devices/e1000/e1000_hw-2.6.35-ethercat.c
author Dave Page <dave.page@gleeble.com>
Mon, 06 Apr 2015 14:58:19 -0400
changeset 2613 7208f4341104
parent 2282 9c0710c38627
permissions -rw-r--r--
Remove unused variable
2282
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2006 Intel Corporation.
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  This program is free software; you can redistribute it and/or modify it
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  under the terms and conditions of the GNU General Public License,
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  version 2, as published by the Free Software Foundation.
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  This program is distributed in the hope it will be useful, but WITHOUT
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  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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  more details.
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  You should have received a copy of the GNU General Public License along with
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  this program; if not, write to the Free Software Foundation, Inc.,
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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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  The full GNU General Public License is included in this distribution in
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  the file called "COPYING".
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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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 */
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/* e1000_hw.c
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 * Shared functions for accessing and configuring the MAC
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 */
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#include "e1000-2.6.35-ethercat.h"
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static s32 e1000_check_downshift(struct e1000_hw *hw);
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static s32 e1000_check_polarity(struct e1000_hw *hw,
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				e1000_rev_polarity *polarity);
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static void e1000_clear_hw_cntrs(struct e1000_hw *hw);
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static void e1000_clear_vfta(struct e1000_hw *hw);
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static s32 e1000_config_dsp_after_link_change(struct e1000_hw *hw,
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					      bool link_up);
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static s32 e1000_config_fc_after_link_up(struct e1000_hw *hw);
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static s32 e1000_detect_gig_phy(struct e1000_hw *hw);
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static s32 e1000_get_auto_rd_done(struct e1000_hw *hw);
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static s32 e1000_get_cable_length(struct e1000_hw *hw, u16 *min_length,
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				  u16 *max_length);
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static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw);
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static s32 e1000_id_led_init(struct e1000_hw *hw);
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static void e1000_init_rx_addrs(struct e1000_hw *hw);
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static s32 e1000_phy_igp_get_info(struct e1000_hw *hw,
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				  struct e1000_phy_info *phy_info);
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static s32 e1000_phy_m88_get_info(struct e1000_hw *hw,
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				  struct e1000_phy_info *phy_info);
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static s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active);
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static s32 e1000_wait_autoneg(struct e1000_hw *hw);
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static void e1000_write_reg_io(struct e1000_hw *hw, u32 offset, u32 value);
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static s32 e1000_set_phy_type(struct e1000_hw *hw);
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static void e1000_phy_init_script(struct e1000_hw *hw);
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static s32 e1000_setup_copper_link(struct e1000_hw *hw);
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static s32 e1000_setup_fiber_serdes_link(struct e1000_hw *hw);
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static s32 e1000_adjust_serdes_amplitude(struct e1000_hw *hw);
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static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw);
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static s32 e1000_config_mac_to_phy(struct e1000_hw *hw);
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static void e1000_raise_mdi_clk(struct e1000_hw *hw, u32 *ctrl);
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static void e1000_lower_mdi_clk(struct e1000_hw *hw, u32 *ctrl);
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static void e1000_shift_out_mdi_bits(struct e1000_hw *hw, u32 data, u16 count);
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static u16 e1000_shift_in_mdi_bits(struct e1000_hw *hw);
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static s32 e1000_phy_reset_dsp(struct e1000_hw *hw);
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static s32 e1000_write_eeprom_spi(struct e1000_hw *hw, u16 offset,
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				  u16 words, u16 *data);
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static s32 e1000_write_eeprom_microwire(struct e1000_hw *hw, u16 offset,
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					u16 words, u16 *data);
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static s32 e1000_spi_eeprom_ready(struct e1000_hw *hw);
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static void e1000_raise_ee_clk(struct e1000_hw *hw, u32 *eecd);
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static void e1000_lower_ee_clk(struct e1000_hw *hw, u32 *eecd);
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static void e1000_shift_out_ee_bits(struct e1000_hw *hw, u16 data, u16 count);
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static s32 e1000_write_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
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				  u16 phy_data);
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static s32 e1000_read_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
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				 u16 *phy_data);
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static u16 e1000_shift_in_ee_bits(struct e1000_hw *hw, u16 count);
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static s32 e1000_acquire_eeprom(struct e1000_hw *hw);
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static void e1000_release_eeprom(struct e1000_hw *hw);
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static void e1000_standby_eeprom(struct e1000_hw *hw);
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static s32 e1000_set_vco_speed(struct e1000_hw *hw);
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static s32 e1000_polarity_reversal_workaround(struct e1000_hw *hw);
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static s32 e1000_set_phy_mode(struct e1000_hw *hw);
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static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
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				u16 *data);
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static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
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				 u16 *data);
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/* IGP cable length table */
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static const
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u16 e1000_igp_cable_length_table[IGP01E1000_AGC_LENGTH_TABLE_SIZE] = {
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	5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
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	5, 10, 10, 10, 10, 10, 10, 10, 20, 20, 20, 20, 20, 25, 25, 25,
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	25, 25, 25, 25, 30, 30, 30, 30, 40, 40, 40, 40, 40, 40, 40, 40,
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	40, 50, 50, 50, 50, 50, 50, 50, 60, 60, 60, 60, 60, 60, 60, 60,
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	60, 70, 70, 70, 70, 70, 70, 80, 80, 80, 80, 80, 80, 90, 90, 90,
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	90, 90, 90, 90, 90, 90, 100, 100, 100, 100, 100, 100, 100, 100, 100,
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	    100,
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	100, 100, 100, 100, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110,
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	    110, 110,
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	110, 110, 110, 110, 110, 110, 120, 120, 120, 120, 120, 120, 120, 120,
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	    120, 120
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};
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static DEFINE_SPINLOCK(e1000_eeprom_lock);
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/**
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 * e1000_set_phy_type - Set the phy type member in the hw struct.
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 * @hw: Struct containing variables accessed by shared code
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 */
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static s32 e1000_set_phy_type(struct e1000_hw *hw)
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{
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	e_dbg("e1000_set_phy_type");
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	if (hw->mac_type == e1000_undefined)
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		return -E1000_ERR_PHY_TYPE;
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	switch (hw->phy_id) {
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	case M88E1000_E_PHY_ID:
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	case M88E1000_I_PHY_ID:
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parents:
diff changeset
   125
	case M88E1011_I_PHY_ID:
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parents:
diff changeset
   126
	case M88E1111_I_PHY_ID:
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parents:
diff changeset
   127
		hw->phy_type = e1000_phy_m88;
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parents:
diff changeset
   128
		break;
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parents:
diff changeset
   129
	case IGP01E1000_I_PHY_ID:
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parents:
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   130
		if (hw->mac_type == e1000_82541 ||
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parents:
diff changeset
   131
		    hw->mac_type == e1000_82541_rev_2 ||
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parents:
diff changeset
   132
		    hw->mac_type == e1000_82547 ||
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parents:
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   133
		    hw->mac_type == e1000_82547_rev_2) {
9c0710c38627 Added e1000 driver for 2.6.35.
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parents:
diff changeset
   134
			hw->phy_type = e1000_phy_igp;
9c0710c38627 Added e1000 driver for 2.6.35.
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parents:
diff changeset
   135
			break;
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parents:
diff changeset
   136
		}
9c0710c38627 Added e1000 driver for 2.6.35.
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parents:
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   137
	default:
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parents:
diff changeset
   138
		/* Should never have loaded on this device */
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parents:
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   139
		hw->phy_type = e1000_phy_undefined;
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parents:
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   140
		return -E1000_ERR_PHY_TYPE;
9c0710c38627 Added e1000 driver for 2.6.35.
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parents:
diff changeset
   141
	}
9c0710c38627 Added e1000 driver for 2.6.35.
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parents:
diff changeset
   142
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   143
	return E1000_SUCCESS;
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parents:
diff changeset
   144
}
9c0710c38627 Added e1000 driver for 2.6.35.
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parents:
diff changeset
   145
9c0710c38627 Added e1000 driver for 2.6.35.
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parents:
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   146
/**
9c0710c38627 Added e1000 driver for 2.6.35.
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parents:
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   147
 * e1000_phy_init_script - IGP phy init script - initializes the GbE PHY
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parents:
diff changeset
   148
 * @hw: Struct containing variables accessed by shared code
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   149
 */
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parents:
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   150
static void e1000_phy_init_script(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
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parents:
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   151
{
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parents:
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   152
	u32 ret_val __attribute__ ((unused));
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parents:
diff changeset
   153
	u16 phy_saved_data;
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parents:
diff changeset
   154
9c0710c38627 Added e1000 driver for 2.6.35.
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parents:
diff changeset
   155
	e_dbg("e1000_phy_init_script");
9c0710c38627 Added e1000 driver for 2.6.35.
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parents:
diff changeset
   156
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   157
	if (hw->phy_init_script) {
9c0710c38627 Added e1000 driver for 2.6.35.
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parents:
diff changeset
   158
		msleep(20);
9c0710c38627 Added e1000 driver for 2.6.35.
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parents:
diff changeset
   159
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   160
		/* Save off the current value of register 0x2F5B to be restored at
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   161
		 * the end of this routine. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   162
		ret_val = e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
9c0710c38627 Added e1000 driver for 2.6.35.
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parents:
diff changeset
   163
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   164
		/* Disabled the PHY transmitter */
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parents:
diff changeset
   165
		e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
9c0710c38627 Added e1000 driver for 2.6.35.
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parents:
diff changeset
   166
		msleep(20);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   167
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   168
		e1000_write_phy_reg(hw, 0x0000, 0x0140);
9c0710c38627 Added e1000 driver for 2.6.35.
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parents:
diff changeset
   169
		msleep(5);
9c0710c38627 Added e1000 driver for 2.6.35.
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parents:
diff changeset
   170
9c0710c38627 Added e1000 driver for 2.6.35.
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parents:
diff changeset
   171
		switch (hw->mac_type) {
9c0710c38627 Added e1000 driver for 2.6.35.
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parents:
diff changeset
   172
		case e1000_82541:
9c0710c38627 Added e1000 driver for 2.6.35.
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parents:
diff changeset
   173
		case e1000_82547:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   174
			e1000_write_phy_reg(hw, 0x1F95, 0x0001);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   175
			e1000_write_phy_reg(hw, 0x1F71, 0xBD21);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   176
			e1000_write_phy_reg(hw, 0x1F79, 0x0018);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   177
			e1000_write_phy_reg(hw, 0x1F30, 0x1600);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   178
			e1000_write_phy_reg(hw, 0x1F31, 0x0014);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   179
			e1000_write_phy_reg(hw, 0x1F32, 0x161C);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   180
			e1000_write_phy_reg(hw, 0x1F94, 0x0003);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   181
			e1000_write_phy_reg(hw, 0x1F96, 0x003F);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   182
			e1000_write_phy_reg(hw, 0x2010, 0x0008);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   183
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   184
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   185
		case e1000_82541_rev_2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   186
		case e1000_82547_rev_2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   187
			e1000_write_phy_reg(hw, 0x1F73, 0x0099);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   188
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   189
		default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   190
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   191
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   192
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   193
		e1000_write_phy_reg(hw, 0x0000, 0x3300);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   194
		msleep(20);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   195
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   196
		/* Now enable the transmitter */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   197
		e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   198
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   199
		if (hw->mac_type == e1000_82547) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   200
			u16 fused, fine, coarse;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   201
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   202
			/* Move to analog registers page */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   203
			e1000_read_phy_reg(hw,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   204
					   IGP01E1000_ANALOG_SPARE_FUSE_STATUS,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   205
					   &fused);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   206
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   207
			if (!(fused & IGP01E1000_ANALOG_SPARE_FUSE_ENABLED)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   208
				e1000_read_phy_reg(hw,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   209
						   IGP01E1000_ANALOG_FUSE_STATUS,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   210
						   &fused);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   211
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   212
				fine = fused & IGP01E1000_ANALOG_FUSE_FINE_MASK;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   213
				coarse =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   214
				    fused & IGP01E1000_ANALOG_FUSE_COARSE_MASK;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   215
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   216
				if (coarse >
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   217
				    IGP01E1000_ANALOG_FUSE_COARSE_THRESH) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   218
					coarse -=
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   219
					    IGP01E1000_ANALOG_FUSE_COARSE_10;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   220
					fine -= IGP01E1000_ANALOG_FUSE_FINE_1;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
				} else if (coarse ==
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   222
					   IGP01E1000_ANALOG_FUSE_COARSE_THRESH)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   223
					fine -= IGP01E1000_ANALOG_FUSE_FINE_10;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   224
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
				fused =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   226
				    (fused & IGP01E1000_ANALOG_FUSE_POLY_MASK) |
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   227
				    (fine & IGP01E1000_ANALOG_FUSE_FINE_MASK) |
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   228
				    (coarse &
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   229
				     IGP01E1000_ANALOG_FUSE_COARSE_MASK);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   230
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   231
				e1000_write_phy_reg(hw,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   232
						    IGP01E1000_ANALOG_FUSE_CONTROL,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   233
						    fused);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
				e1000_write_phy_reg(hw,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
						    IGP01E1000_ANALOG_FUSE_BYPASS,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
						    IGP01E1000_ANALOG_FUSE_ENABLE_SW_CONTROL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   237
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   238
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   240
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   242
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
 * e1000_set_mac_type - Set the mac type member in the hw struct.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
s32 e1000_set_mac_type(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   247
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   248
	e_dbg("e1000_set_mac_type");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   249
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   250
	switch (hw->device_id) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   251
	case E1000_DEV_ID_82542:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   252
		switch (hw->revision_id) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   253
		case E1000_82542_2_0_REV_ID:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
			hw->mac_type = e1000_82542_rev2_0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   255
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
		case E1000_82542_2_1_REV_ID:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   257
			hw->mac_type = e1000_82542_rev2_1;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
		default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
			/* Invalid 82542 revision ID */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
			return -E1000_ERR_MAC_TYPE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
	case E1000_DEV_ID_82543GC_FIBER:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
	case E1000_DEV_ID_82543GC_COPPER:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
		hw->mac_type = e1000_82543;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
	case E1000_DEV_ID_82544EI_COPPER:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
	case E1000_DEV_ID_82544EI_FIBER:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
	case E1000_DEV_ID_82544GC_COPPER:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
	case E1000_DEV_ID_82544GC_LOM:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
		hw->mac_type = e1000_82544;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
	case E1000_DEV_ID_82540EM:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
	case E1000_DEV_ID_82540EM_LOM:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
	case E1000_DEV_ID_82540EP:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
	case E1000_DEV_ID_82540EP_LOM:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
	case E1000_DEV_ID_82540EP_LP:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
		hw->mac_type = e1000_82540;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
	case E1000_DEV_ID_82545EM_COPPER:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
	case E1000_DEV_ID_82545EM_FIBER:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
		hw->mac_type = e1000_82545;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
	case E1000_DEV_ID_82545GM_COPPER:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
	case E1000_DEV_ID_82545GM_FIBER:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
	case E1000_DEV_ID_82545GM_SERDES:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
		hw->mac_type = e1000_82545_rev_3;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
	case E1000_DEV_ID_82546EB_COPPER:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
	case E1000_DEV_ID_82546EB_FIBER:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
		hw->mac_type = e1000_82546;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
	case E1000_DEV_ID_82546GB_COPPER:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
	case E1000_DEV_ID_82546GB_FIBER:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
	case E1000_DEV_ID_82546GB_SERDES:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
	case E1000_DEV_ID_82546GB_PCIE:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
	case E1000_DEV_ID_82546GB_QUAD_COPPER:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
		hw->mac_type = e1000_82546_rev_3;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
	case E1000_DEV_ID_82541EI:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
	case E1000_DEV_ID_82541EI_MOBILE:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
	case E1000_DEV_ID_82541ER_LOM:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
		hw->mac_type = e1000_82541;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
	case E1000_DEV_ID_82541ER:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
	case E1000_DEV_ID_82541GI:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
	case E1000_DEV_ID_82541GI_LF:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
	case E1000_DEV_ID_82541GI_MOBILE:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
		hw->mac_type = e1000_82541_rev_2;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
	case E1000_DEV_ID_82547EI:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
	case E1000_DEV_ID_82547EI_MOBILE:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
		hw->mac_type = e1000_82547;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
	case E1000_DEV_ID_82547GI:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
		hw->mac_type = e1000_82547_rev_2;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
		/* Should never have loaded on this device */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
		return -E1000_ERR_MAC_TYPE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
	switch (hw->mac_type) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
	case e1000_82541:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
	case e1000_82547:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
	case e1000_82541_rev_2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
	case e1000_82547_rev_2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
		hw->asf_firmware_present = true;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
	/* The 82543 chip does not count tx_carrier_errors properly in
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
	 * FD mode
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
	if (hw->mac_type == e1000_82543)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
		hw->bad_tx_carr_stats_fd = true;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
	if (hw->mac_type > e1000_82544)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
		hw->has_smbus = true;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
 * e1000_set_media_type - Set media type and TBI compatibility.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
void e1000_set_media_type(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
	u32 status;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
	e_dbg("e1000_set_media_type");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
	if (hw->mac_type != e1000_82543) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
		/* tbi_compatibility is only valid on 82543 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
		hw->tbi_compatibility_en = false;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
	switch (hw->device_id) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
	case E1000_DEV_ID_82545GM_SERDES:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
	case E1000_DEV_ID_82546GB_SERDES:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
		hw->media_type = e1000_media_type_internal_serdes;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
		switch (hw->mac_type) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
		case e1000_82542_rev2_0:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
		case e1000_82542_rev2_1:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
			hw->media_type = e1000_media_type_fiber;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
		default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
			status = er32(STATUS);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
			if (status & E1000_STATUS_TBIMODE) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
				hw->media_type = e1000_media_type_fiber;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
				/* tbi_compatibility not valid on fiber */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
				hw->tbi_compatibility_en = false;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
			} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
				hw->media_type = e1000_media_type_copper;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
 * e1000_reset_hw: reset the hardware completely
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
 * Reset the transmit and receive units; mask and clear all interrupts.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
s32 e1000_reset_hw(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
	u32 ctrl;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
	u32 ctrl_ext;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
	u32 icr __attribute__ ((unused));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
	u32 manc;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
	u32 led_ctrl;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
	e_dbg("e1000_reset_hw");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
	/* For 82542 (rev 2.0), disable MWI before issuing a device reset */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
	if (hw->mac_type == e1000_82542_rev2_0) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
		e_dbg("Disabling MWI on 82542 rev 2.0\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
		e1000_pci_clear_mwi(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
	/* Clear interrupt mask to stop board from generating interrupts */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
	e_dbg("Masking off all interrupts\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
	ew32(IMC, 0xffffffff);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
	/* Disable the Transmit and Receive units.  Then delay to allow
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
	 * any pending transactions to complete before we hit the MAC with
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
	 * the global reset.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
	ew32(RCTL, 0);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
	ew32(TCTL, E1000_TCTL_PSP);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
	E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
	/* The tbi_compatibility_on Flag must be cleared when Rctl is cleared. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
	hw->tbi_compatibility_on = false;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
	/* Delay to allow any outstanding PCI transactions to complete before
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
	 * resetting the device
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
	msleep(10);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
	ctrl = er32(CTRL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
	/* Must reset the PHY before resetting the MAC */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
	if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
		ew32(CTRL, (ctrl | E1000_CTRL_PHY_RST));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
		msleep(5);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
	/* Issue a global reset to the MAC.  This will reset the chip's
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
	 * transmit, receive, DMA, and link units.  It will not effect
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
	 * the current PCI configuration.  The global reset bit is self-
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
	 * clearing, and should clear within a microsecond.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
	e_dbg("Issuing a global reset to MAC\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
	switch (hw->mac_type) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
	case e1000_82544:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
	case e1000_82540:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
	case e1000_82545:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
	case e1000_82546:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
	case e1000_82541:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
	case e1000_82541_rev_2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
		/* These controllers can't ack the 64-bit write when issuing the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
		 * reset, so use IO-mapping as a workaround to issue the reset */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
		E1000_WRITE_REG_IO(hw, CTRL, (ctrl | E1000_CTRL_RST));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
	case e1000_82545_rev_3:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
	case e1000_82546_rev_3:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
		/* Reset is performed on a shadow of the control register */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
		ew32(CTRL_DUP, (ctrl | E1000_CTRL_RST));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
		ew32(CTRL, (ctrl | E1000_CTRL_RST));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
	/* After MAC reset, force reload of EEPROM to restore power-on settings to
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
	 * device.  Later controllers reload the EEPROM automatically, so just wait
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
	 * for reload to complete.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
	switch (hw->mac_type) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
	case e1000_82542_rev2_0:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
	case e1000_82542_rev2_1:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
	case e1000_82543:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
	case e1000_82544:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
		/* Wait for reset to complete */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
		udelay(10);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
		ctrl_ext = er32(CTRL_EXT);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
		ctrl_ext |= E1000_CTRL_EXT_EE_RST;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
		ew32(CTRL_EXT, ctrl_ext);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
		/* Wait for EEPROM reload */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
		msleep(2);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
	case e1000_82541:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
	case e1000_82541_rev_2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
	case e1000_82547:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
	case e1000_82547_rev_2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
		/* Wait for EEPROM reload */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
		msleep(20);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
		/* Auto read done will delay 5ms or poll based on mac type */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
		ret_val = e1000_get_auto_rd_done(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
	/* Disable HW ARPs on ASF enabled adapters */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
	if (hw->mac_type >= e1000_82540) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
		manc = er32(MANC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
		manc &= ~(E1000_MANC_ARP_EN);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
		ew32(MANC, manc);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
	if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
		e1000_phy_init_script(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
		/* Configure activity LED after PHY reset */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
		led_ctrl = er32(LEDCTL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
		led_ctrl &= IGP_ACTIVITY_LED_MASK;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
		led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
		ew32(LEDCTL, led_ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
	/* Clear interrupt mask to stop board from generating interrupts */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
	e_dbg("Masking off all interrupts\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
	ew32(IMC, 0xffffffff);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
	/* Clear any pending interrupt events. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	icr = er32(ICR);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	/* If MWI was previously enabled, reenable it. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
	if (hw->mac_type == e1000_82542_rev2_0) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
		if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
			e1000_pci_set_mwi(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
 * e1000_init_hw: Performs basic configuration of the adapter.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
 * Assumes that the controller has previously been reset and is in a
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
 * post-reset uninitialized state. Initializes the receive address registers,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
 * multicast table, and VLAN filter table. Calls routines to setup link
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
 * configuration and flow control settings. Clears all on-chip counters. Leaves
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
 * the transmit and receive units disabled and uninitialized.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
s32 e1000_init_hw(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
	u32 ctrl;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
	u32 i;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
	u32 mta_size;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
	u32 ctrl_ext;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
	e_dbg("e1000_init_hw");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
	/* Initialize Identification LED */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
	ret_val = e1000_id_led_init(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
	if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
		e_dbg("Error Initializing Identification LED\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
	/* Set the media type and TBI compatibility */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
	e1000_set_media_type(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
	/* Disabling VLAN filtering. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
	e_dbg("Initializing the IEEE VLAN\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
	if (hw->mac_type < e1000_82545_rev_3)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
		ew32(VET, 0);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
	e1000_clear_vfta(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
	/* For 82542 (rev 2.0), disable MWI and put the receiver into reset */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
	if (hw->mac_type == e1000_82542_rev2_0) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
		e_dbg("Disabling MWI on 82542 rev 2.0\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
		e1000_pci_clear_mwi(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
		ew32(RCTL, E1000_RCTL_RST);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
		msleep(5);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	/* Setup the receive address. This involves initializing all of the Receive
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	 * Address Registers (RARs 0 - 15).
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	e1000_init_rx_addrs(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
	/* For 82542 (rev 2.0), take the receiver out of reset and enable MWI */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
	if (hw->mac_type == e1000_82542_rev2_0) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
		ew32(RCTL, 0);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
		msleep(1);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
		if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
			e1000_pci_set_mwi(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
	/* Zero out the Multicast HASH table */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
	e_dbg("Zeroing the MTA\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
	mta_size = E1000_MC_TBL_SIZE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	for (i = 0; i < mta_size; i++) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
		E1000_WRITE_REG_ARRAY(hw, MTA, i, 0);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
		/* use write flush to prevent Memory Write Block (MWB) from
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
		 * occurring when accessing our register space */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
	/* Set the PCI priority bit correctly in the CTRL register.  This
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
	 * determines if the adapter gives priority to receives, or if it
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
	 * gives equal priority to transmits and receives.  Valid only on
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
	 * 82542 and 82543 silicon.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	if (hw->dma_fairness && hw->mac_type <= e1000_82543) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
		ctrl = er32(CTRL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
		ew32(CTRL, ctrl | E1000_CTRL_PRIOR);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
	switch (hw->mac_type) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
	case e1000_82545_rev_3:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
	case e1000_82546_rev_3:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
		/* Workaround for PCI-X problem when BIOS sets MMRBC incorrectly. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
		if (hw->bus_type == e1000_bus_type_pcix
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
		    && e1000_pcix_get_mmrbc(hw) > 2048)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
			e1000_pcix_set_mmrbc(hw, 2048);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
	/* Call a subroutine to configure the link and setup flow control. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
	ret_val = e1000_setup_link(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
	/* Set the transmit descriptor write-back policy */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
	if (hw->mac_type > e1000_82544) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
		ctrl = er32(TXDCTL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
		ctrl =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
		    (ctrl & ~E1000_TXDCTL_WTHRESH) |
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
		    E1000_TXDCTL_FULL_TX_DESC_WB;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
		ew32(TXDCTL, ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
	/* Clear all of the statistics registers (clear on read).  It is
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	 * important that we do this after we have tried to establish link
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
	 * because the symbol error count will increment wildly if there
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
	 * is no link.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
	e1000_clear_hw_cntrs(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
	if (hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER ||
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	    hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
		ctrl_ext = er32(CTRL_EXT);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
		/* Relaxed ordering must be disabled to avoid a parity
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
		 * error crash in a PCI slot. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
		ctrl_ext |= E1000_CTRL_EXT_RO_DIS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
		ew32(CTRL_EXT, ctrl_ext);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
	return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
 * e1000_adjust_serdes_amplitude - Adjust SERDES output amplitude based on EEPROM setting.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
 * @hw: Struct containing variables accessed by shared code.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
static s32 e1000_adjust_serdes_amplitude(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
	u16 eeprom_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
	e_dbg("e1000_adjust_serdes_amplitude");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
	if (hw->media_type != e1000_media_type_internal_serdes)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
		return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
	switch (hw->mac_type) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
	case e1000_82545_rev_3:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
	case e1000_82546_rev_3:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
		return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
	ret_val = e1000_read_eeprom(hw, EEPROM_SERDES_AMPLITUDE, 1,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
	                            &eeprom_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
	if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	if (eeprom_data != EEPROM_RESERVED_WORD) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
		/* Adjust SERDES output amplitude only. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
		eeprom_data &= EEPROM_SERDES_AMPLITUDE_MASK;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
		ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
		    e1000_write_phy_reg(hw, M88E1000_PHY_EXT_CTRL, eeprom_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
 * e1000_setup_link - Configures flow control and link settings.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
 * Determines which flow control settings to use. Calls the appropriate media-
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
 * specific link configuration function. Configures the flow control settings.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
 * Assuming the adapter has a valid link partner, a valid link should be
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
 * established. Assumes the hardware has previously been reset and the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
 * transmitter and receiver are not enabled.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
s32 e1000_setup_link(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
	u32 ctrl_ext;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
	u16 eeprom_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	e_dbg("e1000_setup_link");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
	/* Read and store word 0x0F of the EEPROM. This word contains bits
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	 * that determine the hardware's default PAUSE (flow control) mode,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
	 * a bit that determines whether the HW defaults to enabling or
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
	 * disabling auto-negotiation, and the direction of the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
	 * SW defined pins. If there is no SW over-ride of the flow
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
	 * control setting, then the variable hw->fc will
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
	 * be initialized based on a value in the EEPROM.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
	if (hw->fc == E1000_FC_DEFAULT) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
		ret_val = e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
					    1, &eeprom_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
		if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
			e_dbg("EEPROM Read Error\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
			return -E1000_ERR_EEPROM;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
		if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == 0)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
			hw->fc = E1000_FC_NONE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
		else if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) ==
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
			 EEPROM_WORD0F_ASM_DIR)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
			hw->fc = E1000_FC_TX_PAUSE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
		else
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
			hw->fc = E1000_FC_FULL;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
	/* We want to save off the original Flow Control configuration just
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
	 * in case we get disconnected and then reconnected into a different
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
	 * hub or switch with different Flow Control capabilities.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
	if (hw->mac_type == e1000_82542_rev2_0)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
		hw->fc &= (~E1000_FC_TX_PAUSE);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
	if ((hw->mac_type < e1000_82543) && (hw->report_tx_early == 1))
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
		hw->fc &= (~E1000_FC_RX_PAUSE);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
	hw->original_fc = hw->fc;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
	e_dbg("After fix-ups FlowControl is now = %x\n", hw->fc);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
	/* Take the 4 bits from EEPROM word 0x0F that determine the initial
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
	 * polarity value for the SW controlled pins, and setup the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
	 * Extended Device Control reg with that info.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	 * This is needed because one of the SW controlled pins is used for
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
	 * signal detection.  So this should be done before e1000_setup_pcs_link()
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
	 * or e1000_phy_setup() is called.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
	if (hw->mac_type == e1000_82543) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
		ret_val = e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
					    1, &eeprom_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
		if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
			e_dbg("EEPROM Read Error\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
			return -E1000_ERR_EEPROM;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
		ctrl_ext = ((eeprom_data & EEPROM_WORD0F_SWPDIO_EXT) <<
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
			    SWDPIO__EXT_SHIFT);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
		ew32(CTRL_EXT, ctrl_ext);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
	/* Call the necessary subroutine to configure the link. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
	ret_val = (hw->media_type == e1000_media_type_copper) ?
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
	    e1000_setup_copper_link(hw) : e1000_setup_fiber_serdes_link(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
	/* Initialize the flow control address, type, and PAUSE timer
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
	 * registers to their default values.  This is done even if flow
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
	 * control is disabled, because it does not hurt anything to
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
	 * initialize these registers.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
	e_dbg("Initializing the Flow Control address, type and timer regs\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
	ew32(FCT, FLOW_CONTROL_TYPE);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
	ew32(FCAH, FLOW_CONTROL_ADDRESS_HIGH);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
	ew32(FCAL, FLOW_CONTROL_ADDRESS_LOW);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
	ew32(FCTTV, hw->fc_pause_time);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
	/* Set the flow control receive threshold registers.  Normally,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
	 * these registers will be set to a default threshold that may be
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
	 * adjusted later by the driver's runtime code.  However, if the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
	 * ability to transmit pause frames in not enabled, then these
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	 * registers will be set to 0.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
	if (!(hw->fc & E1000_FC_TX_PAUSE)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
		ew32(FCRTL, 0);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
		ew32(FCRTH, 0);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
		/* We need to set up the Receive Threshold high and low water marks
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
		 * as well as (optionally) enabling the transmission of XON frames.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
		if (hw->fc_send_xon) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
			ew32(FCRTL, (hw->fc_low_water | E1000_FCRTL_XONE));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
			ew32(FCRTH, hw->fc_high_water);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
		} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
			ew32(FCRTL, hw->fc_low_water);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
			ew32(FCRTH, hw->fc_high_water);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
	return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
 * e1000_setup_fiber_serdes_link - prepare fiber or serdes link
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
 * Manipulates Physical Coding Sublayer functions in order to configure
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
 * link. Assumes the hardware has been previously reset and the transmitter
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
 * and receiver are not enabled.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
static s32 e1000_setup_fiber_serdes_link(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
	u32 ctrl;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
	u32 status;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
	u32 txcw = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
	u32 i;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
	u32 signal = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
	e_dbg("e1000_setup_fiber_serdes_link");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
	/* On adapters with a MAC newer than 82544, SWDP 1 will be
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
	 * set when the optics detect a signal. On older adapters, it will be
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
	 * cleared when there is a signal.  This applies to fiber media only.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
	 * If we're on serdes media, adjust the output amplitude to value
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
	 * set in the EEPROM.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
	ctrl = er32(CTRL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
	if (hw->media_type == e1000_media_type_fiber)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
		signal = (hw->mac_type > e1000_82544) ? E1000_CTRL_SWDPIN1 : 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
	ret_val = e1000_adjust_serdes_amplitude(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
	/* Take the link out of reset */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
	ctrl &= ~(E1000_CTRL_LRST);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
	/* Adjust VCO speed to improve BER performance */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
	ret_val = e1000_set_vco_speed(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
	e1000_config_collision_dist(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
	/* Check for a software override of the flow control settings, and setup
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
	 * the device accordingly.  If auto-negotiation is enabled, then software
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
	 * will have to set the "PAUSE" bits to the correct value in the Tranmsit
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
	 * Config Word Register (TXCW) and re-start auto-negotiation.  However, if
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
	 * auto-negotiation is disabled, then software will have to manually
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
	 * configure the two flow control enable bits in the CTRL register.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
	 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
	 * The possible values of the "fc" parameter are:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
	 *      0:  Flow control is completely disabled
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
	 *      1:  Rx flow control is enabled (we can receive pause frames, but
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
	 *          not send pause frames).
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
	 *      2:  Tx flow control is enabled (we can send pause frames but we do
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
	 *          not support receiving pause frames).
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
	 *      3:  Both Rx and TX flow control (symmetric) are enabled.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
	switch (hw->fc) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
	case E1000_FC_NONE:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
		/* Flow control is completely disabled by a software over-ride. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	case E1000_FC_RX_PAUSE:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
		/* RX Flow control is enabled and TX Flow control is disabled by a
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
		 * software over-ride. Since there really isn't a way to advertise
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
		 * that we are capable of RX Pause ONLY, we will advertise that we
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
		 * support both symmetric and asymmetric RX PAUSE. Later, we will
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
		 *  disable the adapter's ability to send PAUSE frames.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
	case E1000_FC_TX_PAUSE:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
		/* TX Flow control is enabled, and RX Flow control is disabled, by a
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
		 * software over-ride.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_ASM_DIR);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
	case E1000_FC_FULL:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
		/* Flow control (both RX and TX) is enabled by a software over-ride. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
		e_dbg("Flow control param set incorrectly\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
		return -E1000_ERR_CONFIG;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
	/* Since auto-negotiation is enabled, take the link out of reset (the link
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
	 * will be in reset, because we previously reset the chip). This will
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	 * restart auto-negotiation.  If auto-negotiation is successful then the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
	 * link-up status bit will be set and the flow control enable bits (RFCE
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
	 * and TFCE) will be set according to their negotiated value.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	e_dbg("Auto-negotiation enabled\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
	ew32(TXCW, txcw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
	ew32(CTRL, ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
	E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
	hw->txcw = txcw;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
	msleep(1);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
	/* If we have a signal (the cable is plugged in) then poll for a "Link-Up"
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
	 * indication in the Device Status Register.  Time-out if a link isn't
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
	 * seen in 500 milliseconds seconds (Auto-negotiation should complete in
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
	 * less than 500 milliseconds even if the other end is doing it in SW).
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
	 * For internal serdes, we just assume a signal is present, then poll.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
	if (hw->media_type == e1000_media_type_internal_serdes ||
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	    (er32(CTRL) & E1000_CTRL_SWDPIN1) == signal) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
		e_dbg("Looking for Link\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
		for (i = 0; i < (LINK_UP_TIMEOUT / 10); i++) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
			msleep(10);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
			status = er32(STATUS);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
			if (status & E1000_STATUS_LU)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
				break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
		if (i == (LINK_UP_TIMEOUT / 10)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
			e_dbg("Never got a valid link from auto-neg!!!\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
			hw->autoneg_failed = 1;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
			/* AutoNeg failed to achieve a link, so we'll call
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
			 * e1000_check_for_link. This routine will force the link up if
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
			 * we detect a signal. This will allow us to communicate with
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
			 * non-autonegotiating link partners.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
			 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
			ret_val = e1000_check_for_link(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
			if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
				e_dbg("Error while checking for link\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
			hw->autoneg_failed = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
		} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
			hw->autoneg_failed = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
			e_dbg("Valid Link Found\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
	} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
		e_dbg("No Signal Detected\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
 * e1000_copper_link_preconfig - early configuration for copper
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
 * Make sure we have a valid PHY and change PHY mode before link setup.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
static s32 e1000_copper_link_preconfig(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
	u32 ctrl;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	u16 phy_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
	e_dbg("e1000_copper_link_preconfig");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
	ctrl = er32(CTRL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
	/* With 82543, we need to force speed and duplex on the MAC equal to what
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
	 * the PHY speed and duplex configuration is. In addition, we need to
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
	 * perform a hardware reset on the PHY to take it out of reset.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
	if (hw->mac_type > e1000_82543) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
		ctrl |= E1000_CTRL_SLU;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
		ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
		ew32(CTRL, ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
	} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
		ctrl |=
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
		    (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX | E1000_CTRL_SLU);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
		ew32(CTRL, ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
		ret_val = e1000_phy_hw_reset(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
	/* Make sure we have a valid PHY */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
	ret_val = e1000_detect_gig_phy(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
	if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
		e_dbg("Error, did not detect valid phy.\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
	e_dbg("Phy ID = %x\n", hw->phy_id);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
	/* Set PHY to class A mode (if necessary) */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
	ret_val = e1000_set_phy_mode(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
	if ((hw->mac_type == e1000_82545_rev_3) ||
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
	    (hw->mac_type == e1000_82546_rev_3)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
		ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
		    e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
		phy_data |= 0x00000008;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
		ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
		    e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
	if (hw->mac_type <= e1000_82543 ||
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
	    hw->mac_type == e1000_82541 || hw->mac_type == e1000_82547 ||
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
	    hw->mac_type == e1000_82541_rev_2
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
	    || hw->mac_type == e1000_82547_rev_2)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
		hw->phy_reset_disable = false;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
 * e1000_copper_link_igp_setup - Copper link setup for e1000_phy_igp series.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
static s32 e1000_copper_link_igp_setup(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
	u32 led_ctrl;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
	u16 phy_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
	e_dbg("e1000_copper_link_igp_setup");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
	if (hw->phy_reset_disable)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
		return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
	ret_val = e1000_phy_reset(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
	if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
		e_dbg("Error Resetting the PHY\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
	/* Wait 15ms for MAC to configure PHY from eeprom settings */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
	msleep(15);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
	/* Configure activity LED after PHY reset */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
	led_ctrl = er32(LEDCTL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
	led_ctrl &= IGP_ACTIVITY_LED_MASK;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
	led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
	ew32(LEDCTL, led_ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
	/* The NVM settings will configure LPLU in D3 for IGP2 and IGP3 PHYs */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
	if (hw->phy_type == e1000_phy_igp) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
		/* disable lplu d3 during driver init */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
		ret_val = e1000_set_d3_lplu_state(hw, false);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
		if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
			e_dbg("Error Disabling LPLU D3\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
	/* Configure mdi-mdix settings */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
	ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
	if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
		hw->dsp_config_state = e1000_dsp_config_disabled;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
		/* Force MDI for earlier revs of the IGP PHY */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
		phy_data &=
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
		    ~(IGP01E1000_PSCR_AUTO_MDIX |
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
		      IGP01E1000_PSCR_FORCE_MDI_MDIX);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
		hw->mdix = 1;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
		hw->dsp_config_state = e1000_dsp_config_enabled;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
		phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
		switch (hw->mdix) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
		case 1:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
			phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
		case 2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
			phy_data |= IGP01E1000_PSCR_FORCE_MDI_MDIX;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
		case 0:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
		default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
			phy_data |= IGP01E1000_PSCR_AUTO_MDIX;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
	/* set auto-master slave resolution settings */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	if (hw->autoneg) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
		e1000_ms_type phy_ms_setting = hw->master_slave;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
		if (hw->ffe_config_state == e1000_ffe_config_active)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
			hw->ffe_config_state = e1000_ffe_config_enabled;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
		if (hw->dsp_config_state == e1000_dsp_config_activated)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
			hw->dsp_config_state = e1000_dsp_config_enabled;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
		/* when autonegotiation advertisement is only 1000Mbps then we
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
		 * should disable SmartSpeed and enable Auto MasterSlave
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
		 * resolution as hardware default. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
		if (hw->autoneg_advertised == ADVERTISE_1000_FULL) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
			/* Disable SmartSpeed */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
			    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
					       &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
			phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
			    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
						phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
			/* Set auto Master/Slave resolution process */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
			    e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
			phy_data &= ~CR_1000T_MS_ENABLE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
			    e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
		ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
		/* load defaults for future use */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
		hw->original_master_slave = (phy_data & CR_1000T_MS_ENABLE) ?
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
		    ((phy_data & CR_1000T_MS_VALUE) ?
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
		     e1000_ms_force_master :
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
		     e1000_ms_force_slave) : e1000_ms_auto;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
		switch (phy_ms_setting) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
		case e1000_ms_force_master:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
			phy_data |= (CR_1000T_MS_ENABLE | CR_1000T_MS_VALUE);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
		case e1000_ms_force_slave:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
			phy_data |= CR_1000T_MS_ENABLE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
			phy_data &= ~(CR_1000T_MS_VALUE);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
		case e1000_ms_auto:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
			phy_data &= ~CR_1000T_MS_ENABLE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
		default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
		ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
 * e1000_copper_link_mgp_setup - Copper link setup for e1000_phy_m88 series.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
static s32 e1000_copper_link_mgp_setup(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
	u16 phy_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
	e_dbg("e1000_copper_link_mgp_setup");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
	if (hw->phy_reset_disable)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
		return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
	/* Enable CRS on TX. This must be set for half-duplex operation. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
	phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
	/* Options:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
	 *   MDI/MDI-X = 0 (default)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
	 *   0 - Auto for all speeds
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
	 *   1 - MDI mode
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
	 *   2 - MDI-X mode
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
	 *   3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
	phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
	switch (hw->mdix) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
	case 1:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
		phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
	case 2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
		phy_data |= M88E1000_PSCR_MDIX_MANUAL_MODE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
	case 3:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
		phy_data |= M88E1000_PSCR_AUTO_X_1000T;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
	case 0:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
		phy_data |= M88E1000_PSCR_AUTO_X_MODE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
	/* Options:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
	 *   disable_polarity_correction = 0 (default)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
	 *       Automatic Correction for Reversed Cable Polarity
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
	 *   0 - Disabled
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
	 *   1 - Enabled
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
	phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
	if (hw->disable_polarity_correction == 1)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
		phy_data |= M88E1000_PSCR_POLARITY_REVERSAL;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
	if (hw->phy_revision < M88E1011_I_REV_4) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
		/* Force TX_CLK in the Extended PHY Specific Control Register
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
		 * to 25MHz clock.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
		ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
		    e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
				       &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
		phy_data |= M88E1000_EPSCR_TX_CLK_25;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
		if ((hw->phy_revision == E1000_REVISION_2) &&
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
		    (hw->phy_id == M88E1111_I_PHY_ID)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
			/* Vidalia Phy, set the downshift counter to 5x */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
			phy_data &= ~(M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
			phy_data |= M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
			ret_val = e1000_write_phy_reg(hw,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
						      M88E1000_EXT_PHY_SPEC_CTRL,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
						      phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
		} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
			/* Configure Master and Slave downshift values */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
			phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK |
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
				      M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
			phy_data |= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X |
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
				     M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
			ret_val = e1000_write_phy_reg(hw,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
						      M88E1000_EXT_PHY_SPEC_CTRL,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
						      phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
	/* SW Reset the PHY so all changes take effect */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
	ret_val = e1000_phy_reset(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
	if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
		e_dbg("Error Resetting the PHY\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
 * e1000_copper_link_autoneg - setup auto-neg
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
 * Setup auto-negotiation and flow control advertisements,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
 * and then perform auto-negotiation.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
static s32 e1000_copper_link_autoneg(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
	u16 phy_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
	e_dbg("e1000_copper_link_autoneg");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
	/* Perform some bounds checking on the hw->autoneg_advertised
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
	 * parameter.  If this variable is zero, then set it to the default.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
	hw->autoneg_advertised &= AUTONEG_ADVERTISE_SPEED_DEFAULT;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
	/* If autoneg_advertised is zero, we assume it was not defaulted
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
	 * by the calling code so we set to advertise full capability.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
	if (hw->autoneg_advertised == 0)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
		hw->autoneg_advertised = AUTONEG_ADVERTISE_SPEED_DEFAULT;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
	e_dbg("Reconfiguring auto-neg advertisement params\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	ret_val = e1000_phy_setup_autoneg(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
	if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
		e_dbg("Error Setting up Auto-Negotiation\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
	e_dbg("Restarting Auto-Neg\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
	/* Restart auto-negotiation by setting the Auto Neg Enable bit and
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
	 * the Auto Neg Restart bit in the PHY control register.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
	ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
	phy_data |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
	ret_val = e1000_write_phy_reg(hw, PHY_CTRL, phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
	/* Does the user want to wait for Auto-Neg to complete here, or
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
	 * check at a later time (for example, callback routine).
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
	if (hw->wait_autoneg_complete) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
		ret_val = e1000_wait_autoneg(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
		if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
			e_dbg
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
			    ("Error while waiting for autoneg to complete\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
	hw->get_link_status = true;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
 * e1000_copper_link_postconfig - post link setup
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
 * Config the MAC and the PHY after link is up.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
 *   1) Set up the MAC to the current PHY speed/duplex
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
 *      if we are on 82543.  If we
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
 *      are on newer silicon, we only need to configure
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
 *      collision distance in the Transmit Control Register.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
 *   2) Set up flow control on the MAC to that established with
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
 *      the link partner.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
 *   3) Config DSP to improve Gigabit link quality for some PHY revisions.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
static s32 e1000_copper_link_postconfig(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
	e_dbg("e1000_copper_link_postconfig");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
	if (hw->mac_type >= e1000_82544) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
		e1000_config_collision_dist(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
	} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
		ret_val = e1000_config_mac_to_phy(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
		if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
			e_dbg("Error configuring MAC to PHY settings\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
	ret_val = e1000_config_fc_after_link_up(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
	if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
		e_dbg("Error Configuring Flow Control\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
	/* Config DSP to improve Giga link quality */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
	if (hw->phy_type == e1000_phy_igp) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
		ret_val = e1000_config_dsp_after_link_change(hw, true);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
		if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
			e_dbg("Error Configuring DSP after link up\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
 * e1000_setup_copper_link - phy/speed/duplex setting
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
 * Detects which PHY is present and sets up the speed and duplex
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
static s32 e1000_setup_copper_link(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
	u16 i;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
	u16 phy_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
	e_dbg("e1000_setup_copper_link");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
	/* Check if it is a valid PHY and set PHY mode if necessary. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
	ret_val = e1000_copper_link_preconfig(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	if (hw->phy_type == e1000_phy_igp) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
		ret_val = e1000_copper_link_igp_setup(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
	} else if (hw->phy_type == e1000_phy_m88) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
		ret_val = e1000_copper_link_mgp_setup(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
	if (hw->autoneg) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
		/* Setup autoneg and flow control advertisement
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
		 * and perform autonegotiation */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
		ret_val = e1000_copper_link_autoneg(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
	} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
		/* PHY will be set to 10H, 10F, 100H,or 100F
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
		 * depending on value from forced_speed_duplex. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
		e_dbg("Forcing speed and duplex\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
		ret_val = e1000_phy_force_speed_duplex(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
		if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
			e_dbg("Error Forcing Speed and Duplex\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
	/* Check link status. Wait up to 100 microseconds for link to become
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
	 * valid.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
	for (i = 0; i < 10; i++) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
		if (phy_data & MII_SR_LINK_STATUS) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
			/* Config the MAC and PHY after link is up */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
			ret_val = e1000_copper_link_postconfig(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
			e_dbg("Valid link established!!!\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
			return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
		udelay(10);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
	e_dbg("Unable to establish link!!!\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
 * e1000_phy_setup_autoneg - phy settings
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
 * Configures PHY autoneg and flow control advertisement settings
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
	u16 mii_autoneg_adv_reg;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
	u16 mii_1000t_ctrl_reg;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
	e_dbg("e1000_phy_setup_autoneg");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
	/* Read the MII Auto-Neg Advertisement Register (Address 4). */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
	ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
	/* Read the MII 1000Base-T Control Register (Address 9). */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
	ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
	    e1000_read_phy_reg(hw, PHY_1000T_CTRL, &mii_1000t_ctrl_reg);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
	/* Need to parse both autoneg_advertised and fc and set up
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
	 * the appropriate PHY registers.  First we will parse for
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
	 * autoneg_advertised software override.  Since we can advertise
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
	 * a plethora of combinations, we need to check each bit
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
	 * individually.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
	/* First we clear all the 10/100 mb speed bits in the Auto-Neg
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
	 * Advertisement Register (Address 4) and the 1000 mb speed bits in
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
	 * the  1000Base-T Control Register (Address 9).
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
	mii_autoneg_adv_reg &= ~REG4_SPEED_MASK;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
	mii_1000t_ctrl_reg &= ~REG9_SPEED_MASK;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
	e_dbg("autoneg_advertised %x\n", hw->autoneg_advertised);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
	/* Do we want to advertise 10 Mb Half Duplex? */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
	if (hw->autoneg_advertised & ADVERTISE_10_HALF) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
		e_dbg("Advertise 10mb Half duplex\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
		mii_autoneg_adv_reg |= NWAY_AR_10T_HD_CAPS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
	/* Do we want to advertise 10 Mb Full Duplex? */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
	if (hw->autoneg_advertised & ADVERTISE_10_FULL) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
		e_dbg("Advertise 10mb Full duplex\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
		mii_autoneg_adv_reg |= NWAY_AR_10T_FD_CAPS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
	/* Do we want to advertise 100 Mb Half Duplex? */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
	if (hw->autoneg_advertised & ADVERTISE_100_HALF) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
		e_dbg("Advertise 100mb Half duplex\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
		mii_autoneg_adv_reg |= NWAY_AR_100TX_HD_CAPS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
	/* Do we want to advertise 100 Mb Full Duplex? */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
	if (hw->autoneg_advertised & ADVERTISE_100_FULL) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
		e_dbg("Advertise 100mb Full duplex\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
		mii_autoneg_adv_reg |= NWAY_AR_100TX_FD_CAPS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
	/* We do not allow the Phy to advertise 1000 Mb Half Duplex */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
	if (hw->autoneg_advertised & ADVERTISE_1000_HALF) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
		e_dbg
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
		    ("Advertise 1000mb Half duplex requested, request denied!\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
	/* Do we want to advertise 1000 Mb Full Duplex? */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
	if (hw->autoneg_advertised & ADVERTISE_1000_FULL) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
		e_dbg("Advertise 1000mb Full duplex\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
		mii_1000t_ctrl_reg |= CR_1000T_FD_CAPS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
	/* Check for a software override of the flow control settings, and
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
	 * setup the PHY advertisement registers accordingly.  If
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
	 * auto-negotiation is enabled, then software will have to set the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
	 * "PAUSE" bits to the correct value in the Auto-Negotiation
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
	 * Advertisement Register (PHY_AUTONEG_ADV) and re-start auto-negotiation.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
	 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
	 * The possible values of the "fc" parameter are:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
	 *      0:  Flow control is completely disabled
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
	 *      1:  Rx flow control is enabled (we can receive pause frames
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
	 *          but not send pause frames).
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
	 *      2:  Tx flow control is enabled (we can send pause frames
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
	 *          but we do not support receiving pause frames).
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
	 *      3:  Both Rx and TX flow control (symmetric) are enabled.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
	 *  other:  No software override.  The flow control configuration
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
	 *          in the EEPROM is used.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
	switch (hw->fc) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
	case E1000_FC_NONE:	/* 0 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
		/* Flow control (RX & TX) is completely disabled by a
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
		 * software over-ride.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
		mii_autoneg_adv_reg &= ~(NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
	case E1000_FC_RX_PAUSE:	/* 1 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
		/* RX Flow control is enabled, and TX Flow control is
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
		 * disabled, by a software over-ride.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
		/* Since there really isn't a way to advertise that we are
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
		 * capable of RX Pause ONLY, we will advertise that we
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
		 * support both symmetric and asymmetric RX PAUSE.  Later
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
		 * (in e1000_config_fc_after_link_up) we will disable the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
		 *hw's ability to send PAUSE frames.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
	case E1000_FC_TX_PAUSE:	/* 2 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
		/* TX Flow control is enabled, and RX Flow control is
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
		 * disabled, by a software over-ride.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
		mii_autoneg_adv_reg |= NWAY_AR_ASM_DIR;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
		mii_autoneg_adv_reg &= ~NWAY_AR_PAUSE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
	case E1000_FC_FULL:	/* 3 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
		/* Flow control (both RX and TX) is enabled by a software
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
		 * over-ride.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
		e_dbg("Flow control param set incorrectly\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
		return -E1000_ERR_CONFIG;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
	ret_val = e1000_write_phy_reg(hw, PHY_AUTONEG_ADV, mii_autoneg_adv_reg);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
	e_dbg("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
	ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, mii_1000t_ctrl_reg);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
 * e1000_phy_force_speed_duplex - force link settings
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
 * Force PHY speed and duplex settings to hw->forced_speed_duplex
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
	u32 ctrl;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
	u16 mii_ctrl_reg;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
	u16 mii_status_reg;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
	u16 phy_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
	u16 i;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
	e_dbg("e1000_phy_force_speed_duplex");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
	/* Turn off Flow control if we are forcing speed and duplex. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
	hw->fc = E1000_FC_NONE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
	e_dbg("hw->fc = %d\n", hw->fc);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
	/* Read the Device Control Register. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
	ctrl = er32(CTRL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
	/* Set the bits to Force Speed and Duplex in the Device Ctrl Reg. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
	ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
	ctrl &= ~(DEVICE_SPEED_MASK);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
	/* Clear the Auto Speed Detect Enable bit. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
	ctrl &= ~E1000_CTRL_ASDE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
	/* Read the MII Control Register. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
	ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &mii_ctrl_reg);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
	/* We need to disable autoneg in order to force link and duplex. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
	mii_ctrl_reg &= ~MII_CR_AUTO_NEG_EN;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
	/* Are we forcing Full or Half Duplex? */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
	if (hw->forced_speed_duplex == e1000_100_full ||
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
	    hw->forced_speed_duplex == e1000_10_full) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
		/* We want to force full duplex so we SET the full duplex bits in the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
		 * Device and MII Control Registers.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
		ctrl |= E1000_CTRL_FD;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
		mii_ctrl_reg |= MII_CR_FULL_DUPLEX;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
		e_dbg("Full Duplex\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
	} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
		/* We want to force half duplex so we CLEAR the full duplex bits in
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
		 * the Device and MII Control Registers.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
		ctrl &= ~E1000_CTRL_FD;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
		mii_ctrl_reg &= ~MII_CR_FULL_DUPLEX;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
		e_dbg("Half Duplex\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
	/* Are we forcing 100Mbps??? */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
	if (hw->forced_speed_duplex == e1000_100_full ||
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
	    hw->forced_speed_duplex == e1000_100_half) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
		/* Set the 100Mb bit and turn off the 1000Mb and 10Mb bits. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
		ctrl |= E1000_CTRL_SPD_100;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
		mii_ctrl_reg |= MII_CR_SPEED_100;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
		mii_ctrl_reg &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_10);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
		e_dbg("Forcing 100mb ");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
	} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
		/* Set the 10Mb bit and turn off the 1000Mb and 100Mb bits. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
		ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
		mii_ctrl_reg |= MII_CR_SPEED_10;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
		mii_ctrl_reg &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_100);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
		e_dbg("Forcing 10mb ");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
	e1000_config_collision_dist(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
	/* Write the configured values back to the Device Control Reg. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
	ew32(CTRL, ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
	if (hw->phy_type == e1000_phy_m88) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
		ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
		    e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
		/* Clear Auto-Crossover to force MDI manually. M88E1000 requires MDI
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
		 * forced whenever speed are duplex are forced.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
		phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
		ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
		    e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
		e_dbg("M88E1000 PSCR: %x\n", phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
		/* Need to reset the PHY or these changes will be ignored */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
		mii_ctrl_reg |= MII_CR_RESET;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
		/* Disable MDI-X support for 10/100 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
	} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
		/* Clear Auto-Crossover to force MDI manually.  IGP requires MDI
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
		 * forced whenever speed or duplex are forced.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
		ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
		    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
		phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
		phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
		ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
		    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
	/* Write back the modified PHY MII control register. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
	ret_val = e1000_write_phy_reg(hw, PHY_CTRL, mii_ctrl_reg);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
	udelay(1);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
	/* The wait_autoneg_complete flag may be a little misleading here.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
	 * Since we are forcing speed and duplex, Auto-Neg is not enabled.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
	 * But we do want to delay for a period while forcing only so we
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
	 * don't generate false No Link messages.  So we will wait here
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
	 * only if the user has set wait_autoneg_complete to 1, which is
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	 * the default.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	if (hw->wait_autoneg_complete) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
		/* We will wait for autoneg to complete. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
		e_dbg("Waiting for forced speed/duplex link.\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
		mii_status_reg = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
		/* We will wait for autoneg to complete or 4.5 seconds to expire. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
		for (i = PHY_FORCE_TIME; i > 0; i--) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
			/* Read the MII Status Register and wait for Auto-Neg Complete bit
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
			 * to be set.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
			 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
			    e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
			    e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
			if (mii_status_reg & MII_SR_LINK_STATUS)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
				break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
			msleep(100);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
		if ((i == 0) && (hw->phy_type == e1000_phy_m88)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
			/* We didn't get link.  Reset the DSP and wait again for link. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
			ret_val = e1000_phy_reset_dsp(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
			if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
				e_dbg("Error Resetting PHY DSP\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
		/* This loop will early-out if the link condition has been met.  */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
		for (i = PHY_FORCE_TIME; i > 0; i--) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
			if (mii_status_reg & MII_SR_LINK_STATUS)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
				break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
			msleep(100);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
			/* Read the MII Status Register and wait for Auto-Neg Complete bit
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
			 * to be set.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
			 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
			    e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
			    e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
	if (hw->phy_type == e1000_phy_m88) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
		/* Because we reset the PHY above, we need to re-force TX_CLK in the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
		 * Extended PHY Specific Control Register to 25MHz clock.  This value
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
		 * defaults back to a 2.5MHz clock when the PHY is reset.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
		ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
		    e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
				       &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
		phy_data |= M88E1000_EPSCR_TX_CLK_25;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
		ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
		    e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
					phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
		/* In addition, because of the s/w reset above, we need to enable CRS on
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
		 * TX.  This must be set for both full and half duplex operation.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
		ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
		    e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
		phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
		ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
		    e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
		if ((hw->mac_type == e1000_82544 || hw->mac_type == e1000_82543)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
		    && (!hw->autoneg)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
		    && (hw->forced_speed_duplex == e1000_10_full
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
			|| hw->forced_speed_duplex == e1000_10_half)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
			ret_val = e1000_polarity_reversal_workaround(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
 * e1000_config_collision_dist - set collision distance register
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
 * Sets the collision distance in the Transmit Control register.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
 * Link should have been established previously. Reads the speed and duplex
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
 * information from the Device Status register.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
void e1000_config_collision_dist(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
	u32 tctl, coll_dist;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
	e_dbg("e1000_config_collision_dist");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
	if (hw->mac_type < e1000_82543)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
		coll_dist = E1000_COLLISION_DISTANCE_82542;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
	else
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
		coll_dist = E1000_COLLISION_DISTANCE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
	tctl = er32(TCTL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
	tctl &= ~E1000_TCTL_COLD;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
	tctl |= coll_dist << E1000_COLD_SHIFT;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
	ew32(TCTL, tctl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
	E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
 * e1000_config_mac_to_phy - sync phy and mac settings
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
 * @mii_reg: data to write to the MII control register
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
 * Sets MAC speed and duplex settings to reflect the those in the PHY
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
 * The contents of the PHY register containing the needed information need to
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
 * be passed in.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
static s32 e1000_config_mac_to_phy(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
	u32 ctrl;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
	u16 phy_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
	e_dbg("e1000_config_mac_to_phy");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
	/* 82544 or newer MAC, Auto Speed Detection takes care of
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
	 * MAC speed/duplex configuration.*/
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
	if (hw->mac_type >= e1000_82544)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
		return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
	/* Read the Device Control Register and set the bits to Force Speed
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
	 * and Duplex.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
	ctrl = er32(CTRL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
	ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
	ctrl &= ~(E1000_CTRL_SPD_SEL | E1000_CTRL_ILOS);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
	/* Set up duplex in the Device Control and Transmit Control
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
	 * registers depending on negotiated values.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
	if (phy_data & M88E1000_PSSR_DPLX)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
		ctrl |= E1000_CTRL_FD;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
	else
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
		ctrl &= ~E1000_CTRL_FD;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
	e1000_config_collision_dist(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
	/* Set up speed in the Device Control register depending on
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
	 * negotiated values.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
	if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
		ctrl |= E1000_CTRL_SPD_1000;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
	else if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_100MBS)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
		ctrl |= E1000_CTRL_SPD_100;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
	/* Write the configured values back to the Device Control Reg. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
	ew32(CTRL, ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
 * e1000_force_mac_fc - force flow control settings
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
 * Forces the MAC's flow control settings.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
 * Sets the TFCE and RFCE bits in the device control register to reflect
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
 * the adapter settings. TFCE and RFCE need to be explicitly set by
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
 * software when a Copper PHY is used because autonegotiation is managed
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
 * by the PHY rather than the MAC. Software must also configure these
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
 * bits when link is forced on a fiber connection.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
s32 e1000_force_mac_fc(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
	u32 ctrl;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
	e_dbg("e1000_force_mac_fc");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
	/* Get the current configuration of the Device Control Register */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
	ctrl = er32(CTRL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
	/* Because we didn't get link via the internal auto-negotiation
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
	 * mechanism (we either forced link or we got link via PHY
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
	 * auto-neg), we have to manually enable/disable transmit an
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
	 * receive flow control.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
	 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
	 * The "Case" statement below enables/disable flow control
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
	 * according to the "hw->fc" parameter.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
	 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
	 * The possible values of the "fc" parameter are:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
	 *      0:  Flow control is completely disabled
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
	 *      1:  Rx flow control is enabled (we can receive pause
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
	 *          frames but not send pause frames).
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
	 *      2:  Tx flow control is enabled (we can send pause frames
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
	 *          frames but we do not receive pause frames).
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
	 *      3:  Both Rx and TX flow control (symmetric) is enabled.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
	 *  other:  No other values should be possible at this point.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
	switch (hw->fc) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
	case E1000_FC_NONE:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
		ctrl &= (~(E1000_CTRL_TFCE | E1000_CTRL_RFCE));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
	case E1000_FC_RX_PAUSE:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
		ctrl &= (~E1000_CTRL_TFCE);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
		ctrl |= E1000_CTRL_RFCE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
	case E1000_FC_TX_PAUSE:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
		ctrl &= (~E1000_CTRL_RFCE);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
		ctrl |= E1000_CTRL_TFCE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
	case E1000_FC_FULL:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
		ctrl |= (E1000_CTRL_TFCE | E1000_CTRL_RFCE);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
		e_dbg("Flow control param set incorrectly\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
		return -E1000_ERR_CONFIG;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
	/* Disable TX Flow Control for 82542 (rev 2.0) */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
	if (hw->mac_type == e1000_82542_rev2_0)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
		ctrl &= (~E1000_CTRL_TFCE);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
	ew32(CTRL, ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
 * e1000_config_fc_after_link_up - configure flow control after autoneg
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
 * Configures flow control settings after link is established
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
 * Should be called immediately after a valid link has been established.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
 * Forces MAC flow control settings if link was forced. When in MII/GMII mode
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
 * and autonegotiation is enabled, the MAC flow control settings will be set
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
 * based on the flow control negotiated by the PHY. In TBI mode, the TFCE
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
 * and RFCE bits will be automatically set to the negotiated flow control mode.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
static s32 e1000_config_fc_after_link_up(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
	u16 mii_status_reg;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
	u16 mii_nway_adv_reg;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
	u16 mii_nway_lp_ability_reg;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
	u16 speed;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
	u16 duplex;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
	e_dbg("e1000_config_fc_after_link_up");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
	/* Check for the case where we have fiber media and auto-neg failed
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
	 * so we had to force link.  In this case, we need to force the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
	 * configuration of the MAC to match the "fc" parameter.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
	if (((hw->media_type == e1000_media_type_fiber) && (hw->autoneg_failed))
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
	    || ((hw->media_type == e1000_media_type_internal_serdes)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
		&& (hw->autoneg_failed))
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
	    || ((hw->media_type == e1000_media_type_copper)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
		&& (!hw->autoneg))) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
		ret_val = e1000_force_mac_fc(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
		if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
			e_dbg("Error forcing flow control settings\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
	/* Check for the case where we have copper media and auto-neg is
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
	 * enabled.  In this case, we need to check and see if Auto-Neg
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	 * has completed, and if so, how the PHY and link partner has
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	 * flow control configured.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	if ((hw->media_type == e1000_media_type_copper) && hw->autoneg) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
		/* Read the MII Status Register and check to see if AutoNeg
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
		 * has completed.  We read this twice because this reg has
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
		 * some "sticky" (latched) bits.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
		if (mii_status_reg & MII_SR_AUTONEG_COMPLETE) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
			/* The AutoNeg process has completed, so we now need to
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
			 * read both the Auto Negotiation Advertisement Register
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
			 * (Address 4) and the Auto_Negotiation Base Page Ability
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
			 * Register (Address 5) to determine how flow control was
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
			 * negotiated.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
			 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
			ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_ADV,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
						     &mii_nway_adv_reg);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
			ret_val = e1000_read_phy_reg(hw, PHY_LP_ABILITY,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
						     &mii_nway_lp_ability_reg);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
			/* Two bits in the Auto Negotiation Advertisement Register
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
			 * (Address 4) and two bits in the Auto Negotiation Base
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
			 * Page Ability Register (Address 5) determine flow control
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
			 * for both the PHY and the link partner.  The following
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
			 * table, taken out of the IEEE 802.3ab/D6.0 dated March 25,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
			 * 1999, describes these PAUSE resolution bits and how flow
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
			 * control is determined based upon these settings.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
			 * NOTE:  DC = Don't Care
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
			 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
			 *   LOCAL DEVICE  |   LINK PARTNER
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
			 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
			 *-------|---------|-------|---------|--------------------
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
			 *   0   |    0    |  DC   |   DC    | E1000_FC_NONE
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
			 *   0   |    1    |   0   |   DC    | E1000_FC_NONE
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
			 *   0   |    1    |   1   |    0    | E1000_FC_NONE
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
			 *   0   |    1    |   1   |    1    | E1000_FC_TX_PAUSE
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
			 *   1   |    0    |   0   |   DC    | E1000_FC_NONE
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
			 *   1   |   DC    |   1   |   DC    | E1000_FC_FULL
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
			 *   1   |    1    |   0   |    0    | E1000_FC_NONE
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
			 *   1   |    1    |   0   |    1    | E1000_FC_RX_PAUSE
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
			 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
			 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
			/* Are both PAUSE bits set to 1?  If so, this implies
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
			 * Symmetric Flow Control is enabled at both ends.  The
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
			 * ASM_DIR bits are irrelevant per the spec.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
			 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
			 * For Symmetric Flow Control:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
			 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
			 *   LOCAL DEVICE  |   LINK PARTNER
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
			 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
			 *-------|---------|-------|---------|--------------------
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
			 *   1   |   DC    |   1   |   DC    | E1000_FC_FULL
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
			 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
			 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
			if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
			    (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
				/* Now we need to check if the user selected RX ONLY
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
				 * of pause frames.  In this case, we had to advertise
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
				 * FULL flow control because we could not advertise RX
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
				 * ONLY. Hence, we must now check to see if we need to
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
				 * turn OFF  the TRANSMISSION of PAUSE frames.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
				 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
				if (hw->original_fc == E1000_FC_FULL) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
					hw->fc = E1000_FC_FULL;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
					e_dbg("Flow Control = FULL.\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
				} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
					hw->fc = E1000_FC_RX_PAUSE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
					e_dbg
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
					    ("Flow Control = RX PAUSE frames only.\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
				}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
			/* For receiving PAUSE frames ONLY.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
			 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
			 *   LOCAL DEVICE  |   LINK PARTNER
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
			 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
			 *-------|---------|-------|---------|--------------------
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
			 *   0   |    1    |   1   |    1    | E1000_FC_TX_PAUSE
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
			 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
			 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
			else if (!(mii_nway_adv_reg & NWAY_AR_PAUSE) &&
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
				 (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
				 (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
				 (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR))
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
			{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
				hw->fc = E1000_FC_TX_PAUSE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
				e_dbg
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
				    ("Flow Control = TX PAUSE frames only.\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
			/* For transmitting PAUSE frames ONLY.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
			 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
			 *   LOCAL DEVICE  |   LINK PARTNER
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
			 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
			 *-------|---------|-------|---------|--------------------
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
			 *   1   |    1    |   0   |    1    | E1000_FC_RX_PAUSE
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
			 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
			 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
			else if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
				 (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
				 !(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
				 (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR))
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
			{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
				hw->fc = E1000_FC_RX_PAUSE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
				e_dbg
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
				    ("Flow Control = RX PAUSE frames only.\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
			/* Per the IEEE spec, at this point flow control should be
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
			 * disabled.  However, we want to consider that we could
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
			 * be connected to a legacy switch that doesn't advertise
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
			 * desired flow control, but can be forced on the link
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
			 * partner.  So if we advertised no flow control, that is
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
			 * what we will resolve to.  If we advertised some kind of
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
			 * receive capability (Rx Pause Only or Full Flow Control)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
			 * and the link partner advertised none, we will configure
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
			 * ourselves to enable Rx Flow Control only.  We can do
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
			 * this safely for two reasons:  If the link partner really
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
			 * didn't want flow control enabled, and we enable Rx, no
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
			 * harm done since we won't be receiving any PAUSE frames
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
			 * anyway.  If the intent on the link partner was to have
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
			 * flow control enabled, then by us enabling RX only, we
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
			 * can at least receive pause frames and process them.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
			 * This is a good idea because in most cases, since we are
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
			 * predominantly a server NIC, more times than not we will
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
			 * be asked to delay transmission of packets than asking
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
			 * our link partner to pause transmission of frames.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
			 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
			else if ((hw->original_fc == E1000_FC_NONE ||
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
				  hw->original_fc == E1000_FC_TX_PAUSE) ||
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
				 hw->fc_strict_ieee) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
				hw->fc = E1000_FC_NONE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
				e_dbg("Flow Control = NONE.\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
			} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
				hw->fc = E1000_FC_RX_PAUSE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
				e_dbg
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
				    ("Flow Control = RX PAUSE frames only.\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
			/* Now we need to do one last check...  If we auto-
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
			 * negotiated to HALF DUPLEX, flow control should not be
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
			 * enabled per IEEE 802.3 spec.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
			 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
			    e1000_get_speed_and_duplex(hw, &speed, &duplex);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
			if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
				e_dbg
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
				    ("Error getting link speed and duplex\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
			if (duplex == HALF_DUPLEX)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
				hw->fc = E1000_FC_NONE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
			/* Now we call a subroutine to actually force the MAC
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
			 * controller to use the correct flow control settings.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
			 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
			ret_val = e1000_force_mac_fc(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
			if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
				e_dbg
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
				    ("Error forcing flow control settings\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
		} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
			e_dbg
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
			    ("Copper PHY and Auto Neg has not completed.\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
 * e1000_check_for_serdes_link_generic - Check for link (Serdes)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
 * @hw: pointer to the HW structure
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
 * Checks for link up on the hardware.  If link is not up and we have
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
 * a signal, then we need to force link up.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
static s32 e1000_check_for_serdes_link_generic(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
	u32 rxcw;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
	u32 ctrl;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
	u32 status;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
	s32 ret_val = E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
	e_dbg("e1000_check_for_serdes_link_generic");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
	ctrl = er32(CTRL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
	status = er32(STATUS);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
	rxcw = er32(RXCW);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
	/*
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
	 * If we don't have link (auto-negotiation failed or link partner
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
	 * cannot auto-negotiate), and our link partner is not trying to
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
	 * auto-negotiate with us (we are receiving idles or data),
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
	 * we need to force link up. We also need to give auto-negotiation
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
	 * time to complete.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
	/* (ctrl & E1000_CTRL_SWDPIN1) == 1 == have signal */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
	if ((!(status & E1000_STATUS_LU)) && (!(rxcw & E1000_RXCW_C))) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
		if (hw->autoneg_failed == 0) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
			hw->autoneg_failed = 1;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
			goto out;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
		e_dbg("NOT RXing /C/, disable AutoNeg and force link.\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
		/* Disable auto-negotiation in the TXCW register */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
		ew32(TXCW, (hw->txcw & ~E1000_TXCW_ANE));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
		/* Force link-up and also force full-duplex. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
		ctrl = er32(CTRL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
		ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FD);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
		ew32(CTRL, ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
		/* Configure Flow Control after forcing link up. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
		ret_val = e1000_config_fc_after_link_up(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
		if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
			e_dbg("Error configuring flow control\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
			goto out;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
	} else if ((ctrl & E1000_CTRL_SLU) && (rxcw & E1000_RXCW_C)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
		/*
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
		 * If we are forcing link and we are receiving /C/ ordered
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
		 * sets, re-enable auto-negotiation in the TXCW register
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
		 * and disable forced link in the Device Control register
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
		 * in an attempt to auto-negotiate with our link partner.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
		e_dbg("RXing /C/, enable AutoNeg and stop forcing link.\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
		ew32(TXCW, hw->txcw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
		ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
		hw->serdes_has_link = true;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
	} else if (!(E1000_TXCW_ANE & er32(TXCW))) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
		/*
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
		 * If we force link for non-auto-negotiation switch, check
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
		 * link status based on MAC synchronization for internal
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
		 * serdes media type.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
		/* SYNCH bit and IV bit are sticky. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
		udelay(10);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
		rxcw = er32(RXCW);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
		if (rxcw & E1000_RXCW_SYNCH) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
			if (!(rxcw & E1000_RXCW_IV)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
				hw->serdes_has_link = true;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
				e_dbg("SERDES: Link up - forced.\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
		} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
			hw->serdes_has_link = false;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
			e_dbg("SERDES: Link down - force failed.\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
	if (E1000_TXCW_ANE & er32(TXCW)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
		status = er32(STATUS);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
		if (status & E1000_STATUS_LU) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
			/* SYNCH bit and IV bit are sticky, so reread rxcw. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
			udelay(10);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
			rxcw = er32(RXCW);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
			if (rxcw & E1000_RXCW_SYNCH) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
				if (!(rxcw & E1000_RXCW_IV)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
					hw->serdes_has_link = true;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
					e_dbg("SERDES: Link up - autoneg "
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
						 "completed successfully.\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
				} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
					hw->serdes_has_link = false;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
					e_dbg("SERDES: Link down - invalid"
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
						 "codewords detected in autoneg.\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
				}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
			} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
				hw->serdes_has_link = false;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
				e_dbg("SERDES: Link down - no sync.\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
		} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
			hw->serdes_has_link = false;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
			e_dbg("SERDES: Link down - autoneg failed\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
      out:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
 * e1000_check_for_link
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
 * Checks to see if the link status of the hardware has changed.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
 * Called by any function that needs to check the link status of the adapter.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
s32 e1000_check_for_link(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
	u32 rxcw __attribute__ ((unused)) = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
	u32 ctrl __attribute__ ((unused));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
	u32 status;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
	u32 rctl;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
	u32 icr;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
	u32 signal __attribute__ ((unused)) = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
	u16 phy_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
	e_dbg("e1000_check_for_link");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
	ctrl = er32(CTRL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
	status = er32(STATUS);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
	/* On adapters with a MAC newer than 82544, SW Definable pin 1 will be
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
	 * set when the optics detect a signal. On older adapters, it will be
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
	 * cleared when there is a signal.  This applies to fiber media only.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
	if ((hw->media_type == e1000_media_type_fiber) ||
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
	    (hw->media_type == e1000_media_type_internal_serdes)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
		rxcw = er32(RXCW);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
		if (hw->media_type == e1000_media_type_fiber) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
			signal =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
			    (hw->mac_type >
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
			     e1000_82544) ? E1000_CTRL_SWDPIN1 : 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
			if (status & E1000_STATUS_LU)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
				hw->get_link_status = false;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
	/* If we have a copper PHY then we only want to go out to the PHY
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
	 * registers to see if Auto-Neg has completed and/or if our link
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
	 * status has changed.  The get_link_status flag will be set if we
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
	 * receive a Link Status Change interrupt or we have Rx Sequence
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
	 * Errors.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
	if ((hw->media_type == e1000_media_type_copper) && hw->get_link_status) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
		/* First we want to see if the MII Status Register reports
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
		 * link.  If so, then we want to get the current speed/duplex
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
		 * of the PHY.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
		 * Read the register twice since the link bit is sticky.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
		if (phy_data & MII_SR_LINK_STATUS) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
			hw->get_link_status = false;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
			/* Check if there was DownShift, must be checked immediately after
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
			 * link-up */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
			e1000_check_downshift(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
			/* If we are on 82544 or 82543 silicon and speed/duplex
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
			 * are forced to 10H or 10F, then we will implement the polarity
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
			 * reversal workaround.  We disable interrupts first, and upon
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
			 * returning, place the devices interrupt state to its previous
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
			 * value except for the link status change interrupt which will
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
			 * happen due to the execution of this workaround.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
			 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
			if ((hw->mac_type == e1000_82544
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
			     || hw->mac_type == e1000_82543) && (!hw->autoneg)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
			    && (hw->forced_speed_duplex == e1000_10_full
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
				|| hw->forced_speed_duplex == e1000_10_half)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
				ew32(IMC, 0xffffffff);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
				ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
				    e1000_polarity_reversal_workaround(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
				icr = er32(ICR);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
				ew32(ICS, (icr & ~E1000_ICS_LSC));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
				ew32(IMS, IMS_ENABLE_MASK);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
		} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
			/* No link detected */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
			e1000_config_dsp_after_link_change(hw, false);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
			return 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
		/* If we are forcing speed/duplex, then we simply return since
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
		 * we have already determined whether we have link or not.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
		if (!hw->autoneg)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
			return -E1000_ERR_CONFIG;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
		/* optimize the dsp settings for the igp phy */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
		e1000_config_dsp_after_link_change(hw, true);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
		/* We have a M88E1000 PHY and Auto-Neg is enabled.  If we
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
		 * have Si on board that is 82544 or newer, Auto
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
		 * Speed Detection takes care of MAC speed/duplex
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
		 * configuration.  So we only need to configure Collision
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
		 * Distance in the MAC.  Otherwise, we need to force
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
		 * speed/duplex on the MAC to the current PHY speed/duplex
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
		 * settings.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
		if (hw->mac_type >= e1000_82544)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
			e1000_config_collision_dist(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
		else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
			ret_val = e1000_config_mac_to_phy(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
			if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
				e_dbg
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
				    ("Error configuring MAC to PHY settings\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
		/* Configure Flow Control now that Auto-Neg has completed. First, we
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
		 * need to restore the desired flow control settings because we may
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
		 * have had to re-autoneg with a different link partner.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
		ret_val = e1000_config_fc_after_link_up(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
		if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
			e_dbg("Error configuring flow control\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
		/* At this point we know that we are on copper and we have
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
		 * auto-negotiated link.  These are conditions for checking the link
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
		 * partner capability register.  We use the link speed to determine if
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
		 * TBI compatibility needs to be turned on or off.  If the link is not
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
		 * at gigabit speed, then TBI compatibility is not needed.  If we are
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
		 * at gigabit speed, we turn on TBI compatibility.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
		if (hw->tbi_compatibility_en) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
			u16 speed, duplex;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
			    e1000_get_speed_and_duplex(hw, &speed, &duplex);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
			if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
				e_dbg
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
				    ("Error getting link speed and duplex\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
			if (speed != SPEED_1000) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
				/* If link speed is not set to gigabit speed, we do not need
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
				 * to enable TBI compatibility.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
				 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
				if (hw->tbi_compatibility_on) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
					/* If we previously were in the mode, turn it off. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
					rctl = er32(RCTL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
					rctl &= ~E1000_RCTL_SBP;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
					ew32(RCTL, rctl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
					hw->tbi_compatibility_on = false;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
				}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
			} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
				/* If TBI compatibility is was previously off, turn it on. For
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
				 * compatibility with a TBI link partner, we will store bad
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
				 * packets. Some frames have an additional byte on the end and
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
				 * will look like CRC errors to to the hardware.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
				 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
				if (!hw->tbi_compatibility_on) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
					hw->tbi_compatibility_on = true;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
					rctl = er32(RCTL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
					rctl |= E1000_RCTL_SBP;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
					ew32(RCTL, rctl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
				}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
	if ((hw->media_type == e1000_media_type_fiber) ||
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
	    (hw->media_type == e1000_media_type_internal_serdes))
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
		e1000_check_for_serdes_link_generic(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
 * e1000_get_speed_and_duplex
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
 * @speed: Speed of the connection
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
 * @duplex: Duplex setting of the connection
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
 * Detects the current speed and duplex settings of the hardware.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
s32 e1000_get_speed_and_duplex(struct e1000_hw *hw, u16 *speed, u16 *duplex)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
	u32 status;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
	u16 phy_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
	e_dbg("e1000_get_speed_and_duplex");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
	if (hw->mac_type >= e1000_82543) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
		status = er32(STATUS);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
		if (status & E1000_STATUS_SPEED_1000) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
			*speed = SPEED_1000;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
			e_dbg("1000 Mbs, ");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
		} else if (status & E1000_STATUS_SPEED_100) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
			*speed = SPEED_100;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
			e_dbg("100 Mbs, ");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
		} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
			*speed = SPEED_10;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
			e_dbg("10 Mbs, ");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
		if (status & E1000_STATUS_FD) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
			*duplex = FULL_DUPLEX;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
			e_dbg("Full Duplex\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
		} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
			*duplex = HALF_DUPLEX;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
			e_dbg(" Half Duplex\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
	} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
		e_dbg("1000 Mbs, Full Duplex\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
		*speed = SPEED_1000;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
		*duplex = FULL_DUPLEX;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
	/* IGP01 PHY may advertise full duplex operation after speed downgrade even
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
	 * if it is operating at half duplex.  Here we set the duplex settings to
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
	 * match the duplex in the link partner's capabilities.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
	if (hw->phy_type == e1000_phy_igp && hw->speed_downgraded) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
		ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_EXP, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
		if (!(phy_data & NWAY_ER_LP_NWAY_CAPS))
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
			*duplex = HALF_DUPLEX;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
		else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
			    e1000_read_phy_reg(hw, PHY_LP_ABILITY, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
			if ((*speed == SPEED_100
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
			     && !(phy_data & NWAY_LPAR_100TX_FD_CAPS))
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
			    || (*speed == SPEED_10
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
				&& !(phy_data & NWAY_LPAR_10T_FD_CAPS)))
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
				*duplex = HALF_DUPLEX;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
 * e1000_wait_autoneg
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
 * Blocks until autoneg completes or times out (~4.5 seconds)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
static s32 e1000_wait_autoneg(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
	u16 i;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
	u16 phy_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
	e_dbg("e1000_wait_autoneg");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
	e_dbg("Waiting for Auto-Neg to complete.\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
	/* We will wait for autoneg to complete or 4.5 seconds to expire. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
	for (i = PHY_AUTO_NEG_TIME; i > 0; i--) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
		/* Read the MII Status Register and wait for Auto-Neg
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
		 * Complete bit to be set.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
		if (phy_data & MII_SR_AUTONEG_COMPLETE) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
			return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
		msleep(100);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
 * e1000_raise_mdi_clk - Raises the Management Data Clock
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
 * @ctrl: Device control register's current value
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
static void e1000_raise_mdi_clk(struct e1000_hw *hw, u32 *ctrl)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
	/* Raise the clock input to the Management Data Clock (by setting the MDC
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
	 * bit), and then delay 10 microseconds.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
	ew32(CTRL, (*ctrl | E1000_CTRL_MDC));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
	E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
	udelay(10);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
 * e1000_lower_mdi_clk - Lowers the Management Data Clock
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
 * @ctrl: Device control register's current value
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
static void e1000_lower_mdi_clk(struct e1000_hw *hw, u32 *ctrl)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
	/* Lower the clock input to the Management Data Clock (by clearing the MDC
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
	 * bit), and then delay 10 microseconds.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
	ew32(CTRL, (*ctrl & ~E1000_CTRL_MDC));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
	E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
	udelay(10);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
 * e1000_shift_out_mdi_bits - Shifts data bits out to the PHY
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
 * @data: Data to send out to the PHY
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
 * @count: Number of bits to shift out
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
 * Bits are shifted out in MSB to LSB order.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
static void e1000_shift_out_mdi_bits(struct e1000_hw *hw, u32 data, u16 count)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
	u32 ctrl;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
	u32 mask;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
	/* We need to shift "count" number of bits out to the PHY. So, the value
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
	 * in the "data" parameter will be shifted out to the PHY one bit at a
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
	 * time. In order to do this, "data" must be broken down into bits.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
	mask = 0x01;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
	mask <<= (count - 1);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
	ctrl = er32(CTRL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
	/* Set MDIO_DIR and MDC_DIR direction bits to be used as output pins. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
	ctrl |= (E1000_CTRL_MDIO_DIR | E1000_CTRL_MDC_DIR);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
	while (mask) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
		/* A "1" is shifted out to the PHY by setting the MDIO bit to "1" and
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
		 * then raising and lowering the Management Data Clock. A "0" is
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
		 * shifted out to the PHY by setting the MDIO bit to "0" and then
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
		 * raising and lowering the clock.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
		if (data & mask)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
			ctrl |= E1000_CTRL_MDIO;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
		else
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
			ctrl &= ~E1000_CTRL_MDIO;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
		ew32(CTRL, ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
		udelay(10);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
		e1000_raise_mdi_clk(hw, &ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
		e1000_lower_mdi_clk(hw, &ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
		mask = mask >> 1;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
 * e1000_shift_in_mdi_bits - Shifts data bits in from the PHY
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
 * Bits are shifted in in MSB to LSB order.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
static u16 e1000_shift_in_mdi_bits(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
	u32 ctrl;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
	u16 data = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
	u8 i;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
	/* In order to read a register from the PHY, we need to shift in a total
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
	 * of 18 bits from the PHY. The first two bit (turnaround) times are used
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
	 * to avoid contention on the MDIO pin when a read operation is performed.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
	 * These two bits are ignored by us and thrown away. Bits are "shifted in"
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
	 * by raising the input to the Management Data Clock (setting the MDC bit),
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
	 * and then reading the value of the MDIO bit.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
	ctrl = er32(CTRL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
	/* Clear MDIO_DIR (SWDPIO1) to indicate this bit is to be used as input. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
	ctrl &= ~E1000_CTRL_MDIO_DIR;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
	ctrl &= ~E1000_CTRL_MDIO;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
	ew32(CTRL, ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
	E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
	/* Raise and Lower the clock before reading in the data. This accounts for
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
	 * the turnaround bits. The first clock occurred when we clocked out the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
	 * last bit of the Register Address.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
	e1000_raise_mdi_clk(hw, &ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
	e1000_lower_mdi_clk(hw, &ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
	for (data = 0, i = 0; i < 16; i++) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
		data = data << 1;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
		e1000_raise_mdi_clk(hw, &ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
		ctrl = er32(CTRL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
		/* Check to see if we shifted in a "1". */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
		if (ctrl & E1000_CTRL_MDIO)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
			data |= 1;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
		e1000_lower_mdi_clk(hw, &ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
	e1000_raise_mdi_clk(hw, &ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
	e1000_lower_mdi_clk(hw, &ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
	return data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
 * e1000_read_phy_reg - read a phy register
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
 * @reg_addr: address of the PHY register to read
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
 * Reads the value from a PHY register, if the value is on a specific non zero
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
 * page, sets the page first.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
s32 e1000_read_phy_reg(struct e1000_hw *hw, u32 reg_addr, u16 *phy_data)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
	u32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
	e_dbg("e1000_read_phy_reg");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
	if ((hw->phy_type == e1000_phy_igp) &&
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
	    (reg_addr > MAX_PHY_MULTI_PAGE_REG)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
		ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
						 (u16) reg_addr);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
	ret_val = e1000_read_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
					phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
	return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
static s32 e1000_read_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
				 u16 *phy_data)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
	u32 i;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
	u32 mdic = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
	const u32 phy_addr = 1;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
	e_dbg("e1000_read_phy_reg_ex");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
	if (reg_addr > MAX_PHY_REG_ADDRESS) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
		e_dbg("PHY Address %d is out of range\n", reg_addr);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
		return -E1000_ERR_PARAM;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
	if (hw->mac_type > e1000_82543) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
		/* Set up Op-code, Phy Address, and register address in the MDI
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
		 * Control register.  The MAC will take care of interfacing with the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
		 * PHY to retrieve the desired data.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
		mdic = ((reg_addr << E1000_MDIC_REG_SHIFT) |
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
			(phy_addr << E1000_MDIC_PHY_SHIFT) |
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
			(E1000_MDIC_OP_READ));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
		ew32(MDIC, mdic);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
		/* Poll the ready bit to see if the MDI read completed */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
		for (i = 0; i < 64; i++) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
			udelay(50);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
			mdic = er32(MDIC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
			if (mdic & E1000_MDIC_READY)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
				break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
		if (!(mdic & E1000_MDIC_READY)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
			e_dbg("MDI Read did not complete\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
			return -E1000_ERR_PHY;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
		if (mdic & E1000_MDIC_ERROR) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
			e_dbg("MDI Error\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
			return -E1000_ERR_PHY;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
		*phy_data = (u16) mdic;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
	} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
		/* We must first send a preamble through the MDIO pin to signal the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
		 * beginning of an MII instruction.  This is done by sending 32
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
		 * consecutive "1" bits.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
		e1000_shift_out_mdi_bits(hw, PHY_PREAMBLE, PHY_PREAMBLE_SIZE);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
		/* Now combine the next few fields that are required for a read
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
		 * operation.  We use this method instead of calling the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
		 * e1000_shift_out_mdi_bits routine five different times. The format of
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
		 * a MII read instruction consists of a shift out of 14 bits and is
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
		 * defined as follows:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
		 *    <Preamble><SOF><Op Code><Phy Addr><Reg Addr>
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
		 * followed by a shift in of 18 bits.  This first two bits shifted in
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
		 * are TurnAround bits used to avoid contention on the MDIO pin when a
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
		 * READ operation is performed.  These two bits are thrown away
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
		 * followed by a shift in of 16 bits which contains the desired data.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
		mdic = ((reg_addr) | (phy_addr << 5) |
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
			(PHY_OP_READ << 10) | (PHY_SOF << 12));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
		e1000_shift_out_mdi_bits(hw, mdic, 14);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
		/* Now that we've shifted out the read command to the MII, we need to
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
		 * "shift in" the 16-bit value (18 total bits) of the requested PHY
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
		 * register address.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
		*phy_data = e1000_shift_in_mdi_bits(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
 * e1000_write_phy_reg - write a phy register
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
 * @reg_addr: address of the PHY register to write
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
 * @data: data to write to the PHY
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
 * Writes a value to a PHY register
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 reg_addr, u16 phy_data)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
	u32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
	e_dbg("e1000_write_phy_reg");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
	if ((hw->phy_type == e1000_phy_igp) &&
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
	    (reg_addr > MAX_PHY_MULTI_PAGE_REG)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
		ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
						 (u16) reg_addr);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
	ret_val = e1000_write_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
					 phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
	return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
static s32 e1000_write_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
				  u16 phy_data)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
	u32 i;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
	u32 mdic = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
	const u32 phy_addr = 1;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
	e_dbg("e1000_write_phy_reg_ex");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
	if (reg_addr > MAX_PHY_REG_ADDRESS) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
		e_dbg("PHY Address %d is out of range\n", reg_addr);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
		return -E1000_ERR_PARAM;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
	if (hw->mac_type > e1000_82543) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
		/* Set up Op-code, Phy Address, register address, and data intended
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
		 * for the PHY register in the MDI Control register.  The MAC will take
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
		 * care of interfacing with the PHY to send the desired data.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
		mdic = (((u32) phy_data) |
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
			(reg_addr << E1000_MDIC_REG_SHIFT) |
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
			(phy_addr << E1000_MDIC_PHY_SHIFT) |
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
			(E1000_MDIC_OP_WRITE));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
		ew32(MDIC, mdic);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
		/* Poll the ready bit to see if the MDI read completed */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
		for (i = 0; i < 641; i++) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
			udelay(5);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
			mdic = er32(MDIC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
			if (mdic & E1000_MDIC_READY)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
				break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
		if (!(mdic & E1000_MDIC_READY)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
			e_dbg("MDI Write did not complete\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
			return -E1000_ERR_PHY;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
	} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
		/* We'll need to use the SW defined pins to shift the write command
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
		 * out to the PHY. We first send a preamble to the PHY to signal the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
		 * beginning of the MII instruction.  This is done by sending 32
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
		 * consecutive "1" bits.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
		e1000_shift_out_mdi_bits(hw, PHY_PREAMBLE, PHY_PREAMBLE_SIZE);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
		/* Now combine the remaining required fields that will indicate a
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
		 * write operation. We use this method instead of calling the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
		 * e1000_shift_out_mdi_bits routine for each field in the command. The
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
		 * format of a MII write instruction is as follows:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
		 * <Preamble><SOF><Op Code><Phy Addr><Reg Addr><Turnaround><Data>.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
		mdic = ((PHY_TURNAROUND) | (reg_addr << 2) | (phy_addr << 7) |
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
			(PHY_OP_WRITE << 12) | (PHY_SOF << 14));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
		mdic <<= 16;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
		mdic |= (u32) phy_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
		e1000_shift_out_mdi_bits(hw, mdic, 32);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
 * e1000_phy_hw_reset - reset the phy, hardware style
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
 * Returns the PHY to the power-on reset state
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
s32 e1000_phy_hw_reset(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
	u32 ctrl, ctrl_ext;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
	u32 led_ctrl;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
	e_dbg("e1000_phy_hw_reset");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
	e_dbg("Resetting Phy...\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
	if (hw->mac_type > e1000_82543) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
		/* Read the device control register and assert the E1000_CTRL_PHY_RST
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
		 * bit. Then, take it out of reset.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
		 * For e1000 hardware, we delay for 10ms between the assert
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
		 * and deassert.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
		ctrl = er32(CTRL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
		ew32(CTRL, ctrl | E1000_CTRL_PHY_RST);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
		msleep(10);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
		ew32(CTRL, ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
	} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
		/* Read the Extended Device Control Register, assert the PHY_RESET_DIR
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
		 * bit to put the PHY into reset. Then, take it out of reset.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
		ctrl_ext = er32(CTRL_EXT);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
		ctrl_ext |= E1000_CTRL_EXT_SDP4_DIR;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
		ctrl_ext &= ~E1000_CTRL_EXT_SDP4_DATA;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
		ew32(CTRL_EXT, ctrl_ext);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
		msleep(10);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
		ctrl_ext |= E1000_CTRL_EXT_SDP4_DATA;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
		ew32(CTRL_EXT, ctrl_ext);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
	udelay(150);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
	if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
		/* Configure activity LED after PHY reset */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
		led_ctrl = er32(LEDCTL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
		led_ctrl &= IGP_ACTIVITY_LED_MASK;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
		led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
		ew32(LEDCTL, led_ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
	/* Wait for FW to finish PHY configuration. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
	ret_val = e1000_get_phy_cfg_done(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
	if (ret_val != E1000_SUCCESS)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
	return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
 * e1000_phy_reset - reset the phy to commit settings
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
 * Resets the PHY
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
 * Sets bit 15 of the MII Control register
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
s32 e1000_phy_reset(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
	u16 phy_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
	e_dbg("e1000_phy_reset");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
	switch (hw->phy_type) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
	case e1000_phy_igp:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
		ret_val = e1000_phy_hw_reset(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
		ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
		phy_data |= MII_CR_RESET;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
		ret_val = e1000_write_phy_reg(hw, PHY_CTRL, phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
		udelay(1);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
	if (hw->phy_type == e1000_phy_igp)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
		e1000_phy_init_script(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
 * e1000_detect_gig_phy - check the phy type
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
 * Probes the expected PHY address for known PHY IDs
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
static s32 e1000_detect_gig_phy(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
	s32 phy_init_status, ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
	u16 phy_id_high, phy_id_low;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
	bool match = false;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
	e_dbg("e1000_detect_gig_phy");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
	if (hw->phy_id != 0)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
		return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
	/* Read the PHY ID Registers to identify which PHY is onboard. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
	ret_val = e1000_read_phy_reg(hw, PHY_ID1, &phy_id_high);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
	hw->phy_id = (u32) (phy_id_high << 16);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
	udelay(20);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
	ret_val = e1000_read_phy_reg(hw, PHY_ID2, &phy_id_low);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
	hw->phy_id |= (u32) (phy_id_low & PHY_REVISION_MASK);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
	hw->phy_revision = (u32) phy_id_low & ~PHY_REVISION_MASK;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
	switch (hw->mac_type) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
	case e1000_82543:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
		if (hw->phy_id == M88E1000_E_PHY_ID)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
			match = true;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
	case e1000_82544:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
		if (hw->phy_id == M88E1000_I_PHY_ID)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
			match = true;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
	case e1000_82540:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
	case e1000_82545:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
	case e1000_82545_rev_3:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
	case e1000_82546:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
	case e1000_82546_rev_3:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
		if (hw->phy_id == M88E1011_I_PHY_ID)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
			match = true;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
	case e1000_82541:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
	case e1000_82541_rev_2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
	case e1000_82547:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
	case e1000_82547_rev_2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
		if (hw->phy_id == IGP01E1000_I_PHY_ID)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
			match = true;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
		e_dbg("Invalid MAC type %d\n", hw->mac_type);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
		return -E1000_ERR_CONFIG;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
	phy_init_status = e1000_set_phy_type(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
	if ((match) && (phy_init_status == E1000_SUCCESS)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
		e_dbg("PHY ID 0x%X detected\n", hw->phy_id);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
		return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
	e_dbg("Invalid PHY ID 0x%X\n", hw->phy_id);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
	return -E1000_ERR_PHY;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
 * e1000_phy_reset_dsp - reset DSP
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
 * Resets the PHY's DSP
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
static s32 e1000_phy_reset_dsp(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
	e_dbg("e1000_phy_reset_dsp");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
	do {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
		ret_val = e1000_write_phy_reg(hw, 29, 0x001d);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
		ret_val = e1000_write_phy_reg(hw, 30, 0x00c1);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
		ret_val = e1000_write_phy_reg(hw, 30, 0x0000);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
		ret_val = E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
	} while (0);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
	return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
 * e1000_phy_igp_get_info - get igp specific registers
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
 * @phy_info: PHY information structure
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
 * Get PHY information from various PHY registers for igp PHY only.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
static s32 e1000_phy_igp_get_info(struct e1000_hw *hw,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
				  struct e1000_phy_info *phy_info)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
	u16 phy_data, min_length, max_length, average;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
	e1000_rev_polarity polarity;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
	e_dbg("e1000_phy_igp_get_info");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
	/* The downshift status is checked only once, after link is established,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
	 * and it stored in the hw->speed_downgraded parameter. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
	phy_info->downshift = (e1000_downshift) hw->speed_downgraded;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
	/* IGP01E1000 does not need to support it. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
	phy_info->extended_10bt_distance = e1000_10bt_ext_dist_enable_normal;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
	/* IGP01E1000 always correct polarity reversal */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
	phy_info->polarity_correction = e1000_polarity_reversal_enabled;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
	/* Check polarity status */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
	ret_val = e1000_check_polarity(hw, &polarity);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
	phy_info->cable_polarity = polarity;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
	ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
	phy_info->mdix_mode =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
	    (e1000_auto_x_mode) ((phy_data & IGP01E1000_PSSR_MDIX) >>
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
				 IGP01E1000_PSSR_MDIX_SHIFT);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
	if ((phy_data & IGP01E1000_PSSR_SPEED_MASK) ==
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
	    IGP01E1000_PSSR_SPEED_1000MBPS) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
		/* Local/Remote Receiver Information are only valid at 1000 Mbps */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
		ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
		phy_info->local_rx = ((phy_data & SR_1000T_LOCAL_RX_STATUS) >>
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
				      SR_1000T_LOCAL_RX_STATUS_SHIFT) ?
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
		    e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
		phy_info->remote_rx = ((phy_data & SR_1000T_REMOTE_RX_STATUS) >>
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
				       SR_1000T_REMOTE_RX_STATUS_SHIFT) ?
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
		    e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
		/* Get cable length */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
		ret_val = e1000_get_cable_length(hw, &min_length, &max_length);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
		/* Translate to old method */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
		average = (max_length + min_length) / 2;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
		if (average <= e1000_igp_cable_length_50)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
			phy_info->cable_length = e1000_cable_length_50;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
		else if (average <= e1000_igp_cable_length_80)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
			phy_info->cable_length = e1000_cable_length_50_80;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
		else if (average <= e1000_igp_cable_length_110)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
			phy_info->cable_length = e1000_cable_length_80_110;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
		else if (average <= e1000_igp_cable_length_140)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
			phy_info->cable_length = e1000_cable_length_110_140;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
		else
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
			phy_info->cable_length = e1000_cable_length_140;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
 * e1000_phy_m88_get_info - get m88 specific registers
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
 * @phy_info: PHY information structure
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
 * Get PHY information from various PHY registers for m88 PHY only.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
static s32 e1000_phy_m88_get_info(struct e1000_hw *hw,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
				  struct e1000_phy_info *phy_info)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
	u16 phy_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
	e1000_rev_polarity polarity;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
	e_dbg("e1000_phy_m88_get_info");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
	/* The downshift status is checked only once, after link is established,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	 * and it stored in the hw->speed_downgraded parameter. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
	phy_info->downshift = (e1000_downshift) hw->speed_downgraded;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	phy_info->extended_10bt_distance =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
	    ((phy_data & M88E1000_PSCR_10BT_EXT_DIST_ENABLE) >>
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
	     M88E1000_PSCR_10BT_EXT_DIST_ENABLE_SHIFT) ?
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
	    e1000_10bt_ext_dist_enable_lower :
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
	    e1000_10bt_ext_dist_enable_normal;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
	phy_info->polarity_correction =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
	    ((phy_data & M88E1000_PSCR_POLARITY_REVERSAL) >>
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
	     M88E1000_PSCR_POLARITY_REVERSAL_SHIFT) ?
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
	    e1000_polarity_reversal_disabled : e1000_polarity_reversal_enabled;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
	/* Check polarity status */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
	ret_val = e1000_check_polarity(hw, &polarity);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
	phy_info->cable_polarity = polarity;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
	phy_info->mdix_mode =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
	    (e1000_auto_x_mode) ((phy_data & M88E1000_PSSR_MDIX) >>
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
				 M88E1000_PSSR_MDIX_SHIFT);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
	if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
		/* Cable Length Estimation and Local/Remote Receiver Information
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
		 * are only valid at 1000 Mbps.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
		phy_info->cable_length =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
		    (e1000_cable_length) ((phy_data &
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
					   M88E1000_PSSR_CABLE_LENGTH) >>
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
					  M88E1000_PSSR_CABLE_LENGTH_SHIFT);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
		ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
		phy_info->local_rx = ((phy_data & SR_1000T_LOCAL_RX_STATUS) >>
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
				      SR_1000T_LOCAL_RX_STATUS_SHIFT) ?
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
		    e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
		phy_info->remote_rx = ((phy_data & SR_1000T_REMOTE_RX_STATUS) >>
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
				       SR_1000T_REMOTE_RX_STATUS_SHIFT) ?
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
		    e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
 * e1000_phy_get_info - request phy info
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
 * @phy_info: PHY information structure
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
 * Get PHY information from various PHY registers
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
s32 e1000_phy_get_info(struct e1000_hw *hw, struct e1000_phy_info *phy_info)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
	u16 phy_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
	e_dbg("e1000_phy_get_info");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
	phy_info->cable_length = e1000_cable_length_undefined;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
	phy_info->extended_10bt_distance = e1000_10bt_ext_dist_enable_undefined;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
	phy_info->cable_polarity = e1000_rev_polarity_undefined;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	phy_info->downshift = e1000_downshift_undefined;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
	phy_info->polarity_correction = e1000_polarity_reversal_undefined;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
	phy_info->mdix_mode = e1000_auto_x_mode_undefined;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
	phy_info->local_rx = e1000_1000t_rx_status_undefined;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
	phy_info->remote_rx = e1000_1000t_rx_status_undefined;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
	if (hw->media_type != e1000_media_type_copper) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
		e_dbg("PHY info is only valid for copper media\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
		return -E1000_ERR_CONFIG;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
	if ((phy_data & MII_SR_LINK_STATUS) != MII_SR_LINK_STATUS) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
		e_dbg("PHY info is only valid if link is up\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
		return -E1000_ERR_CONFIG;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
	if (hw->phy_type == e1000_phy_igp)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
		return e1000_phy_igp_get_info(hw, phy_info);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
	else
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
		return e1000_phy_m88_get_info(hw, phy_info);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
s32 e1000_validate_mdi_setting(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
	e_dbg("e1000_validate_mdi_settings");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
	if (!hw->autoneg && (hw->mdix == 0 || hw->mdix == 3)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
		e_dbg("Invalid MDI setting detected\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
		hw->mdix = 1;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
		return -E1000_ERR_CONFIG;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
 * e1000_init_eeprom_params - initialize sw eeprom vars
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
 * Sets up eeprom variables in the hw struct.  Must be called after mac_type
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
 * is configured.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
s32 e1000_init_eeprom_params(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
	u32 eecd = er32(EECD);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
	s32 ret_val = E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
	u16 eeprom_size;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
	e_dbg("e1000_init_eeprom_params");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
	switch (hw->mac_type) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
	case e1000_82542_rev2_0:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
	case e1000_82542_rev2_1:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
	case e1000_82543:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
	case e1000_82544:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
		eeprom->type = e1000_eeprom_microwire;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
		eeprom->word_size = 64;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
		eeprom->opcode_bits = 3;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
		eeprom->address_bits = 6;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
		eeprom->delay_usec = 50;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
	case e1000_82540:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
	case e1000_82545:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
	case e1000_82545_rev_3:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
	case e1000_82546:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
	case e1000_82546_rev_3:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
		eeprom->type = e1000_eeprom_microwire;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
		eeprom->opcode_bits = 3;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
		eeprom->delay_usec = 50;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
		if (eecd & E1000_EECD_SIZE) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
			eeprom->word_size = 256;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
			eeprom->address_bits = 8;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
		} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
			eeprom->word_size = 64;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
			eeprom->address_bits = 6;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
	case e1000_82541:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
	case e1000_82541_rev_2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
	case e1000_82547:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	case e1000_82547_rev_2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
		if (eecd & E1000_EECD_TYPE) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
			eeprom->type = e1000_eeprom_spi;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
			eeprom->opcode_bits = 8;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
			eeprom->delay_usec = 1;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
			if (eecd & E1000_EECD_ADDR_BITS) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
				eeprom->page_size = 32;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
				eeprom->address_bits = 16;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
			} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
				eeprom->page_size = 8;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
				eeprom->address_bits = 8;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
		} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
			eeprom->type = e1000_eeprom_microwire;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
			eeprom->opcode_bits = 3;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
			eeprom->delay_usec = 50;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
			if (eecd & E1000_EECD_ADDR_BITS) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
				eeprom->word_size = 256;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
				eeprom->address_bits = 8;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
			} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
				eeprom->word_size = 64;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
				eeprom->address_bits = 6;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
	if (eeprom->type == e1000_eeprom_spi) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
		/* eeprom_size will be an enum [0..8] that maps to eeprom sizes 128B to
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
		 * 32KB (incremented by powers of 2).
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
		/* Set to default value for initial eeprom read. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
		eeprom->word_size = 64;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
		ret_val = e1000_read_eeprom(hw, EEPROM_CFG, 1, &eeprom_size);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
		eeprom_size =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
		    (eeprom_size & EEPROM_SIZE_MASK) >> EEPROM_SIZE_SHIFT;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
		/* 256B eeprom size was not supported in earlier hardware, so we
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
		 * bump eeprom_size up one to ensure that "1" (which maps to 256B)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
		 * is never the result used in the shifting logic below. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
		if (eeprom_size)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
			eeprom_size++;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
		eeprom->word_size = 1 << (eeprom_size + EEPROM_WORD_SIZE_SHIFT);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
	return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
 * e1000_raise_ee_clk - Raises the EEPROM's clock input.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
 * @eecd: EECD's current value
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
static void e1000_raise_ee_clk(struct e1000_hw *hw, u32 *eecd)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
	/* Raise the clock input to the EEPROM (by setting the SK bit), and then
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
	 * wait <delay> microseconds.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
	*eecd = *eecd | E1000_EECD_SK;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
	ew32(EECD, *eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
	E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
	udelay(hw->eeprom.delay_usec);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
 * e1000_lower_ee_clk - Lowers the EEPROM's clock input.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
 * @eecd: EECD's current value
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
static void e1000_lower_ee_clk(struct e1000_hw *hw, u32 *eecd)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
	/* Lower the clock input to the EEPROM (by clearing the SK bit), and then
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
	 * wait 50 microseconds.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
	*eecd = *eecd & ~E1000_EECD_SK;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
	ew32(EECD, *eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
	udelay(hw->eeprom.delay_usec);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
 * e1000_shift_out_ee_bits - Shift data bits out to the EEPROM.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
 * @data: data to send to the EEPROM
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
 * @count: number of bits to shift out
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
static void e1000_shift_out_ee_bits(struct e1000_hw *hw, u16 data, u16 count)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	u32 eecd;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
	u32 mask;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
	/* We need to shift "count" bits out to the EEPROM. So, value in the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
	 * "data" parameter will be shifted out to the EEPROM one bit at a time.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
	 * In order to do this, "data" must be broken down into bits.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
	mask = 0x01 << (count - 1);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	eecd = er32(EECD);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
	if (eeprom->type == e1000_eeprom_microwire) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
		eecd &= ~E1000_EECD_DO;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
	} else if (eeprom->type == e1000_eeprom_spi) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
		eecd |= E1000_EECD_DO;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
	do {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
		/* A "1" is shifted out to the EEPROM by setting bit "DI" to a "1",
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
		 * and then raising and then lowering the clock (the SK bit controls
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
		 * the clock input to the EEPROM).  A "0" is shifted out to the EEPROM
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
		 * by setting "DI" to "0" and then raising and then lowering the clock.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
		eecd &= ~E1000_EECD_DI;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
		if (data & mask)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
			eecd |= E1000_EECD_DI;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
		ew32(EECD, eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
		udelay(eeprom->delay_usec);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
		e1000_raise_ee_clk(hw, &eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
		e1000_lower_ee_clk(hw, &eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
		mask = mask >> 1;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
	} while (mask);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
	/* We leave the "DI" bit set to "0" when we leave this routine. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
	eecd &= ~E1000_EECD_DI;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
	ew32(EECD, eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
 * e1000_shift_in_ee_bits - Shift data bits in from the EEPROM
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
 * @count: number of bits to shift in
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
static u16 e1000_shift_in_ee_bits(struct e1000_hw *hw, u16 count)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
	u32 eecd;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
	u32 i;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
	u16 data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
	/* In order to read a register from the EEPROM, we need to shift 'count'
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
	 * bits in from the EEPROM. Bits are "shifted in" by raising the clock
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
	 * input to the EEPROM (setting the SK bit), and then reading the value of
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
	 * the "DO" bit.  During this "shifting in" process the "DI" bit should
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
	 * always be clear.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
	eecd = er32(EECD);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
	eecd &= ~(E1000_EECD_DO | E1000_EECD_DI);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
	data = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
	for (i = 0; i < count; i++) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
		data = data << 1;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
		e1000_raise_ee_clk(hw, &eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
		eecd = er32(EECD);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
		eecd &= ~(E1000_EECD_DI);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
		if (eecd & E1000_EECD_DO)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
			data |= 1;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
		e1000_lower_ee_clk(hw, &eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
	return data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
 * e1000_acquire_eeprom - Prepares EEPROM for access
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
 * Lowers EEPROM clock. Clears input pin. Sets the chip select pin. This
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
 * function should be called before issuing a command to the EEPROM.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
static s32 e1000_acquire_eeprom(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
	u32 eecd, i = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
	e_dbg("e1000_acquire_eeprom");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
	eecd = er32(EECD);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
	/* Request EEPROM Access */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
	if (hw->mac_type > e1000_82544) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
		eecd |= E1000_EECD_REQ;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
		ew32(EECD, eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
		eecd = er32(EECD);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
		while ((!(eecd & E1000_EECD_GNT)) &&
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
		       (i < E1000_EEPROM_GRANT_ATTEMPTS)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
			i++;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
			udelay(5);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
			eecd = er32(EECD);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
		if (!(eecd & E1000_EECD_GNT)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
			eecd &= ~E1000_EECD_REQ;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
			ew32(EECD, eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
			e_dbg("Could not acquire EEPROM grant\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
			return -E1000_ERR_EEPROM;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
	/* Setup EEPROM for Read/Write */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
	if (eeprom->type == e1000_eeprom_microwire) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
		/* Clear SK and DI */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
		eecd &= ~(E1000_EECD_DI | E1000_EECD_SK);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
		ew32(EECD, eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
		/* Set CS */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
		eecd |= E1000_EECD_CS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
		ew32(EECD, eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
	} else if (eeprom->type == e1000_eeprom_spi) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
		/* Clear SK and CS */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
		eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
		ew32(EECD, eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
		udelay(1);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
 * e1000_standby_eeprom - Returns EEPROM to a "standby" state
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
static void e1000_standby_eeprom(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
	u32 eecd;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
	eecd = er32(EECD);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
	if (eeprom->type == e1000_eeprom_microwire) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
		eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
		ew32(EECD, eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
		udelay(eeprom->delay_usec);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
		/* Clock high */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
		eecd |= E1000_EECD_SK;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
		ew32(EECD, eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
		udelay(eeprom->delay_usec);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
		/* Select EEPROM */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
		eecd |= E1000_EECD_CS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
		ew32(EECD, eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
		udelay(eeprom->delay_usec);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
		/* Clock low */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
		eecd &= ~E1000_EECD_SK;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
		ew32(EECD, eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
		udelay(eeprom->delay_usec);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
	} else if (eeprom->type == e1000_eeprom_spi) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
		/* Toggle CS to flush commands */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
		eecd |= E1000_EECD_CS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
		ew32(EECD, eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
		udelay(eeprom->delay_usec);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
		eecd &= ~E1000_EECD_CS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
		ew32(EECD, eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
		udelay(eeprom->delay_usec);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
 * e1000_release_eeprom - drop chip select
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
 * Terminates a command by inverting the EEPROM's chip select pin
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
static void e1000_release_eeprom(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
	u32 eecd;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	e_dbg("e1000_release_eeprom");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	eecd = er32(EECD);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
	if (hw->eeprom.type == e1000_eeprom_spi) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
		eecd |= E1000_EECD_CS;	/* Pull CS high */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
		eecd &= ~E1000_EECD_SK;	/* Lower SCK */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
		ew32(EECD, eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
		udelay(hw->eeprom.delay_usec);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
	} else if (hw->eeprom.type == e1000_eeprom_microwire) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
		/* cleanup eeprom */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
		/* CS on Microwire is active-high */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
		eecd &= ~(E1000_EECD_CS | E1000_EECD_DI);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
		ew32(EECD, eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
		/* Rising edge of clock */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
		eecd |= E1000_EECD_SK;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
		ew32(EECD, eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
		udelay(hw->eeprom.delay_usec);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
		/* Falling edge of clock */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
		eecd &= ~E1000_EECD_SK;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
		ew32(EECD, eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
		udelay(hw->eeprom.delay_usec);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
	/* Stop requesting EEPROM access */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	if (hw->mac_type > e1000_82544) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
		eecd &= ~E1000_EECD_REQ;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
		ew32(EECD, eecd);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
 * e1000_spi_eeprom_ready - Reads a 16 bit word from the EEPROM.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
static s32 e1000_spi_eeprom_ready(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
	u16 retry_count = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
	u8 spi_stat_reg;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
	e_dbg("e1000_spi_eeprom_ready");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
	/* Read "Status Register" repeatedly until the LSB is cleared.  The
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
	 * EEPROM will signal that the command has been completed by clearing
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
	 * bit 0 of the internal status register.  If it's not cleared within
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
	 * 5 milliseconds, then error out.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
	retry_count = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
	do {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
		e1000_shift_out_ee_bits(hw, EEPROM_RDSR_OPCODE_SPI,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
					hw->eeprom.opcode_bits);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
		spi_stat_reg = (u8) e1000_shift_in_ee_bits(hw, 8);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
		if (!(spi_stat_reg & EEPROM_STATUS_RDY_SPI))
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
		udelay(5);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
		retry_count += 5;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
		e1000_standby_eeprom(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
	} while (retry_count < EEPROM_MAX_RETRY_SPI);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
	/* ATMEL SPI write time could vary from 0-20mSec on 3.3V devices (and
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
	 * only 0-5mSec on 5V devices)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
	if (retry_count >= EEPROM_MAX_RETRY_SPI) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
		e_dbg("SPI EEPROM Status error\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
		return -E1000_ERR_EEPROM;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
 * e1000_read_eeprom - Reads a 16 bit word from the EEPROM.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
 * @offset: offset of  word in the EEPROM to read
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
 * @data: word read from the EEPROM
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
 * @words: number of words to read
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
s32 e1000_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
	s32 ret;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
	spin_lock(&e1000_eeprom_lock);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
	ret = e1000_do_read_eeprom(hw, offset, words, data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
	spin_unlock(&e1000_eeprom_lock);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
	return ret;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
				u16 *data)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
	u32 i = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
	e_dbg("e1000_read_eeprom");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
	/* If eeprom is not yet detected, do so now */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
	if (eeprom->word_size == 0)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
		e1000_init_eeprom_params(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
	/* A check for invalid values:  offset too large, too many words, and not
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
	 * enough words.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
	if ((offset >= eeprom->word_size)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
	    || (words > eeprom->word_size - offset) || (words == 0)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
		e_dbg("\"words\" parameter out of bounds. Words = %d,"
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
		      "size = %d\n", offset, eeprom->word_size);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
		return -E1000_ERR_EEPROM;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
	/* EEPROM's that don't use EERD to read require us to bit-bang the SPI
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
	 * directly. In this case, we need to acquire the EEPROM so that
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
	 * FW or other port software does not interrupt.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
	/* Prepare the EEPROM for bit-bang reading */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
	if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
		return -E1000_ERR_EEPROM;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
	/* Set up the SPI or Microwire EEPROM for bit-bang reading.  We have
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
	 * acquired the EEPROM at this point, so any returns should release it */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
	if (eeprom->type == e1000_eeprom_spi) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
		u16 word_in;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
		u8 read_opcode = EEPROM_READ_OPCODE_SPI;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
		if (e1000_spi_eeprom_ready(hw)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
			e1000_release_eeprom(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
			return -E1000_ERR_EEPROM;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
		e1000_standby_eeprom(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
		/* Some SPI eeproms use the 8th address bit embedded in the opcode */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
		if ((eeprom->address_bits == 8) && (offset >= 128))
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
			read_opcode |= EEPROM_A8_OPCODE_SPI;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
		/* Send the READ command (opcode + addr)  */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
		e1000_shift_out_ee_bits(hw, read_opcode, eeprom->opcode_bits);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
		e1000_shift_out_ee_bits(hw, (u16) (offset * 2),
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
					eeprom->address_bits);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
		/* Read the data.  The address of the eeprom internally increments with
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
		 * each byte (spi) being read, saving on the overhead of eeprom setup
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
		 * and tear-down.  The address counter will roll over if reading beyond
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
		 * the size of the eeprom, thus allowing the entire memory to be read
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
		 * starting from any offset. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
		for (i = 0; i < words; i++) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
			word_in = e1000_shift_in_ee_bits(hw, 16);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
			data[i] = (word_in >> 8) | (word_in << 8);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
	} else if (eeprom->type == e1000_eeprom_microwire) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
		for (i = 0; i < words; i++) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
			/* Send the READ command (opcode + addr)  */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
			e1000_shift_out_ee_bits(hw,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
						EEPROM_READ_OPCODE_MICROWIRE,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
						eeprom->opcode_bits);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
			e1000_shift_out_ee_bits(hw, (u16) (offset + i),
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
						eeprom->address_bits);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
			/* Read the data.  For microwire, each word requires the overhead
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
			 * of eeprom setup and tear-down. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
			data[i] = e1000_shift_in_ee_bits(hw, 16);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
			e1000_standby_eeprom(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
	/* End this read operation */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
	e1000_release_eeprom(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
 * e1000_validate_eeprom_checksum - Verifies that the EEPROM has a valid checksum
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
 * Reads the first 64 16 bit words of the EEPROM and sums the values read.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
 * If the the sum of the 64 16 bit words is 0xBABA, the EEPROM's checksum is
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
 * valid.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
s32 e1000_validate_eeprom_checksum(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
	u16 checksum = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
	u16 i, eeprom_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
	e_dbg("e1000_validate_eeprom_checksum");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
	for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
		if (e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
			e_dbg("EEPROM Read Error\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
			return -E1000_ERR_EEPROM;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
		checksum += eeprom_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
	if (checksum == (u16) EEPROM_SUM)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
		return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
	else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
		e_dbg("EEPROM Checksum Invalid\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
		return -E1000_ERR_EEPROM;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
 * e1000_update_eeprom_checksum - Calculates/writes the EEPROM checksum
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
 * Sums the first 63 16 bit words of the EEPROM. Subtracts the sum from 0xBABA.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
 * Writes the difference to word offset 63 of the EEPROM.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
s32 e1000_update_eeprom_checksum(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
	u16 checksum = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
	u16 i, eeprom_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
	e_dbg("e1000_update_eeprom_checksum");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
	for (i = 0; i < EEPROM_CHECKSUM_REG; i++) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
		if (e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
			e_dbg("EEPROM Read Error\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
			return -E1000_ERR_EEPROM;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
		checksum += eeprom_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
	checksum = (u16) EEPROM_SUM - checksum;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
	if (e1000_write_eeprom(hw, EEPROM_CHECKSUM_REG, 1, &checksum) < 0) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
		e_dbg("EEPROM Write Error\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
		return -E1000_ERR_EEPROM;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
 * e1000_write_eeprom - write words to the different EEPROM types.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
 * @offset: offset within the EEPROM to be written to
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
 * @words: number of words to write
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
 * @data: 16 bit word to be written to the EEPROM
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
 * If e1000_update_eeprom_checksum is not called after this function, the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
 * EEPROM will most likely contain an invalid checksum.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
s32 e1000_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
	s32 ret;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
	spin_lock(&e1000_eeprom_lock);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
	ret = e1000_do_write_eeprom(hw, offset, words, data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
	spin_unlock(&e1000_eeprom_lock);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
	return ret;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
				 u16 *data)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
	s32 status = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
	e_dbg("e1000_write_eeprom");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
	/* If eeprom is not yet detected, do so now */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
	if (eeprom->word_size == 0)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
		e1000_init_eeprom_params(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
	/* A check for invalid values:  offset too large, too many words, and not
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
	 * enough words.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
	if ((offset >= eeprom->word_size)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
	    || (words > eeprom->word_size - offset) || (words == 0)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
		e_dbg("\"words\" parameter out of bounds\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
		return -E1000_ERR_EEPROM;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
	/* Prepare the EEPROM for writing  */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
	if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
		return -E1000_ERR_EEPROM;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
	if (eeprom->type == e1000_eeprom_microwire) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
		status = e1000_write_eeprom_microwire(hw, offset, words, data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
	} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
		status = e1000_write_eeprom_spi(hw, offset, words, data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
		msleep(10);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
	/* Done with writing */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
	e1000_release_eeprom(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
	return status;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
 * e1000_write_eeprom_spi - Writes a 16 bit word to a given offset in an SPI EEPROM.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
 * @offset: offset within the EEPROM to be written to
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
 * @words: number of words to write
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
 * @data: pointer to array of 8 bit words to be written to the EEPROM
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
static s32 e1000_write_eeprom_spi(struct e1000_hw *hw, u16 offset, u16 words,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
				  u16 *data)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
	u16 widx = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
	e_dbg("e1000_write_eeprom_spi");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
	while (widx < words) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
		u8 write_opcode = EEPROM_WRITE_OPCODE_SPI;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
		if (e1000_spi_eeprom_ready(hw))
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
			return -E1000_ERR_EEPROM;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
		e1000_standby_eeprom(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
		/*  Send the WRITE ENABLE command (8 bit opcode )  */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
		e1000_shift_out_ee_bits(hw, EEPROM_WREN_OPCODE_SPI,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
					eeprom->opcode_bits);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
		e1000_standby_eeprom(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
		/* Some SPI eeproms use the 8th address bit embedded in the opcode */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
		if ((eeprom->address_bits == 8) && (offset >= 128))
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
			write_opcode |= EEPROM_A8_OPCODE_SPI;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
		/* Send the Write command (8-bit opcode + addr) */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
		e1000_shift_out_ee_bits(hw, write_opcode, eeprom->opcode_bits);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
		e1000_shift_out_ee_bits(hw, (u16) ((offset + widx) * 2),
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
					eeprom->address_bits);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
		/* Send the data */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
		/* Loop to allow for up to whole page write (32 bytes) of eeprom */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
		while (widx < words) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
			u16 word_out = data[widx];
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
			word_out = (word_out >> 8) | (word_out << 8);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
			e1000_shift_out_ee_bits(hw, word_out, 16);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
			widx++;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
			/* Some larger eeprom sizes are capable of a 32-byte PAGE WRITE
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
			 * operation, while the smaller eeproms are capable of an 8-byte
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
			 * PAGE WRITE operation.  Break the inner loop to pass new address
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
			 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
			if ((((offset + widx) * 2) % eeprom->page_size) == 0) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
				e1000_standby_eeprom(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
				break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
 * e1000_write_eeprom_microwire - Writes a 16 bit word to a given offset in a Microwire EEPROM.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
 * @offset: offset within the EEPROM to be written to
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
 * @words: number of words to write
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
 * @data: pointer to array of 8 bit words to be written to the EEPROM
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
static s32 e1000_write_eeprom_microwire(struct e1000_hw *hw, u16 offset,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
					u16 words, u16 *data)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
	u32 eecd;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
	u16 words_written = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
	u16 i = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
	e_dbg("e1000_write_eeprom_microwire");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
	/* Send the write enable command to the EEPROM (3-bit opcode plus
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
	 * 6/8-bit dummy address beginning with 11).  It's less work to include
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
	 * the 11 of the dummy address as part of the opcode than it is to shift
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
	 * it over the correct number of bits for the address.  This puts the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
	 * EEPROM into write/erase mode.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
	e1000_shift_out_ee_bits(hw, EEPROM_EWEN_OPCODE_MICROWIRE,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
				(u16) (eeprom->opcode_bits + 2));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
	e1000_shift_out_ee_bits(hw, 0, (u16) (eeprom->address_bits - 2));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
	/* Prepare the EEPROM */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
	e1000_standby_eeprom(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
	while (words_written < words) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
		/* Send the Write command (3-bit opcode + addr) */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
		e1000_shift_out_ee_bits(hw, EEPROM_WRITE_OPCODE_MICROWIRE,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
					eeprom->opcode_bits);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
		e1000_shift_out_ee_bits(hw, (u16) (offset + words_written),
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
					eeprom->address_bits);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
		/* Send the data */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
		e1000_shift_out_ee_bits(hw, data[words_written], 16);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
		/* Toggle the CS line.  This in effect tells the EEPROM to execute
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
		 * the previous command.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
		e1000_standby_eeprom(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
		/* Read DO repeatedly until it is high (equal to '1').  The EEPROM will
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
		 * signal that the command has been completed by raising the DO signal.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
		 * If DO does not go high in 10 milliseconds, then error out.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
		for (i = 0; i < 200; i++) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
			eecd = er32(EECD);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
			if (eecd & E1000_EECD_DO)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
				break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
			udelay(50);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
		if (i == 200) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
			e_dbg("EEPROM Write did not complete\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
			return -E1000_ERR_EEPROM;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
		/* Recover from write */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
		e1000_standby_eeprom(hw);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
		words_written++;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
	/* Send the write disable command to the EEPROM (3-bit opcode plus
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
	 * 6/8-bit dummy address beginning with 10).  It's less work to include
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
	 * the 10 of the dummy address as part of the opcode than it is to shift
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
	 * it over the correct number of bits for the address.  This takes the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
	 * EEPROM out of write/erase mode.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
	e1000_shift_out_ee_bits(hw, EEPROM_EWDS_OPCODE_MICROWIRE,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
				(u16) (eeprom->opcode_bits + 2));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
	e1000_shift_out_ee_bits(hw, 0, (u16) (eeprom->address_bits - 2));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
 * e1000_read_mac_addr - read the adapters MAC from eeprom
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
 * Reads the adapter's MAC address from the EEPROM and inverts the LSB for the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
 * second function of dual function devices
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
s32 e1000_read_mac_addr(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
	u16 offset;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
	u16 eeprom_data, i;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
	e_dbg("e1000_read_mac_addr");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
	for (i = 0; i < NODE_ADDRESS_SIZE; i += 2) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
		offset = i >> 1;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
		if (e1000_read_eeprom(hw, offset, 1, &eeprom_data) < 0) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
			e_dbg("EEPROM Read Error\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
			return -E1000_ERR_EEPROM;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
		hw->perm_mac_addr[i] = (u8) (eeprom_data & 0x00FF);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
		hw->perm_mac_addr[i + 1] = (u8) (eeprom_data >> 8);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
	switch (hw->mac_type) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
	case e1000_82546:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
	case e1000_82546_rev_3:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
			hw->perm_mac_addr[5] ^= 0x01;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
	for (i = 0; i < NODE_ADDRESS_SIZE; i++)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
		hw->mac_addr[i] = hw->perm_mac_addr[i];
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
 * e1000_init_rx_addrs - Initializes receive address filters.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
 * Places the MAC address in receive address register 0 and clears the rest
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
 * of the receive address registers. Clears the multicast table. Assumes
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
 * the receiver is in reset when the routine is called.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
static void e1000_init_rx_addrs(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
	u32 i;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
	u32 rar_num;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
	e_dbg("e1000_init_rx_addrs");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
	/* Setup the receive address. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
	e_dbg("Programming MAC Address into RAR[0]\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
	e1000_rar_set(hw, hw->mac_addr, 0);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
	rar_num = E1000_RAR_ENTRIES;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
	/* Zero out the other 15 receive addresses. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
	e_dbg("Clearing RAR[1-15]\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
	for (i = 1; i < rar_num; i++) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
		E1000_WRITE_REG_ARRAY(hw, RA, (i << 1), 0);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
		E1000_WRITE_REG_ARRAY(hw, RA, ((i << 1) + 1), 0);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
 * e1000_hash_mc_addr - Hashes an address to determine its location in the multicast table
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
 * @mc_addr: the multicast address to hash
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
	u32 hash_value = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
	/* The portion of the address that is used for the hash table is
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
	 * determined by the mc_filter_type setting.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
	switch (hw->mc_filter_type) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
		/* [0] [1] [2] [3] [4] [5]
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
		 * 01  AA  00  12  34  56
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
		 * LSB                 MSB
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
	case 0:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
		/* [47:36] i.e. 0x563 for above example address */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
		hash_value = ((mc_addr[4] >> 4) | (((u16) mc_addr[5]) << 4));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
	case 1:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
		/* [46:35] i.e. 0xAC6 for above example address */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
		hash_value = ((mc_addr[4] >> 3) | (((u16) mc_addr[5]) << 5));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
	case 2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
		/* [45:34] i.e. 0x5D8 for above example address */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
		hash_value = ((mc_addr[4] >> 2) | (((u16) mc_addr[5]) << 6));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
	case 3:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
		/* [43:32] i.e. 0x634 for above example address */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
		hash_value = ((mc_addr[4]) | (((u16) mc_addr[5]) << 8));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
	hash_value &= 0xFFF;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
	return hash_value;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
 * e1000_rar_set - Puts an ethernet address into a receive address register.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
 * @addr: Address to put into receive address register
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
 * @index: Receive address register to write
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
void e1000_rar_set(struct e1000_hw *hw, u8 *addr, u32 index)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
	u32 rar_low, rar_high;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
	/* HW expects these in little endian so we reverse the byte order
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
	 * from network order (big endian) to little endian
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
	rar_low = ((u32) addr[0] | ((u32) addr[1] << 8) |
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
		   ((u32) addr[2] << 16) | ((u32) addr[3] << 24));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
	rar_high = ((u32) addr[4] | ((u32) addr[5] << 8));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
	/* Disable Rx and flush all Rx frames before enabling RSS to avoid Rx
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
	 * unit hang.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
	 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
	 * Description:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
	 * If there are any Rx frames queued up or otherwise present in the HW
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
	 * before RSS is enabled, and then we enable RSS, the HW Rx unit will
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
	 * hang.  To work around this issue, we have to disable receives and
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
	 * flush out all Rx frames before we enable RSS. To do so, we modify we
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
	 * redirect all Rx traffic to manageability and then reset the HW.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
	 * This flushes away Rx frames, and (since the redirections to
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
	 * manageability persists across resets) keeps new ones from coming in
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
	 * while we work.  Then, we clear the Address Valid AV bit for all MAC
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
	 * addresses and undo the re-direction to manageability.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
	 * Now, frames are coming in again, but the MAC won't accept them, so
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
	 * far so good.  We now proceed to initialize RSS (if necessary) and
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
	 * configure the Rx unit.  Last, we re-enable the AV bits and continue
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
	 * on our merry way.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
	switch (hw->mac_type) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
		/* Indicate to hardware the Address is Valid. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
		rar_high |= E1000_RAH_AV;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
	E1000_WRITE_REG_ARRAY(hw, RA, (index << 1), rar_low);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
	E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
	E1000_WRITE_REG_ARRAY(hw, RA, ((index << 1) + 1), rar_high);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
	E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
 * e1000_write_vfta - Writes a value to the specified offset in the VLAN filter table.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
 * @offset: Offset in VLAN filer table to write
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
 * @value: Value to write into VLAN filter table
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
	u32 temp;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
	if ((hw->mac_type == e1000_82544) && ((offset & 0x1) == 1)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
		temp = E1000_READ_REG_ARRAY(hw, VFTA, (offset - 1));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
		E1000_WRITE_REG_ARRAY(hw, VFTA, offset, value);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
		E1000_WRITE_REG_ARRAY(hw, VFTA, (offset - 1), temp);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
	} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
		E1000_WRITE_REG_ARRAY(hw, VFTA, offset, value);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
 * e1000_clear_vfta - Clears the VLAN filer table
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
static void e1000_clear_vfta(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
	u32 offset;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
	u32 vfta_value = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
	u32 vfta_offset = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
	u32 vfta_bit_in_reg = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
	for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
		/* If the offset we want to clear is the same offset of the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
		 * manageability VLAN ID, then clear all bits except that of the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
		 * manageability unit */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
		vfta_value = (offset == vfta_offset) ? vfta_bit_in_reg : 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
		E1000_WRITE_REG_ARRAY(hw, VFTA, offset, vfta_value);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
		E1000_WRITE_FLUSH();
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
static s32 e1000_id_led_init(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
	u32 ledctl;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
	const u32 ledctl_mask = 0x000000FF;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
	const u32 ledctl_on = E1000_LEDCTL_MODE_LED_ON;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
	const u32 ledctl_off = E1000_LEDCTL_MODE_LED_OFF;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
	u16 eeprom_data, i, temp;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
	const u16 led_mask = 0x0F;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
	e_dbg("e1000_id_led_init");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
	if (hw->mac_type < e1000_82540) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
		/* Nothing to do */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
		return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
	ledctl = er32(LEDCTL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
	hw->ledctl_default = ledctl;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
	hw->ledctl_mode1 = hw->ledctl_default;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
	hw->ledctl_mode2 = hw->ledctl_default;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
	if (e1000_read_eeprom(hw, EEPROM_ID_LED_SETTINGS, 1, &eeprom_data) < 0) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
		e_dbg("EEPROM Read Error\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
		return -E1000_ERR_EEPROM;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
	if ((eeprom_data == ID_LED_RESERVED_0000) ||
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
	    (eeprom_data == ID_LED_RESERVED_FFFF)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
		eeprom_data = ID_LED_DEFAULT;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
	for (i = 0; i < 4; i++) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
		temp = (eeprom_data >> (i << 2)) & led_mask;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
		switch (temp) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
		case ID_LED_ON1_DEF2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
		case ID_LED_ON1_ON2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
		case ID_LED_ON1_OFF2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
			hw->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
			hw->ledctl_mode1 |= ledctl_on << (i << 3);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
		case ID_LED_OFF1_DEF2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
		case ID_LED_OFF1_ON2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
		case ID_LED_OFF1_OFF2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
			hw->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
			hw->ledctl_mode1 |= ledctl_off << (i << 3);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
		default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
			/* Do nothing */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
		switch (temp) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
		case ID_LED_DEF1_ON2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
		case ID_LED_ON1_ON2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
		case ID_LED_OFF1_ON2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
			hw->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
			hw->ledctl_mode2 |= ledctl_on << (i << 3);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
		case ID_LED_DEF1_OFF2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
		case ID_LED_ON1_OFF2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
		case ID_LED_OFF1_OFF2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
			hw->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
			hw->ledctl_mode2 |= ledctl_off << (i << 3);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
		default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
			/* Do nothing */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
 * e1000_setup_led
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
 * Prepares SW controlable LED for use and saves the current state of the LED.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
s32 e1000_setup_led(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
	u32 ledctl;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
	s32 ret_val = E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
	e_dbg("e1000_setup_led");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
	switch (hw->mac_type) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
	case e1000_82542_rev2_0:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
	case e1000_82542_rev2_1:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
	case e1000_82543:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
	case e1000_82544:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
		/* No setup necessary */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
	case e1000_82541:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
	case e1000_82547:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
	case e1000_82541_rev_2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
	case e1000_82547_rev_2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
		/* Turn off PHY Smart Power Down (if enabled) */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
		ret_val = e1000_read_phy_reg(hw, IGP01E1000_GMII_FIFO,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
					     &hw->phy_spd_default);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
		ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
					      (u16) (hw->phy_spd_default &
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
						     ~IGP01E1000_GMII_SPD));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
		/* Fall Through */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
		if (hw->media_type == e1000_media_type_fiber) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
			ledctl = er32(LEDCTL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
			/* Save current LEDCTL settings */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
			hw->ledctl_default = ledctl;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
			/* Turn off LED0 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
			ledctl &= ~(E1000_LEDCTL_LED0_IVRT |
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
				    E1000_LEDCTL_LED0_BLINK |
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
				    E1000_LEDCTL_LED0_MODE_MASK);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
			ledctl |= (E1000_LEDCTL_MODE_LED_OFF <<
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
				   E1000_LEDCTL_LED0_MODE_SHIFT);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
			ew32(LEDCTL, ledctl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
		} else if (hw->media_type == e1000_media_type_copper)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
			ew32(LEDCTL, hw->ledctl_mode1);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
 * e1000_cleanup_led - Restores the saved state of the SW controlable LED.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
s32 e1000_cleanup_led(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
	s32 ret_val = E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
	e_dbg("e1000_cleanup_led");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
	switch (hw->mac_type) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
	case e1000_82542_rev2_0:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
	case e1000_82542_rev2_1:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
	case e1000_82543:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
	case e1000_82544:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
		/* No cleanup necessary */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
	case e1000_82541:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
	case e1000_82547:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
	case e1000_82541_rev_2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
	case e1000_82547_rev_2:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
		/* Turn on PHY Smart Power Down (if previously enabled) */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
		ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
					      hw->phy_spd_default);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
		/* Fall Through */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
		/* Restore LEDCTL settings */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
		ew32(LEDCTL, hw->ledctl_default);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
 * e1000_led_on - Turns on the software controllable LED
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
s32 e1000_led_on(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
	u32 ctrl = er32(CTRL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
	e_dbg("e1000_led_on");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
	switch (hw->mac_type) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
	case e1000_82542_rev2_0:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
	case e1000_82542_rev2_1:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
	case e1000_82543:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
		/* Set SW Defineable Pin 0 to turn on the LED */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
		ctrl |= E1000_CTRL_SWDPIN0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
		ctrl |= E1000_CTRL_SWDPIO0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
	case e1000_82544:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
		if (hw->media_type == e1000_media_type_fiber) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
			/* Set SW Defineable Pin 0 to turn on the LED */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
			ctrl |= E1000_CTRL_SWDPIN0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
			ctrl |= E1000_CTRL_SWDPIO0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
		} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
			/* Clear SW Defineable Pin 0 to turn on the LED */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
			ctrl &= ~E1000_CTRL_SWDPIN0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
			ctrl |= E1000_CTRL_SWDPIO0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
		if (hw->media_type == e1000_media_type_fiber) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
			/* Clear SW Defineable Pin 0 to turn on the LED */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
			ctrl &= ~E1000_CTRL_SWDPIN0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
			ctrl |= E1000_CTRL_SWDPIO0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
		} else if (hw->media_type == e1000_media_type_copper) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
			ew32(LEDCTL, hw->ledctl_mode2);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
			return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
	ew32(CTRL, ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
 * e1000_led_off - Turns off the software controllable LED
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
s32 e1000_led_off(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
	u32 ctrl = er32(CTRL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
	e_dbg("e1000_led_off");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
	switch (hw->mac_type) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
	case e1000_82542_rev2_0:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
	case e1000_82542_rev2_1:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
	case e1000_82543:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
		/* Clear SW Defineable Pin 0 to turn off the LED */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
		ctrl &= ~E1000_CTRL_SWDPIN0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
		ctrl |= E1000_CTRL_SWDPIO0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
	case e1000_82544:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
		if (hw->media_type == e1000_media_type_fiber) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
			/* Clear SW Defineable Pin 0 to turn off the LED */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
			ctrl &= ~E1000_CTRL_SWDPIN0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
			ctrl |= E1000_CTRL_SWDPIO0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
		} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
			/* Set SW Defineable Pin 0 to turn off the LED */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
			ctrl |= E1000_CTRL_SWDPIN0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
			ctrl |= E1000_CTRL_SWDPIO0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
		if (hw->media_type == e1000_media_type_fiber) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
			/* Set SW Defineable Pin 0 to turn off the LED */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
			ctrl |= E1000_CTRL_SWDPIN0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
			ctrl |= E1000_CTRL_SWDPIO0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
		} else if (hw->media_type == e1000_media_type_copper) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
			ew32(LEDCTL, hw->ledctl_mode1);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
			return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
	ew32(CTRL, ctrl);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
 * e1000_clear_hw_cntrs - Clears all hardware statistics counters.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
static void e1000_clear_hw_cntrs(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
	volatile u32 temp __attribute__ ((unused));
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
	temp = er32(CRCERRS);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
	temp = er32(SYMERRS);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
	temp = er32(MPC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
	temp = er32(SCC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
	temp = er32(ECOL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
	temp = er32(MCC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
	temp = er32(LATECOL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
	temp = er32(COLC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
	temp = er32(DC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
	temp = er32(SEC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
	temp = er32(RLEC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
	temp = er32(XONRXC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
	temp = er32(XONTXC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
	temp = er32(XOFFRXC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
	temp = er32(XOFFTXC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
	temp = er32(FCRUC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
	temp = er32(PRC64);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
	temp = er32(PRC127);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
	temp = er32(PRC255);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
	temp = er32(PRC511);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
	temp = er32(PRC1023);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
	temp = er32(PRC1522);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
	temp = er32(GPRC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
	temp = er32(BPRC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
	temp = er32(MPRC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
	temp = er32(GPTC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
	temp = er32(GORCL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
	temp = er32(GORCH);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
	temp = er32(GOTCL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
	temp = er32(GOTCH);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
	temp = er32(RNBC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
	temp = er32(RUC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
	temp = er32(RFC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
	temp = er32(ROC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
	temp = er32(RJC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
	temp = er32(TORL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
	temp = er32(TORH);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
	temp = er32(TOTL);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
	temp = er32(TOTH);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
	temp = er32(TPR);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
	temp = er32(TPT);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
	temp = er32(PTC64);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
	temp = er32(PTC127);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
	temp = er32(PTC255);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
	temp = er32(PTC511);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
	temp = er32(PTC1023);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
	temp = er32(PTC1522);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
	temp = er32(MPTC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
	temp = er32(BPTC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
	if (hw->mac_type < e1000_82543)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
		return;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
	temp = er32(ALGNERRC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
	temp = er32(RXERRC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
	temp = er32(TNCRS);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
	temp = er32(CEXTERR);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
	temp = er32(TSCTC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
	temp = er32(TSCTFC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
	if (hw->mac_type <= e1000_82544)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
		return;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
	temp = er32(MGTPRC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
	temp = er32(MGTPDC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
	temp = er32(MGTPTC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
 * e1000_reset_adaptive - Resets Adaptive IFS to its default state.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
 * Call this after e1000_init_hw. You may override the IFS defaults by setting
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
 * hw->ifs_params_forced to true. However, you must initialize hw->
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
 * current_ifs_val, ifs_min_val, ifs_max_val, ifs_step_size, and ifs_ratio
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
 * before calling this function.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
void e1000_reset_adaptive(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
	e_dbg("e1000_reset_adaptive");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
	if (hw->adaptive_ifs) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
		if (!hw->ifs_params_forced) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
			hw->current_ifs_val = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
			hw->ifs_min_val = IFS_MIN;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
			hw->ifs_max_val = IFS_MAX;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
			hw->ifs_step_size = IFS_STEP;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
			hw->ifs_ratio = IFS_RATIO;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
		hw->in_ifs_mode = false;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
		ew32(AIT, 0);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
	} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
		e_dbg("Not in Adaptive IFS mode!\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
 * e1000_update_adaptive - update adaptive IFS
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
 * @tx_packets: Number of transmits since last callback
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
 * @total_collisions: Number of collisions since last callback
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
 * Called during the callback/watchdog routine to update IFS value based on
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
 * the ratio of transmits to collisions.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
void e1000_update_adaptive(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
	e_dbg("e1000_update_adaptive");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
	if (hw->adaptive_ifs) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
		if ((hw->collision_delta *hw->ifs_ratio) > hw->tx_packet_delta) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
			if (hw->tx_packet_delta > MIN_NUM_XMITS) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
				hw->in_ifs_mode = true;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
				if (hw->current_ifs_val < hw->ifs_max_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
					if (hw->current_ifs_val == 0)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
						hw->current_ifs_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
						    hw->ifs_min_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
					else
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
						hw->current_ifs_val +=
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
						    hw->ifs_step_size;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
					ew32(AIT, hw->current_ifs_val);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
				}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
		} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
			if (hw->in_ifs_mode
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
			    && (hw->tx_packet_delta <= MIN_NUM_XMITS)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
				hw->current_ifs_val = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
				hw->in_ifs_mode = false;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
				ew32(AIT, 0);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
	} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
		e_dbg("Not in Adaptive IFS mode!\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
 * e1000_tbi_adjust_stats
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
 * @frame_len: The length of the frame in question
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
 * @mac_addr: The Ethernet destination address of the frame in question
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
 * Adjusts the statistic counters when a frame is accepted by TBI_ACCEPT
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
void e1000_tbi_adjust_stats(struct e1000_hw *hw, struct e1000_hw_stats *stats,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
			    u32 frame_len, u8 *mac_addr)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
	u64 carry_bit;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
	/* First adjust the frame length. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
	frame_len--;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
	/* We need to adjust the statistics counters, since the hardware
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
	 * counters overcount this packet as a CRC error and undercount
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
	 * the packet as a good packet
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
	/* This packet should not be counted as a CRC error.    */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
	stats->crcerrs--;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
	/* This packet does count as a Good Packet Received.    */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
	stats->gprc++;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
	/* Adjust the Good Octets received counters             */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
	carry_bit = 0x80000000 & stats->gorcl;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
	stats->gorcl += frame_len;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
	/* If the high bit of Gorcl (the low 32 bits of the Good Octets
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
	 * Received Count) was one before the addition,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
	 * AND it is zero after, then we lost the carry out,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
	 * need to add one to Gorch (Good Octets Received Count High).
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
	 * This could be simplified if all environments supported
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
	 * 64-bit integers.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
	if (carry_bit && ((stats->gorcl & 0x80000000) == 0))
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
		stats->gorch++;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
	/* Is this a broadcast or multicast?  Check broadcast first,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
	 * since the test for a multicast frame will test positive on
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
	 * a broadcast frame.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
	if ((mac_addr[0] == (u8) 0xff) && (mac_addr[1] == (u8) 0xff))
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
		/* Broadcast packet */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
		stats->bprc++;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
	else if (*mac_addr & 0x01)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
		/* Multicast packet */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
		stats->mprc++;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
	if (frame_len == hw->max_frame_size) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
		/* In this case, the hardware has overcounted the number of
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
		 * oversize frames.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
		if (stats->roc > 0)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
			stats->roc--;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
	/* Adjust the bin counters when the extra byte put the frame in the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
	 * wrong bin. Remember that the frame_len was adjusted above.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
	 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
	if (frame_len == 64) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
		stats->prc64++;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
		stats->prc127--;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
	} else if (frame_len == 127) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
		stats->prc127++;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
		stats->prc255--;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
	} else if (frame_len == 255) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
		stats->prc255++;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
		stats->prc511--;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
	} else if (frame_len == 511) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
		stats->prc511++;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
		stats->prc1023--;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
	} else if (frame_len == 1023) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
		stats->prc1023++;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
		stats->prc1522--;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
	} else if (frame_len == 1522) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
		stats->prc1522++;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
 * e1000_get_bus_info
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
 * Gets the current PCI bus type, speed, and width of the hardware
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
void e1000_get_bus_info(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
	u32 status;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
	switch (hw->mac_type) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
	case e1000_82542_rev2_0:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
	case e1000_82542_rev2_1:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
		hw->bus_type = e1000_bus_type_pci;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
		hw->bus_speed = e1000_bus_speed_unknown;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
		hw->bus_width = e1000_bus_width_unknown;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
		status = er32(STATUS);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
		hw->bus_type = (status & E1000_STATUS_PCIX_MODE) ?
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
		    e1000_bus_type_pcix : e1000_bus_type_pci;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
		if (hw->device_id == E1000_DEV_ID_82546EB_QUAD_COPPER) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
			hw->bus_speed = (hw->bus_type == e1000_bus_type_pci) ?
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
			    e1000_bus_speed_66 : e1000_bus_speed_120;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
		} else if (hw->bus_type == e1000_bus_type_pci) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
			hw->bus_speed = (status & E1000_STATUS_PCI66) ?
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
			    e1000_bus_speed_66 : e1000_bus_speed_33;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
		} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
			switch (status & E1000_STATUS_PCIX_SPEED) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
			case E1000_STATUS_PCIX_SPEED_66:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
				hw->bus_speed = e1000_bus_speed_66;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
				break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
			case E1000_STATUS_PCIX_SPEED_100:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
				hw->bus_speed = e1000_bus_speed_100;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
				break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
			case E1000_STATUS_PCIX_SPEED_133:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
				hw->bus_speed = e1000_bus_speed_133;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
				break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
			default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
				hw->bus_speed = e1000_bus_speed_reserved;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
				break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
		hw->bus_width = (status & E1000_STATUS_BUS64) ?
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
		    e1000_bus_width_64 : e1000_bus_width_32;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
 * e1000_write_reg_io
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
 * @offset: offset to write to
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
 * @value: value to write
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
 * Writes a value to one of the devices registers using port I/O (as opposed to
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
 * memory mapped I/O). Only 82544 and newer devices support port I/O.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
static void e1000_write_reg_io(struct e1000_hw *hw, u32 offset, u32 value)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
	unsigned long io_addr = hw->io_base;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
	unsigned long io_data = hw->io_base + 4;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
	e1000_io_write(hw, io_addr, offset);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
	e1000_io_write(hw, io_data, value);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
 * e1000_get_cable_length - Estimates the cable length.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
 * @min_length: The estimated minimum length
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
 * @max_length: The estimated maximum length
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
 * returns: - E1000_ERR_XXX
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
 *            E1000_SUCCESS
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
 * This function always returns a ranged length (minimum & maximum).
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
 * So for M88 phy's, this function interprets the one value returned from the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
 * register to the minimum and maximum range.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
 * For IGP phy's, the function calculates the range by the AGC registers.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
static s32 e1000_get_cable_length(struct e1000_hw *hw, u16 *min_length,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
				  u16 *max_length)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
	u16 agc_value = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
	u16 i, phy_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
	u16 cable_length;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
	e_dbg("e1000_get_cable_length");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
	*min_length = *max_length = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
	/* Use old method for Phy older than IGP */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
	if (hw->phy_type == e1000_phy_m88) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
		ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
					     &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
		cable_length = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
		    M88E1000_PSSR_CABLE_LENGTH_SHIFT;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
		/* Convert the enum value to ranged values */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
		switch (cable_length) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
		case e1000_cable_length_50:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
			*min_length = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
			*max_length = e1000_igp_cable_length_50;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
		case e1000_cable_length_50_80:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
			*min_length = e1000_igp_cable_length_50;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
			*max_length = e1000_igp_cable_length_80;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
		case e1000_cable_length_80_110:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
			*min_length = e1000_igp_cable_length_80;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
			*max_length = e1000_igp_cable_length_110;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
		case e1000_cable_length_110_140:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
			*min_length = e1000_igp_cable_length_110;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
			*max_length = e1000_igp_cable_length_140;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
		case e1000_cable_length_140:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
			*min_length = e1000_igp_cable_length_140;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
			*max_length = e1000_igp_cable_length_170;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
		default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
			return -E1000_ERR_PHY;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
	} else if (hw->phy_type == e1000_phy_igp) {	/* For IGP PHY */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
		u16 cur_agc_value;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
		u16 min_agc_value = IGP01E1000_AGC_LENGTH_TABLE_SIZE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
		u16 agc_reg_array[IGP01E1000_PHY_CHANNEL_NUM] =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
		    { IGP01E1000_PHY_AGC_A,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
			IGP01E1000_PHY_AGC_B,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
			IGP01E1000_PHY_AGC_C,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
			IGP01E1000_PHY_AGC_D
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
		};
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
		/* Read the AGC registers for all channels */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
		for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
			    e1000_read_phy_reg(hw, agc_reg_array[i], &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
			cur_agc_value = phy_data >> IGP01E1000_AGC_LENGTH_SHIFT;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
			/* Value bound check. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
			if ((cur_agc_value >=
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
			     IGP01E1000_AGC_LENGTH_TABLE_SIZE - 1)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
			    || (cur_agc_value == 0))
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
				return -E1000_ERR_PHY;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
			agc_value += cur_agc_value;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
			/* Update minimal AGC value. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
			if (min_agc_value > cur_agc_value)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
				min_agc_value = cur_agc_value;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
		/* Remove the minimal AGC result for length < 50m */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
		if (agc_value <
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
		    IGP01E1000_PHY_CHANNEL_NUM * e1000_igp_cable_length_50) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
			agc_value -= min_agc_value;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
			/* Get the average length of the remaining 3 channels */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
			agc_value /= (IGP01E1000_PHY_CHANNEL_NUM - 1);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
		} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
			/* Get the average length of all the 4 channels. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
			agc_value /= IGP01E1000_PHY_CHANNEL_NUM;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
		/* Set the range of the calculated length. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
		*min_length = ((e1000_igp_cable_length_table[agc_value] -
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
				IGP01E1000_AGC_RANGE) > 0) ?
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
		    (e1000_igp_cable_length_table[agc_value] -
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
		     IGP01E1000_AGC_RANGE) : 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
		*max_length = e1000_igp_cable_length_table[agc_value] +
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
		    IGP01E1000_AGC_RANGE;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
 * e1000_check_polarity - Check the cable polarity
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
 * @polarity: output parameter : 0 - Polarity is not reversed
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
 *                               1 - Polarity is reversed.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
 * returns: - E1000_ERR_XXX
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
 *            E1000_SUCCESS
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
 * For phy's older than IGP, this function simply reads the polarity bit in the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
 * Phy Status register.  For IGP phy's, this bit is valid only if link speed is
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
 * 10 Mbps.  If the link speed is 100 Mbps there is no polarity so this bit will
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
 * return 0.  If the link speed is 1000 Mbps the polarity status is in the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
 * IGP01E1000_PHY_PCS_INIT_REG.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
static s32 e1000_check_polarity(struct e1000_hw *hw,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
				e1000_rev_polarity *polarity)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
	u16 phy_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
	e_dbg("e1000_check_polarity");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
	if (hw->phy_type == e1000_phy_m88) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
		/* return the Polarity bit in the Status register. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
		ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
					     &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
		*polarity = ((phy_data & M88E1000_PSSR_REV_POLARITY) >>
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
			     M88E1000_PSSR_REV_POLARITY_SHIFT) ?
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
		    e1000_rev_polarity_reversed : e1000_rev_polarity_normal;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
	} else if (hw->phy_type == e1000_phy_igp) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
		/* Read the Status register to check the speed */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
		ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
					     &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
		/* If speed is 1000 Mbps, must read the IGP01E1000_PHY_PCS_INIT_REG to
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
		 * find the polarity status */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
		if ((phy_data & IGP01E1000_PSSR_SPEED_MASK) ==
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
		    IGP01E1000_PSSR_SPEED_1000MBPS) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
			/* Read the GIG initialization PCS register (0x00B4) */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
			    e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
					       &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
			/* Check the polarity bits */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
			*polarity = (phy_data & IGP01E1000_PHY_POLARITY_MASK) ?
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
			    e1000_rev_polarity_reversed :
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
			    e1000_rev_polarity_normal;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
		} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
			/* For 10 Mbps, read the polarity bit in the status register. (for
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
			 * 100 Mbps this bit is always 0) */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
			*polarity =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
			    (phy_data & IGP01E1000_PSSR_POLARITY_REVERSED) ?
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
			    e1000_rev_polarity_reversed :
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
			    e1000_rev_polarity_normal;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
 * e1000_check_downshift - Check if Downshift occurred
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
 * @downshift: output parameter : 0 - No Downshift occurred.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
 *                                1 - Downshift occurred.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
 * returns: - E1000_ERR_XXX
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
 *            E1000_SUCCESS
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
 * For phy's older than IGP, this function reads the Downshift bit in the Phy
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
 * Specific Status register.  For IGP phy's, it reads the Downgrade bit in the
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
 * Link Health register.  In IGP this bit is latched high, so the driver must
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
 * read it immediately after link is established.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
static s32 e1000_check_downshift(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
	u16 phy_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
	e_dbg("e1000_check_downshift");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
	if (hw->phy_type == e1000_phy_igp) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
		ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_LINK_HEALTH,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
					     &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
		hw->speed_downgraded =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
		    (phy_data & IGP01E1000_PLHR_SS_DOWNGRADE) ? 1 : 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
	} else if (hw->phy_type == e1000_phy_m88) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
		ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
					     &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
		hw->speed_downgraded = (phy_data & M88E1000_PSSR_DOWNSHIFT) >>
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
		    M88E1000_PSSR_DOWNSHIFT_SHIFT;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
 * e1000_config_dsp_after_link_change
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
 * @link_up: was link up at the time this was called
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
 * returns: - E1000_ERR_PHY if fail to read/write the PHY
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
 *            E1000_SUCCESS at any other case.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
 * 82541_rev_2 & 82547_rev_2 have the capability to configure the DSP when a
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
 * gigabit link is achieved to improve link quality.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
static s32 e1000_config_dsp_after_link_change(struct e1000_hw *hw, bool link_up)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
	u16 phy_data, phy_saved_data, speed, duplex, i;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
	u16 dsp_reg_array[IGP01E1000_PHY_CHANNEL_NUM] =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
	    { IGP01E1000_PHY_AGC_PARAM_A,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
		IGP01E1000_PHY_AGC_PARAM_B,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
		IGP01E1000_PHY_AGC_PARAM_C,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
		IGP01E1000_PHY_AGC_PARAM_D
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
	};
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
	u16 min_length, max_length;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
	e_dbg("e1000_config_dsp_after_link_change");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
	if (hw->phy_type != e1000_phy_igp)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
		return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
	if (link_up) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
		ret_val = e1000_get_speed_and_duplex(hw, &speed, &duplex);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
		if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
			e_dbg("Error getting link speed and duplex\n");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
		if (speed == SPEED_1000) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
			    e1000_get_cable_length(hw, &min_length,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
						   &max_length);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
			if ((hw->dsp_config_state == e1000_dsp_config_enabled)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
			    && min_length >= e1000_igp_cable_length_50) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
				for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
					ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
					    e1000_read_phy_reg(hw,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
							       dsp_reg_array[i],
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
							       &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
					if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
						return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
					phy_data &=
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
					    ~IGP01E1000_PHY_EDAC_MU_INDEX;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
					ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
					    e1000_write_phy_reg(hw,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
								dsp_reg_array
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
								[i], phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
					if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
						return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
				}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
				hw->dsp_config_state =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
				    e1000_dsp_config_activated;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
			if ((hw->ffe_config_state == e1000_ffe_config_enabled)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
			    && (min_length < e1000_igp_cable_length_50)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
				u16 ffe_idle_err_timeout =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
				    FFE_IDLE_ERR_COUNT_TIMEOUT_20;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
				u32 idle_errs = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
				/* clear previous idle error counts */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
				ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
				    e1000_read_phy_reg(hw, PHY_1000T_STATUS,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
						       &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
				if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
					return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
				for (i = 0; i < ffe_idle_err_timeout; i++) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
					udelay(1000);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
					ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
					    e1000_read_phy_reg(hw,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
							       PHY_1000T_STATUS,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
							       &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
					if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
						return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
					idle_errs +=
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
					    (phy_data &
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
					     SR_1000T_IDLE_ERROR_CNT);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
					if (idle_errs >
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
					    SR_1000T_PHY_EXCESSIVE_IDLE_ERR_COUNT)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
					{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
						hw->ffe_config_state =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
						    e1000_ffe_config_active;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
						ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
						    e1000_write_phy_reg(hw,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
									IGP01E1000_PHY_DSP_FFE,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
									IGP01E1000_PHY_DSP_FFE_CM_CP);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
						if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
							return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
						break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
					}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
					if (idle_errs)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
						ffe_idle_err_timeout =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
						    FFE_IDLE_ERR_COUNT_TIMEOUT_100;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
				}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
	} else {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
		if (hw->dsp_config_state == e1000_dsp_config_activated) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
			/* Save off the current value of register 0x2F5B to be restored at
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
			 * the end of the routines. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
			    e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
			/* Disable the PHY transmitter */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
			ret_val = e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
			mdelay(20);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
			ret_val = e1000_write_phy_reg(hw, 0x0000,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
						      IGP01E1000_IEEE_FORCE_GIGA);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
			for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
				ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
				    e1000_read_phy_reg(hw, dsp_reg_array[i],
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
						       &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
				if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
					return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
				phy_data &= ~IGP01E1000_PHY_EDAC_MU_INDEX;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
				phy_data |= IGP01E1000_PHY_EDAC_SIGN_EXT_9_BITS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
				ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
				    e1000_write_phy_reg(hw, dsp_reg_array[i],
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
							phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
				if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
					return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
			}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
			ret_val = e1000_write_phy_reg(hw, 0x0000,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
						      IGP01E1000_IEEE_RESTART_AUTONEG);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
			mdelay(20);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
			/* Now enable the transmitter */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
			    e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
			hw->dsp_config_state = e1000_dsp_config_enabled;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
		if (hw->ffe_config_state == e1000_ffe_config_active) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
			/* Save off the current value of register 0x2F5B to be restored at
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
			 * the end of the routines. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
			    e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
			/* Disable the PHY transmitter */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
			ret_val = e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
			mdelay(20);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
			ret_val = e1000_write_phy_reg(hw, 0x0000,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
						      IGP01E1000_IEEE_FORCE_GIGA);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
			    e1000_write_phy_reg(hw, IGP01E1000_PHY_DSP_FFE,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
						IGP01E1000_PHY_DSP_FFE_DEFAULT);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
			ret_val = e1000_write_phy_reg(hw, 0x0000,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
						      IGP01E1000_IEEE_RESTART_AUTONEG);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
			mdelay(20);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
			/* Now enable the transmitter */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
			    e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
			hw->ffe_config_state = e1000_ffe_config_enabled;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
 * e1000_set_phy_mode - Set PHY to class A mode
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
 * Assumes the following operations will follow to enable the new class mode.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
 *  1. Do a PHY soft reset
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
 *  2. Restart auto-negotiation or force link.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
static s32 e1000_set_phy_mode(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
	u16 eeprom_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
	e_dbg("e1000_set_phy_mode");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
	if ((hw->mac_type == e1000_82545_rev_3) &&
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
	    (hw->media_type == e1000_media_type_copper)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
		ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
		    e1000_read_eeprom(hw, EEPROM_PHY_CLASS_WORD, 1,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
				      &eeprom_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
		if (ret_val) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
		if ((eeprom_data != EEPROM_RESERVED_WORD) &&
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
		    (eeprom_data & EEPROM_PHY_CLASS_A)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
			    e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
						0x000B);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
			    e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
						0x8104);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
			hw->phy_reset_disable = false;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
 * e1000_set_d3_lplu_state - set d3 link power state
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
 * @active: true to enable lplu false to disable lplu.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
 * This function sets the lplu state according to the active flag.  When
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
 * activating lplu this function also disables smart speed and vise versa.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
 * lplu will not be activated unless the device autonegotiation advertisement
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
 * meets standards of either 10 or 10/100 or 10/100/1000 at all duplexes.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
 * returns: - E1000_ERR_PHY if fail to read/write the PHY
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
 *            E1000_SUCCESS at any other case.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
static s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
	u16 phy_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
	e_dbg("e1000_set_d3_lplu_state");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
	if (hw->phy_type != e1000_phy_igp)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
		return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
	/* During driver activity LPLU should not be used or it will attain link
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
	 * from the lowest speeds starting from 10Mbps. The capability is used for
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
	 * Dx transitions and states */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
	if (hw->mac_type == e1000_82541_rev_2
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
	    || hw->mac_type == e1000_82547_rev_2) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
		ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
		    e1000_read_phy_reg(hw, IGP01E1000_GMII_FIFO, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
	if (!active) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
		if (hw->mac_type == e1000_82541_rev_2 ||
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
		    hw->mac_type == e1000_82547_rev_2) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
			phy_data &= ~IGP01E1000_GMII_FLEX_SPD;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
			    e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
						phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
		/* LPLU and SmartSpeed are mutually exclusive.  LPLU is used during
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
		 * Dx states where the power conservation is most important.  During
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
		 * driver activity we should enable SmartSpeed, so performance is
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
		 * maintained. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
		if (hw->smart_speed == e1000_smart_speed_on) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
			    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
					       &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
			phy_data |= IGP01E1000_PSCFR_SMART_SPEED;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
			    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
						phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
		} else if (hw->smart_speed == e1000_smart_speed_off) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
			    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
					       &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5388
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5389
			phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5390
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5391
			    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5392
						phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5393
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5394
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5395
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5396
	} else if ((hw->autoneg_advertised == AUTONEG_ADVERTISE_SPEED_DEFAULT)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5397
		   || (hw->autoneg_advertised == AUTONEG_ADVERTISE_10_ALL)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5398
		   || (hw->autoneg_advertised ==
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5399
		       AUTONEG_ADVERTISE_10_100_ALL)) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5400
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5401
		if (hw->mac_type == e1000_82541_rev_2 ||
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5402
		    hw->mac_type == e1000_82547_rev_2) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5403
			phy_data |= IGP01E1000_GMII_FLEX_SPD;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5404
			ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5405
			    e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5406
						phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5407
			if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5408
				return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5409
		}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5410
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5411
		/* When LPLU is enabled we should disable SmartSpeed */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5412
		ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5413
		    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5414
				       &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5415
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5416
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5417
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5418
		phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5419
		ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5420
		    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5421
					phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5422
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5423
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5424
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5425
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5426
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5427
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5428
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5429
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5430
 * e1000_set_vco_speed
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5431
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5432
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5433
 * Change VCO speed register to improve Bit Error Rate performance of SERDES.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5434
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5435
static s32 e1000_set_vco_speed(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5436
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5437
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5438
	u16 default_page = 0;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5439
	u16 phy_data;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5440
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5441
	e_dbg("e1000_set_vco_speed");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5442
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5443
	switch (hw->mac_type) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5444
	case e1000_82545_rev_3:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5445
	case e1000_82546_rev_3:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5446
		break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5447
	default:
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5448
		return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5449
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5450
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5451
	/* Set PHY register 30, page 5, bit 8 to 0 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5452
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5453
	ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5454
	    e1000_read_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, &default_page);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5455
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5456
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5457
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5458
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0005);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5459
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5460
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5461
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5462
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5463
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5464
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5465
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5466
	phy_data &= ~M88E1000_PHY_VCO_REG_BIT8;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5467
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5468
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5469
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5470
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5471
	/* Set PHY register 30, page 4, bit 11 to 1 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5472
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5473
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0004);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5474
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5475
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5476
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5477
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, &phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5478
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5479
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5480
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5481
	phy_data |= M88E1000_PHY_VCO_REG_BIT11;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5482
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, phy_data);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5483
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5484
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5485
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5486
	ret_val =
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5487
	    e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, default_page);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5488
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5489
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5490
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5491
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5492
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5493
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5494
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5495
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5496
 * e1000_enable_mng_pass_thru - check for bmc pass through
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5497
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5498
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5499
 * Verifies the hardware needs to allow ARPs to be processed by the host
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5500
 * returns: - true/false
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5501
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5502
u32 e1000_enable_mng_pass_thru(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5503
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5504
	u32 manc;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5505
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5506
	if (hw->asf_firmware_present) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5507
		manc = er32(MANC);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5508
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5509
		if (!(manc & E1000_MANC_RCV_TCO_EN) ||
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5510
		    !(manc & E1000_MANC_EN_MAC_ADDR_FILTER))
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5511
			return false;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5512
		if ((manc & E1000_MANC_SMBUS_EN) && !(manc & E1000_MANC_ASF_EN))
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5513
			return true;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5514
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5515
	return false;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5516
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5517
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5518
static s32 e1000_polarity_reversal_workaround(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5519
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5520
	s32 ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5521
	u16 mii_status_reg;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5522
	u16 i;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5523
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5524
	/* Polarity reversal workaround for forced 10F/10H links. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5525
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5526
	/* Disable the transmitter on the PHY */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5527
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5528
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0019);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5529
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5530
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5531
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFFFF);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5532
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5533
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5534
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5535
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0000);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5536
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5537
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5538
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5539
	/* This loop will early-out if the NO link condition has been met. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5540
	for (i = PHY_FORCE_TIME; i > 0; i--) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5541
		/* Read the MII Status Register and wait for Link Status bit
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5542
		 * to be clear.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5543
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5544
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5545
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5546
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5547
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5548
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5549
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5550
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5551
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5552
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5553
		if ((mii_status_reg & ~MII_SR_LINK_STATUS) == 0)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5554
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5555
		mdelay(100);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5556
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5557
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5558
	/* Recommended delay time after link has been lost */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5559
	mdelay(1000);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5560
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5561
	/* Now we will re-enable th transmitter on the PHY */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5562
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5563
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0019);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5564
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5565
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5566
	mdelay(50);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5567
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFFF0);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5568
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5569
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5570
	mdelay(50);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5571
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFF00);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5572
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5573
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5574
	mdelay(50);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5575
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0x0000);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5576
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5577
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5578
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5579
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0000);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5580
	if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5581
		return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5582
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5583
	/* This loop will early-out if the link condition has been met. */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5584
	for (i = PHY_FORCE_TIME; i > 0; i--) {
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5585
		/* Read the MII Status Register and wait for Link Status bit
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5586
		 * to be set.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5587
		 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5588
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5589
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5590
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5591
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5592
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5593
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5594
		if (ret_val)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5595
			return ret_val;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5596
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5597
		if (mii_status_reg & MII_SR_LINK_STATUS)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5598
			break;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5599
		mdelay(100);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5600
	}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5601
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5602
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5603
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5604
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5605
 * e1000_get_auto_rd_done
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5606
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5607
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5608
 * Check for EEPROM Auto Read bit done.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5609
 * returns: - E1000_ERR_RESET if fail to reset MAC
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5610
 *            E1000_SUCCESS at any other case.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5611
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5612
static s32 e1000_get_auto_rd_done(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5613
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5614
	e_dbg("e1000_get_auto_rd_done");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5615
	msleep(5);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5616
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5617
}
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5618
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5619
/**
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5620
 * e1000_get_phy_cfg_done
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5621
 * @hw: Struct containing variables accessed by shared code
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5622
 *
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5623
 * Checks if the PHY configuration is done
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5624
 * returns: - E1000_ERR_RESET if fail to reset MAC
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5625
 *            E1000_SUCCESS at any other case.
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5626
 */
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5627
static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw)
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5628
{
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5629
	e_dbg("e1000_get_phy_cfg_done");
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5630
	mdelay(10);
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5631
	return E1000_SUCCESS;
9c0710c38627 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5632
}