
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
		 * and tear-down.  The address counter will roll over if reading beyond
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
		 * the size of the eeprom, thus allowing the entire memory to be read
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
		 * starting from any offset. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
		for (i = 0; i < words; i++) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
			word_in = e1000_shift_in_ee_bits(hw, 16);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
			data[i] = (word_in >> 8) | (word_in << 8);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
	} else if (eeprom->type == e1000_eeprom_microwire) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
		for (i = 0; i < words; i++) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
			/* Send the READ command (opcode + addr)  */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
			e1000_shift_out_ee_bits(hw,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
						EEPROM_READ_OPCODE_MICROWIRE,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
						eeprom->opcode_bits);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
			e1000_shift_out_ee_bits(hw, (u16) (offset + i),
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
						eeprom->address_bits);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
			/* Read the data.  For microwire, each word requires the overhead
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
			 * of eeprom setup and tear-down. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
			data[i] = e1000_shift_in_ee_bits(hw, 16);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
			e1000_standby_eeprom(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
	/* End this read operation */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
	e1000_release_eeprom(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
 * e1000_validate_eeprom_checksum - Verifies that the EEPROM has a valid checksum
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
 * Reads the first 64 16 bit words of the EEPROM and sums the values read.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
 * If the the sum of the 64 16 bit words is 0xBABA, the EEPROM's checksum is
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
 * valid.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
s32 e1000_validate_eeprom_checksum(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
	u16 checksum = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
	u16 i, eeprom_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
	DEBUGFUNC("e1000_validate_eeprom_checksum");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
	for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
		if (e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
			DEBUGOUT("EEPROM Read Error\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
			return -E1000_ERR_EEPROM;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
		checksum += eeprom_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
	if (checksum == (u16) EEPROM_SUM)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
		return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
	else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
		DEBUGOUT("EEPROM Checksum Invalid\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
		return -E1000_ERR_EEPROM;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
 * e1000_update_eeprom_checksum - Calculates/writes the EEPROM checksum
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
 * Sums the first 63 16 bit words of the EEPROM. Subtracts the sum from 0xBABA.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
 * Writes the difference to word offset 63 of the EEPROM.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
s32 e1000_update_eeprom_checksum(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
	u16 checksum = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
	u16 i, eeprom_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
	DEBUGFUNC("e1000_update_eeprom_checksum");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
	for (i = 0; i < EEPROM_CHECKSUM_REG; i++) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
		if (e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
			DEBUGOUT("EEPROM Read Error\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
			return -E1000_ERR_EEPROM;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
		checksum += eeprom_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
	checksum = (u16) EEPROM_SUM - checksum;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
	if (e1000_write_eeprom(hw, EEPROM_CHECKSUM_REG, 1, &checksum) < 0) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
		DEBUGOUT("EEPROM Write Error\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
		return -E1000_ERR_EEPROM;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
 * e1000_write_eeprom - write words to the different EEPROM types.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
 * @offset: offset within the EEPROM to be written to
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
 * @words: number of words to write
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
 * @data: 16 bit word to be written to the EEPROM
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
 * If e1000_update_eeprom_checksum is not called after this function, the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
 * EEPROM will most likely contain an invalid checksum.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
s32 e1000_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
	s32 ret;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
	spin_lock(&e1000_eeprom_lock);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
	ret = e1000_do_write_eeprom(hw, offset, words, data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
	spin_unlock(&e1000_eeprom_lock);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
	return ret;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
				 u16 *data)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
	s32 status = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
	DEBUGFUNC("e1000_write_eeprom");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
	/* If eeprom is not yet detected, do so now */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
	if (eeprom->word_size == 0)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
		e1000_init_eeprom_params(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
	/* A check for invalid values:  offset too large, too many words, and not
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
	 * enough words.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
	if ((offset >= eeprom->word_size)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
	    || (words > eeprom->word_size - offset) || (words == 0)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
		DEBUGOUT("\"words\" parameter out of bounds\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
		return -E1000_ERR_EEPROM;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
	/* Prepare the EEPROM for writing  */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
	if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
		return -E1000_ERR_EEPROM;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
	if (eeprom->type == e1000_eeprom_microwire) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
		status = e1000_write_eeprom_microwire(hw, offset, words, data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
	} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
		status = e1000_write_eeprom_spi(hw, offset, words, data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
		msleep(10);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
	/* Done with writing */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
	e1000_release_eeprom(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
	return status;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
 * e1000_write_eeprom_spi - Writes a 16 bit word to a given offset in an SPI EEPROM.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
 * @offset: offset within the EEPROM to be written to
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
 * @words: number of words to write
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
 * @data: pointer to array of 8 bit words to be written to the EEPROM
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
static s32 e1000_write_eeprom_spi(struct e1000_hw *hw, u16 offset, u16 words,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
				  u16 *data)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
	u16 widx = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
	DEBUGFUNC("e1000_write_eeprom_spi");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
	while (widx < words) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
		u8 write_opcode = EEPROM_WRITE_OPCODE_SPI;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
		if (e1000_spi_eeprom_ready(hw))
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
			return -E1000_ERR_EEPROM;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
		e1000_standby_eeprom(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
		/*  Send the WRITE ENABLE command (8 bit opcode )  */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
		e1000_shift_out_ee_bits(hw, EEPROM_WREN_OPCODE_SPI,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
					eeprom->opcode_bits);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
		e1000_standby_eeprom(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
		/* Some SPI eeproms use the 8th address bit embedded in the opcode */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
		if ((eeprom->address_bits == 8) && (offset >= 128))
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
			write_opcode |= EEPROM_A8_OPCODE_SPI;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
		/* Send the Write command (8-bit opcode + addr) */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
		e1000_shift_out_ee_bits(hw, write_opcode, eeprom->opcode_bits);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
		e1000_shift_out_ee_bits(hw, (u16) ((offset + widx) * 2),
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
					eeprom->address_bits);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
		/* Send the data */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
		/* Loop to allow for up to whole page write (32 bytes) of eeprom */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
		while (widx < words) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
			u16 word_out = data[widx];
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
			word_out = (word_out >> 8) | (word_out << 8);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
			e1000_shift_out_ee_bits(hw, word_out, 16);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
			widx++;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
			/* Some larger eeprom sizes are capable of a 32-byte PAGE WRITE
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
			 * operation, while the smaller eeproms are capable of an 8-byte
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
			 * PAGE WRITE operation.  Break the inner loop to pass new address
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
			 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
			if ((((offset + widx) * 2) % eeprom->page_size) == 0) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
				e1000_standby_eeprom(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
				break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
 * e1000_write_eeprom_microwire - Writes a 16 bit word to a given offset in a Microwire EEPROM.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
 * @offset: offset within the EEPROM to be written to
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
 * @words: number of words to write
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
 * @data: pointer to array of 8 bit words to be written to the EEPROM
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
static s32 e1000_write_eeprom_microwire(struct e1000_hw *hw, u16 offset,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
					u16 words, u16 *data)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
	u32 eecd;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
	u16 words_written = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
	u16 i = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
	DEBUGFUNC("e1000_write_eeprom_microwire");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
	/* Send the write enable command to the EEPROM (3-bit opcode plus
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
	 * 6/8-bit dummy address beginning with 11).  It's less work to include
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
	 * the 11 of the dummy address as part of the opcode than it is to shift
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
	 * it over the correct number of bits for the address.  This puts the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
	 * EEPROM into write/erase mode.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
	e1000_shift_out_ee_bits(hw, EEPROM_EWEN_OPCODE_MICROWIRE,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
				(u16) (eeprom->opcode_bits + 2));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
	e1000_shift_out_ee_bits(hw, 0, (u16) (eeprom->address_bits - 2));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
	/* Prepare the EEPROM */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
	e1000_standby_eeprom(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
	while (words_written < words) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
		/* Send the Write command (3-bit opcode + addr) */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
		e1000_shift_out_ee_bits(hw, EEPROM_WRITE_OPCODE_MICROWIRE,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
					eeprom->opcode_bits);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
		e1000_shift_out_ee_bits(hw, (u16) (offset + words_written),
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
					eeprom->address_bits);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
		/* Send the data */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
		e1000_shift_out_ee_bits(hw, data[words_written], 16);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
		/* Toggle the CS line.  This in effect tells the EEPROM to execute
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
		 * the previous command.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
		e1000_standby_eeprom(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
		/* Read DO repeatedly until it is high (equal to '1').  The EEPROM will
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
		 * signal that the command has been completed by raising the DO signal.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
		 * If DO does not go high in 10 milliseconds, then error out.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
		for (i = 0; i < 200; i++) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
			eecd = er32(EECD);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
			if (eecd & E1000_EECD_DO)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
				break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
			udelay(50);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
		if (i == 200) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
			DEBUGOUT("EEPROM Write did not complete\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
			return -E1000_ERR_EEPROM;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
		/* Recover from write */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
		e1000_standby_eeprom(hw);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
		words_written++;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
	/* Send the write disable command to the EEPROM (3-bit opcode plus
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
	 * 6/8-bit dummy address beginning with 10).  It's less work to include
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
	 * the 10 of the dummy address as part of the opcode than it is to shift
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
	 * it over the correct number of bits for the address.  This takes the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
	 * EEPROM out of write/erase mode.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
	e1000_shift_out_ee_bits(hw, EEPROM_EWDS_OPCODE_MICROWIRE,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
				(u16) (eeprom->opcode_bits + 2));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
	e1000_shift_out_ee_bits(hw, 0, (u16) (eeprom->address_bits - 2));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
 * e1000_read_mac_addr - read the adapters MAC from eeprom
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
 * Reads the adapter's MAC address from the EEPROM and inverts the LSB for the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
 * second function of dual function devices
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
s32 e1000_read_mac_addr(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
	u16 offset;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
	u16 eeprom_data, i;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
	DEBUGFUNC("e1000_read_mac_addr");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
	for (i = 0; i < NODE_ADDRESS_SIZE; i += 2) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
		offset = i >> 1;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
		if (e1000_read_eeprom(hw, offset, 1, &eeprom_data) < 0) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
			DEBUGOUT("EEPROM Read Error\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
			return -E1000_ERR_EEPROM;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
		hw->perm_mac_addr[i] = (u8) (eeprom_data & 0x00FF);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
		hw->perm_mac_addr[i + 1] = (u8) (eeprom_data >> 8);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
	switch (hw->mac_type) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
	case e1000_82546:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
	case e1000_82546_rev_3:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
			hw->perm_mac_addr[5] ^= 0x01;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
	for (i = 0; i < NODE_ADDRESS_SIZE; i++)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
		hw->mac_addr[i] = hw->perm_mac_addr[i];
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
 * e1000_init_rx_addrs - Initializes receive address filters.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
 * Places the MAC address in receive address register 0 and clears the rest
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
 * of the receive address registers. Clears the multicast table. Assumes
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
 * the receiver is in reset when the routine is called.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
static void e1000_init_rx_addrs(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
	u32 i;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
	u32 rar_num;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
	DEBUGFUNC("e1000_init_rx_addrs");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
	/* Setup the receive address. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
	DEBUGOUT("Programming MAC Address into RAR[0]\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
	e1000_rar_set(hw, hw->mac_addr, 0);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
	rar_num = E1000_RAR_ENTRIES;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
	/* Zero out the other 15 receive addresses. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
	DEBUGOUT("Clearing RAR[1-15]\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
	for (i = 1; i < rar_num; i++) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
		E1000_WRITE_REG_ARRAY(hw, RA, (i << 1), 0);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
		E1000_WRITE_REG_ARRAY(hw, RA, ((i << 1) + 1), 0);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
 * e1000_hash_mc_addr - Hashes an address to determine its location in the multicast table
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
 * @mc_addr: the multicast address to hash
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
	u32 hash_value = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
	/* The portion of the address that is used for the hash table is
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
	 * determined by the mc_filter_type setting.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
	switch (hw->mc_filter_type) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
		/* [0] [1] [2] [3] [4] [5]
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
		 * 01  AA  00  12  34  56
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
		 * LSB                 MSB
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
	case 0:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
		/* [47:36] i.e. 0x563 for above example address */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
		hash_value = ((mc_addr[4] >> 4) | (((u16) mc_addr[5]) << 4));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
	case 1:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
		/* [46:35] i.e. 0xAC6 for above example address */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
		hash_value = ((mc_addr[4] >> 3) | (((u16) mc_addr[5]) << 5));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
	case 2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
		/* [45:34] i.e. 0x5D8 for above example address */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
		hash_value = ((mc_addr[4] >> 2) | (((u16) mc_addr[5]) << 6));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
	case 3:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
		/* [43:32] i.e. 0x634 for above example address */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
		hash_value = ((mc_addr[4]) | (((u16) mc_addr[5]) << 8));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
	hash_value &= 0xFFF;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
	return hash_value;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
 * e1000_rar_set - Puts an ethernet address into a receive address register.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
 * @addr: Address to put into receive address register
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
 * @index: Receive address register to write
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
void e1000_rar_set(struct e1000_hw *hw, u8 *addr, u32 index)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
	u32 rar_low, rar_high;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
	/* HW expects these in little endian so we reverse the byte order
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
	 * from network order (big endian) to little endian
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
	rar_low = ((u32) addr[0] | ((u32) addr[1] << 8) |
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
		   ((u32) addr[2] << 16) | ((u32) addr[3] << 24));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
	rar_high = ((u32) addr[4] | ((u32) addr[5] << 8));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
	/* Disable Rx and flush all Rx frames before enabling RSS to avoid Rx
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
	 * unit hang.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
	 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
	 * Description:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
	 * If there are any Rx frames queued up or otherwise present in the HW
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
	 * before RSS is enabled, and then we enable RSS, the HW Rx unit will
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
	 * hang.  To work around this issue, we have to disable receives and
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
	 * flush out all Rx frames before we enable RSS. To do so, we modify we
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
	 * redirect all Rx traffic to manageability and then reset the HW.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
	 * This flushes away Rx frames, and (since the redirections to
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
	 * manageability persists across resets) keeps new ones from coming in
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
	 * while we work.  Then, we clear the Address Valid AV bit for all MAC
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
	 * addresses and undo the re-direction to manageability.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
	 * Now, frames are coming in again, but the MAC won't accept them, so
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
	 * far so good.  We now proceed to initialize RSS (if necessary) and
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
	 * configure the Rx unit.  Last, we re-enable the AV bits and continue
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
	 * on our merry way.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
	switch (hw->mac_type) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
		/* Indicate to hardware the Address is Valid. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
		rar_high |= E1000_RAH_AV;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
	E1000_WRITE_REG_ARRAY(hw, RA, (index << 1), rar_low);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
	E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
	E1000_WRITE_REG_ARRAY(hw, RA, ((index << 1) + 1), rar_high);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
	E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
 * e1000_write_vfta - Writes a value to the specified offset in the VLAN filter table.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
 * @offset: Offset in VLAN filer table to write
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
 * @value: Value to write into VLAN filter table
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
	u32 temp;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
	if ((hw->mac_type == e1000_82544) && ((offset & 0x1) == 1)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
		temp = E1000_READ_REG_ARRAY(hw, VFTA, (offset - 1));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
		E1000_WRITE_REG_ARRAY(hw, VFTA, offset, value);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
		E1000_WRITE_REG_ARRAY(hw, VFTA, (offset - 1), temp);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
	} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
		E1000_WRITE_REG_ARRAY(hw, VFTA, offset, value);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
 * e1000_clear_vfta - Clears the VLAN filer table
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
static void e1000_clear_vfta(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
	u32 offset;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
	u32 vfta_value = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
	u32 vfta_offset = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
	u32 vfta_bit_in_reg = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
	for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
		/* If the offset we want to clear is the same offset of the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
		 * manageability VLAN ID, then clear all bits except that of the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
		 * manageability unit */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
		vfta_value = (offset == vfta_offset) ? vfta_bit_in_reg : 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
		E1000_WRITE_REG_ARRAY(hw, VFTA, offset, vfta_value);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
		E1000_WRITE_FLUSH();
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
static s32 e1000_id_led_init(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
	u32 ledctl;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
	const u32 ledctl_mask = 0x000000FF;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
	const u32 ledctl_on = E1000_LEDCTL_MODE_LED_ON;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
	const u32 ledctl_off = E1000_LEDCTL_MODE_LED_OFF;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
	u16 eeprom_data, i, temp;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
	const u16 led_mask = 0x0F;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
	DEBUGFUNC("e1000_id_led_init");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
	if (hw->mac_type < e1000_82540) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
		/* Nothing to do */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
		return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
	ledctl = er32(LEDCTL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
	hw->ledctl_default = ledctl;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
	hw->ledctl_mode1 = hw->ledctl_default;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
	hw->ledctl_mode2 = hw->ledctl_default;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
	if (e1000_read_eeprom(hw, EEPROM_ID_LED_SETTINGS, 1, &eeprom_data) < 0) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
		DEBUGOUT("EEPROM Read Error\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
		return -E1000_ERR_EEPROM;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
	if ((eeprom_data == ID_LED_RESERVED_0000) ||
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
	    (eeprom_data == ID_LED_RESERVED_FFFF)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
		eeprom_data = ID_LED_DEFAULT;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
	for (i = 0; i < 4; i++) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
		temp = (eeprom_data >> (i << 2)) & led_mask;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
		switch (temp) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
		case ID_LED_ON1_DEF2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
		case ID_LED_ON1_ON2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
		case ID_LED_ON1_OFF2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
			hw->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
			hw->ledctl_mode1 |= ledctl_on << (i << 3);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
		case ID_LED_OFF1_DEF2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
		case ID_LED_OFF1_ON2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
		case ID_LED_OFF1_OFF2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
			hw->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
			hw->ledctl_mode1 |= ledctl_off << (i << 3);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
		default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
			/* Do nothing */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
		switch (temp) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
		case ID_LED_DEF1_ON2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
		case ID_LED_ON1_ON2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
		case ID_LED_OFF1_ON2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
			hw->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
			hw->ledctl_mode2 |= ledctl_on << (i << 3);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
		case ID_LED_DEF1_OFF2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
		case ID_LED_ON1_OFF2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
		case ID_LED_OFF1_OFF2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
			hw->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
			hw->ledctl_mode2 |= ledctl_off << (i << 3);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
		default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
			/* Do nothing */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
 * e1000_setup_led
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
 * Prepares SW controlable LED for use and saves the current state of the LED.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
s32 e1000_setup_led(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
	u32 ledctl;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
	s32 ret_val = E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
	DEBUGFUNC("e1000_setup_led");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
	switch (hw->mac_type) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
	case e1000_82542_rev2_0:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
	case e1000_82542_rev2_1:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
	case e1000_82543:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
	case e1000_82544:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
		/* No setup necessary */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
	case e1000_82541:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
	case e1000_82547:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
	case e1000_82541_rev_2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
	case e1000_82547_rev_2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
		/* Turn off PHY Smart Power Down (if enabled) */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
		ret_val = e1000_read_phy_reg(hw, IGP01E1000_GMII_FIFO,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
					     &hw->phy_spd_default);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
		ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
					      (u16) (hw->phy_spd_default &
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
						     ~IGP01E1000_GMII_SPD));
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
		/* Fall Through */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
		if (hw->media_type == e1000_media_type_fiber) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
			ledctl = er32(LEDCTL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
			/* Save current LEDCTL settings */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
			hw->ledctl_default = ledctl;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
			/* Turn off LED0 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
			ledctl &= ~(E1000_LEDCTL_LED0_IVRT |
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
				    E1000_LEDCTL_LED0_BLINK |
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
				    E1000_LEDCTL_LED0_MODE_MASK);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
			ledctl |= (E1000_LEDCTL_MODE_LED_OFF <<
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
				   E1000_LEDCTL_LED0_MODE_SHIFT);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
			ew32(LEDCTL, ledctl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
		} else if (hw->media_type == e1000_media_type_copper)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
			ew32(LEDCTL, hw->ledctl_mode1);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
 * e1000_cleanup_led - Restores the saved state of the SW controlable LED.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
s32 e1000_cleanup_led(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
	s32 ret_val = E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
	DEBUGFUNC("e1000_cleanup_led");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
	switch (hw->mac_type) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
	case e1000_82542_rev2_0:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
	case e1000_82542_rev2_1:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
	case e1000_82543:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
	case e1000_82544:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
		/* No cleanup necessary */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
	case e1000_82541:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
	case e1000_82547:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
	case e1000_82541_rev_2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
	case e1000_82547_rev_2:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
		/* Turn on PHY Smart Power Down (if previously enabled) */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
		ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
					      hw->phy_spd_default);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
		/* Fall Through */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
		/* Restore LEDCTL settings */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
		ew32(LEDCTL, hw->ledctl_default);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
 * e1000_led_on - Turns on the software controllable LED
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
s32 e1000_led_on(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
	u32 ctrl = er32(CTRL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
	DEBUGFUNC("e1000_led_on");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
	switch (hw->mac_type) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
	case e1000_82542_rev2_0:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
	case e1000_82542_rev2_1:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
	case e1000_82543:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
		/* Set SW Defineable Pin 0 to turn on the LED */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
		ctrl |= E1000_CTRL_SWDPIN0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
		ctrl |= E1000_CTRL_SWDPIO0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
	case e1000_82544:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
		if (hw->media_type == e1000_media_type_fiber) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
			/* Set SW Defineable Pin 0 to turn on the LED */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
			ctrl |= E1000_CTRL_SWDPIN0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
			ctrl |= E1000_CTRL_SWDPIO0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
		} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
			/* Clear SW Defineable Pin 0 to turn on the LED */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
			ctrl &= ~E1000_CTRL_SWDPIN0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
			ctrl |= E1000_CTRL_SWDPIO0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
		if (hw->media_type == e1000_media_type_fiber) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
			/* Clear SW Defineable Pin 0 to turn on the LED */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
			ctrl &= ~E1000_CTRL_SWDPIN0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
			ctrl |= E1000_CTRL_SWDPIO0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
		} else if (hw->media_type == e1000_media_type_copper) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
			ew32(LEDCTL, hw->ledctl_mode2);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
			return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
	ew32(CTRL, ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
 * e1000_led_off - Turns off the software controllable LED
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
s32 e1000_led_off(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
	u32 ctrl = er32(CTRL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
	DEBUGFUNC("e1000_led_off");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
	switch (hw->mac_type) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
	case e1000_82542_rev2_0:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
	case e1000_82542_rev2_1:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
	case e1000_82543:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
		/* Clear SW Defineable Pin 0 to turn off the LED */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
		ctrl &= ~E1000_CTRL_SWDPIN0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
		ctrl |= E1000_CTRL_SWDPIO0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
	case e1000_82544:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
		if (hw->media_type == e1000_media_type_fiber) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
			/* Clear SW Defineable Pin 0 to turn off the LED */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
			ctrl &= ~E1000_CTRL_SWDPIN0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
			ctrl |= E1000_CTRL_SWDPIO0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
		} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
			/* Set SW Defineable Pin 0 to turn off the LED */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
			ctrl |= E1000_CTRL_SWDPIN0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
			ctrl |= E1000_CTRL_SWDPIO0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
		if (hw->media_type == e1000_media_type_fiber) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
			/* Set SW Defineable Pin 0 to turn off the LED */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
			ctrl |= E1000_CTRL_SWDPIN0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
			ctrl |= E1000_CTRL_SWDPIO0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
		} else if (hw->media_type == e1000_media_type_copper) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
			ew32(LEDCTL, hw->ledctl_mode1);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
			return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
	ew32(CTRL, ctrl);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
 * e1000_clear_hw_cntrs - Clears all hardware statistics counters.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
static void e1000_clear_hw_cntrs(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
	volatile u32 temp;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
	temp = er32(CRCERRS);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
	temp = er32(SYMERRS);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
	temp = er32(MPC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
	temp = er32(SCC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
	temp = er32(ECOL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
	temp = er32(MCC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
	temp = er32(LATECOL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
	temp = er32(COLC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
	temp = er32(DC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
	temp = er32(SEC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
	temp = er32(RLEC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
	temp = er32(XONRXC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
	temp = er32(XONTXC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
	temp = er32(XOFFRXC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
	temp = er32(XOFFTXC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
	temp = er32(FCRUC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
	temp = er32(PRC64);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
	temp = er32(PRC127);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
	temp = er32(PRC255);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
	temp = er32(PRC511);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
	temp = er32(PRC1023);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
	temp = er32(PRC1522);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
	temp = er32(GPRC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
	temp = er32(BPRC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
	temp = er32(MPRC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
	temp = er32(GPTC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
	temp = er32(GORCL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
	temp = er32(GORCH);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
	temp = er32(GOTCL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
	temp = er32(GOTCH);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
	temp = er32(RNBC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
	temp = er32(RUC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
	temp = er32(RFC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
	temp = er32(ROC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
	temp = er32(RJC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
	temp = er32(TORL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
	temp = er32(TORH);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
	temp = er32(TOTL);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
	temp = er32(TOTH);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
	temp = er32(TPR);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
	temp = er32(TPT);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
	temp = er32(PTC64);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
	temp = er32(PTC127);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
	temp = er32(PTC255);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
	temp = er32(PTC511);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
	temp = er32(PTC1023);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
	temp = er32(PTC1522);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
	temp = er32(MPTC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
	temp = er32(BPTC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
	if (hw->mac_type < e1000_82543)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
		return;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
	temp = er32(ALGNERRC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
	temp = er32(RXERRC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
	temp = er32(TNCRS);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
	temp = er32(CEXTERR);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
	temp = er32(TSCTC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
	temp = er32(TSCTFC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
	if (hw->mac_type <= e1000_82544)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
		return;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
	temp = er32(MGTPRC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
	temp = er32(MGTPDC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
	temp = er32(MGTPTC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
 * e1000_reset_adaptive - Resets Adaptive IFS to its default state.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
 * Call this after e1000_init_hw. You may override the IFS defaults by setting
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
 * hw->ifs_params_forced to true. However, you must initialize hw->
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
 * current_ifs_val, ifs_min_val, ifs_max_val, ifs_step_size, and ifs_ratio
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
 * before calling this function.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
void e1000_reset_adaptive(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
	DEBUGFUNC("e1000_reset_adaptive");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
	if (hw->adaptive_ifs) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
		if (!hw->ifs_params_forced) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
			hw->current_ifs_val = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
			hw->ifs_min_val = IFS_MIN;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
			hw->ifs_max_val = IFS_MAX;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
			hw->ifs_step_size = IFS_STEP;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
			hw->ifs_ratio = IFS_RATIO;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
		hw->in_ifs_mode = false;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
		ew32(AIT, 0);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
	} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
		DEBUGOUT("Not in Adaptive IFS mode!\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
 * e1000_update_adaptive - update adaptive IFS
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
 * @tx_packets: Number of transmits since last callback
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
 * @total_collisions: Number of collisions since last callback
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
 * Called during the callback/watchdog routine to update IFS value based on
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
 * the ratio of transmits to collisions.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
void e1000_update_adaptive(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
	DEBUGFUNC("e1000_update_adaptive");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
	if (hw->adaptive_ifs) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
		if ((hw->collision_delta *hw->ifs_ratio) > hw->tx_packet_delta) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
			if (hw->tx_packet_delta > MIN_NUM_XMITS) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
				hw->in_ifs_mode = true;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
				if (hw->current_ifs_val < hw->ifs_max_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
					if (hw->current_ifs_val == 0)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
						hw->current_ifs_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
						    hw->ifs_min_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
					else
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
						hw->current_ifs_val +=
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
						    hw->ifs_step_size;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
					ew32(AIT, hw->current_ifs_val);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
				}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
		} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
			if (hw->in_ifs_mode
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
			    && (hw->tx_packet_delta <= MIN_NUM_XMITS)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
				hw->current_ifs_val = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
				hw->in_ifs_mode = false;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
				ew32(AIT, 0);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
	} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
		DEBUGOUT("Not in Adaptive IFS mode!\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
 * e1000_tbi_adjust_stats
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
 * @frame_len: The length of the frame in question
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
 * @mac_addr: The Ethernet destination address of the frame in question
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
 * Adjusts the statistic counters when a frame is accepted by TBI_ACCEPT
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
void e1000_tbi_adjust_stats(struct e1000_hw *hw, struct e1000_hw_stats *stats,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
			    u32 frame_len, u8 *mac_addr)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
	u64 carry_bit;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
	/* First adjust the frame length. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
	frame_len--;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
	/* We need to adjust the statistics counters, since the hardware
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
	 * counters overcount this packet as a CRC error and undercount
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
	 * the packet as a good packet
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
	/* This packet should not be counted as a CRC error.    */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
	stats->crcerrs--;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
	/* This packet does count as a Good Packet Received.    */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
	stats->gprc++;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
	/* Adjust the Good Octets received counters             */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
	carry_bit = 0x80000000 & stats->gorcl;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
	stats->gorcl += frame_len;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
	/* If the high bit of Gorcl (the low 32 bits of the Good Octets
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
	 * Received Count) was one before the addition,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
	 * AND it is zero after, then we lost the carry out,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
	 * need to add one to Gorch (Good Octets Received Count High).
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
	 * This could be simplified if all environments supported
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
	 * 64-bit integers.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
	if (carry_bit && ((stats->gorcl & 0x80000000) == 0))
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
		stats->gorch++;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
	/* Is this a broadcast or multicast?  Check broadcast first,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
	 * since the test for a multicast frame will test positive on
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
	 * a broadcast frame.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
	if ((mac_addr[0] == (u8) 0xff) && (mac_addr[1] == (u8) 0xff))
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
		/* Broadcast packet */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
		stats->bprc++;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
	else if (*mac_addr & 0x01)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
		/* Multicast packet */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
		stats->mprc++;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
	if (frame_len == hw->max_frame_size) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
		/* In this case, the hardware has overcounted the number of
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
		 * oversize frames.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
		if (stats->roc > 0)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
			stats->roc--;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
	/* Adjust the bin counters when the extra byte put the frame in the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
	 * wrong bin. Remember that the frame_len was adjusted above.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
	 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
	if (frame_len == 64) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
		stats->prc64++;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
		stats->prc127--;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
	} else if (frame_len == 127) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
		stats->prc127++;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
		stats->prc255--;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
	} else if (frame_len == 255) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
		stats->prc255++;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
		stats->prc511--;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
	} else if (frame_len == 511) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
		stats->prc511++;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
		stats->prc1023--;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
	} else if (frame_len == 1023) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
		stats->prc1023++;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
		stats->prc1522--;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
	} else if (frame_len == 1522) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
		stats->prc1522++;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
 * e1000_get_bus_info
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
 * Gets the current PCI bus type, speed, and width of the hardware
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
void e1000_get_bus_info(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
	u32 status;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
	switch (hw->mac_type) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
	case e1000_82542_rev2_0:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
	case e1000_82542_rev2_1:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
		hw->bus_type = e1000_bus_type_pci;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
		hw->bus_speed = e1000_bus_speed_unknown;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
		hw->bus_width = e1000_bus_width_unknown;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
		status = er32(STATUS);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
		hw->bus_type = (status & E1000_STATUS_PCIX_MODE) ?
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
		    e1000_bus_type_pcix : e1000_bus_type_pci;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
		if (hw->device_id == E1000_DEV_ID_82546EB_QUAD_COPPER) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
			hw->bus_speed = (hw->bus_type == e1000_bus_type_pci) ?
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
			    e1000_bus_speed_66 : e1000_bus_speed_120;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
		} else if (hw->bus_type == e1000_bus_type_pci) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
			hw->bus_speed = (status & E1000_STATUS_PCI66) ?
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
			    e1000_bus_speed_66 : e1000_bus_speed_33;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
		} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
			switch (status & E1000_STATUS_PCIX_SPEED) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
			case E1000_STATUS_PCIX_SPEED_66:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
				hw->bus_speed = e1000_bus_speed_66;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
				break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
			case E1000_STATUS_PCIX_SPEED_100:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
				hw->bus_speed = e1000_bus_speed_100;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
				break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
			case E1000_STATUS_PCIX_SPEED_133:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
				hw->bus_speed = e1000_bus_speed_133;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
				break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
			default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
				hw->bus_speed = e1000_bus_speed_reserved;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
				break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
		hw->bus_width = (status & E1000_STATUS_BUS64) ?
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
		    e1000_bus_width_64 : e1000_bus_width_32;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
 * e1000_write_reg_io
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
 * @offset: offset to write to
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
 * @value: value to write
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
 * Writes a value to one of the devices registers using port I/O (as opposed to
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
 * memory mapped I/O). Only 82544 and newer devices support port I/O.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
static void e1000_write_reg_io(struct e1000_hw *hw, u32 offset, u32 value)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
	unsigned long io_addr = hw->io_base;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
	unsigned long io_data = hw->io_base + 4;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
	e1000_io_write(hw, io_addr, offset);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
	e1000_io_write(hw, io_data, value);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
 * e1000_get_cable_length - Estimates the cable length.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
 * @min_length: The estimated minimum length
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
 * @max_length: The estimated maximum length
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
 * returns: - E1000_ERR_XXX
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
 *            E1000_SUCCESS
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
 * This function always returns a ranged length (minimum & maximum).
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
 * So for M88 phy's, this function interprets the one value returned from the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
 * register to the minimum and maximum range.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
 * For IGP phy's, the function calculates the range by the AGC registers.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
static s32 e1000_get_cable_length(struct e1000_hw *hw, u16 *min_length,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
				  u16 *max_length)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
	u16 agc_value = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
	u16 i, phy_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
	u16 cable_length;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
	DEBUGFUNC("e1000_get_cable_length");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
	*min_length = *max_length = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
	/* Use old method for Phy older than IGP */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
	if (hw->phy_type == e1000_phy_m88) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
		ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
					     &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
		cable_length = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
		    M88E1000_PSSR_CABLE_LENGTH_SHIFT;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
		/* Convert the enum value to ranged values */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
		switch (cable_length) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
		case e1000_cable_length_50:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
			*min_length = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
			*max_length = e1000_igp_cable_length_50;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
		case e1000_cable_length_50_80:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
			*min_length = e1000_igp_cable_length_50;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
			*max_length = e1000_igp_cable_length_80;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
		case e1000_cable_length_80_110:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
			*min_length = e1000_igp_cable_length_80;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
			*max_length = e1000_igp_cable_length_110;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
		case e1000_cable_length_110_140:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
			*min_length = e1000_igp_cable_length_110;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
			*max_length = e1000_igp_cable_length_140;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
		case e1000_cable_length_140:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
			*min_length = e1000_igp_cable_length_140;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
			*max_length = e1000_igp_cable_length_170;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
		default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
			return -E1000_ERR_PHY;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
	} else if (hw->phy_type == e1000_phy_igp) {	/* For IGP PHY */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
		u16 cur_agc_value;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
		u16 min_agc_value = IGP01E1000_AGC_LENGTH_TABLE_SIZE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
		u16 agc_reg_array[IGP01E1000_PHY_CHANNEL_NUM] =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
		    { IGP01E1000_PHY_AGC_A,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
			IGP01E1000_PHY_AGC_B,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
			IGP01E1000_PHY_AGC_C,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
			IGP01E1000_PHY_AGC_D
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
		};
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
		/* Read the AGC registers for all channels */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
		for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
			    e1000_read_phy_reg(hw, agc_reg_array[i], &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
			cur_agc_value = phy_data >> IGP01E1000_AGC_LENGTH_SHIFT;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
			/* Value bound check. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
			if ((cur_agc_value >=
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
			     IGP01E1000_AGC_LENGTH_TABLE_SIZE - 1)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
			    || (cur_agc_value == 0))
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
				return -E1000_ERR_PHY;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
			agc_value += cur_agc_value;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
			/* Update minimal AGC value. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
			if (min_agc_value > cur_agc_value)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
				min_agc_value = cur_agc_value;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
		/* Remove the minimal AGC result for length < 50m */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
		if (agc_value <
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
		    IGP01E1000_PHY_CHANNEL_NUM * e1000_igp_cable_length_50) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
			agc_value -= min_agc_value;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
			/* Get the average length of the remaining 3 channels */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
			agc_value /= (IGP01E1000_PHY_CHANNEL_NUM - 1);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
		} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
			/* Get the average length of all the 4 channels. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
			agc_value /= IGP01E1000_PHY_CHANNEL_NUM;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
		/* Set the range of the calculated length. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
		*min_length = ((e1000_igp_cable_length_table[agc_value] -
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
				IGP01E1000_AGC_RANGE) > 0) ?
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
		    (e1000_igp_cable_length_table[agc_value] -
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
		     IGP01E1000_AGC_RANGE) : 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
		*max_length = e1000_igp_cable_length_table[agc_value] +
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
		    IGP01E1000_AGC_RANGE;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
 * e1000_check_polarity - Check the cable polarity
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
 * @polarity: output parameter : 0 - Polarity is not reversed
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
 *                               1 - Polarity is reversed.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
 * returns: - E1000_ERR_XXX
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
 *            E1000_SUCCESS
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
 * For phy's older than IGP, this function simply reads the polarity bit in the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
 * Phy Status register.  For IGP phy's, this bit is valid only if link speed is
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
 * 10 Mbps.  If the link speed is 100 Mbps there is no polarity so this bit will
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
 * return 0.  If the link speed is 1000 Mbps the polarity status is in the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
 * IGP01E1000_PHY_PCS_INIT_REG.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
static s32 e1000_check_polarity(struct e1000_hw *hw,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
				e1000_rev_polarity *polarity)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
	u16 phy_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
	DEBUGFUNC("e1000_check_polarity");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
	if (hw->phy_type == e1000_phy_m88) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
		/* return the Polarity bit in the Status register. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
		ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
					     &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
		*polarity = ((phy_data & M88E1000_PSSR_REV_POLARITY) >>
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
			     M88E1000_PSSR_REV_POLARITY_SHIFT) ?
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
		    e1000_rev_polarity_reversed : e1000_rev_polarity_normal;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
	} else if (hw->phy_type == e1000_phy_igp) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
		/* Read the Status register to check the speed */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
		ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
					     &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
		/* If speed is 1000 Mbps, must read the IGP01E1000_PHY_PCS_INIT_REG to
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
		 * find the polarity status */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
		if ((phy_data & IGP01E1000_PSSR_SPEED_MASK) ==
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
		    IGP01E1000_PSSR_SPEED_1000MBPS) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
			/* Read the GIG initialization PCS register (0x00B4) */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
			    e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
					       &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
			/* Check the polarity bits */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
			*polarity = (phy_data & IGP01E1000_PHY_POLARITY_MASK) ?
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
			    e1000_rev_polarity_reversed :
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
			    e1000_rev_polarity_normal;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
		} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
			/* For 10 Mbps, read the polarity bit in the status register. (for
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
			 * 100 Mbps this bit is always 0) */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
			*polarity =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
			    (phy_data & IGP01E1000_PSSR_POLARITY_REVERSED) ?
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
			    e1000_rev_polarity_reversed :
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
			    e1000_rev_polarity_normal;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
 * e1000_check_downshift - Check if Downshift occurred
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
 * @downshift: output parameter : 0 - No Downshift occurred.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
 *                                1 - Downshift occurred.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
 * returns: - E1000_ERR_XXX
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
 *            E1000_SUCCESS
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
 * For phy's older than IGP, this function reads the Downshift bit in the Phy
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
 * Specific Status register.  For IGP phy's, it reads the Downgrade bit in the
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
 * Link Health register.  In IGP this bit is latched high, so the driver must
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
 * read it immediately after link is established.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
static s32 e1000_check_downshift(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
	u16 phy_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
	DEBUGFUNC("e1000_check_downshift");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
	if (hw->phy_type == e1000_phy_igp) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
		ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_LINK_HEALTH,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
					     &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
		hw->speed_downgraded =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
		    (phy_data & IGP01E1000_PLHR_SS_DOWNGRADE) ? 1 : 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
	} else if (hw->phy_type == e1000_phy_m88) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
		ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
					     &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
		hw->speed_downgraded = (phy_data & M88E1000_PSSR_DOWNSHIFT) >>
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
		    M88E1000_PSSR_DOWNSHIFT_SHIFT;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
 * e1000_config_dsp_after_link_change
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
 * @link_up: was link up at the time this was called
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
 * returns: - E1000_ERR_PHY if fail to read/write the PHY
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
 *            E1000_SUCCESS at any other case.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
 * 82541_rev_2 & 82547_rev_2 have the capability to configure the DSP when a
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
 * gigabit link is achieved to improve link quality.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
static s32 e1000_config_dsp_after_link_change(struct e1000_hw *hw, bool link_up)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
	u16 phy_data, phy_saved_data, speed, duplex, i;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
	u16 dsp_reg_array[IGP01E1000_PHY_CHANNEL_NUM] =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
	    { IGP01E1000_PHY_AGC_PARAM_A,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
		IGP01E1000_PHY_AGC_PARAM_B,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
		IGP01E1000_PHY_AGC_PARAM_C,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
		IGP01E1000_PHY_AGC_PARAM_D
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
	};
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
	u16 min_length, max_length;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
	DEBUGFUNC("e1000_config_dsp_after_link_change");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
	if (hw->phy_type != e1000_phy_igp)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
		return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
	if (link_up) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
		ret_val = e1000_get_speed_and_duplex(hw, &speed, &duplex);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
		if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
			DEBUGOUT("Error getting link speed and duplex\n");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
		if (speed == SPEED_1000) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
			    e1000_get_cable_length(hw, &min_length,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
						   &max_length);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
			if ((hw->dsp_config_state == e1000_dsp_config_enabled)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
			    && min_length >= e1000_igp_cable_length_50) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
				for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
					ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
					    e1000_read_phy_reg(hw,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
							       dsp_reg_array[i],
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
							       &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
					if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
						return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
					phy_data &=
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
					    ~IGP01E1000_PHY_EDAC_MU_INDEX;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
					ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
					    e1000_write_phy_reg(hw,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
								dsp_reg_array
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
								[i], phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
					if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
						return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
				}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
				hw->dsp_config_state =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
				    e1000_dsp_config_activated;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
			if ((hw->ffe_config_state == e1000_ffe_config_enabled)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
			    && (min_length < e1000_igp_cable_length_50)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
				u16 ffe_idle_err_timeout =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
				    FFE_IDLE_ERR_COUNT_TIMEOUT_20;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
				u32 idle_errs = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
				/* clear previous idle error counts */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
				ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
				    e1000_read_phy_reg(hw, PHY_1000T_STATUS,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
						       &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
				if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
					return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
				for (i = 0; i < ffe_idle_err_timeout; i++) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
					udelay(1000);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
					ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
					    e1000_read_phy_reg(hw,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
							       PHY_1000T_STATUS,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
							       &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
					if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
						return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
					idle_errs +=
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
					    (phy_data &
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
					     SR_1000T_IDLE_ERROR_CNT);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
					if (idle_errs >
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
					    SR_1000T_PHY_EXCESSIVE_IDLE_ERR_COUNT)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
					{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
						hw->ffe_config_state =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
						    e1000_ffe_config_active;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
						ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
						    e1000_write_phy_reg(hw,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
									IGP01E1000_PHY_DSP_FFE,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
									IGP01E1000_PHY_DSP_FFE_CM_CP);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
						if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
							return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
						break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
					}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
					if (idle_errs)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
						ffe_idle_err_timeout =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
						    FFE_IDLE_ERR_COUNT_TIMEOUT_100;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
				}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
	} else {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
		if (hw->dsp_config_state == e1000_dsp_config_activated) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
			/* Save off the current value of register 0x2F5B to be restored at
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
			 * the end of the routines. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
			    e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
			/* Disable the PHY transmitter */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
			ret_val = e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
			mdelay(20);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
			ret_val = e1000_write_phy_reg(hw, 0x0000,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
						      IGP01E1000_IEEE_FORCE_GIGA);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
			for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
				ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
				    e1000_read_phy_reg(hw, dsp_reg_array[i],
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
						       &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
				if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
					return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
				phy_data &= ~IGP01E1000_PHY_EDAC_MU_INDEX;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
				phy_data |= IGP01E1000_PHY_EDAC_SIGN_EXT_9_BITS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
				ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
				    e1000_write_phy_reg(hw, dsp_reg_array[i],
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
							phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
				if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
					return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
			}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
			ret_val = e1000_write_phy_reg(hw, 0x0000,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
						      IGP01E1000_IEEE_RESTART_AUTONEG);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
			mdelay(20);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
			/* Now enable the transmitter */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
			    e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
			hw->dsp_config_state = e1000_dsp_config_enabled;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
		if (hw->ffe_config_state == e1000_ffe_config_active) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
			/* Save off the current value of register 0x2F5B to be restored at
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
			 * the end of the routines. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
			    e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
			/* Disable the PHY transmitter */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
			ret_val = e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
			mdelay(20);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
			ret_val = e1000_write_phy_reg(hw, 0x0000,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
						      IGP01E1000_IEEE_FORCE_GIGA);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
			    e1000_write_phy_reg(hw, IGP01E1000_PHY_DSP_FFE,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
						IGP01E1000_PHY_DSP_FFE_DEFAULT);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
			ret_val = e1000_write_phy_reg(hw, 0x0000,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
						      IGP01E1000_IEEE_RESTART_AUTONEG);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
			mdelay(20);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
			/* Now enable the transmitter */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
			    e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
			hw->ffe_config_state = e1000_ffe_config_enabled;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
 * e1000_set_phy_mode - Set PHY to class A mode
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
 * Assumes the following operations will follow to enable the new class mode.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
 *  1. Do a PHY soft reset
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
 *  2. Restart auto-negotiation or force link.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
static s32 e1000_set_phy_mode(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
	u16 eeprom_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
	DEBUGFUNC("e1000_set_phy_mode");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
	if ((hw->mac_type == e1000_82545_rev_3) &&
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
	    (hw->media_type == e1000_media_type_copper)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
		ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
		    e1000_read_eeprom(hw, EEPROM_PHY_CLASS_WORD, 1,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
				      &eeprom_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
		if (ret_val) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
		if ((eeprom_data != EEPROM_RESERVED_WORD) &&
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
		    (eeprom_data & EEPROM_PHY_CLASS_A)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
			    e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
						0x000B);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
			    e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
						0x8104);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
			hw->phy_reset_disable = false;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
 * e1000_set_d3_lplu_state - set d3 link power state
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
 * @active: true to enable lplu false to disable lplu.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
 * This function sets the lplu state according to the active flag.  When
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
 * activating lplu this function also disables smart speed and vise versa.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
 * lplu will not be activated unless the device autonegotiation advertisement
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
 * meets standards of either 10 or 10/100 or 10/100/1000 at all duplexes.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
 * returns: - E1000_ERR_PHY if fail to read/write the PHY
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
 *            E1000_SUCCESS at any other case.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
static s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
	u16 phy_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
	DEBUGFUNC("e1000_set_d3_lplu_state");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
	if (hw->phy_type != e1000_phy_igp)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
		return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
	/* During driver activity LPLU should not be used or it will attain link
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
	 * from the lowest speeds starting from 10Mbps. The capability is used for
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
	 * Dx transitions and states */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
	if (hw->mac_type == e1000_82541_rev_2
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
	    || hw->mac_type == e1000_82547_rev_2) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
		ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
		    e1000_read_phy_reg(hw, IGP01E1000_GMII_FIFO, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
	if (!active) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
		if (hw->mac_type == e1000_82541_rev_2 ||
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
		    hw->mac_type == e1000_82547_rev_2) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
			phy_data &= ~IGP01E1000_GMII_FLEX_SPD;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
			    e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
						phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
		/* LPLU and SmartSpeed are mutually exclusive.  LPLU is used during
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
		 * Dx states where the power conservation is most important.  During
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
		 * driver activity we should enable SmartSpeed, so performance is
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
		 * maintained. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
		if (hw->smart_speed == e1000_smart_speed_on) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
			    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
					       &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
			phy_data |= IGP01E1000_PSCFR_SMART_SPEED;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
			    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
						phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
		} else if (hw->smart_speed == e1000_smart_speed_off) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
			    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
					       &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5388
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5389
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5390
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5391
			phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5392
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5393
			    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5394
						phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5395
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5396
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5397
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5398
	} else if ((hw->autoneg_advertised == AUTONEG_ADVERTISE_SPEED_DEFAULT)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5399
		   || (hw->autoneg_advertised == AUTONEG_ADVERTISE_10_ALL)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5400
		   || (hw->autoneg_advertised ==
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5401
		       AUTONEG_ADVERTISE_10_100_ALL)) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5402
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5403
		if (hw->mac_type == e1000_82541_rev_2 ||
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5404
		    hw->mac_type == e1000_82547_rev_2) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5405
			phy_data |= IGP01E1000_GMII_FLEX_SPD;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5406
			ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5407
			    e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5408
						phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5409
			if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5410
				return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5411
		}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5412
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5413
		/* When LPLU is enabled we should disable SmartSpeed */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5414
		ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5415
		    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5416
				       &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5417
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5418
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5419
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5420
		phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5421
		ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5422
		    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5423
					phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5424
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5425
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5426
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5427
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5428
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5429
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5430
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5431
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5432
 * e1000_set_vco_speed
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5433
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5434
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5435
 * Change VCO speed register to improve Bit Error Rate performance of SERDES.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5436
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5437
static s32 e1000_set_vco_speed(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5438
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5439
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5440
	u16 default_page = 0;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5441
	u16 phy_data;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5442
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5443
	DEBUGFUNC("e1000_set_vco_speed");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5444
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5445
	switch (hw->mac_type) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5446
	case e1000_82545_rev_3:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5447
	case e1000_82546_rev_3:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5448
		break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5449
	default:
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5450
		return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5451
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5452
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5453
	/* Set PHY register 30, page 5, bit 8 to 0 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5454
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5455
	ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5456
	    e1000_read_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, &default_page);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5457
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5458
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5459
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5460
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0005);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5461
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5462
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5463
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5464
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5465
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5466
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5467
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5468
	phy_data &= ~M88E1000_PHY_VCO_REG_BIT8;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5469
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5470
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5471
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5472
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5473
	/* Set PHY register 30, page 4, bit 11 to 1 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5474
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5475
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0004);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5476
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5477
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5478
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5479
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, &phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5480
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5481
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5482
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5483
	phy_data |= M88E1000_PHY_VCO_REG_BIT11;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5484
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, phy_data);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5485
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5486
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5487
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5488
	ret_val =
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5489
	    e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, default_page);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5490
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5491
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5492
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5493
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5494
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5495
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5496
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5497
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5498
 * e1000_enable_mng_pass_thru - check for bmc pass through
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5499
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5500
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5501
 * Verifies the hardware needs to allow ARPs to be processed by the host
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5502
 * returns: - true/false
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5503
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5504
u32 e1000_enable_mng_pass_thru(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5505
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5506
	u32 manc;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5507
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5508
	if (hw->asf_firmware_present) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5509
		manc = er32(MANC);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5510
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5511
		if (!(manc & E1000_MANC_RCV_TCO_EN) ||
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5512
		    !(manc & E1000_MANC_EN_MAC_ADDR_FILTER))
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5513
			return false;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5514
		if ((manc & E1000_MANC_SMBUS_EN) && !(manc & E1000_MANC_ASF_EN))
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5515
			return true;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5516
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5517
	return false;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5518
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5519
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5520
static s32 e1000_polarity_reversal_workaround(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5521
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5522
	s32 ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5523
	u16 mii_status_reg;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5524
	u16 i;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5525
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5526
	/* Polarity reversal workaround for forced 10F/10H links. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5527
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5528
	/* Disable the transmitter on the PHY */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5529
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5530
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0019);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5531
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5532
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5533
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFFFF);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5534
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5535
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5536
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5537
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0000);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5538
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5539
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5540
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5541
	/* This loop will early-out if the NO link condition has been met. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5542
	for (i = PHY_FORCE_TIME; i > 0; i--) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5543
		/* Read the MII Status Register and wait for Link Status bit
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5544
		 * to be clear.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5545
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5546
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5547
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5548
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5549
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5550
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5551
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5552
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5553
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5554
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5555
		if ((mii_status_reg & ~MII_SR_LINK_STATUS) == 0)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5556
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5557
		mdelay(100);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5558
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5559
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5560
	/* Recommended delay time after link has been lost */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5561
	mdelay(1000);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5562
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5563
	/* Now we will re-enable th transmitter on the PHY */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5564
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5565
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0019);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5566
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5567
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5568
	mdelay(50);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5569
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFFF0);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5570
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5571
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5572
	mdelay(50);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5573
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFF00);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5574
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5575
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5576
	mdelay(50);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5577
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0x0000);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5578
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5579
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5580
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5581
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0000);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5582
	if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5583
		return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5584
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5585
	/* This loop will early-out if the link condition has been met. */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5586
	for (i = PHY_FORCE_TIME; i > 0; i--) {
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5587
		/* Read the MII Status Register and wait for Link Status bit
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5588
		 * to be set.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5589
		 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5590
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5591
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5592
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5593
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5594
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5595
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5596
		if (ret_val)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5597
			return ret_val;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5598
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5599
		if (mii_status_reg & MII_SR_LINK_STATUS)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5600
			break;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5601
		mdelay(100);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5602
	}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5603
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5604
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5605
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5606
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5607
 * e1000_get_auto_rd_done
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5608
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5609
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5610
 * Check for EEPROM Auto Read bit done.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5611
 * returns: - E1000_ERR_RESET if fail to reset MAC
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5612
 *            E1000_SUCCESS at any other case.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5613
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5614
static s32 e1000_get_auto_rd_done(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5615
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5616
	DEBUGFUNC("e1000_get_auto_rd_done");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5617
	msleep(5);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5618
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5619
}
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5620
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5621
/**
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5622
 * e1000_get_phy_cfg_done
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5623
 * @hw: Struct containing variables accessed by shared code
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5624
 *
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5625
 * Checks if the PHY configuration is done
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5626
 * returns: - E1000_ERR_RESET if fail to reset MAC
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5627
 *            E1000_SUCCESS at any other case.
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5628
 */
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5629
static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw)
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5630
{
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5631
	DEBUGFUNC("e1000_get_phy_cfg_done");
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5632
	mdelay(10);
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5633
	return E1000_SUCCESS;
15babd8d4205 Added e1000 driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5634
}