devices/e1000/e1000_hw-3.0-orig.c
author Florian Pose <fp@igh-essen.com>
Fri, 16 Sep 2016 11:57:01 +0200
branchstable-1.5
changeset 2657 bb2163e6b145
parent 2386 6742f8751872
permissions -rw-r--r--
merge
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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.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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	case M88E1011_I_PHY_ID:
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	case M88E1111_I_PHY_ID:
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	case M88E1118_E_PHY_ID:
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		hw->phy_type = e1000_phy_m88;
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   129
		break;
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   130
	case IGP01E1000_I_PHY_ID:
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   131
		if (hw->mac_type == e1000_82541 ||
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   132
		    hw->mac_type == e1000_82541_rev_2 ||
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   133
		    hw->mac_type == e1000_82547 ||
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   134
		    hw->mac_type == e1000_82547_rev_2)
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   135
			hw->phy_type = e1000_phy_igp;
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   136
		break;
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   137
	case RTL8211B_PHY_ID:
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   138
		hw->phy_type = e1000_phy_8211;
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   139
		break;
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   140
	case RTL8201N_PHY_ID:
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   141
		hw->phy_type = e1000_phy_8201;
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   142
		break;
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   143
	default:
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   144
		/* Should never have loaded on this device */
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   145
		hw->phy_type = e1000_phy_undefined;
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   146
		return -E1000_ERR_PHY_TYPE;
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   147
	}
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   148
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   149
	return E1000_SUCCESS;
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   150
}
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   151
6742f8751872 Added e1000 driver for kernel 3.0.
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   152
/**
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   153
 * e1000_phy_init_script - IGP phy init script - initializes the GbE PHY
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   154
 * @hw: Struct containing variables accessed by shared code
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   155
 */
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   156
static void e1000_phy_init_script(struct e1000_hw *hw)
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   157
{
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   158
	u32 ret_val;
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   159
	u16 phy_saved_data;
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diff changeset
   160
6742f8751872 Added e1000 driver for kernel 3.0.
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   161
	e_dbg("e1000_phy_init_script");
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   162
6742f8751872 Added e1000 driver for kernel 3.0.
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   163
	if (hw->phy_init_script) {
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   164
		msleep(20);
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   165
6742f8751872 Added e1000 driver for kernel 3.0.
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   166
		/* Save off the current value of register 0x2F5B to be restored at
6742f8751872 Added e1000 driver for kernel 3.0.
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   167
		 * the end of this routine. */
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   168
		ret_val = e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   169
6742f8751872 Added e1000 driver for kernel 3.0.
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   170
		/* Disabled the PHY transmitter */
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   171
		e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
6742f8751872 Added e1000 driver for kernel 3.0.
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   172
		msleep(20);
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   173
6742f8751872 Added e1000 driver for kernel 3.0.
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   174
		e1000_write_phy_reg(hw, 0x0000, 0x0140);
6742f8751872 Added e1000 driver for kernel 3.0.
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   175
		msleep(5);
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   176
6742f8751872 Added e1000 driver for kernel 3.0.
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   177
		switch (hw->mac_type) {
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   178
		case e1000_82541:
6742f8751872 Added e1000 driver for kernel 3.0.
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   179
		case e1000_82547:
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   180
			e1000_write_phy_reg(hw, 0x1F95, 0x0001);
6742f8751872 Added e1000 driver for kernel 3.0.
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   181
			e1000_write_phy_reg(hw, 0x1F71, 0xBD21);
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   182
			e1000_write_phy_reg(hw, 0x1F79, 0x0018);
6742f8751872 Added e1000 driver for kernel 3.0.
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parents:
diff changeset
   183
			e1000_write_phy_reg(hw, 0x1F30, 0x1600);
6742f8751872 Added e1000 driver for kernel 3.0.
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parents:
diff changeset
   184
			e1000_write_phy_reg(hw, 0x1F31, 0x0014);
6742f8751872 Added e1000 driver for kernel 3.0.
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parents:
diff changeset
   185
			e1000_write_phy_reg(hw, 0x1F32, 0x161C);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   186
			e1000_write_phy_reg(hw, 0x1F94, 0x0003);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   187
			e1000_write_phy_reg(hw, 0x1F96, 0x003F);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   188
			e1000_write_phy_reg(hw, 0x2010, 0x0008);
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   189
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
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parents:
diff changeset
   190
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   191
		case e1000_82541_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
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parents:
diff changeset
   192
		case e1000_82547_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
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diff changeset
   193
			e1000_write_phy_reg(hw, 0x1F73, 0x0099);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   194
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   195
		default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   196
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   197
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   198
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   199
		e1000_write_phy_reg(hw, 0x0000, 0x3300);
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   200
		msleep(20);
6742f8751872 Added e1000 driver for kernel 3.0.
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parents:
diff changeset
   201
6742f8751872 Added e1000 driver for kernel 3.0.
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   202
		/* Now enable the transmitter */
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   203
		e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
6742f8751872 Added e1000 driver for kernel 3.0.
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parents:
diff changeset
   204
6742f8751872 Added e1000 driver for kernel 3.0.
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parents:
diff changeset
   205
		if (hw->mac_type == e1000_82547) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   206
			u16 fused, fine, coarse;
6742f8751872 Added e1000 driver for kernel 3.0.
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parents:
diff changeset
   207
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   208
			/* Move to analog registers page */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   209
			e1000_read_phy_reg(hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   210
					   IGP01E1000_ANALOG_SPARE_FUSE_STATUS,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   211
					   &fused);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   212
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   213
			if (!(fused & IGP01E1000_ANALOG_SPARE_FUSE_ENABLED)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   214
				e1000_read_phy_reg(hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   215
						   IGP01E1000_ANALOG_FUSE_STATUS,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   216
						   &fused);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   217
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   218
				fine = fused & IGP01E1000_ANALOG_FUSE_FINE_MASK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   219
				coarse =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   220
				    fused & IGP01E1000_ANALOG_FUSE_COARSE_MASK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   222
				if (coarse >
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   223
				    IGP01E1000_ANALOG_FUSE_COARSE_THRESH) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   224
					coarse -=
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
					    IGP01E1000_ANALOG_FUSE_COARSE_10;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   226
					fine -= IGP01E1000_ANALOG_FUSE_FINE_1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   227
				} else if (coarse ==
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   228
					   IGP01E1000_ANALOG_FUSE_COARSE_THRESH)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   229
					fine -= IGP01E1000_ANALOG_FUSE_FINE_10;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   230
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   231
				fused =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   232
				    (fused & IGP01E1000_ANALOG_FUSE_POLY_MASK) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   233
				    (fine & IGP01E1000_ANALOG_FUSE_FINE_MASK) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
				    (coarse &
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
				     IGP01E1000_ANALOG_FUSE_COARSE_MASK);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   237
				e1000_write_phy_reg(hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   238
						    IGP01E1000_ANALOG_FUSE_CONTROL,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
						    fused);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   240
				e1000_write_phy_reg(hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
						    IGP01E1000_ANALOG_FUSE_BYPASS,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   242
						    IGP01E1000_ANALOG_FUSE_ENABLE_SW_CONTROL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   247
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   248
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   249
 * e1000_set_mac_type - Set the mac type member in the hw struct.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   250
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
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parents:
diff changeset
   251
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   252
s32 e1000_set_mac_type(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
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parents:
diff changeset
   253
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
	e_dbg("e1000_set_mac_type");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   255
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
	switch (hw->device_id) {
6742f8751872 Added e1000 driver for kernel 3.0.
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parents:
diff changeset
   257
	case E1000_DEV_ID_82542:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
		switch (hw->revision_id) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
		case E1000_82542_2_0_REV_ID:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
			hw->mac_type = e1000_82542_rev2_0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
		case E1000_82542_2_1_REV_ID:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
			hw->mac_type = e1000_82542_rev2_1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
		default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
			/* Invalid 82542 revision ID */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
			return -E1000_ERR_MAC_TYPE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
	case E1000_DEV_ID_82543GC_FIBER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
	case E1000_DEV_ID_82543GC_COPPER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
		hw->mac_type = e1000_82543;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
	case E1000_DEV_ID_82544EI_COPPER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
	case E1000_DEV_ID_82544EI_FIBER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
	case E1000_DEV_ID_82544GC_COPPER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
	case E1000_DEV_ID_82544GC_LOM:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
		hw->mac_type = e1000_82544;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
	case E1000_DEV_ID_82540EM:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
	case E1000_DEV_ID_82540EM_LOM:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
	case E1000_DEV_ID_82540EP:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
	case E1000_DEV_ID_82540EP_LOM:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
	case E1000_DEV_ID_82540EP_LP:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
		hw->mac_type = e1000_82540;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
	case E1000_DEV_ID_82545EM_COPPER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
	case E1000_DEV_ID_82545EM_FIBER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
		hw->mac_type = e1000_82545;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
	case E1000_DEV_ID_82545GM_COPPER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
	case E1000_DEV_ID_82545GM_FIBER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
	case E1000_DEV_ID_82545GM_SERDES:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
		hw->mac_type = e1000_82545_rev_3;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
	case E1000_DEV_ID_82546EB_COPPER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
	case E1000_DEV_ID_82546EB_FIBER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
		hw->mac_type = e1000_82546;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
	case E1000_DEV_ID_82546GB_COPPER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
	case E1000_DEV_ID_82546GB_FIBER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
	case E1000_DEV_ID_82546GB_SERDES:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
	case E1000_DEV_ID_82546GB_PCIE:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
	case E1000_DEV_ID_82546GB_QUAD_COPPER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
		hw->mac_type = e1000_82546_rev_3;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
	case E1000_DEV_ID_82541EI:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
	case E1000_DEV_ID_82541EI_MOBILE:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
	case E1000_DEV_ID_82541ER_LOM:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
		hw->mac_type = e1000_82541;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
	case E1000_DEV_ID_82541ER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
	case E1000_DEV_ID_82541GI:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
	case E1000_DEV_ID_82541GI_LF:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
	case E1000_DEV_ID_82541GI_MOBILE:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
		hw->mac_type = e1000_82541_rev_2;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
	case E1000_DEV_ID_82547EI:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
	case E1000_DEV_ID_82547EI_MOBILE:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
		hw->mac_type = e1000_82547;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
	case E1000_DEV_ID_82547GI:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
		hw->mac_type = e1000_82547_rev_2;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
	case E1000_DEV_ID_INTEL_CE4100_GBE:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
		hw->mac_type = e1000_ce4100;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
		/* Should never have loaded on this device */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
		return -E1000_ERR_MAC_TYPE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
	case e1000_82541:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
	case e1000_82547:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
	case e1000_82541_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
	case e1000_82547_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
		hw->asf_firmware_present = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
	/* The 82543 chip does not count tx_carrier_errors properly in
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
	 * FD mode
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
	if (hw->mac_type == e1000_82543)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
		hw->bad_tx_carr_stats_fd = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
	if (hw->mac_type > e1000_82544)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
		hw->has_smbus = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
 * e1000_set_media_type - Set media type and TBI compatibility.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
void e1000_set_media_type(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
	u32 status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
	e_dbg("e1000_set_media_type");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
	if (hw->mac_type != e1000_82543) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
		/* tbi_compatibility is only valid on 82543 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
		hw->tbi_compatibility_en = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
	switch (hw->device_id) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
	case E1000_DEV_ID_82545GM_SERDES:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
	case E1000_DEV_ID_82546GB_SERDES:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
		hw->media_type = e1000_media_type_internal_serdes;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
		switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
		case e1000_82542_rev2_0:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
		case e1000_82542_rev2_1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
			hw->media_type = e1000_media_type_fiber;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
		case e1000_ce4100:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
			hw->media_type = e1000_media_type_copper;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
		default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
			status = er32(STATUS);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
			if (status & E1000_STATUS_TBIMODE) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
				hw->media_type = e1000_media_type_fiber;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
				/* tbi_compatibility not valid on fiber */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
				hw->tbi_compatibility_en = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
			} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
				hw->media_type = e1000_media_type_copper;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
 * e1000_reset_hw: reset the hardware completely
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
 * Reset the transmit and receive units; mask and clear all interrupts.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
s32 e1000_reset_hw(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
	u32 ctrl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
	u32 ctrl_ext;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
	u32 icr;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
	u32 manc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
	u32 led_ctrl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
	e_dbg("e1000_reset_hw");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
	/* For 82542 (rev 2.0), disable MWI before issuing a device reset */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
	if (hw->mac_type == e1000_82542_rev2_0) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
		e_dbg("Disabling MWI on 82542 rev 2.0\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
		e1000_pci_clear_mwi(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
	/* Clear interrupt mask to stop board from generating interrupts */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
	e_dbg("Masking off all interrupts\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
	ew32(IMC, 0xffffffff);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
	/* Disable the Transmit and Receive units.  Then delay to allow
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
	 * any pending transactions to complete before we hit the MAC with
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
	 * the global reset.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
	ew32(RCTL, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
	ew32(TCTL, E1000_TCTL_PSP);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
	E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
	/* The tbi_compatibility_on Flag must be cleared when Rctl is cleared. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
	hw->tbi_compatibility_on = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
	/* Delay to allow any outstanding PCI transactions to complete before
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
	 * resetting the device
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
	msleep(10);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
	ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
	/* Must reset the PHY before resetting the MAC */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
	if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
		ew32(CTRL, (ctrl | E1000_CTRL_PHY_RST));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
		msleep(5);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
	/* Issue a global reset to the MAC.  This will reset the chip's
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
	 * transmit, receive, DMA, and link units.  It will not effect
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
	 * the current PCI configuration.  The global reset bit is self-
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
	 * clearing, and should clear within a microsecond.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
	e_dbg("Issuing a global reset to MAC\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
	case e1000_82544:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
	case e1000_82540:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
	case e1000_82545:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
	case e1000_82546:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
	case e1000_82541:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
	case e1000_82541_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
		/* These controllers can't ack the 64-bit write when issuing the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
		 * reset, so use IO-mapping as a workaround to issue the reset */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
		E1000_WRITE_REG_IO(hw, CTRL, (ctrl | E1000_CTRL_RST));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
	case e1000_82545_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
	case e1000_82546_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
		/* Reset is performed on a shadow of the control register */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
		ew32(CTRL_DUP, (ctrl | E1000_CTRL_RST));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
	case e1000_ce4100:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
		ew32(CTRL, (ctrl | E1000_CTRL_RST));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
	/* After MAC reset, force reload of EEPROM to restore power-on settings to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
	 * device.  Later controllers reload the EEPROM automatically, so just wait
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
	 * for reload to complete.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
	case e1000_82542_rev2_0:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
	case e1000_82542_rev2_1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
	case e1000_82543:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
	case e1000_82544:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
		/* Wait for reset to complete */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
		udelay(10);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
		ctrl_ext = er32(CTRL_EXT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
		ctrl_ext |= E1000_CTRL_EXT_EE_RST;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
		ew32(CTRL_EXT, ctrl_ext);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
		/* Wait for EEPROM reload */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
		msleep(2);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
	case e1000_82541:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
	case e1000_82541_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
	case e1000_82547:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
	case e1000_82547_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
		/* Wait for EEPROM reload */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
		msleep(20);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
		/* Auto read done will delay 5ms or poll based on mac type */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
		ret_val = e1000_get_auto_rd_done(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
	/* Disable HW ARPs on ASF enabled adapters */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
	if (hw->mac_type >= e1000_82540) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
		manc = er32(MANC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
		manc &= ~(E1000_MANC_ARP_EN);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
		ew32(MANC, manc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
	if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
		e1000_phy_init_script(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
		/* Configure activity LED after PHY reset */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
		led_ctrl = er32(LEDCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
		led_ctrl &= IGP_ACTIVITY_LED_MASK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
		led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
		ew32(LEDCTL, led_ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
	/* Clear interrupt mask to stop board from generating interrupts */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
	e_dbg("Masking off all interrupts\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
	ew32(IMC, 0xffffffff);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
	/* Clear any pending interrupt events. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
	icr = er32(ICR);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
	/* If MWI was previously enabled, reenable it. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
	if (hw->mac_type == e1000_82542_rev2_0) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
		if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
			e1000_pci_set_mwi(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
 * e1000_init_hw: Performs basic configuration of the adapter.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
 * Assumes that the controller has previously been reset and is in a
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
 * post-reset uninitialized state. Initializes the receive address registers,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
 * multicast table, and VLAN filter table. Calls routines to setup link
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
 * configuration and flow control settings. Clears all on-chip counters. Leaves
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
 * the transmit and receive units disabled and uninitialized.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
s32 e1000_init_hw(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
	u32 ctrl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
	u32 i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
	u32 mta_size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
	u32 ctrl_ext;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
	e_dbg("e1000_init_hw");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
	/* Initialize Identification LED */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
	ret_val = e1000_id_led_init(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
	if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
		e_dbg("Error Initializing Identification LED\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
	/* Set the media type and TBI compatibility */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	e1000_set_media_type(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
	/* Disabling VLAN filtering. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	e_dbg("Initializing the IEEE VLAN\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	if (hw->mac_type < e1000_82545_rev_3)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
		ew32(VET, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	e1000_clear_vfta(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
	/* For 82542 (rev 2.0), disable MWI and put the receiver into reset */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
	if (hw->mac_type == e1000_82542_rev2_0) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
		e_dbg("Disabling MWI on 82542 rev 2.0\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
		e1000_pci_clear_mwi(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
		ew32(RCTL, E1000_RCTL_RST);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
		msleep(5);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
	/* Setup the receive address. This involves initializing all of the Receive
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
	 * Address Registers (RARs 0 - 15).
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
	e1000_init_rx_addrs(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	/* For 82542 (rev 2.0), take the receiver out of reset and enable MWI */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
	if (hw->mac_type == e1000_82542_rev2_0) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
		ew32(RCTL, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
		msleep(1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
		if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
			e1000_pci_set_mwi(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
	/* Zero out the Multicast HASH table */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
	e_dbg("Zeroing the MTA\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	mta_size = E1000_MC_TBL_SIZE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
	for (i = 0; i < mta_size; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
		E1000_WRITE_REG_ARRAY(hw, MTA, i, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
		/* use write flush to prevent Memory Write Block (MWB) from
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
		 * occurring when accessing our register space */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
	/* Set the PCI priority bit correctly in the CTRL register.  This
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
	 * determines if the adapter gives priority to receives, or if it
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	 * gives equal priority to transmits and receives.  Valid only on
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
	 * 82542 and 82543 silicon.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
	if (hw->dma_fairness && hw->mac_type <= e1000_82543) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
		ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
		ew32(CTRL, ctrl | E1000_CTRL_PRIOR);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
	case e1000_82545_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
	case e1000_82546_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
		/* Workaround for PCI-X problem when BIOS sets MMRBC incorrectly. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
		if (hw->bus_type == e1000_bus_type_pcix
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
		    && e1000_pcix_get_mmrbc(hw) > 2048)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
			e1000_pcix_set_mmrbc(hw, 2048);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	/* Call a subroutine to configure the link and setup flow control. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
	ret_val = e1000_setup_link(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
	/* Set the transmit descriptor write-back policy */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
	if (hw->mac_type > e1000_82544) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
		ctrl = er32(TXDCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
		ctrl =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
		    (ctrl & ~E1000_TXDCTL_WTHRESH) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
		    E1000_TXDCTL_FULL_TX_DESC_WB;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
		ew32(TXDCTL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
	/* Clear all of the statistics registers (clear on read).  It is
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
	 * important that we do this after we have tried to establish link
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
	 * because the symbol error count will increment wildly if there
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
	 * is no link.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
	e1000_clear_hw_cntrs(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
	if (hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
	    hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
		ctrl_ext = er32(CTRL_EXT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
		/* Relaxed ordering must be disabled to avoid a parity
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
		 * error crash in a PCI slot. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
		ctrl_ext |= E1000_CTRL_EXT_RO_DIS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
		ew32(CTRL_EXT, ctrl_ext);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
	return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
 * e1000_adjust_serdes_amplitude - Adjust SERDES output amplitude based on EEPROM setting.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
 * @hw: Struct containing variables accessed by shared code.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
static s32 e1000_adjust_serdes_amplitude(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
	u16 eeprom_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
	e_dbg("e1000_adjust_serdes_amplitude");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
	if (hw->media_type != e1000_media_type_internal_serdes)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
		return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	case e1000_82545_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
	case e1000_82546_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
		return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	ret_val = e1000_read_eeprom(hw, EEPROM_SERDES_AMPLITUDE, 1,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
	                            &eeprom_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
	if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
	if (eeprom_data != EEPROM_RESERVED_WORD) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
		/* Adjust SERDES output amplitude only. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
		eeprom_data &= EEPROM_SERDES_AMPLITUDE_MASK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
		    e1000_write_phy_reg(hw, M88E1000_PHY_EXT_CTRL, eeprom_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
 * e1000_setup_link - Configures flow control and link settings.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
 * Determines which flow control settings to use. Calls the appropriate media-
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
 * specific link configuration function. Configures the flow control settings.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
 * Assuming the adapter has a valid link partner, a valid link should be
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
 * established. Assumes the hardware has previously been reset and the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
 * transmitter and receiver are not enabled.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
s32 e1000_setup_link(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
	u32 ctrl_ext;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
	u16 eeprom_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
	e_dbg("e1000_setup_link");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
	/* Read and store word 0x0F of the EEPROM. This word contains bits
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	 * that determine the hardware's default PAUSE (flow control) mode,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	 * a bit that determines whether the HW defaults to enabling or
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
	 * disabling auto-negotiation, and the direction of the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
	 * SW defined pins. If there is no SW over-ride of the flow
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	 * control setting, then the variable hw->fc will
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
	 * be initialized based on a value in the EEPROM.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
	if (hw->fc == E1000_FC_DEFAULT) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
		ret_val = e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
					    1, &eeprom_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
		if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
			e_dbg("EEPROM Read Error\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
			return -E1000_ERR_EEPROM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
		if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == 0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
			hw->fc = E1000_FC_NONE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
		else if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) ==
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
			 EEPROM_WORD0F_ASM_DIR)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
			hw->fc = E1000_FC_TX_PAUSE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
		else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
			hw->fc = E1000_FC_FULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
	/* We want to save off the original Flow Control configuration just
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
	 * in case we get disconnected and then reconnected into a different
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
	 * hub or switch with different Flow Control capabilities.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	if (hw->mac_type == e1000_82542_rev2_0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
		hw->fc &= (~E1000_FC_TX_PAUSE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
	if ((hw->mac_type < e1000_82543) && (hw->report_tx_early == 1))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
		hw->fc &= (~E1000_FC_RX_PAUSE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
	hw->original_fc = hw->fc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
	e_dbg("After fix-ups FlowControl is now = %x\n", hw->fc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
	/* Take the 4 bits from EEPROM word 0x0F that determine the initial
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
	 * polarity value for the SW controlled pins, and setup the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
	 * Extended Device Control reg with that info.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
	 * This is needed because one of the SW controlled pins is used for
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
	 * signal detection.  So this should be done before e1000_setup_pcs_link()
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
	 * or e1000_phy_setup() is called.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
	if (hw->mac_type == e1000_82543) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
		ret_val = e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
					    1, &eeprom_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
		if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
			e_dbg("EEPROM Read Error\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
			return -E1000_ERR_EEPROM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
		ctrl_ext = ((eeprom_data & EEPROM_WORD0F_SWPDIO_EXT) <<
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
			    SWDPIO__EXT_SHIFT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
		ew32(CTRL_EXT, ctrl_ext);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
	/* Call the necessary subroutine to configure the link. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
	ret_val = (hw->media_type == e1000_media_type_copper) ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
	    e1000_setup_copper_link(hw) : e1000_setup_fiber_serdes_link(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
	/* Initialize the flow control address, type, and PAUSE timer
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
	 * registers to their default values.  This is done even if flow
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
	 * control is disabled, because it does not hurt anything to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
	 * initialize these registers.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	e_dbg("Initializing the Flow Control address, type and timer regs\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
	ew32(FCT, FLOW_CONTROL_TYPE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
	ew32(FCAH, FLOW_CONTROL_ADDRESS_HIGH);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	ew32(FCAL, FLOW_CONTROL_ADDRESS_LOW);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
	ew32(FCTTV, hw->fc_pause_time);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
	/* Set the flow control receive threshold registers.  Normally,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
	 * these registers will be set to a default threshold that may be
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
	 * adjusted later by the driver's runtime code.  However, if the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
	 * ability to transmit pause frames in not enabled, then these
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
	 * registers will be set to 0.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
	if (!(hw->fc & E1000_FC_TX_PAUSE)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
		ew32(FCRTL, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
		ew32(FCRTH, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
		/* We need to set up the Receive Threshold high and low water marks
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
		 * as well as (optionally) enabling the transmission of XON frames.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
		if (hw->fc_send_xon) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
			ew32(FCRTL, (hw->fc_low_water | E1000_FCRTL_XONE));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
			ew32(FCRTH, hw->fc_high_water);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
			ew32(FCRTL, hw->fc_low_water);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
			ew32(FCRTH, hw->fc_high_water);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
	return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
 * e1000_setup_fiber_serdes_link - prepare fiber or serdes link
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
 * Manipulates Physical Coding Sublayer functions in order to configure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
 * link. Assumes the hardware has been previously reset and the transmitter
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
 * and receiver are not enabled.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
static s32 e1000_setup_fiber_serdes_link(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
	u32 ctrl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
	u32 status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
	u32 txcw = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
	u32 i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
	u32 signal = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
	e_dbg("e1000_setup_fiber_serdes_link");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
	/* On adapters with a MAC newer than 82544, SWDP 1 will be
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
	 * set when the optics detect a signal. On older adapters, it will be
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
	 * cleared when there is a signal.  This applies to fiber media only.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
	 * If we're on serdes media, adjust the output amplitude to value
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
	 * set in the EEPROM.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
	ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
	if (hw->media_type == e1000_media_type_fiber)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
		signal = (hw->mac_type > e1000_82544) ? E1000_CTRL_SWDPIN1 : 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
	ret_val = e1000_adjust_serdes_amplitude(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
	/* Take the link out of reset */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
	ctrl &= ~(E1000_CTRL_LRST);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
	/* Adjust VCO speed to improve BER performance */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
	ret_val = e1000_set_vco_speed(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
	e1000_config_collision_dist(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
	/* Check for a software override of the flow control settings, and setup
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
	 * the device accordingly.  If auto-negotiation is enabled, then software
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
	 * will have to set the "PAUSE" bits to the correct value in the Tranmsit
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
	 * Config Word Register (TXCW) and re-start auto-negotiation.  However, if
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
	 * auto-negotiation is disabled, then software will have to manually
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
	 * configure the two flow control enable bits in the CTRL register.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
	 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	 * The possible values of the "fc" parameter are:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
	 *      0:  Flow control is completely disabled
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
	 *      1:  Rx flow control is enabled (we can receive pause frames, but
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
	 *          not send pause frames).
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
	 *      2:  Tx flow control is enabled (we can send pause frames but we do
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
	 *          not support receiving pause frames).
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	 *      3:  Both Rx and TX flow control (symmetric) are enabled.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
	switch (hw->fc) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
	case E1000_FC_NONE:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
		/* Flow control is completely disabled by a software over-ride. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
	case E1000_FC_RX_PAUSE:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
		/* RX Flow control is enabled and TX Flow control is disabled by a
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
		 * software over-ride. Since there really isn't a way to advertise
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
		 * that we are capable of RX Pause ONLY, we will advertise that we
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
		 * support both symmetric and asymmetric RX PAUSE. Later, we will
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
		 *  disable the adapter's ability to send PAUSE frames.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
	case E1000_FC_TX_PAUSE:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
		/* TX Flow control is enabled, and RX Flow control is disabled, by a
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
		 * software over-ride.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_ASM_DIR);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
	case E1000_FC_FULL:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
		/* Flow control (both RX and TX) is enabled by a software over-ride. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
		e_dbg("Flow control param set incorrectly\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
		return -E1000_ERR_CONFIG;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
	/* Since auto-negotiation is enabled, take the link out of reset (the link
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
	 * will be in reset, because we previously reset the chip). This will
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
	 * restart auto-negotiation.  If auto-negotiation is successful then the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
	 * link-up status bit will be set and the flow control enable bits (RFCE
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
	 * and TFCE) will be set according to their negotiated value.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
	e_dbg("Auto-negotiation enabled\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
	ew32(TXCW, txcw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	ew32(CTRL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
	E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
	hw->txcw = txcw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
	msleep(1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
	/* If we have a signal (the cable is plugged in) then poll for a "Link-Up"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
	 * indication in the Device Status Register.  Time-out if a link isn't
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
	 * seen in 500 milliseconds seconds (Auto-negotiation should complete in
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
	 * less than 500 milliseconds even if the other end is doing it in SW).
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	 * For internal serdes, we just assume a signal is present, then poll.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
	if (hw->media_type == e1000_media_type_internal_serdes ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
	    (er32(CTRL) & E1000_CTRL_SWDPIN1) == signal) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
		e_dbg("Looking for Link\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
		for (i = 0; i < (LINK_UP_TIMEOUT / 10); i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
			msleep(10);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
			status = er32(STATUS);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
			if (status & E1000_STATUS_LU)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
		if (i == (LINK_UP_TIMEOUT / 10)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
			e_dbg("Never got a valid link from auto-neg!!!\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
			hw->autoneg_failed = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
			/* AutoNeg failed to achieve a link, so we'll call
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
			 * e1000_check_for_link. This routine will force the link up if
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
			 * we detect a signal. This will allow us to communicate with
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
			 * non-autonegotiating link partners.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
			 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
			ret_val = e1000_check_for_link(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
			if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
				e_dbg("Error while checking for link\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
			hw->autoneg_failed = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
			hw->autoneg_failed = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
			e_dbg("Valid Link Found\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
		e_dbg("No Signal Detected\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
 * e1000_copper_link_rtl_setup - Copper link setup for e1000_phy_rtl series.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
 * Commits changes to PHY configuration by calling e1000_phy_reset().
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
static s32 e1000_copper_link_rtl_setup(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
	/* SW reset the PHY so all changes take effect */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
	ret_val = e1000_phy_reset(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
	if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
		e_dbg("Error Resetting the PHY\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
static s32 gbe_dhg_phy_setup(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
	u32 ctrl_aux;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
	switch (hw->phy_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
	case e1000_phy_8211:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
		ret_val = e1000_copper_link_rtl_setup(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
		if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
			e_dbg("e1000_copper_link_rtl_setup failed!\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
	case e1000_phy_8201:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
		/* Set RMII mode */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
		ctrl_aux = er32(CTL_AUX);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
		ctrl_aux |= E1000_CTL_AUX_RMII;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
		ew32(CTL_AUX, ctrl_aux);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
		/* Disable the J/K bits required for receive */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
		ctrl_aux = er32(CTL_AUX);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
		ctrl_aux |= 0x4;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
		ctrl_aux &= ~0x2;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
		ew32(CTL_AUX, ctrl_aux);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
		ret_val = e1000_copper_link_rtl_setup(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
		if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
			e_dbg("e1000_copper_link_rtl_setup failed!\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
		e_dbg("Error Resetting the PHY\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
		return E1000_ERR_PHY_TYPE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
 * e1000_copper_link_preconfig - early configuration for copper
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
 * Make sure we have a valid PHY and change PHY mode before link setup.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
static s32 e1000_copper_link_preconfig(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
	u32 ctrl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
	u16 phy_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
	e_dbg("e1000_copper_link_preconfig");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
	ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
	/* With 82543, we need to force speed and duplex on the MAC equal to what
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
	 * the PHY speed and duplex configuration is. In addition, we need to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	 * perform a hardware reset on the PHY to take it out of reset.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
	if (hw->mac_type > e1000_82543) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
		ctrl |= E1000_CTRL_SLU;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
		ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
		ew32(CTRL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
		ctrl |=
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
		    (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX | E1000_CTRL_SLU);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
		ew32(CTRL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
		ret_val = e1000_phy_hw_reset(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
	/* Make sure we have a valid PHY */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
	ret_val = e1000_detect_gig_phy(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
	if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
		e_dbg("Error, did not detect valid phy.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
	e_dbg("Phy ID = %x\n", hw->phy_id);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
	/* Set PHY to class A mode (if necessary) */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	ret_val = e1000_set_phy_mode(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
	if ((hw->mac_type == e1000_82545_rev_3) ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
	    (hw->mac_type == e1000_82546_rev_3)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
		ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
		    e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
		phy_data |= 0x00000008;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
		ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
		    e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
	if (hw->mac_type <= e1000_82543 ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	    hw->mac_type == e1000_82541 || hw->mac_type == e1000_82547 ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	    hw->mac_type == e1000_82541_rev_2
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
	    || hw->mac_type == e1000_82547_rev_2)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
		hw->phy_reset_disable = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
 * e1000_copper_link_igp_setup - Copper link setup for e1000_phy_igp series.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
static s32 e1000_copper_link_igp_setup(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	u32 led_ctrl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
	u16 phy_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
	e_dbg("e1000_copper_link_igp_setup");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
	if (hw->phy_reset_disable)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
		return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
	ret_val = e1000_phy_reset(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
	if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
		e_dbg("Error Resetting the PHY\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	/* Wait 15ms for MAC to configure PHY from eeprom settings */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	msleep(15);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	/* Configure activity LED after PHY reset */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
	led_ctrl = er32(LEDCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	led_ctrl &= IGP_ACTIVITY_LED_MASK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
	ew32(LEDCTL, led_ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
	/* The NVM settings will configure LPLU in D3 for IGP2 and IGP3 PHYs */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
	if (hw->phy_type == e1000_phy_igp) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
		/* disable lplu d3 during driver init */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
		ret_val = e1000_set_d3_lplu_state(hw, false);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
		if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
			e_dbg("Error Disabling LPLU D3\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
	/* Configure mdi-mdix settings */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
	ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
	if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
		hw->dsp_config_state = e1000_dsp_config_disabled;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
		/* Force MDI for earlier revs of the IGP PHY */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
		phy_data &=
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
		    ~(IGP01E1000_PSCR_AUTO_MDIX |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
		      IGP01E1000_PSCR_FORCE_MDI_MDIX);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
		hw->mdix = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
		hw->dsp_config_state = e1000_dsp_config_enabled;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
		phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
		switch (hw->mdix) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
		case 1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
			phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
		case 2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
			phy_data |= IGP01E1000_PSCR_FORCE_MDI_MDIX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
		case 0:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
		default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
			phy_data |= IGP01E1000_PSCR_AUTO_MDIX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
	ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
	/* set auto-master slave resolution settings */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
	if (hw->autoneg) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
		e1000_ms_type phy_ms_setting = hw->master_slave;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
		if (hw->ffe_config_state == e1000_ffe_config_active)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
			hw->ffe_config_state = e1000_ffe_config_enabled;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
		if (hw->dsp_config_state == e1000_dsp_config_activated)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
			hw->dsp_config_state = e1000_dsp_config_enabled;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
		/* when autonegotiation advertisement is only 1000Mbps then we
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
		 * should disable SmartSpeed and enable Auto MasterSlave
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
		 * resolution as hardware default. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
		if (hw->autoneg_advertised == ADVERTISE_1000_FULL) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
			/* Disable SmartSpeed */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
			    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
					       &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
			phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
			    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
						phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
			/* Set auto Master/Slave resolution process */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
			    e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
			phy_data &= ~CR_1000T_MS_ENABLE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
			    e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
		ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
		/* load defaults for future use */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
		hw->original_master_slave = (phy_data & CR_1000T_MS_ENABLE) ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
		    ((phy_data & CR_1000T_MS_VALUE) ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
		     e1000_ms_force_master :
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
		     e1000_ms_force_slave) : e1000_ms_auto;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
		switch (phy_ms_setting) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
		case e1000_ms_force_master:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
			phy_data |= (CR_1000T_MS_ENABLE | CR_1000T_MS_VALUE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
		case e1000_ms_force_slave:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
			phy_data |= CR_1000T_MS_ENABLE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
			phy_data &= ~(CR_1000T_MS_VALUE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
		case e1000_ms_auto:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
			phy_data &= ~CR_1000T_MS_ENABLE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
		default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
		ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
 * e1000_copper_link_mgp_setup - Copper link setup for e1000_phy_m88 series.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
static s32 e1000_copper_link_mgp_setup(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
	u16 phy_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
	e_dbg("e1000_copper_link_mgp_setup");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
	if (hw->phy_reset_disable)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
		return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
	/* Enable CRS on TX. This must be set for half-duplex operation. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
	phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
	/* Options:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
	 *   MDI/MDI-X = 0 (default)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
	 *   0 - Auto for all speeds
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	 *   1 - MDI mode
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
	 *   2 - MDI-X mode
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
	 *   3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
	phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
	switch (hw->mdix) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
	case 1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
		phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
	case 2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
		phy_data |= M88E1000_PSCR_MDIX_MANUAL_MODE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
	case 3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
		phy_data |= M88E1000_PSCR_AUTO_X_1000T;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
	case 0:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
		phy_data |= M88E1000_PSCR_AUTO_X_MODE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
	/* Options:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
	 *   disable_polarity_correction = 0 (default)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
	 *       Automatic Correction for Reversed Cable Polarity
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	 *   0 - Disabled
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
	 *   1 - Enabled
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
	phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
	if (hw->disable_polarity_correction == 1)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
		phy_data |= M88E1000_PSCR_POLARITY_REVERSAL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
	if (hw->phy_revision < M88E1011_I_REV_4) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
		/* Force TX_CLK in the Extended PHY Specific Control Register
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
		 * to 25MHz clock.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
		ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
		    e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
				       &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
		phy_data |= M88E1000_EPSCR_TX_CLK_25;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
		if ((hw->phy_revision == E1000_REVISION_2) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
		    (hw->phy_id == M88E1111_I_PHY_ID)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
			/* Vidalia Phy, set the downshift counter to 5x */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
			phy_data &= ~(M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
			phy_data |= M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
			ret_val = e1000_write_phy_reg(hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
						      M88E1000_EXT_PHY_SPEC_CTRL,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
						      phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
			/* Configure Master and Slave downshift values */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
			phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
				      M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
			phy_data |= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
				     M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
			ret_val = e1000_write_phy_reg(hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
						      M88E1000_EXT_PHY_SPEC_CTRL,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
						      phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
	/* SW Reset the PHY so all changes take effect */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
	ret_val = e1000_phy_reset(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
	if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
		e_dbg("Error Resetting the PHY\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
 * e1000_copper_link_autoneg - setup auto-neg
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
 * Setup auto-negotiation and flow control advertisements,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
 * and then perform auto-negotiation.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
static s32 e1000_copper_link_autoneg(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
	u16 phy_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
	e_dbg("e1000_copper_link_autoneg");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
	/* Perform some bounds checking on the hw->autoneg_advertised
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
	 * parameter.  If this variable is zero, then set it to the default.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
	hw->autoneg_advertised &= AUTONEG_ADVERTISE_SPEED_DEFAULT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
	/* If autoneg_advertised is zero, we assume it was not defaulted
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
	 * by the calling code so we set to advertise full capability.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
	if (hw->autoneg_advertised == 0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
		hw->autoneg_advertised = AUTONEG_ADVERTISE_SPEED_DEFAULT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
	/* IFE/RTL8201N PHY only supports 10/100 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
	if (hw->phy_type == e1000_phy_8201)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
		hw->autoneg_advertised &= AUTONEG_ADVERTISE_10_100_ALL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
	e_dbg("Reconfiguring auto-neg advertisement params\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
	ret_val = e1000_phy_setup_autoneg(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
	if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
		e_dbg("Error Setting up Auto-Negotiation\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
	e_dbg("Restarting Auto-Neg\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
	/* Restart auto-negotiation by setting the Auto Neg Enable bit and
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
	 * the Auto Neg Restart bit in the PHY control register.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
	phy_data |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
	ret_val = e1000_write_phy_reg(hw, PHY_CTRL, phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
	/* Does the user want to wait for Auto-Neg to complete here, or
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
	 * check at a later time (for example, callback routine).
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	if (hw->wait_autoneg_complete) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
		ret_val = e1000_wait_autoneg(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
		if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
			e_dbg
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
			    ("Error while waiting for autoneg to complete\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
	hw->get_link_status = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
 * e1000_copper_link_postconfig - post link setup
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
 * Config the MAC and the PHY after link is up.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
 *   1) Set up the MAC to the current PHY speed/duplex
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
 *      if we are on 82543.  If we
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
 *      are on newer silicon, we only need to configure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
 *      collision distance in the Transmit Control Register.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
 *   2) Set up flow control on the MAC to that established with
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
 *      the link partner.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
 *   3) Config DSP to improve Gigabit link quality for some PHY revisions.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
static s32 e1000_copper_link_postconfig(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
	e_dbg("e1000_copper_link_postconfig");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
	if ((hw->mac_type >= e1000_82544) && (hw->mac_type != e1000_ce4100)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
		e1000_config_collision_dist(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
		ret_val = e1000_config_mac_to_phy(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
		if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
			e_dbg("Error configuring MAC to PHY settings\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
	ret_val = e1000_config_fc_after_link_up(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
	if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
		e_dbg("Error Configuring Flow Control\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
	/* Config DSP to improve Giga link quality */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
	if (hw->phy_type == e1000_phy_igp) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
		ret_val = e1000_config_dsp_after_link_change(hw, true);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
		if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
			e_dbg("Error Configuring DSP after link up\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
 * e1000_setup_copper_link - phy/speed/duplex setting
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
 * Detects which PHY is present and sets up the speed and duplex
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
static s32 e1000_setup_copper_link(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
	u16 i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
	u16 phy_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
	e_dbg("e1000_setup_copper_link");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
	/* Check if it is a valid PHY and set PHY mode if necessary. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
	ret_val = e1000_copper_link_preconfig(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
	if (hw->phy_type == e1000_phy_igp) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
		ret_val = e1000_copper_link_igp_setup(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
	} else if (hw->phy_type == e1000_phy_m88) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
		ret_val = e1000_copper_link_mgp_setup(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
		ret_val = gbe_dhg_phy_setup(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
		if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
			e_dbg("gbe_dhg_phy_setup failed!\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
	if (hw->autoneg) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
		/* Setup autoneg and flow control advertisement
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
		 * and perform autonegotiation */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
		ret_val = e1000_copper_link_autoneg(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
		/* PHY will be set to 10H, 10F, 100H,or 100F
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
		 * depending on value from forced_speed_duplex. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
		e_dbg("Forcing speed and duplex\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
		ret_val = e1000_phy_force_speed_duplex(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
		if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
			e_dbg("Error Forcing Speed and Duplex\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
	/* Check link status. Wait up to 100 microseconds for link to become
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
	 * valid.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
	for (i = 0; i < 10; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
		if (phy_data & MII_SR_LINK_STATUS) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
			/* Config the MAC and PHY after link is up */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
			ret_val = e1000_copper_link_postconfig(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
			e_dbg("Valid link established!!!\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
			return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
		udelay(10);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
	e_dbg("Unable to establish link!!!\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
 * e1000_phy_setup_autoneg - phy settings
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
 * Configures PHY autoneg and flow control advertisement settings
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
	u16 mii_autoneg_adv_reg;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
	u16 mii_1000t_ctrl_reg;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
	e_dbg("e1000_phy_setup_autoneg");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
	/* Read the MII Auto-Neg Advertisement Register (Address 4). */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
	ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
	/* Read the MII 1000Base-T Control Register (Address 9). */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
	ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &mii_1000t_ctrl_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
	else if (hw->phy_type == e1000_phy_8201)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
		mii_1000t_ctrl_reg &= ~REG9_SPEED_MASK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
	/* Need to parse both autoneg_advertised and fc and set up
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
	 * the appropriate PHY registers.  First we will parse for
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
	 * autoneg_advertised software override.  Since we can advertise
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
	 * a plethora of combinations, we need to check each bit
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
	 * individually.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
	/* First we clear all the 10/100 mb speed bits in the Auto-Neg
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
	 * Advertisement Register (Address 4) and the 1000 mb speed bits in
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
	 * the  1000Base-T Control Register (Address 9).
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
	mii_autoneg_adv_reg &= ~REG4_SPEED_MASK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
	mii_1000t_ctrl_reg &= ~REG9_SPEED_MASK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
	e_dbg("autoneg_advertised %x\n", hw->autoneg_advertised);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
	/* Do we want to advertise 10 Mb Half Duplex? */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
	if (hw->autoneg_advertised & ADVERTISE_10_HALF) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
		e_dbg("Advertise 10mb Half duplex\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
		mii_autoneg_adv_reg |= NWAY_AR_10T_HD_CAPS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
	/* Do we want to advertise 10 Mb Full Duplex? */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
	if (hw->autoneg_advertised & ADVERTISE_10_FULL) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
		e_dbg("Advertise 10mb Full duplex\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
		mii_autoneg_adv_reg |= NWAY_AR_10T_FD_CAPS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
	/* Do we want to advertise 100 Mb Half Duplex? */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
	if (hw->autoneg_advertised & ADVERTISE_100_HALF) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
		e_dbg("Advertise 100mb Half duplex\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
		mii_autoneg_adv_reg |= NWAY_AR_100TX_HD_CAPS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
	/* Do we want to advertise 100 Mb Full Duplex? */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
	if (hw->autoneg_advertised & ADVERTISE_100_FULL) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
		e_dbg("Advertise 100mb Full duplex\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
		mii_autoneg_adv_reg |= NWAY_AR_100TX_FD_CAPS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
	/* We do not allow the Phy to advertise 1000 Mb Half Duplex */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
	if (hw->autoneg_advertised & ADVERTISE_1000_HALF) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
		e_dbg
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
		    ("Advertise 1000mb Half duplex requested, request denied!\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
	/* Do we want to advertise 1000 Mb Full Duplex? */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
	if (hw->autoneg_advertised & ADVERTISE_1000_FULL) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
		e_dbg("Advertise 1000mb Full duplex\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
		mii_1000t_ctrl_reg |= CR_1000T_FD_CAPS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
	/* Check for a software override of the flow control settings, and
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
	 * setup the PHY advertisement registers accordingly.  If
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
	 * auto-negotiation is enabled, then software will have to set the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
	 * "PAUSE" bits to the correct value in the Auto-Negotiation
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
	 * Advertisement Register (PHY_AUTONEG_ADV) and re-start auto-negotiation.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
	 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
	 * The possible values of the "fc" parameter are:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
	 *      0:  Flow control is completely disabled
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
	 *      1:  Rx flow control is enabled (we can receive pause frames
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
	 *          but not send pause frames).
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
	 *      2:  Tx flow control is enabled (we can send pause frames
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
	 *          but we do not support receiving pause frames).
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
	 *      3:  Both Rx and TX flow control (symmetric) are enabled.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
	 *  other:  No software override.  The flow control configuration
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
	 *          in the EEPROM is used.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
	switch (hw->fc) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
	case E1000_FC_NONE:	/* 0 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
		/* Flow control (RX & TX) is completely disabled by a
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
		 * software over-ride.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
		mii_autoneg_adv_reg &= ~(NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
	case E1000_FC_RX_PAUSE:	/* 1 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
		/* RX Flow control is enabled, and TX Flow control is
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
		 * disabled, by a software over-ride.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
		/* Since there really isn't a way to advertise that we are
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
		 * capable of RX Pause ONLY, we will advertise that we
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
		 * support both symmetric and asymmetric RX PAUSE.  Later
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
		 * (in e1000_config_fc_after_link_up) we will disable the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
		 *hw's ability to send PAUSE frames.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
	case E1000_FC_TX_PAUSE:	/* 2 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
		/* TX Flow control is enabled, and RX Flow control is
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
		 * disabled, by a software over-ride.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
		mii_autoneg_adv_reg |= NWAY_AR_ASM_DIR;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
		mii_autoneg_adv_reg &= ~NWAY_AR_PAUSE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
	case E1000_FC_FULL:	/* 3 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
		/* Flow control (both RX and TX) is enabled by a software
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
		 * over-ride.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
		e_dbg("Flow control param set incorrectly\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
		return -E1000_ERR_CONFIG;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
	ret_val = e1000_write_phy_reg(hw, PHY_AUTONEG_ADV, mii_autoneg_adv_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
	e_dbg("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
	if (hw->phy_type == e1000_phy_8201) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
		mii_1000t_ctrl_reg = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
		ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
		                              mii_1000t_ctrl_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
 * e1000_phy_force_speed_duplex - force link settings
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
 * Force PHY speed and duplex settings to hw->forced_speed_duplex
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
	u32 ctrl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
	u16 mii_ctrl_reg;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
	u16 mii_status_reg;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
	u16 phy_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
	u16 i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
	e_dbg("e1000_phy_force_speed_duplex");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
	/* Turn off Flow control if we are forcing speed and duplex. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
	hw->fc = E1000_FC_NONE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	e_dbg("hw->fc = %d\n", hw->fc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
	/* Read the Device Control Register. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
	ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
	/* Set the bits to Force Speed and Duplex in the Device Ctrl Reg. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
	ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
	ctrl &= ~(DEVICE_SPEED_MASK);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
	/* Clear the Auto Speed Detect Enable bit. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
	ctrl &= ~E1000_CTRL_ASDE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
	/* Read the MII Control Register. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
	ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &mii_ctrl_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
	/* We need to disable autoneg in order to force link and duplex. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
	mii_ctrl_reg &= ~MII_CR_AUTO_NEG_EN;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	/* Are we forcing Full or Half Duplex? */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
	if (hw->forced_speed_duplex == e1000_100_full ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	    hw->forced_speed_duplex == e1000_10_full) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
		/* We want to force full duplex so we SET the full duplex bits in the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
		 * Device and MII Control Registers.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
		ctrl |= E1000_CTRL_FD;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
		mii_ctrl_reg |= MII_CR_FULL_DUPLEX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
		e_dbg("Full Duplex\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
		/* We want to force half duplex so we CLEAR the full duplex bits in
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
		 * the Device and MII Control Registers.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
		ctrl &= ~E1000_CTRL_FD;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
		mii_ctrl_reg &= ~MII_CR_FULL_DUPLEX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
		e_dbg("Half Duplex\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
	/* Are we forcing 100Mbps??? */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
	if (hw->forced_speed_duplex == e1000_100_full ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
	    hw->forced_speed_duplex == e1000_100_half) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
		/* Set the 100Mb bit and turn off the 1000Mb and 10Mb bits. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
		ctrl |= E1000_CTRL_SPD_100;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
		mii_ctrl_reg |= MII_CR_SPEED_100;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
		mii_ctrl_reg &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_10);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
		e_dbg("Forcing 100mb ");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
		/* Set the 10Mb bit and turn off the 1000Mb and 100Mb bits. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
		ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
		mii_ctrl_reg |= MII_CR_SPEED_10;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
		mii_ctrl_reg &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_100);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
		e_dbg("Forcing 10mb ");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
	e1000_config_collision_dist(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
	/* Write the configured values back to the Device Control Reg. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
	ew32(CTRL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
	if (hw->phy_type == e1000_phy_m88) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
		ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
		    e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
		/* Clear Auto-Crossover to force MDI manually. M88E1000 requires MDI
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
		 * forced whenever speed are duplex are forced.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
		phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
		ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
		    e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
		e_dbg("M88E1000 PSCR: %x\n", phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
		/* Need to reset the PHY or these changes will be ignored */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
		mii_ctrl_reg |= MII_CR_RESET;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
		/* Disable MDI-X support for 10/100 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
		/* Clear Auto-Crossover to force MDI manually.  IGP requires MDI
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
		 * forced whenever speed or duplex are forced.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
		ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
		    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
		phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
		phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
		ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
		    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
	/* Write back the modified PHY MII control register. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
	ret_val = e1000_write_phy_reg(hw, PHY_CTRL, mii_ctrl_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
	udelay(1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
	/* The wait_autoneg_complete flag may be a little misleading here.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
	 * Since we are forcing speed and duplex, Auto-Neg is not enabled.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
	 * But we do want to delay for a period while forcing only so we
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
	 * don't generate false No Link messages.  So we will wait here
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
	 * only if the user has set wait_autoneg_complete to 1, which is
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
	 * the default.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
	if (hw->wait_autoneg_complete) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
		/* We will wait for autoneg to complete. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
		e_dbg("Waiting for forced speed/duplex link.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
		mii_status_reg = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
		/* We will wait for autoneg to complete or 4.5 seconds to expire. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
		for (i = PHY_FORCE_TIME; i > 0; i--) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
			/* Read the MII Status Register and wait for Auto-Neg Complete bit
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
			 * to be set.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
			 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
			    e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
			    e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
			if (mii_status_reg & MII_SR_LINK_STATUS)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
			msleep(100);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
		if ((i == 0) && (hw->phy_type == e1000_phy_m88)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
			/* We didn't get link.  Reset the DSP and wait again for link. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
			ret_val = e1000_phy_reset_dsp(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
			if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
				e_dbg("Error Resetting PHY DSP\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
		/* This loop will early-out if the link condition has been met.  */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
		for (i = PHY_FORCE_TIME; i > 0; i--) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
			if (mii_status_reg & MII_SR_LINK_STATUS)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
			msleep(100);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
			/* Read the MII Status Register and wait for Auto-Neg Complete bit
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
			 * to be set.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
			 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
			    e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
			    e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
	if (hw->phy_type == e1000_phy_m88) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
		/* Because we reset the PHY above, we need to re-force TX_CLK in the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
		 * Extended PHY Specific Control Register to 25MHz clock.  This value
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
		 * defaults back to a 2.5MHz clock when the PHY is reset.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
		ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
		    e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
				       &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
		phy_data |= M88E1000_EPSCR_TX_CLK_25;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
		ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
		    e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
					phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
		/* In addition, because of the s/w reset above, we need to enable CRS on
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
		 * TX.  This must be set for both full and half duplex operation.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
		ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
		    e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
		phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
		ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
		    e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
		if ((hw->mac_type == e1000_82544 || hw->mac_type == e1000_82543)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
		    && (!hw->autoneg)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
		    && (hw->forced_speed_duplex == e1000_10_full
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
			|| hw->forced_speed_duplex == e1000_10_half)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
			ret_val = e1000_polarity_reversal_workaround(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
 * e1000_config_collision_dist - set collision distance register
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
 * Sets the collision distance in the Transmit Control register.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
 * Link should have been established previously. Reads the speed and duplex
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
 * information from the Device Status register.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
void e1000_config_collision_dist(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
	u32 tctl, coll_dist;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
	e_dbg("e1000_config_collision_dist");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
	if (hw->mac_type < e1000_82543)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
		coll_dist = E1000_COLLISION_DISTANCE_82542;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
	else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
		coll_dist = E1000_COLLISION_DISTANCE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
	tctl = er32(TCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
	tctl &= ~E1000_TCTL_COLD;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
	tctl |= coll_dist << E1000_COLD_SHIFT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
	ew32(TCTL, tctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
	E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
 * e1000_config_mac_to_phy - sync phy and mac settings
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
 * @mii_reg: data to write to the MII control register
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
 * Sets MAC speed and duplex settings to reflect the those in the PHY
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
 * The contents of the PHY register containing the needed information need to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
 * be passed in.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
static s32 e1000_config_mac_to_phy(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
	u32 ctrl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
	u16 phy_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
	e_dbg("e1000_config_mac_to_phy");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
	/* 82544 or newer MAC, Auto Speed Detection takes care of
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
	 * MAC speed/duplex configuration.*/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
	if ((hw->mac_type >= e1000_82544) && (hw->mac_type != e1000_ce4100))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
		return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
	/* Read the Device Control Register and set the bits to Force Speed
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
	 * and Duplex.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
	ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
	ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
	ctrl &= ~(E1000_CTRL_SPD_SEL | E1000_CTRL_ILOS);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
	switch (hw->phy_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
	case e1000_phy_8201:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
		ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
		if (phy_data & RTL_PHY_CTRL_FD)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
			ctrl |= E1000_CTRL_FD;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
		else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
			ctrl &= ~E1000_CTRL_FD;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
		if (phy_data & RTL_PHY_CTRL_SPD_100)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
			ctrl |= E1000_CTRL_SPD_100;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
		else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
			ctrl |= E1000_CTRL_SPD_10;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
		e1000_config_collision_dist(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
		/* Set up duplex in the Device Control and Transmit Control
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
		 * registers depending on negotiated values.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
		ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
		                             &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
		if (phy_data & M88E1000_PSSR_DPLX)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
			ctrl |= E1000_CTRL_FD;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
		else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
			ctrl &= ~E1000_CTRL_FD;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
		e1000_config_collision_dist(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
		/* Set up speed in the Device Control register depending on
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
		 * negotiated values.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
		if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
			ctrl |= E1000_CTRL_SPD_1000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
		else if ((phy_data & M88E1000_PSSR_SPEED) ==
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
		         M88E1000_PSSR_100MBS)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
			ctrl |= E1000_CTRL_SPD_100;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	/* Write the configured values back to the Device Control Reg. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
	ew32(CTRL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
 * e1000_force_mac_fc - force flow control settings
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
 * Forces the MAC's flow control settings.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
 * Sets the TFCE and RFCE bits in the device control register to reflect
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
 * the adapter settings. TFCE and RFCE need to be explicitly set by
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
 * software when a Copper PHY is used because autonegotiation is managed
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
 * by the PHY rather than the MAC. Software must also configure these
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
 * bits when link is forced on a fiber connection.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
s32 e1000_force_mac_fc(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
	u32 ctrl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
	e_dbg("e1000_force_mac_fc");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
	/* Get the current configuration of the Device Control Register */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
	ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
	/* Because we didn't get link via the internal auto-negotiation
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
	 * mechanism (we either forced link or we got link via PHY
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
	 * auto-neg), we have to manually enable/disable transmit an
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
	 * receive flow control.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
	 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
	 * The "Case" statement below enables/disable flow control
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
	 * according to the "hw->fc" parameter.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
	 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
	 * The possible values of the "fc" parameter are:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
	 *      0:  Flow control is completely disabled
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
	 *      1:  Rx flow control is enabled (we can receive pause
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
	 *          frames but not send pause frames).
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
	 *      2:  Tx flow control is enabled (we can send pause frames
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
	 *          frames but we do not receive pause frames).
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
	 *      3:  Both Rx and TX flow control (symmetric) is enabled.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
	 *  other:  No other values should be possible at this point.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
	switch (hw->fc) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
	case E1000_FC_NONE:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
		ctrl &= (~(E1000_CTRL_TFCE | E1000_CTRL_RFCE));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
	case E1000_FC_RX_PAUSE:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
		ctrl &= (~E1000_CTRL_TFCE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
		ctrl |= E1000_CTRL_RFCE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
	case E1000_FC_TX_PAUSE:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
		ctrl &= (~E1000_CTRL_RFCE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
		ctrl |= E1000_CTRL_TFCE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
	case E1000_FC_FULL:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
		ctrl |= (E1000_CTRL_TFCE | E1000_CTRL_RFCE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
		e_dbg("Flow control param set incorrectly\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
		return -E1000_ERR_CONFIG;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
	/* Disable TX Flow Control for 82542 (rev 2.0) */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
	if (hw->mac_type == e1000_82542_rev2_0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
		ctrl &= (~E1000_CTRL_TFCE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
	ew32(CTRL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
 * e1000_config_fc_after_link_up - configure flow control after autoneg
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
 * Configures flow control settings after link is established
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
 * Should be called immediately after a valid link has been established.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
 * Forces MAC flow control settings if link was forced. When in MII/GMII mode
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
 * and autonegotiation is enabled, the MAC flow control settings will be set
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
 * based on the flow control negotiated by the PHY. In TBI mode, the TFCE
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
 * and RFCE bits will be automatically set to the negotiated flow control mode.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
static s32 e1000_config_fc_after_link_up(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
	u16 mii_status_reg;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
	u16 mii_nway_adv_reg;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
	u16 mii_nway_lp_ability_reg;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
	u16 speed;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
	u16 duplex;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
	e_dbg("e1000_config_fc_after_link_up");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
	/* Check for the case where we have fiber media and auto-neg failed
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
	 * so we had to force link.  In this case, we need to force the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
	 * configuration of the MAC to match the "fc" parameter.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
	if (((hw->media_type == e1000_media_type_fiber) && (hw->autoneg_failed))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
	    || ((hw->media_type == e1000_media_type_internal_serdes)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
		&& (hw->autoneg_failed))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
	    || ((hw->media_type == e1000_media_type_copper)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
		&& (!hw->autoneg))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
		ret_val = e1000_force_mac_fc(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
		if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
			e_dbg("Error forcing flow control settings\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
	/* Check for the case where we have copper media and auto-neg is
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
	 * enabled.  In this case, we need to check and see if Auto-Neg
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
	 * has completed, and if so, how the PHY and link partner has
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
	 * flow control configured.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
	if ((hw->media_type == e1000_media_type_copper) && hw->autoneg) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
		/* Read the MII Status Register and check to see if AutoNeg
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
		 * has completed.  We read this twice because this reg has
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
		 * some "sticky" (latched) bits.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
		if (mii_status_reg & MII_SR_AUTONEG_COMPLETE) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
			/* The AutoNeg process has completed, so we now need to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
			 * read both the Auto Negotiation Advertisement Register
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
			 * (Address 4) and the Auto_Negotiation Base Page Ability
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
			 * Register (Address 5) to determine how flow control was
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
			 * negotiated.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
			 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
			ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_ADV,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
						     &mii_nway_adv_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
			ret_val = e1000_read_phy_reg(hw, PHY_LP_ABILITY,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
						     &mii_nway_lp_ability_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
			/* Two bits in the Auto Negotiation Advertisement Register
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
			 * (Address 4) and two bits in the Auto Negotiation Base
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
			 * Page Ability Register (Address 5) determine flow control
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
			 * for both the PHY and the link partner.  The following
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
			 * table, taken out of the IEEE 802.3ab/D6.0 dated March 25,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
			 * 1999, describes these PAUSE resolution bits and how flow
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
			 * control is determined based upon these settings.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
			 * NOTE:  DC = Don't Care
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
			 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
			 *   LOCAL DEVICE  |   LINK PARTNER
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
			 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
			 *-------|---------|-------|---------|--------------------
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
			 *   0   |    0    |  DC   |   DC    | E1000_FC_NONE
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
			 *   0   |    1    |   0   |   DC    | E1000_FC_NONE
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
			 *   0   |    1    |   1   |    0    | E1000_FC_NONE
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
			 *   0   |    1    |   1   |    1    | E1000_FC_TX_PAUSE
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
			 *   1   |    0    |   0   |   DC    | E1000_FC_NONE
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
			 *   1   |   DC    |   1   |   DC    | E1000_FC_FULL
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
			 *   1   |    1    |   0   |    0    | E1000_FC_NONE
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
			 *   1   |    1    |   0   |    1    | E1000_FC_RX_PAUSE
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
			 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
			 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
			/* Are both PAUSE bits set to 1?  If so, this implies
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
			 * Symmetric Flow Control is enabled at both ends.  The
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
			 * ASM_DIR bits are irrelevant per the spec.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
			 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
			 * For Symmetric Flow Control:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
			 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
			 *   LOCAL DEVICE  |   LINK PARTNER
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
			 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
			 *-------|---------|-------|---------|--------------------
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
			 *   1   |   DC    |   1   |   DC    | E1000_FC_FULL
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
			 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
			 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
			if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
			    (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
				/* Now we need to check if the user selected RX ONLY
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
				 * of pause frames.  In this case, we had to advertise
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
				 * FULL flow control because we could not advertise RX
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
				 * ONLY. Hence, we must now check to see if we need to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
				 * turn OFF  the TRANSMISSION of PAUSE frames.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
				 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
				if (hw->original_fc == E1000_FC_FULL) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
					hw->fc = E1000_FC_FULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
					e_dbg("Flow Control = FULL.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
				} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
					hw->fc = E1000_FC_RX_PAUSE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
					e_dbg
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
					    ("Flow Control = RX PAUSE frames only.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
				}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
			/* For receiving PAUSE frames ONLY.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
			 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
			 *   LOCAL DEVICE  |   LINK PARTNER
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
			 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
			 *-------|---------|-------|---------|--------------------
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
			 *   0   |    1    |   1   |    1    | E1000_FC_TX_PAUSE
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
			 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
			 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
			else if (!(mii_nway_adv_reg & NWAY_AR_PAUSE) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
				 (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
				 (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
				 (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
			{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
				hw->fc = E1000_FC_TX_PAUSE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
				e_dbg
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
				    ("Flow Control = TX PAUSE frames only.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
			/* For transmitting PAUSE frames ONLY.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
			 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
			 *   LOCAL DEVICE  |   LINK PARTNER
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
			 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
			 *-------|---------|-------|---------|--------------------
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
			 *   1   |    1    |   0   |    1    | E1000_FC_RX_PAUSE
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
			 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
			 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
			else if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
				 (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
				 !(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
				 (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
			{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
				hw->fc = E1000_FC_RX_PAUSE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
				e_dbg
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
				    ("Flow Control = RX PAUSE frames only.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
			/* Per the IEEE spec, at this point flow control should be
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
			 * disabled.  However, we want to consider that we could
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
			 * be connected to a legacy switch that doesn't advertise
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
			 * desired flow control, but can be forced on the link
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
			 * partner.  So if we advertised no flow control, that is
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
			 * what we will resolve to.  If we advertised some kind of
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
			 * receive capability (Rx Pause Only or Full Flow Control)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
			 * and the link partner advertised none, we will configure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
			 * ourselves to enable Rx Flow Control only.  We can do
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
			 * this safely for two reasons:  If the link partner really
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
			 * didn't want flow control enabled, and we enable Rx, no
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
			 * harm done since we won't be receiving any PAUSE frames
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
			 * anyway.  If the intent on the link partner was to have
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
			 * flow control enabled, then by us enabling RX only, we
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
			 * can at least receive pause frames and process them.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
			 * This is a good idea because in most cases, since we are
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
			 * predominantly a server NIC, more times than not we will
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
			 * be asked to delay transmission of packets than asking
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
			 * our link partner to pause transmission of frames.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
			 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
			else if ((hw->original_fc == E1000_FC_NONE ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
				  hw->original_fc == E1000_FC_TX_PAUSE) ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
				 hw->fc_strict_ieee) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
				hw->fc = E1000_FC_NONE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
				e_dbg("Flow Control = NONE.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
			} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
				hw->fc = E1000_FC_RX_PAUSE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
				e_dbg
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
				    ("Flow Control = RX PAUSE frames only.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
			/* Now we need to do one last check...  If we auto-
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
			 * negotiated to HALF DUPLEX, flow control should not be
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
			 * enabled per IEEE 802.3 spec.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
			 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
			    e1000_get_speed_and_duplex(hw, &speed, &duplex);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
			if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
				e_dbg
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
				    ("Error getting link speed and duplex\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
			if (duplex == HALF_DUPLEX)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
				hw->fc = E1000_FC_NONE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
			/* Now we call a subroutine to actually force the MAC
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
			 * controller to use the correct flow control settings.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
			 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
			ret_val = e1000_force_mac_fc(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
			if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
				e_dbg
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
				    ("Error forcing flow control settings\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
			e_dbg
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
			    ("Copper PHY and Auto Neg has not completed.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
 * e1000_check_for_serdes_link_generic - Check for link (Serdes)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
 * @hw: pointer to the HW structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
 * Checks for link up on the hardware.  If link is not up and we have
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
 * a signal, then we need to force link up.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
static s32 e1000_check_for_serdes_link_generic(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
	u32 rxcw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
	u32 ctrl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
	u32 status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
	s32 ret_val = E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
	e_dbg("e1000_check_for_serdes_link_generic");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
	ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
	status = er32(STATUS);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
	rxcw = er32(RXCW);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
	/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
	 * If we don't have link (auto-negotiation failed or link partner
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
	 * cannot auto-negotiate), and our link partner is not trying to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
	 * auto-negotiate with us (we are receiving idles or data),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
	 * we need to force link up. We also need to give auto-negotiation
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
	 * time to complete.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
	/* (ctrl & E1000_CTRL_SWDPIN1) == 1 == have signal */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
	if ((!(status & E1000_STATUS_LU)) && (!(rxcw & E1000_RXCW_C))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
		if (hw->autoneg_failed == 0) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
			hw->autoneg_failed = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
			goto out;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
		e_dbg("NOT RXing /C/, disable AutoNeg and force link.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
		/* Disable auto-negotiation in the TXCW register */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
		ew32(TXCW, (hw->txcw & ~E1000_TXCW_ANE));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
		/* Force link-up and also force full-duplex. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
		ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
		ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FD);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
		ew32(CTRL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
		/* Configure Flow Control after forcing link up. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
		ret_val = e1000_config_fc_after_link_up(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
		if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
			e_dbg("Error configuring flow control\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
			goto out;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
	} else if ((ctrl & E1000_CTRL_SLU) && (rxcw & E1000_RXCW_C)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
		/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
		 * If we are forcing link and we are receiving /C/ ordered
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
		 * sets, re-enable auto-negotiation in the TXCW register
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
		 * and disable forced link in the Device Control register
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
		 * in an attempt to auto-negotiate with our link partner.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
		e_dbg("RXing /C/, enable AutoNeg and stop forcing link.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
		ew32(TXCW, hw->txcw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
		ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
		hw->serdes_has_link = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
	} else if (!(E1000_TXCW_ANE & er32(TXCW))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
		/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
		 * If we force link for non-auto-negotiation switch, check
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
		 * link status based on MAC synchronization for internal
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
		 * serdes media type.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
		/* SYNCH bit and IV bit are sticky. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
		udelay(10);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
		rxcw = er32(RXCW);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
		if (rxcw & E1000_RXCW_SYNCH) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
			if (!(rxcw & E1000_RXCW_IV)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
				hw->serdes_has_link = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
				e_dbg("SERDES: Link up - forced.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
			hw->serdes_has_link = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
			e_dbg("SERDES: Link down - force failed.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
	if (E1000_TXCW_ANE & er32(TXCW)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
		status = er32(STATUS);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
		if (status & E1000_STATUS_LU) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
			/* SYNCH bit and IV bit are sticky, so reread rxcw. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
			udelay(10);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
			rxcw = er32(RXCW);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
			if (rxcw & E1000_RXCW_SYNCH) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
				if (!(rxcw & E1000_RXCW_IV)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
					hw->serdes_has_link = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
					e_dbg("SERDES: Link up - autoneg "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
						 "completed successfully.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
				} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
					hw->serdes_has_link = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
					e_dbg("SERDES: Link down - invalid"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
						 "codewords detected in autoneg.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
				}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
			} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
				hw->serdes_has_link = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
				e_dbg("SERDES: Link down - no sync.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
			hw->serdes_has_link = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
			e_dbg("SERDES: Link down - autoneg failed\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
      out:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
	return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
 * e1000_check_for_link
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
 * Checks to see if the link status of the hardware has changed.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
 * Called by any function that needs to check the link status of the adapter.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
s32 e1000_check_for_link(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
	u32 rxcw = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
	u32 ctrl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
	u32 status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
	u32 rctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
	u32 icr;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
	u32 signal = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
	u16 phy_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
	e_dbg("e1000_check_for_link");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
	ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
	status = er32(STATUS);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
	/* On adapters with a MAC newer than 82544, SW Definable pin 1 will be
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
	 * set when the optics detect a signal. On older adapters, it will be
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
	 * cleared when there is a signal.  This applies to fiber media only.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
	if ((hw->media_type == e1000_media_type_fiber) ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
	    (hw->media_type == e1000_media_type_internal_serdes)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
		rxcw = er32(RXCW);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
		if (hw->media_type == e1000_media_type_fiber) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
			signal =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
			    (hw->mac_type >
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
			     e1000_82544) ? E1000_CTRL_SWDPIN1 : 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
			if (status & E1000_STATUS_LU)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
				hw->get_link_status = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
	/* If we have a copper PHY then we only want to go out to the PHY
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
	 * registers to see if Auto-Neg has completed and/or if our link
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
	 * status has changed.  The get_link_status flag will be set if we
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
	 * receive a Link Status Change interrupt or we have Rx Sequence
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
	 * Errors.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
	if ((hw->media_type == e1000_media_type_copper) && hw->get_link_status) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
		/* First we want to see if the MII Status Register reports
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
		 * link.  If so, then we want to get the current speed/duplex
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
		 * of the PHY.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
		 * Read the register twice since the link bit is sticky.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
		if (phy_data & MII_SR_LINK_STATUS) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
			hw->get_link_status = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
			/* Check if there was DownShift, must be checked immediately after
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
			 * link-up */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
			e1000_check_downshift(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
			/* If we are on 82544 or 82543 silicon and speed/duplex
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
			 * are forced to 10H or 10F, then we will implement the polarity
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
			 * reversal workaround.  We disable interrupts first, and upon
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
			 * returning, place the devices interrupt state to its previous
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
			 * value except for the link status change interrupt which will
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
			 * happen due to the execution of this workaround.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
			 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
			if ((hw->mac_type == e1000_82544
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
			     || hw->mac_type == e1000_82543) && (!hw->autoneg)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
			    && (hw->forced_speed_duplex == e1000_10_full
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
				|| hw->forced_speed_duplex == e1000_10_half)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
				ew32(IMC, 0xffffffff);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
				ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
				    e1000_polarity_reversal_workaround(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
				icr = er32(ICR);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
				ew32(ICS, (icr & ~E1000_ICS_LSC));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
				ew32(IMS, IMS_ENABLE_MASK);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
			/* No link detected */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
			e1000_config_dsp_after_link_change(hw, false);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
			return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
		/* If we are forcing speed/duplex, then we simply return since
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
		 * we have already determined whether we have link or not.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
		if (!hw->autoneg)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
			return -E1000_ERR_CONFIG;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
		/* optimize the dsp settings for the igp phy */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
		e1000_config_dsp_after_link_change(hw, true);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
		/* We have a M88E1000 PHY and Auto-Neg is enabled.  If we
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
		 * have Si on board that is 82544 or newer, Auto
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
		 * Speed Detection takes care of MAC speed/duplex
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
		 * configuration.  So we only need to configure Collision
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
		 * Distance in the MAC.  Otherwise, we need to force
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
		 * speed/duplex on the MAC to the current PHY speed/duplex
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
		 * settings.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
		if ((hw->mac_type >= e1000_82544) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
		    (hw->mac_type != e1000_ce4100))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
			e1000_config_collision_dist(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
		else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
			ret_val = e1000_config_mac_to_phy(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
			if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
				e_dbg
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
				    ("Error configuring MAC to PHY settings\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
		/* Configure Flow Control now that Auto-Neg has completed. First, we
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
		 * need to restore the desired flow control settings because we may
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
		 * have had to re-autoneg with a different link partner.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
		ret_val = e1000_config_fc_after_link_up(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
		if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
			e_dbg("Error configuring flow control\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
		/* At this point we know that we are on copper and we have
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
		 * auto-negotiated link.  These are conditions for checking the link
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
		 * partner capability register.  We use the link speed to determine if
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
		 * TBI compatibility needs to be turned on or off.  If the link is not
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
		 * at gigabit speed, then TBI compatibility is not needed.  If we are
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
		 * at gigabit speed, we turn on TBI compatibility.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
		if (hw->tbi_compatibility_en) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
			u16 speed, duplex;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
			    e1000_get_speed_and_duplex(hw, &speed, &duplex);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
			if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
				e_dbg
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
				    ("Error getting link speed and duplex\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
			if (speed != SPEED_1000) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
				/* If link speed is not set to gigabit speed, we do not need
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
				 * to enable TBI compatibility.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
				 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
				if (hw->tbi_compatibility_on) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
					/* If we previously were in the mode, turn it off. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
					rctl = er32(RCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
					rctl &= ~E1000_RCTL_SBP;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
					ew32(RCTL, rctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
					hw->tbi_compatibility_on = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
				}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
			} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
				/* If TBI compatibility is was previously off, turn it on. For
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
				 * compatibility with a TBI link partner, we will store bad
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
				 * packets. Some frames have an additional byte on the end and
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
				 * will look like CRC errors to to the hardware.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
				 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
				if (!hw->tbi_compatibility_on) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
					hw->tbi_compatibility_on = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
					rctl = er32(RCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
					rctl |= E1000_RCTL_SBP;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
					ew32(RCTL, rctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
				}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
	if ((hw->media_type == e1000_media_type_fiber) ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
	    (hw->media_type == e1000_media_type_internal_serdes))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
		e1000_check_for_serdes_link_generic(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
 * e1000_get_speed_and_duplex
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
 * @speed: Speed of the connection
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
 * @duplex: Duplex setting of the connection
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
 * Detects the current speed and duplex settings of the hardware.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
s32 e1000_get_speed_and_duplex(struct e1000_hw *hw, u16 *speed, u16 *duplex)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
	u32 status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
	u16 phy_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
	e_dbg("e1000_get_speed_and_duplex");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
	if (hw->mac_type >= e1000_82543) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
		status = er32(STATUS);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
		if (status & E1000_STATUS_SPEED_1000) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
			*speed = SPEED_1000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
			e_dbg("1000 Mbs, ");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
		} else if (status & E1000_STATUS_SPEED_100) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
			*speed = SPEED_100;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
			e_dbg("100 Mbs, ");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
			*speed = SPEED_10;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
			e_dbg("10 Mbs, ");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
		if (status & E1000_STATUS_FD) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
			*duplex = FULL_DUPLEX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
			e_dbg("Full Duplex\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
			*duplex = HALF_DUPLEX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
			e_dbg(" Half Duplex\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
		e_dbg("1000 Mbs, Full Duplex\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
		*speed = SPEED_1000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
		*duplex = FULL_DUPLEX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
	/* IGP01 PHY may advertise full duplex operation after speed downgrade even
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
	 * if it is operating at half duplex.  Here we set the duplex settings to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
	 * match the duplex in the link partner's capabilities.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
	if (hw->phy_type == e1000_phy_igp && hw->speed_downgraded) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
		ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_EXP, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
		if (!(phy_data & NWAY_ER_LP_NWAY_CAPS))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
			*duplex = HALF_DUPLEX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
		else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
			    e1000_read_phy_reg(hw, PHY_LP_ABILITY, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
			if ((*speed == SPEED_100
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
			     && !(phy_data & NWAY_LPAR_100TX_FD_CAPS))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
			    || (*speed == SPEED_10
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
				&& !(phy_data & NWAY_LPAR_10T_FD_CAPS)))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
				*duplex = HALF_DUPLEX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
 * e1000_wait_autoneg
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
 * Blocks until autoneg completes or times out (~4.5 seconds)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
static s32 e1000_wait_autoneg(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
	u16 i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
	u16 phy_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
	e_dbg("e1000_wait_autoneg");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
	e_dbg("Waiting for Auto-Neg to complete.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
	/* We will wait for autoneg to complete or 4.5 seconds to expire. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
	for (i = PHY_AUTO_NEG_TIME; i > 0; i--) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
		/* Read the MII Status Register and wait for Auto-Neg
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
		 * Complete bit to be set.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
		if (phy_data & MII_SR_AUTONEG_COMPLETE) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
			return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
		msleep(100);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
 * e1000_raise_mdi_clk - Raises the Management Data Clock
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
 * @ctrl: Device control register's current value
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
static void e1000_raise_mdi_clk(struct e1000_hw *hw, u32 *ctrl)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
	/* Raise the clock input to the Management Data Clock (by setting the MDC
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
	 * bit), and then delay 10 microseconds.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
	ew32(CTRL, (*ctrl | E1000_CTRL_MDC));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
	E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
	udelay(10);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
 * e1000_lower_mdi_clk - Lowers the Management Data Clock
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
 * @ctrl: Device control register's current value
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
static void e1000_lower_mdi_clk(struct e1000_hw *hw, u32 *ctrl)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
	/* Lower the clock input to the Management Data Clock (by clearing the MDC
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
	 * bit), and then delay 10 microseconds.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
	ew32(CTRL, (*ctrl & ~E1000_CTRL_MDC));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
	E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
	udelay(10);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
 * e1000_shift_out_mdi_bits - Shifts data bits out to the PHY
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
 * @data: Data to send out to the PHY
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
 * @count: Number of bits to shift out
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
 * Bits are shifted out in MSB to LSB order.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
static void e1000_shift_out_mdi_bits(struct e1000_hw *hw, u32 data, u16 count)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
	u32 ctrl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
	u32 mask;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
	/* We need to shift "count" number of bits out to the PHY. So, the value
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
	 * in the "data" parameter will be shifted out to the PHY one bit at a
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
	 * time. In order to do this, "data" must be broken down into bits.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
	mask = 0x01;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
	mask <<= (count - 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
	ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
	/* Set MDIO_DIR and MDC_DIR direction bits to be used as output pins. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
	ctrl |= (E1000_CTRL_MDIO_DIR | E1000_CTRL_MDC_DIR);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
	while (mask) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
		/* A "1" is shifted out to the PHY by setting the MDIO bit to "1" and
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
		 * then raising and lowering the Management Data Clock. A "0" is
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
		 * shifted out to the PHY by setting the MDIO bit to "0" and then
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
		 * raising and lowering the clock.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
		if (data & mask)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
			ctrl |= E1000_CTRL_MDIO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
		else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
			ctrl &= ~E1000_CTRL_MDIO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
		ew32(CTRL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
		udelay(10);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
		e1000_raise_mdi_clk(hw, &ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
		e1000_lower_mdi_clk(hw, &ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
		mask = mask >> 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
 * e1000_shift_in_mdi_bits - Shifts data bits in from the PHY
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
 * Bits are shifted in in MSB to LSB order.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
static u16 e1000_shift_in_mdi_bits(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
	u32 ctrl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
	u16 data = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
	u8 i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
	/* In order to read a register from the PHY, we need to shift in a total
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
	 * of 18 bits from the PHY. The first two bit (turnaround) times are used
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
	 * to avoid contention on the MDIO pin when a read operation is performed.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
	 * These two bits are ignored by us and thrown away. Bits are "shifted in"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
	 * by raising the input to the Management Data Clock (setting the MDC bit),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
	 * and then reading the value of the MDIO bit.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
	ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
	/* Clear MDIO_DIR (SWDPIO1) to indicate this bit is to be used as input. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
	ctrl &= ~E1000_CTRL_MDIO_DIR;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
	ctrl &= ~E1000_CTRL_MDIO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
	ew32(CTRL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
	E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
	/* Raise and Lower the clock before reading in the data. This accounts for
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
	 * the turnaround bits. The first clock occurred when we clocked out the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
	 * last bit of the Register Address.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
	e1000_raise_mdi_clk(hw, &ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
	e1000_lower_mdi_clk(hw, &ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
	for (data = 0, i = 0; i < 16; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
		data = data << 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
		e1000_raise_mdi_clk(hw, &ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
		ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
		/* Check to see if we shifted in a "1". */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
		if (ctrl & E1000_CTRL_MDIO)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
			data |= 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
		e1000_lower_mdi_clk(hw, &ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
	e1000_raise_mdi_clk(hw, &ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
	e1000_lower_mdi_clk(hw, &ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
	return data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
 * e1000_read_phy_reg - read a phy register
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
 * @reg_addr: address of the PHY register to read
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
 * Reads the value from a PHY register, if the value is on a specific non zero
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
 * page, sets the page first.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
s32 e1000_read_phy_reg(struct e1000_hw *hw, u32 reg_addr, u16 *phy_data)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
	u32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
	e_dbg("e1000_read_phy_reg");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
	if ((hw->phy_type == e1000_phy_igp) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
	    (reg_addr > MAX_PHY_MULTI_PAGE_REG)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
		ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
						 (u16) reg_addr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
	ret_val = e1000_read_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
					phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
	return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
static s32 e1000_read_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
				 u16 *phy_data)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
	u32 i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
	u32 mdic = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
	const u32 phy_addr = (hw->mac_type == e1000_ce4100) ? hw->phy_addr : 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
	e_dbg("e1000_read_phy_reg_ex");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
	if (reg_addr > MAX_PHY_REG_ADDRESS) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
		e_dbg("PHY Address %d is out of range\n", reg_addr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
		return -E1000_ERR_PARAM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
	if (hw->mac_type > e1000_82543) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
		/* Set up Op-code, Phy Address, and register address in the MDI
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
		 * Control register.  The MAC will take care of interfacing with the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
		 * PHY to retrieve the desired data.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
		if (hw->mac_type == e1000_ce4100) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
			mdic = ((reg_addr << E1000_MDIC_REG_SHIFT) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
				(phy_addr << E1000_MDIC_PHY_SHIFT) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
				(INTEL_CE_GBE_MDIC_OP_READ) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
				(INTEL_CE_GBE_MDIC_GO));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
			writel(mdic, E1000_MDIO_CMD);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
			/* Poll the ready bit to see if the MDI read
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
			 * completed
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
			 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
			for (i = 0; i < 64; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
				udelay(50);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
				mdic = readl(E1000_MDIO_CMD);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
				if (!(mdic & INTEL_CE_GBE_MDIC_GO))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
					break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
			if (mdic & INTEL_CE_GBE_MDIC_GO) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
				e_dbg("MDI Read did not complete\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
				return -E1000_ERR_PHY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
			mdic = readl(E1000_MDIO_STS);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
			if (mdic & INTEL_CE_GBE_MDIC_READ_ERROR) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
				e_dbg("MDI Read Error\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
				return -E1000_ERR_PHY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
			*phy_data = (u16) mdic;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
			mdic = ((reg_addr << E1000_MDIC_REG_SHIFT) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
				(phy_addr << E1000_MDIC_PHY_SHIFT) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
				(E1000_MDIC_OP_READ));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
			ew32(MDIC, mdic);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
			/* Poll the ready bit to see if the MDI read
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
			 * completed
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
			 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
			for (i = 0; i < 64; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
				udelay(50);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
				mdic = er32(MDIC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
				if (mdic & E1000_MDIC_READY)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
					break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
			if (!(mdic & E1000_MDIC_READY)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
				e_dbg("MDI Read did not complete\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
				return -E1000_ERR_PHY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
			if (mdic & E1000_MDIC_ERROR) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
				e_dbg("MDI Error\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
				return -E1000_ERR_PHY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
			*phy_data = (u16) mdic;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
		/* We must first send a preamble through the MDIO pin to signal the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
		 * beginning of an MII instruction.  This is done by sending 32
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
		 * consecutive "1" bits.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
		e1000_shift_out_mdi_bits(hw, PHY_PREAMBLE, PHY_PREAMBLE_SIZE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
		/* Now combine the next few fields that are required for a read
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
		 * operation.  We use this method instead of calling the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
		 * e1000_shift_out_mdi_bits routine five different times. The format of
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
		 * a MII read instruction consists of a shift out of 14 bits and is
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
		 * defined as follows:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
		 *    <Preamble><SOF><Op Code><Phy Addr><Reg Addr>
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
		 * followed by a shift in of 18 bits.  This first two bits shifted in
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
		 * are TurnAround bits used to avoid contention on the MDIO pin when a
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
		 * READ operation is performed.  These two bits are thrown away
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
		 * followed by a shift in of 16 bits which contains the desired data.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
		mdic = ((reg_addr) | (phy_addr << 5) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
			(PHY_OP_READ << 10) | (PHY_SOF << 12));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
		e1000_shift_out_mdi_bits(hw, mdic, 14);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
		/* Now that we've shifted out the read command to the MII, we need to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
		 * "shift in" the 16-bit value (18 total bits) of the requested PHY
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
		 * register address.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
		*phy_data = e1000_shift_in_mdi_bits(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
 * e1000_write_phy_reg - write a phy register
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
 * @reg_addr: address of the PHY register to write
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
 * @data: data to write to the PHY
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
 * Writes a value to a PHY register
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 reg_addr, u16 phy_data)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
	u32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
	e_dbg("e1000_write_phy_reg");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
	if ((hw->phy_type == e1000_phy_igp) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
	    (reg_addr > MAX_PHY_MULTI_PAGE_REG)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
		ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
						 (u16) reg_addr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
	ret_val = e1000_write_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
					 phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
	return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
static s32 e1000_write_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
				  u16 phy_data)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
	u32 i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
	u32 mdic = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
	const u32 phy_addr = (hw->mac_type == e1000_ce4100) ? hw->phy_addr : 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
	e_dbg("e1000_write_phy_reg_ex");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
	if (reg_addr > MAX_PHY_REG_ADDRESS) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
		e_dbg("PHY Address %d is out of range\n", reg_addr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
		return -E1000_ERR_PARAM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
	if (hw->mac_type > e1000_82543) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
		/* Set up Op-code, Phy Address, register address, and data
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
		 * intended for the PHY register in the MDI Control register.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
		 * The MAC will take care of interfacing with the PHY to send
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
		 * the desired data.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
		if (hw->mac_type == e1000_ce4100) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
			mdic = (((u32) phy_data) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
				(reg_addr << E1000_MDIC_REG_SHIFT) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
				(phy_addr << E1000_MDIC_PHY_SHIFT) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
				(INTEL_CE_GBE_MDIC_OP_WRITE) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
				(INTEL_CE_GBE_MDIC_GO));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
			writel(mdic, E1000_MDIO_CMD);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
			/* Poll the ready bit to see if the MDI read
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
			 * completed
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
			 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
			for (i = 0; i < 640; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
				udelay(5);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
				mdic = readl(E1000_MDIO_CMD);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
				if (!(mdic & INTEL_CE_GBE_MDIC_GO))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
					break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
			if (mdic & INTEL_CE_GBE_MDIC_GO) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
				e_dbg("MDI Write did not complete\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
				return -E1000_ERR_PHY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
			mdic = (((u32) phy_data) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
				(reg_addr << E1000_MDIC_REG_SHIFT) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
				(phy_addr << E1000_MDIC_PHY_SHIFT) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
				(E1000_MDIC_OP_WRITE));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
			ew32(MDIC, mdic);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
			/* Poll the ready bit to see if the MDI read
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
			 * completed
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
			 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
			for (i = 0; i < 641; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
				udelay(5);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
				mdic = er32(MDIC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
				if (mdic & E1000_MDIC_READY)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
					break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
			if (!(mdic & E1000_MDIC_READY)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
				e_dbg("MDI Write did not complete\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
				return -E1000_ERR_PHY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
		/* We'll need to use the SW defined pins to shift the write command
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
		 * out to the PHY. We first send a preamble to the PHY to signal the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
		 * beginning of the MII instruction.  This is done by sending 32
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
		 * consecutive "1" bits.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
		e1000_shift_out_mdi_bits(hw, PHY_PREAMBLE, PHY_PREAMBLE_SIZE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
		/* Now combine the remaining required fields that will indicate a
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
		 * write operation. We use this method instead of calling the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
		 * e1000_shift_out_mdi_bits routine for each field in the command. The
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
		 * format of a MII write instruction is as follows:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
		 * <Preamble><SOF><Op Code><Phy Addr><Reg Addr><Turnaround><Data>.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
		mdic = ((PHY_TURNAROUND) | (reg_addr << 2) | (phy_addr << 7) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
			(PHY_OP_WRITE << 12) | (PHY_SOF << 14));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
		mdic <<= 16;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
		mdic |= (u32) phy_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
		e1000_shift_out_mdi_bits(hw, mdic, 32);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
 * e1000_phy_hw_reset - reset the phy, hardware style
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
 * Returns the PHY to the power-on reset state
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
s32 e1000_phy_hw_reset(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
	u32 ctrl, ctrl_ext;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
	u32 led_ctrl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
	e_dbg("e1000_phy_hw_reset");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
	e_dbg("Resetting Phy...\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
	if (hw->mac_type > e1000_82543) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
		/* Read the device control register and assert the E1000_CTRL_PHY_RST
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
		 * bit. Then, take it out of reset.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
		 * For e1000 hardware, we delay for 10ms between the assert
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
		 * and deassert.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
		ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
		ew32(CTRL, ctrl | E1000_CTRL_PHY_RST);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
		msleep(10);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
		ew32(CTRL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
		/* Read the Extended Device Control Register, assert the PHY_RESET_DIR
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
		 * bit to put the PHY into reset. Then, take it out of reset.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
		ctrl_ext = er32(CTRL_EXT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
		ctrl_ext |= E1000_CTRL_EXT_SDP4_DIR;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
		ctrl_ext &= ~E1000_CTRL_EXT_SDP4_DATA;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
		ew32(CTRL_EXT, ctrl_ext);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
		msleep(10);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
		ctrl_ext |= E1000_CTRL_EXT_SDP4_DATA;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
		ew32(CTRL_EXT, ctrl_ext);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
	udelay(150);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
	if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
		/* Configure activity LED after PHY reset */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
		led_ctrl = er32(LEDCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
		led_ctrl &= IGP_ACTIVITY_LED_MASK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
		led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
		ew32(LEDCTL, led_ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
	/* Wait for FW to finish PHY configuration. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	ret_val = e1000_get_phy_cfg_done(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
	if (ret_val != E1000_SUCCESS)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
	return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
 * e1000_phy_reset - reset the phy to commit settings
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
 * Resets the PHY
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
 * Sets bit 15 of the MII Control register
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
s32 e1000_phy_reset(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
	u16 phy_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
	e_dbg("e1000_phy_reset");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
	switch (hw->phy_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
	case e1000_phy_igp:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
		ret_val = e1000_phy_hw_reset(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
		ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
		phy_data |= MII_CR_RESET;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
		ret_val = e1000_write_phy_reg(hw, PHY_CTRL, phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
		udelay(1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
	if (hw->phy_type == e1000_phy_igp)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
		e1000_phy_init_script(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
 * e1000_detect_gig_phy - check the phy type
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
 * Probes the expected PHY address for known PHY IDs
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
static s32 e1000_detect_gig_phy(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
	s32 phy_init_status, ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
	u16 phy_id_high, phy_id_low;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
	bool match = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
	e_dbg("e1000_detect_gig_phy");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
	if (hw->phy_id != 0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
		return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
	/* Read the PHY ID Registers to identify which PHY is onboard. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	ret_val = e1000_read_phy_reg(hw, PHY_ID1, &phy_id_high);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
	hw->phy_id = (u32) (phy_id_high << 16);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
	udelay(20);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
	ret_val = e1000_read_phy_reg(hw, PHY_ID2, &phy_id_low);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
	hw->phy_id |= (u32) (phy_id_low & PHY_REVISION_MASK);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
	hw->phy_revision = (u32) phy_id_low & ~PHY_REVISION_MASK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
	case e1000_82543:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
		if (hw->phy_id == M88E1000_E_PHY_ID)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
			match = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
	case e1000_82544:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
		if (hw->phy_id == M88E1000_I_PHY_ID)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
			match = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
	case e1000_82540:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
	case e1000_82545:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
	case e1000_82545_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
	case e1000_82546:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
	case e1000_82546_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
		if (hw->phy_id == M88E1011_I_PHY_ID)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
			match = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
	case e1000_ce4100:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
		if ((hw->phy_id == RTL8211B_PHY_ID) ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
		    (hw->phy_id == RTL8201N_PHY_ID) ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
		    (hw->phy_id == M88E1118_E_PHY_ID))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
			match = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
	case e1000_82541:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
	case e1000_82541_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
	case e1000_82547:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
	case e1000_82547_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
		if (hw->phy_id == IGP01E1000_I_PHY_ID)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
			match = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
		e_dbg("Invalid MAC type %d\n", hw->mac_type);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
		return -E1000_ERR_CONFIG;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
	phy_init_status = e1000_set_phy_type(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
	if ((match) && (phy_init_status == E1000_SUCCESS)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
		e_dbg("PHY ID 0x%X detected\n", hw->phy_id);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
		return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
	e_dbg("Invalid PHY ID 0x%X\n", hw->phy_id);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
	return -E1000_ERR_PHY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
 * e1000_phy_reset_dsp - reset DSP
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
 * Resets the PHY's DSP
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
static s32 e1000_phy_reset_dsp(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
	e_dbg("e1000_phy_reset_dsp");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
	do {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
		ret_val = e1000_write_phy_reg(hw, 29, 0x001d);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
		ret_val = e1000_write_phy_reg(hw, 30, 0x00c1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
		ret_val = e1000_write_phy_reg(hw, 30, 0x0000);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
		ret_val = E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
	} while (0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
	return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
 * e1000_phy_igp_get_info - get igp specific registers
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
 * @phy_info: PHY information structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
 * Get PHY information from various PHY registers for igp PHY only.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
static s32 e1000_phy_igp_get_info(struct e1000_hw *hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
				  struct e1000_phy_info *phy_info)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
	u16 phy_data, min_length, max_length, average;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
	e1000_rev_polarity polarity;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
	e_dbg("e1000_phy_igp_get_info");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
	/* The downshift status is checked only once, after link is established,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
	 * and it stored in the hw->speed_downgraded parameter. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
	phy_info->downshift = (e1000_downshift) hw->speed_downgraded;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
	/* IGP01E1000 does not need to support it. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
	phy_info->extended_10bt_distance = e1000_10bt_ext_dist_enable_normal;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
	/* IGP01E1000 always correct polarity reversal */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
	phy_info->polarity_correction = e1000_polarity_reversal_enabled;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
	/* Check polarity status */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
	ret_val = e1000_check_polarity(hw, &polarity);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
	phy_info->cable_polarity = polarity;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
	ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
	phy_info->mdix_mode =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
	    (e1000_auto_x_mode) ((phy_data & IGP01E1000_PSSR_MDIX) >>
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
				 IGP01E1000_PSSR_MDIX_SHIFT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
	if ((phy_data & IGP01E1000_PSSR_SPEED_MASK) ==
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
	    IGP01E1000_PSSR_SPEED_1000MBPS) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
		/* Local/Remote Receiver Information are only valid at 1000 Mbps */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
		ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
		phy_info->local_rx = ((phy_data & SR_1000T_LOCAL_RX_STATUS) >>
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
				      SR_1000T_LOCAL_RX_STATUS_SHIFT) ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
		    e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
		phy_info->remote_rx = ((phy_data & SR_1000T_REMOTE_RX_STATUS) >>
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
				       SR_1000T_REMOTE_RX_STATUS_SHIFT) ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
		    e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
		/* Get cable length */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
		ret_val = e1000_get_cable_length(hw, &min_length, &max_length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
		/* Translate to old method */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
		average = (max_length + min_length) / 2;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
		if (average <= e1000_igp_cable_length_50)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
			phy_info->cable_length = e1000_cable_length_50;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
		else if (average <= e1000_igp_cable_length_80)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
			phy_info->cable_length = e1000_cable_length_50_80;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
		else if (average <= e1000_igp_cable_length_110)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
			phy_info->cable_length = e1000_cable_length_80_110;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
		else if (average <= e1000_igp_cable_length_140)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
			phy_info->cable_length = e1000_cable_length_110_140;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
		else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
			phy_info->cable_length = e1000_cable_length_140;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
 * e1000_phy_m88_get_info - get m88 specific registers
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
 * @phy_info: PHY information structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
 * Get PHY information from various PHY registers for m88 PHY only.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
static s32 e1000_phy_m88_get_info(struct e1000_hw *hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
				  struct e1000_phy_info *phy_info)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
	u16 phy_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
	e1000_rev_polarity polarity;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
	e_dbg("e1000_phy_m88_get_info");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
	/* The downshift status is checked only once, after link is established,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
	 * and it stored in the hw->speed_downgraded parameter. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
	phy_info->downshift = (e1000_downshift) hw->speed_downgraded;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
	phy_info->extended_10bt_distance =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
	    ((phy_data & M88E1000_PSCR_10BT_EXT_DIST_ENABLE) >>
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
	     M88E1000_PSCR_10BT_EXT_DIST_ENABLE_SHIFT) ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
	    e1000_10bt_ext_dist_enable_lower :
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
	    e1000_10bt_ext_dist_enable_normal;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
	phy_info->polarity_correction =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
	    ((phy_data & M88E1000_PSCR_POLARITY_REVERSAL) >>
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
	     M88E1000_PSCR_POLARITY_REVERSAL_SHIFT) ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
	    e1000_polarity_reversal_disabled : e1000_polarity_reversal_enabled;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
	/* Check polarity status */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
	ret_val = e1000_check_polarity(hw, &polarity);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
	phy_info->cable_polarity = polarity;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
	phy_info->mdix_mode =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
	    (e1000_auto_x_mode) ((phy_data & M88E1000_PSSR_MDIX) >>
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
				 M88E1000_PSSR_MDIX_SHIFT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
	if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
		/* Cable Length Estimation and Local/Remote Receiver Information
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
		 * are only valid at 1000 Mbps.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
		phy_info->cable_length =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
		    (e1000_cable_length) ((phy_data &
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
					   M88E1000_PSSR_CABLE_LENGTH) >>
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
					  M88E1000_PSSR_CABLE_LENGTH_SHIFT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
		ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
		phy_info->local_rx = ((phy_data & SR_1000T_LOCAL_RX_STATUS) >>
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
				      SR_1000T_LOCAL_RX_STATUS_SHIFT) ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
		    e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
		phy_info->remote_rx = ((phy_data & SR_1000T_REMOTE_RX_STATUS) >>
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
				       SR_1000T_REMOTE_RX_STATUS_SHIFT) ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
		    e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
 * e1000_phy_get_info - request phy info
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
 * @phy_info: PHY information structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
 * Get PHY information from various PHY registers
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
s32 e1000_phy_get_info(struct e1000_hw *hw, struct e1000_phy_info *phy_info)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
	u16 phy_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
	e_dbg("e1000_phy_get_info");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
	phy_info->cable_length = e1000_cable_length_undefined;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
	phy_info->extended_10bt_distance = e1000_10bt_ext_dist_enable_undefined;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
	phy_info->cable_polarity = e1000_rev_polarity_undefined;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
	phy_info->downshift = e1000_downshift_undefined;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	phy_info->polarity_correction = e1000_polarity_reversal_undefined;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
	phy_info->mdix_mode = e1000_auto_x_mode_undefined;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
	phy_info->local_rx = e1000_1000t_rx_status_undefined;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
	phy_info->remote_rx = e1000_1000t_rx_status_undefined;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
	if (hw->media_type != e1000_media_type_copper) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
		e_dbg("PHY info is only valid for copper media\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
		return -E1000_ERR_CONFIG;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
	if ((phy_data & MII_SR_LINK_STATUS) != MII_SR_LINK_STATUS) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
		e_dbg("PHY info is only valid if link is up\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
		return -E1000_ERR_CONFIG;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	if (hw->phy_type == e1000_phy_igp)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
		return e1000_phy_igp_get_info(hw, phy_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
	else if ((hw->phy_type == e1000_phy_8211) ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	         (hw->phy_type == e1000_phy_8201))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
		return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
	else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
		return e1000_phy_m88_get_info(hw, phy_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
s32 e1000_validate_mdi_setting(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
	e_dbg("e1000_validate_mdi_settings");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
	if (!hw->autoneg && (hw->mdix == 0 || hw->mdix == 3)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
		e_dbg("Invalid MDI setting detected\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
		hw->mdix = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
		return -E1000_ERR_CONFIG;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
 * e1000_init_eeprom_params - initialize sw eeprom vars
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
 * Sets up eeprom variables in the hw struct.  Must be called after mac_type
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
 * is configured.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
s32 e1000_init_eeprom_params(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
	u32 eecd = er32(EECD);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
	s32 ret_val = E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
	u16 eeprom_size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
	e_dbg("e1000_init_eeprom_params");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
	case e1000_82542_rev2_0:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
	case e1000_82542_rev2_1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
	case e1000_82543:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
	case e1000_82544:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
		eeprom->type = e1000_eeprom_microwire;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
		eeprom->word_size = 64;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
		eeprom->opcode_bits = 3;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
		eeprom->address_bits = 6;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
		eeprom->delay_usec = 50;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
	case e1000_82540:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
	case e1000_82545:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
	case e1000_82545_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
	case e1000_82546:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
	case e1000_82546_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
		eeprom->type = e1000_eeprom_microwire;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
		eeprom->opcode_bits = 3;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
		eeprom->delay_usec = 50;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
		if (eecd & E1000_EECD_SIZE) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
			eeprom->word_size = 256;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
			eeprom->address_bits = 8;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
			eeprom->word_size = 64;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
			eeprom->address_bits = 6;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
	case e1000_82541:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
	case e1000_82541_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
	case e1000_82547:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
	case e1000_82547_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
		if (eecd & E1000_EECD_TYPE) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
			eeprom->type = e1000_eeprom_spi;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
			eeprom->opcode_bits = 8;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
			eeprom->delay_usec = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
			if (eecd & E1000_EECD_ADDR_BITS) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
				eeprom->page_size = 32;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
				eeprom->address_bits = 16;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
			} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
				eeprom->page_size = 8;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
				eeprom->address_bits = 8;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
			eeprom->type = e1000_eeprom_microwire;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
			eeprom->opcode_bits = 3;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
			eeprom->delay_usec = 50;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
			if (eecd & E1000_EECD_ADDR_BITS) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
				eeprom->word_size = 256;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
				eeprom->address_bits = 8;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
			} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
				eeprom->word_size = 64;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
				eeprom->address_bits = 6;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
	if (eeprom->type == e1000_eeprom_spi) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
		/* eeprom_size will be an enum [0..8] that maps to eeprom sizes 128B to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
		 * 32KB (incremented by powers of 2).
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
		/* Set to default value for initial eeprom read. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
		eeprom->word_size = 64;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
		ret_val = e1000_read_eeprom(hw, EEPROM_CFG, 1, &eeprom_size);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
		eeprom_size =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
		    (eeprom_size & EEPROM_SIZE_MASK) >> EEPROM_SIZE_SHIFT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
		/* 256B eeprom size was not supported in earlier hardware, so we
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
		 * bump eeprom_size up one to ensure that "1" (which maps to 256B)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
		 * is never the result used in the shifting logic below. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
		if (eeprom_size)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
			eeprom_size++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
		eeprom->word_size = 1 << (eeprom_size + EEPROM_WORD_SIZE_SHIFT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
	return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
 * e1000_raise_ee_clk - Raises the EEPROM's clock input.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
 * @eecd: EECD's current value
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
static void e1000_raise_ee_clk(struct e1000_hw *hw, u32 *eecd)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
	/* Raise the clock input to the EEPROM (by setting the SK bit), and then
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
	 * wait <delay> microseconds.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
	*eecd = *eecd | E1000_EECD_SK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
	ew32(EECD, *eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
	E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
	udelay(hw->eeprom.delay_usec);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
 * e1000_lower_ee_clk - Lowers the EEPROM's clock input.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
 * @eecd: EECD's current value
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
static void e1000_lower_ee_clk(struct e1000_hw *hw, u32 *eecd)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
	/* Lower the clock input to the EEPROM (by clearing the SK bit), and then
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
	 * wait 50 microseconds.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
	*eecd = *eecd & ~E1000_EECD_SK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
	ew32(EECD, *eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
	E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
	udelay(hw->eeprom.delay_usec);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
 * e1000_shift_out_ee_bits - Shift data bits out to the EEPROM.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
 * @data: data to send to the EEPROM
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
 * @count: number of bits to shift out
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
static void e1000_shift_out_ee_bits(struct e1000_hw *hw, u16 data, u16 count)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
	u32 eecd;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
	u32 mask;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
	/* We need to shift "count" bits out to the EEPROM. So, value in the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
	 * "data" parameter will be shifted out to the EEPROM one bit at a time.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
	 * In order to do this, "data" must be broken down into bits.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
	mask = 0x01 << (count - 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
	eecd = er32(EECD);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
	if (eeprom->type == e1000_eeprom_microwire) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
		eecd &= ~E1000_EECD_DO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	} else if (eeprom->type == e1000_eeprom_spi) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
		eecd |= E1000_EECD_DO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
	do {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
		/* A "1" is shifted out to the EEPROM by setting bit "DI" to a "1",
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
		 * and then raising and then lowering the clock (the SK bit controls
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
		 * the clock input to the EEPROM).  A "0" is shifted out to the EEPROM
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
		 * by setting "DI" to "0" and then raising and then lowering the clock.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
		eecd &= ~E1000_EECD_DI;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
		if (data & mask)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
			eecd |= E1000_EECD_DI;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
		ew32(EECD, eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
		udelay(eeprom->delay_usec);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
		e1000_raise_ee_clk(hw, &eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
		e1000_lower_ee_clk(hw, &eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
		mask = mask >> 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
	} while (mask);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
	/* We leave the "DI" bit set to "0" when we leave this routine. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
	eecd &= ~E1000_EECD_DI;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
	ew32(EECD, eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
 * e1000_shift_in_ee_bits - Shift data bits in from the EEPROM
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
 * @count: number of bits to shift in
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
static u16 e1000_shift_in_ee_bits(struct e1000_hw *hw, u16 count)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
	u32 eecd;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
	u32 i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
	u16 data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
	/* In order to read a register from the EEPROM, we need to shift 'count'
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
	 * bits in from the EEPROM. Bits are "shifted in" by raising the clock
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
	 * input to the EEPROM (setting the SK bit), and then reading the value of
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
	 * the "DO" bit.  During this "shifting in" process the "DI" bit should
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
	 * always be clear.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
	eecd = er32(EECD);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
	eecd &= ~(E1000_EECD_DO | E1000_EECD_DI);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
	data = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
	for (i = 0; i < count; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
		data = data << 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
		e1000_raise_ee_clk(hw, &eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
		eecd = er32(EECD);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
		eecd &= ~(E1000_EECD_DI);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
		if (eecd & E1000_EECD_DO)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
			data |= 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
		e1000_lower_ee_clk(hw, &eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
	return data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
 * e1000_acquire_eeprom - Prepares EEPROM for access
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
 * Lowers EEPROM clock. Clears input pin. Sets the chip select pin. This
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
 * function should be called before issuing a command to the EEPROM.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
static s32 e1000_acquire_eeprom(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
	u32 eecd, i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
	e_dbg("e1000_acquire_eeprom");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
	eecd = er32(EECD);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
	/* Request EEPROM Access */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
	if (hw->mac_type > e1000_82544) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
		eecd |= E1000_EECD_REQ;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
		ew32(EECD, eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
		eecd = er32(EECD);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
		while ((!(eecd & E1000_EECD_GNT)) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
		       (i < E1000_EEPROM_GRANT_ATTEMPTS)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
			i++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
			udelay(5);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
			eecd = er32(EECD);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
		if (!(eecd & E1000_EECD_GNT)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
			eecd &= ~E1000_EECD_REQ;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
			ew32(EECD, eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
			e_dbg("Could not acquire EEPROM grant\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
			return -E1000_ERR_EEPROM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
	/* Setup EEPROM for Read/Write */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
	if (eeprom->type == e1000_eeprom_microwire) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
		/* Clear SK and DI */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
		eecd &= ~(E1000_EECD_DI | E1000_EECD_SK);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
		ew32(EECD, eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
		/* Set CS */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
		eecd |= E1000_EECD_CS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
		ew32(EECD, eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
	} else if (eeprom->type == e1000_eeprom_spi) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
		/* Clear SK and CS */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
		eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
		ew32(EECD, eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
		udelay(1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
 * e1000_standby_eeprom - Returns EEPROM to a "standby" state
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
static void e1000_standby_eeprom(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
	u32 eecd;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
	eecd = er32(EECD);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
	if (eeprom->type == e1000_eeprom_microwire) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
		eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
		ew32(EECD, eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
		udelay(eeprom->delay_usec);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
		/* Clock high */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
		eecd |= E1000_EECD_SK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
		ew32(EECD, eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
		udelay(eeprom->delay_usec);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
		/* Select EEPROM */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
		eecd |= E1000_EECD_CS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
		ew32(EECD, eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
		udelay(eeprom->delay_usec);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
		/* Clock low */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
		eecd &= ~E1000_EECD_SK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
		ew32(EECD, eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
		udelay(eeprom->delay_usec);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
	} else if (eeprom->type == e1000_eeprom_spi) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
		/* Toggle CS to flush commands */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
		eecd |= E1000_EECD_CS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
		ew32(EECD, eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
		udelay(eeprom->delay_usec);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
		eecd &= ~E1000_EECD_CS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
		ew32(EECD, eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
		udelay(eeprom->delay_usec);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
 * e1000_release_eeprom - drop chip select
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
 * Terminates a command by inverting the EEPROM's chip select pin
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
static void e1000_release_eeprom(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
	u32 eecd;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
	e_dbg("e1000_release_eeprom");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
	eecd = er32(EECD);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
	if (hw->eeprom.type == e1000_eeprom_spi) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
		eecd |= E1000_EECD_CS;	/* Pull CS high */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
		eecd &= ~E1000_EECD_SK;	/* Lower SCK */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
		ew32(EECD, eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
		udelay(hw->eeprom.delay_usec);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
	} else if (hw->eeprom.type == e1000_eeprom_microwire) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
		/* cleanup eeprom */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
		/* CS on Microwire is active-high */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
		eecd &= ~(E1000_EECD_CS | E1000_EECD_DI);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
		ew32(EECD, eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
		/* Rising edge of clock */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
		eecd |= E1000_EECD_SK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
		ew32(EECD, eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
		udelay(hw->eeprom.delay_usec);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
		/* Falling edge of clock */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
		eecd &= ~E1000_EECD_SK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
		ew32(EECD, eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
		udelay(hw->eeprom.delay_usec);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
	/* Stop requesting EEPROM access */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
	if (hw->mac_type > e1000_82544) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
		eecd &= ~E1000_EECD_REQ;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
		ew32(EECD, eecd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
 * e1000_spi_eeprom_ready - Reads a 16 bit word from the EEPROM.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
static s32 e1000_spi_eeprom_ready(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
	u16 retry_count = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
	u8 spi_stat_reg;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
	e_dbg("e1000_spi_eeprom_ready");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
	/* Read "Status Register" repeatedly until the LSB is cleared.  The
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
	 * EEPROM will signal that the command has been completed by clearing
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
	 * bit 0 of the internal status register.  If it's not cleared within
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
	 * 5 milliseconds, then error out.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
	retry_count = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
	do {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
		e1000_shift_out_ee_bits(hw, EEPROM_RDSR_OPCODE_SPI,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
					hw->eeprom.opcode_bits);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
		spi_stat_reg = (u8) e1000_shift_in_ee_bits(hw, 8);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
		if (!(spi_stat_reg & EEPROM_STATUS_RDY_SPI))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
		udelay(5);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
		retry_count += 5;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
		e1000_standby_eeprom(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
	} while (retry_count < EEPROM_MAX_RETRY_SPI);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
	/* ATMEL SPI write time could vary from 0-20mSec on 3.3V devices (and
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
	 * only 0-5mSec on 5V devices)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
	if (retry_count >= EEPROM_MAX_RETRY_SPI) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
		e_dbg("SPI EEPROM Status error\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
		return -E1000_ERR_EEPROM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
 * e1000_read_eeprom - Reads a 16 bit word from the EEPROM.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
 * @offset: offset of  word in the EEPROM to read
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
 * @data: word read from the EEPROM
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
 * @words: number of words to read
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
s32 e1000_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
	s32 ret;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
	spin_lock(&e1000_eeprom_lock);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
	ret = e1000_do_read_eeprom(hw, offset, words, data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
	spin_unlock(&e1000_eeprom_lock);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
	return ret;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
				u16 *data)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
	u32 i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
	e_dbg("e1000_read_eeprom");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
	if (hw->mac_type == e1000_ce4100) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
		GBE_CONFIG_FLASH_READ(GBE_CONFIG_BASE_VIRT, offset, words,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
		                      data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
		return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
	/* If eeprom is not yet detected, do so now */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
	if (eeprom->word_size == 0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
		e1000_init_eeprom_params(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
	/* A check for invalid values:  offset too large, too many words, and not
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
	 * enough words.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
	if ((offset >= eeprom->word_size)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
	    || (words > eeprom->word_size - offset) || (words == 0)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
		e_dbg("\"words\" parameter out of bounds. Words = %d,"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
		      "size = %d\n", offset, eeprom->word_size);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
		return -E1000_ERR_EEPROM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
	/* EEPROM's that don't use EERD to read require us to bit-bang the SPI
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
	 * directly. In this case, we need to acquire the EEPROM so that
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
	 * FW or other port software does not interrupt.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
	/* Prepare the EEPROM for bit-bang reading */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
	if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
		return -E1000_ERR_EEPROM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
	/* Set up the SPI or Microwire EEPROM for bit-bang reading.  We have
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
	 * acquired the EEPROM at this point, so any returns should release it */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
	if (eeprom->type == e1000_eeprom_spi) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
		u16 word_in;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
		u8 read_opcode = EEPROM_READ_OPCODE_SPI;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
		if (e1000_spi_eeprom_ready(hw)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
			e1000_release_eeprom(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
			return -E1000_ERR_EEPROM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
		e1000_standby_eeprom(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
		/* Some SPI eeproms use the 8th address bit embedded in the opcode */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
		if ((eeprom->address_bits == 8) && (offset >= 128))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
			read_opcode |= EEPROM_A8_OPCODE_SPI;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
		/* Send the READ command (opcode + addr)  */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
		e1000_shift_out_ee_bits(hw, read_opcode, eeprom->opcode_bits);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
		e1000_shift_out_ee_bits(hw, (u16) (offset * 2),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
					eeprom->address_bits);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
		/* Read the data.  The address of the eeprom internally increments with
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
		 * each byte (spi) being read, saving on the overhead of eeprom setup
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
		 * and tear-down.  The address counter will roll over if reading beyond
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
		 * the size of the eeprom, thus allowing the entire memory to be read
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
		 * starting from any offset. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
		for (i = 0; i < words; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
			word_in = e1000_shift_in_ee_bits(hw, 16);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
			data[i] = (word_in >> 8) | (word_in << 8);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
	} else if (eeprom->type == e1000_eeprom_microwire) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
		for (i = 0; i < words; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
			/* Send the READ command (opcode + addr)  */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
			e1000_shift_out_ee_bits(hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
						EEPROM_READ_OPCODE_MICROWIRE,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
						eeprom->opcode_bits);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
			e1000_shift_out_ee_bits(hw, (u16) (offset + i),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
						eeprom->address_bits);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
			/* Read the data.  For microwire, each word requires the overhead
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
			 * of eeprom setup and tear-down. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
			data[i] = e1000_shift_in_ee_bits(hw, 16);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
			e1000_standby_eeprom(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
	/* End this read operation */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
	e1000_release_eeprom(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
 * e1000_validate_eeprom_checksum - Verifies that the EEPROM has a valid checksum
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
 * Reads the first 64 16 bit words of the EEPROM and sums the values read.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
 * If the the sum of the 64 16 bit words is 0xBABA, the EEPROM's checksum is
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
 * valid.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
s32 e1000_validate_eeprom_checksum(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
	u16 checksum = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
	u16 i, eeprom_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
	e_dbg("e1000_validate_eeprom_checksum");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
	for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
		if (e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
			e_dbg("EEPROM Read Error\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
			return -E1000_ERR_EEPROM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
		checksum += eeprom_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
#ifdef CONFIG_PARISC
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
	/* This is a signature and not a checksum on HP c8000 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
	if ((hw->subsystem_vendor_id == 0x103C) && (eeprom_data == 0x16d6))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
		return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
#endif
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
	if (checksum == (u16) EEPROM_SUM)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
		return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
	else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
		e_dbg("EEPROM Checksum Invalid\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
		return -E1000_ERR_EEPROM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
 * e1000_update_eeprom_checksum - Calculates/writes the EEPROM checksum
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
 * Sums the first 63 16 bit words of the EEPROM. Subtracts the sum from 0xBABA.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
 * Writes the difference to word offset 63 of the EEPROM.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
s32 e1000_update_eeprom_checksum(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
	u16 checksum = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
	u16 i, eeprom_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
	e_dbg("e1000_update_eeprom_checksum");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
	for (i = 0; i < EEPROM_CHECKSUM_REG; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
		if (e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
			e_dbg("EEPROM Read Error\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
			return -E1000_ERR_EEPROM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
		checksum += eeprom_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
	checksum = (u16) EEPROM_SUM - checksum;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
	if (e1000_write_eeprom(hw, EEPROM_CHECKSUM_REG, 1, &checksum) < 0) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
		e_dbg("EEPROM Write Error\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
		return -E1000_ERR_EEPROM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
 * e1000_write_eeprom - write words to the different EEPROM types.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
 * @offset: offset within the EEPROM to be written to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
 * @words: number of words to write
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
 * @data: 16 bit word to be written to the EEPROM
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
 * If e1000_update_eeprom_checksum is not called after this function, the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
 * EEPROM will most likely contain an invalid checksum.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
s32 e1000_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
	s32 ret;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
	spin_lock(&e1000_eeprom_lock);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
	ret = e1000_do_write_eeprom(hw, offset, words, data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
	spin_unlock(&e1000_eeprom_lock);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
	return ret;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
				 u16 *data)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
	s32 status = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
	e_dbg("e1000_write_eeprom");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
	if (hw->mac_type == e1000_ce4100) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
		GBE_CONFIG_FLASH_WRITE(GBE_CONFIG_BASE_VIRT, offset, words,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
		                       data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
		return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
	/* If eeprom is not yet detected, do so now */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
	if (eeprom->word_size == 0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
		e1000_init_eeprom_params(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
	/* A check for invalid values:  offset too large, too many words, and not
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
	 * enough words.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
	if ((offset >= eeprom->word_size)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
	    || (words > eeprom->word_size - offset) || (words == 0)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
		e_dbg("\"words\" parameter out of bounds\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
		return -E1000_ERR_EEPROM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
	/* Prepare the EEPROM for writing  */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
	if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
		return -E1000_ERR_EEPROM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
	if (eeprom->type == e1000_eeprom_microwire) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
		status = e1000_write_eeprom_microwire(hw, offset, words, data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
		status = e1000_write_eeprom_spi(hw, offset, words, data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
		msleep(10);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
	/* Done with writing */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
	e1000_release_eeprom(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
	return status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
 * e1000_write_eeprom_spi - Writes a 16 bit word to a given offset in an SPI EEPROM.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
 * @offset: offset within the EEPROM to be written to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
 * @words: number of words to write
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
 * @data: pointer to array of 8 bit words to be written to the EEPROM
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
static s32 e1000_write_eeprom_spi(struct e1000_hw *hw, u16 offset, u16 words,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
				  u16 *data)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
	u16 widx = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
	e_dbg("e1000_write_eeprom_spi");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
	while (widx < words) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
		u8 write_opcode = EEPROM_WRITE_OPCODE_SPI;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
		if (e1000_spi_eeprom_ready(hw))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
			return -E1000_ERR_EEPROM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
		e1000_standby_eeprom(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
		/*  Send the WRITE ENABLE command (8 bit opcode )  */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
		e1000_shift_out_ee_bits(hw, EEPROM_WREN_OPCODE_SPI,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
					eeprom->opcode_bits);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
		e1000_standby_eeprom(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
		/* Some SPI eeproms use the 8th address bit embedded in the opcode */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
		if ((eeprom->address_bits == 8) && (offset >= 128))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
			write_opcode |= EEPROM_A8_OPCODE_SPI;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
		/* Send the Write command (8-bit opcode + addr) */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
		e1000_shift_out_ee_bits(hw, write_opcode, eeprom->opcode_bits);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
		e1000_shift_out_ee_bits(hw, (u16) ((offset + widx) * 2),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
					eeprom->address_bits);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
		/* Send the data */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
		/* Loop to allow for up to whole page write (32 bytes) of eeprom */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
		while (widx < words) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
			u16 word_out = data[widx];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
			word_out = (word_out >> 8) | (word_out << 8);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
			e1000_shift_out_ee_bits(hw, word_out, 16);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
			widx++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
			/* Some larger eeprom sizes are capable of a 32-byte PAGE WRITE
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
			 * operation, while the smaller eeproms are capable of an 8-byte
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
			 * PAGE WRITE operation.  Break the inner loop to pass new address
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
			 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
			if ((((offset + widx) * 2) % eeprom->page_size) == 0) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
				e1000_standby_eeprom(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
 * e1000_write_eeprom_microwire - Writes a 16 bit word to a given offset in a Microwire EEPROM.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
 * @offset: offset within the EEPROM to be written to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
 * @words: number of words to write
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
 * @data: pointer to array of 8 bit words to be written to the EEPROM
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
static s32 e1000_write_eeprom_microwire(struct e1000_hw *hw, u16 offset,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
					u16 words, u16 *data)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
	u32 eecd;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
	u16 words_written = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
	u16 i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
	e_dbg("e1000_write_eeprom_microwire");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
	/* Send the write enable command to the EEPROM (3-bit opcode plus
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
	 * 6/8-bit dummy address beginning with 11).  It's less work to include
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
	 * the 11 of the dummy address as part of the opcode than it is to shift
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
	 * it over the correct number of bits for the address.  This puts the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
	 * EEPROM into write/erase mode.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
	e1000_shift_out_ee_bits(hw, EEPROM_EWEN_OPCODE_MICROWIRE,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
				(u16) (eeprom->opcode_bits + 2));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
	e1000_shift_out_ee_bits(hw, 0, (u16) (eeprom->address_bits - 2));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
	/* Prepare the EEPROM */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
	e1000_standby_eeprom(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
	while (words_written < words) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
		/* Send the Write command (3-bit opcode + addr) */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
		e1000_shift_out_ee_bits(hw, EEPROM_WRITE_OPCODE_MICROWIRE,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
					eeprom->opcode_bits);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
		e1000_shift_out_ee_bits(hw, (u16) (offset + words_written),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
					eeprom->address_bits);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
		/* Send the data */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
		e1000_shift_out_ee_bits(hw, data[words_written], 16);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
		/* Toggle the CS line.  This in effect tells the EEPROM to execute
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
		 * the previous command.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
		e1000_standby_eeprom(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
		/* Read DO repeatedly until it is high (equal to '1').  The EEPROM will
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
		 * signal that the command has been completed by raising the DO signal.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
		 * If DO does not go high in 10 milliseconds, then error out.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
		for (i = 0; i < 200; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
			eecd = er32(EECD);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
			if (eecd & E1000_EECD_DO)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
			udelay(50);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
		if (i == 200) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
			e_dbg("EEPROM Write did not complete\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
			return -E1000_ERR_EEPROM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
		/* Recover from write */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
		e1000_standby_eeprom(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
		words_written++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
	/* Send the write disable command to the EEPROM (3-bit opcode plus
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
	 * 6/8-bit dummy address beginning with 10).  It's less work to include
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
	 * the 10 of the dummy address as part of the opcode than it is to shift
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
	 * it over the correct number of bits for the address.  This takes the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
	 * EEPROM out of write/erase mode.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
	e1000_shift_out_ee_bits(hw, EEPROM_EWDS_OPCODE_MICROWIRE,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
				(u16) (eeprom->opcode_bits + 2));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
	e1000_shift_out_ee_bits(hw, 0, (u16) (eeprom->address_bits - 2));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
 * e1000_read_mac_addr - read the adapters MAC from eeprom
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
 * Reads the adapter's MAC address from the EEPROM and inverts the LSB for the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
 * second function of dual function devices
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
s32 e1000_read_mac_addr(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
	u16 offset;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
	u16 eeprom_data, i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
	e_dbg("e1000_read_mac_addr");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
	for (i = 0; i < NODE_ADDRESS_SIZE; i += 2) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
		offset = i >> 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
		if (e1000_read_eeprom(hw, offset, 1, &eeprom_data) < 0) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
			e_dbg("EEPROM Read Error\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
			return -E1000_ERR_EEPROM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
		hw->perm_mac_addr[i] = (u8) (eeprom_data & 0x00FF);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
		hw->perm_mac_addr[i + 1] = (u8) (eeprom_data >> 8);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
	case e1000_82546:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
	case e1000_82546_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
			hw->perm_mac_addr[5] ^= 0x01;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
	for (i = 0; i < NODE_ADDRESS_SIZE; i++)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
		hw->mac_addr[i] = hw->perm_mac_addr[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
 * e1000_init_rx_addrs - Initializes receive address filters.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
 * Places the MAC address in receive address register 0 and clears the rest
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
 * of the receive address registers. Clears the multicast table. Assumes
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
 * the receiver is in reset when the routine is called.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
static void e1000_init_rx_addrs(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
	u32 i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
	u32 rar_num;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
	e_dbg("e1000_init_rx_addrs");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
	/* Setup the receive address. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
	e_dbg("Programming MAC Address into RAR[0]\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
	e1000_rar_set(hw, hw->mac_addr, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
	rar_num = E1000_RAR_ENTRIES;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
	/* Zero out the other 15 receive addresses. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
	e_dbg("Clearing RAR[1-15]\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
	for (i = 1; i < rar_num; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
		E1000_WRITE_REG_ARRAY(hw, RA, (i << 1), 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
		E1000_WRITE_REG_ARRAY(hw, RA, ((i << 1) + 1), 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
 * e1000_hash_mc_addr - Hashes an address to determine its location in the multicast table
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
 * @mc_addr: the multicast address to hash
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
	u32 hash_value = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
	/* The portion of the address that is used for the hash table is
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
	 * determined by the mc_filter_type setting.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
	switch (hw->mc_filter_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
		/* [0] [1] [2] [3] [4] [5]
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
		 * 01  AA  00  12  34  56
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
		 * LSB                 MSB
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
	case 0:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
		/* [47:36] i.e. 0x563 for above example address */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
		hash_value = ((mc_addr[4] >> 4) | (((u16) mc_addr[5]) << 4));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
	case 1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
		/* [46:35] i.e. 0xAC6 for above example address */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
		hash_value = ((mc_addr[4] >> 3) | (((u16) mc_addr[5]) << 5));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
	case 2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
		/* [45:34] i.e. 0x5D8 for above example address */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
		hash_value = ((mc_addr[4] >> 2) | (((u16) mc_addr[5]) << 6));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
	case 3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
		/* [43:32] i.e. 0x634 for above example address */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
		hash_value = ((mc_addr[4]) | (((u16) mc_addr[5]) << 8));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
	hash_value &= 0xFFF;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
	return hash_value;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
 * e1000_rar_set - Puts an ethernet address into a receive address register.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
 * @addr: Address to put into receive address register
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
 * @index: Receive address register to write
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
void e1000_rar_set(struct e1000_hw *hw, u8 *addr, u32 index)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
	u32 rar_low, rar_high;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
	/* HW expects these in little endian so we reverse the byte order
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
	 * from network order (big endian) to little endian
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
	rar_low = ((u32) addr[0] | ((u32) addr[1] << 8) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
		   ((u32) addr[2] << 16) | ((u32) addr[3] << 24));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
	rar_high = ((u32) addr[4] | ((u32) addr[5] << 8));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
	/* Disable Rx and flush all Rx frames before enabling RSS to avoid Rx
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
	 * unit hang.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
	 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
	 * Description:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
	 * If there are any Rx frames queued up or otherwise present in the HW
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
	 * before RSS is enabled, and then we enable RSS, the HW Rx unit will
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
	 * hang.  To work around this issue, we have to disable receives and
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
	 * flush out all Rx frames before we enable RSS. To do so, we modify we
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
	 * redirect all Rx traffic to manageability and then reset the HW.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
	 * This flushes away Rx frames, and (since the redirections to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
	 * manageability persists across resets) keeps new ones from coming in
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
	 * while we work.  Then, we clear the Address Valid AV bit for all MAC
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
	 * addresses and undo the re-direction to manageability.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
	 * Now, frames are coming in again, but the MAC won't accept them, so
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
	 * far so good.  We now proceed to initialize RSS (if necessary) and
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
	 * configure the Rx unit.  Last, we re-enable the AV bits and continue
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
	 * on our merry way.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
		/* Indicate to hardware the Address is Valid. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
		rar_high |= E1000_RAH_AV;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
	E1000_WRITE_REG_ARRAY(hw, RA, (index << 1), rar_low);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
	E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
	E1000_WRITE_REG_ARRAY(hw, RA, ((index << 1) + 1), rar_high);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
	E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
 * e1000_write_vfta - Writes a value to the specified offset in the VLAN filter table.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
 * @offset: Offset in VLAN filer table to write
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
 * @value: Value to write into VLAN filter table
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
	u32 temp;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
	if ((hw->mac_type == e1000_82544) && ((offset & 0x1) == 1)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
		temp = E1000_READ_REG_ARRAY(hw, VFTA, (offset - 1));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
		E1000_WRITE_REG_ARRAY(hw, VFTA, offset, value);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
		E1000_WRITE_REG_ARRAY(hw, VFTA, (offset - 1), temp);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
		E1000_WRITE_REG_ARRAY(hw, VFTA, offset, value);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
 * e1000_clear_vfta - Clears the VLAN filer table
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
static void e1000_clear_vfta(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
	u32 offset;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
	u32 vfta_value = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
	u32 vfta_offset = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
	u32 vfta_bit_in_reg = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
	for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
		/* If the offset we want to clear is the same offset of the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
		 * manageability VLAN ID, then clear all bits except that of the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
		 * manageability unit */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
		vfta_value = (offset == vfta_offset) ? vfta_bit_in_reg : 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
		E1000_WRITE_REG_ARRAY(hw, VFTA, offset, vfta_value);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
static s32 e1000_id_led_init(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
	u32 ledctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
	const u32 ledctl_mask = 0x000000FF;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
	const u32 ledctl_on = E1000_LEDCTL_MODE_LED_ON;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
	const u32 ledctl_off = E1000_LEDCTL_MODE_LED_OFF;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
	u16 eeprom_data, i, temp;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
	const u16 led_mask = 0x0F;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
	e_dbg("e1000_id_led_init");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
	if (hw->mac_type < e1000_82540) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
		/* Nothing to do */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
		return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
	ledctl = er32(LEDCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
	hw->ledctl_default = ledctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
	hw->ledctl_mode1 = hw->ledctl_default;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
	hw->ledctl_mode2 = hw->ledctl_default;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
	if (e1000_read_eeprom(hw, EEPROM_ID_LED_SETTINGS, 1, &eeprom_data) < 0) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
		e_dbg("EEPROM Read Error\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
		return -E1000_ERR_EEPROM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
	if ((eeprom_data == ID_LED_RESERVED_0000) ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
	    (eeprom_data == ID_LED_RESERVED_FFFF)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
		eeprom_data = ID_LED_DEFAULT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
	for (i = 0; i < 4; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
		temp = (eeprom_data >> (i << 2)) & led_mask;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
		switch (temp) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
		case ID_LED_ON1_DEF2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
		case ID_LED_ON1_ON2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
		case ID_LED_ON1_OFF2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
			hw->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
			hw->ledctl_mode1 |= ledctl_on << (i << 3);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
		case ID_LED_OFF1_DEF2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
		case ID_LED_OFF1_ON2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
		case ID_LED_OFF1_OFF2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
			hw->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
			hw->ledctl_mode1 |= ledctl_off << (i << 3);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
		default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
			/* Do nothing */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
		switch (temp) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
		case ID_LED_DEF1_ON2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
		case ID_LED_ON1_ON2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
		case ID_LED_OFF1_ON2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
			hw->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
			hw->ledctl_mode2 |= ledctl_on << (i << 3);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
		case ID_LED_DEF1_OFF2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
		case ID_LED_ON1_OFF2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
		case ID_LED_OFF1_OFF2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
			hw->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
			hw->ledctl_mode2 |= ledctl_off << (i << 3);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
		default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
			/* Do nothing */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
 * e1000_setup_led
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
 * Prepares SW controlable LED for use and saves the current state of the LED.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
s32 e1000_setup_led(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
	u32 ledctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
	s32 ret_val = E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
	e_dbg("e1000_setup_led");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
	case e1000_82542_rev2_0:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
	case e1000_82542_rev2_1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
	case e1000_82543:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
	case e1000_82544:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
		/* No setup necessary */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
	case e1000_82541:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
	case e1000_82547:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
	case e1000_82541_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
	case e1000_82547_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
		/* Turn off PHY Smart Power Down (if enabled) */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
		ret_val = e1000_read_phy_reg(hw, IGP01E1000_GMII_FIFO,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
					     &hw->phy_spd_default);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
		ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
					      (u16) (hw->phy_spd_default &
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
						     ~IGP01E1000_GMII_SPD));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
		/* Fall Through */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
		if (hw->media_type == e1000_media_type_fiber) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
			ledctl = er32(LEDCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
			/* Save current LEDCTL settings */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
			hw->ledctl_default = ledctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
			/* Turn off LED0 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
			ledctl &= ~(E1000_LEDCTL_LED0_IVRT |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
				    E1000_LEDCTL_LED0_BLINK |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
				    E1000_LEDCTL_LED0_MODE_MASK);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
			ledctl |= (E1000_LEDCTL_MODE_LED_OFF <<
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
				   E1000_LEDCTL_LED0_MODE_SHIFT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
			ew32(LEDCTL, ledctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
		} else if (hw->media_type == e1000_media_type_copper)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
			ew32(LEDCTL, hw->ledctl_mode1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
 * e1000_cleanup_led - Restores the saved state of the SW controlable LED.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
s32 e1000_cleanup_led(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
	s32 ret_val = E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
	e_dbg("e1000_cleanup_led");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
	case e1000_82542_rev2_0:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
	case e1000_82542_rev2_1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
	case e1000_82543:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
	case e1000_82544:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
		/* No cleanup necessary */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
	case e1000_82541:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
	case e1000_82547:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
	case e1000_82541_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
	case e1000_82547_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
		/* Turn on PHY Smart Power Down (if previously enabled) */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
		ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
					      hw->phy_spd_default);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
		/* Fall Through */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
		/* Restore LEDCTL settings */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
		ew32(LEDCTL, hw->ledctl_default);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
 * e1000_led_on - Turns on the software controllable LED
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
s32 e1000_led_on(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
	u32 ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
	e_dbg("e1000_led_on");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
	case e1000_82542_rev2_0:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
	case e1000_82542_rev2_1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
	case e1000_82543:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
		/* Set SW Defineable Pin 0 to turn on the LED */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
		ctrl |= E1000_CTRL_SWDPIN0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
		ctrl |= E1000_CTRL_SWDPIO0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
	case e1000_82544:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
		if (hw->media_type == e1000_media_type_fiber) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
			/* Set SW Defineable Pin 0 to turn on the LED */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
			ctrl |= E1000_CTRL_SWDPIN0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
			ctrl |= E1000_CTRL_SWDPIO0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
			/* Clear SW Defineable Pin 0 to turn on the LED */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
			ctrl &= ~E1000_CTRL_SWDPIN0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
			ctrl |= E1000_CTRL_SWDPIO0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
		if (hw->media_type == e1000_media_type_fiber) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
			/* Clear SW Defineable Pin 0 to turn on the LED */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
			ctrl &= ~E1000_CTRL_SWDPIN0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
			ctrl |= E1000_CTRL_SWDPIO0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
		} else if (hw->media_type == e1000_media_type_copper) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
			ew32(LEDCTL, hw->ledctl_mode2);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
			return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
	ew32(CTRL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
 * e1000_led_off - Turns off the software controllable LED
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
s32 e1000_led_off(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
	u32 ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
	e_dbg("e1000_led_off");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
	case e1000_82542_rev2_0:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
	case e1000_82542_rev2_1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
	case e1000_82543:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
		/* Clear SW Defineable Pin 0 to turn off the LED */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
		ctrl &= ~E1000_CTRL_SWDPIN0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
		ctrl |= E1000_CTRL_SWDPIO0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
	case e1000_82544:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
		if (hw->media_type == e1000_media_type_fiber) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
			/* Clear SW Defineable Pin 0 to turn off the LED */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
			ctrl &= ~E1000_CTRL_SWDPIN0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
			ctrl |= E1000_CTRL_SWDPIO0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
			/* Set SW Defineable Pin 0 to turn off the LED */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
			ctrl |= E1000_CTRL_SWDPIN0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
			ctrl |= E1000_CTRL_SWDPIO0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
		if (hw->media_type == e1000_media_type_fiber) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
			/* Set SW Defineable Pin 0 to turn off the LED */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
			ctrl |= E1000_CTRL_SWDPIN0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
			ctrl |= E1000_CTRL_SWDPIO0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
		} else if (hw->media_type == e1000_media_type_copper) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
			ew32(LEDCTL, hw->ledctl_mode1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
			return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
	ew32(CTRL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
 * e1000_clear_hw_cntrs - Clears all hardware statistics counters.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
static void e1000_clear_hw_cntrs(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
	volatile u32 temp;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
	temp = er32(CRCERRS);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
	temp = er32(SYMERRS);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
	temp = er32(MPC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
	temp = er32(SCC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
	temp = er32(ECOL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
	temp = er32(MCC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
	temp = er32(LATECOL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
	temp = er32(COLC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
	temp = er32(DC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
	temp = er32(SEC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
	temp = er32(RLEC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
	temp = er32(XONRXC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
	temp = er32(XONTXC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
	temp = er32(XOFFRXC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
	temp = er32(XOFFTXC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
	temp = er32(FCRUC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
	temp = er32(PRC64);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
	temp = er32(PRC127);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
	temp = er32(PRC255);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
	temp = er32(PRC511);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
	temp = er32(PRC1023);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
	temp = er32(PRC1522);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
	temp = er32(GPRC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
	temp = er32(BPRC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
	temp = er32(MPRC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
	temp = er32(GPTC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
	temp = er32(GORCL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
	temp = er32(GORCH);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
	temp = er32(GOTCL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
	temp = er32(GOTCH);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
	temp = er32(RNBC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
	temp = er32(RUC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
	temp = er32(RFC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
	temp = er32(ROC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
	temp = er32(RJC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
	temp = er32(TORL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
	temp = er32(TORH);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
	temp = er32(TOTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
	temp = er32(TOTH);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
	temp = er32(TPR);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
	temp = er32(TPT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
	temp = er32(PTC64);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
	temp = er32(PTC127);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
	temp = er32(PTC255);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
	temp = er32(PTC511);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
	temp = er32(PTC1023);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
	temp = er32(PTC1522);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
	temp = er32(MPTC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
	temp = er32(BPTC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
	if (hw->mac_type < e1000_82543)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
	temp = er32(ALGNERRC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
	temp = er32(RXERRC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
	temp = er32(TNCRS);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
	temp = er32(CEXTERR);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
	temp = er32(TSCTC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
	temp = er32(TSCTFC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
	if (hw->mac_type <= e1000_82544)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
	temp = er32(MGTPRC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
	temp = er32(MGTPDC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
	temp = er32(MGTPTC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
 * e1000_reset_adaptive - Resets Adaptive IFS to its default state.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
 * Call this after e1000_init_hw. You may override the IFS defaults by setting
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
 * hw->ifs_params_forced to true. However, you must initialize hw->
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
 * current_ifs_val, ifs_min_val, ifs_max_val, ifs_step_size, and ifs_ratio
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
 * before calling this function.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
void e1000_reset_adaptive(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
	e_dbg("e1000_reset_adaptive");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
	if (hw->adaptive_ifs) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
		if (!hw->ifs_params_forced) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
			hw->current_ifs_val = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
			hw->ifs_min_val = IFS_MIN;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
			hw->ifs_max_val = IFS_MAX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
			hw->ifs_step_size = IFS_STEP;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
			hw->ifs_ratio = IFS_RATIO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
		hw->in_ifs_mode = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
		ew32(AIT, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
		e_dbg("Not in Adaptive IFS mode!\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
 * e1000_update_adaptive - update adaptive IFS
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
 * @tx_packets: Number of transmits since last callback
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
 * @total_collisions: Number of collisions since last callback
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
 * Called during the callback/watchdog routine to update IFS value based on
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
 * the ratio of transmits to collisions.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
void e1000_update_adaptive(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
	e_dbg("e1000_update_adaptive");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
	if (hw->adaptive_ifs) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
		if ((hw->collision_delta *hw->ifs_ratio) > hw->tx_packet_delta) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
			if (hw->tx_packet_delta > MIN_NUM_XMITS) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
				hw->in_ifs_mode = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
				if (hw->current_ifs_val < hw->ifs_max_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
					if (hw->current_ifs_val == 0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
						hw->current_ifs_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
						    hw->ifs_min_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
					else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
						hw->current_ifs_val +=
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
						    hw->ifs_step_size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
					ew32(AIT, hw->current_ifs_val);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
				}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
			if (hw->in_ifs_mode
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
			    && (hw->tx_packet_delta <= MIN_NUM_XMITS)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
				hw->current_ifs_val = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
				hw->in_ifs_mode = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
				ew32(AIT, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
		e_dbg("Not in Adaptive IFS mode!\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
 * e1000_tbi_adjust_stats
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
 * @frame_len: The length of the frame in question
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
 * @mac_addr: The Ethernet destination address of the frame in question
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
 * Adjusts the statistic counters when a frame is accepted by TBI_ACCEPT
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
void e1000_tbi_adjust_stats(struct e1000_hw *hw, struct e1000_hw_stats *stats,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
			    u32 frame_len, u8 *mac_addr)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
	u64 carry_bit;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
	/* First adjust the frame length. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
	frame_len--;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
	/* We need to adjust the statistics counters, since the hardware
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
	 * counters overcount this packet as a CRC error and undercount
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
	 * the packet as a good packet
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
	/* This packet should not be counted as a CRC error.    */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
	stats->crcerrs--;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
	/* This packet does count as a Good Packet Received.    */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
	stats->gprc++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
	/* Adjust the Good Octets received counters             */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
	carry_bit = 0x80000000 & stats->gorcl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
	stats->gorcl += frame_len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
	/* If the high bit of Gorcl (the low 32 bits of the Good Octets
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
	 * Received Count) was one before the addition,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
	 * AND it is zero after, then we lost the carry out,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
	 * need to add one to Gorch (Good Octets Received Count High).
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
	 * This could be simplified if all environments supported
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
	 * 64-bit integers.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
	if (carry_bit && ((stats->gorcl & 0x80000000) == 0))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
		stats->gorch++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
	/* Is this a broadcast or multicast?  Check broadcast first,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
	 * since the test for a multicast frame will test positive on
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
	 * a broadcast frame.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
	if ((mac_addr[0] == (u8) 0xff) && (mac_addr[1] == (u8) 0xff))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
		/* Broadcast packet */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
		stats->bprc++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
	else if (*mac_addr & 0x01)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
		/* Multicast packet */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
		stats->mprc++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
	if (frame_len == hw->max_frame_size) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
		/* In this case, the hardware has overcounted the number of
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
		 * oversize frames.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
		if (stats->roc > 0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
			stats->roc--;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
	/* Adjust the bin counters when the extra byte put the frame in the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
	 * wrong bin. Remember that the frame_len was adjusted above.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
	if (frame_len == 64) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
		stats->prc64++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
		stats->prc127--;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
	} else if (frame_len == 127) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
		stats->prc127++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
		stats->prc255--;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
	} else if (frame_len == 255) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
		stats->prc255++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
		stats->prc511--;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
	} else if (frame_len == 511) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
		stats->prc511++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
		stats->prc1023--;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
	} else if (frame_len == 1023) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
		stats->prc1023++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
		stats->prc1522--;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
	} else if (frame_len == 1522) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
		stats->prc1522++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
 * e1000_get_bus_info
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
 * Gets the current PCI bus type, speed, and width of the hardware
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
void e1000_get_bus_info(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
	u32 status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
	case e1000_82542_rev2_0:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
	case e1000_82542_rev2_1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
		hw->bus_type = e1000_bus_type_pci;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
		hw->bus_speed = e1000_bus_speed_unknown;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
		hw->bus_width = e1000_bus_width_unknown;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
		status = er32(STATUS);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
		hw->bus_type = (status & E1000_STATUS_PCIX_MODE) ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
		    e1000_bus_type_pcix : e1000_bus_type_pci;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
		if (hw->device_id == E1000_DEV_ID_82546EB_QUAD_COPPER) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
			hw->bus_speed = (hw->bus_type == e1000_bus_type_pci) ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
			    e1000_bus_speed_66 : e1000_bus_speed_120;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
		} else if (hw->bus_type == e1000_bus_type_pci) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
			hw->bus_speed = (status & E1000_STATUS_PCI66) ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
			    e1000_bus_speed_66 : e1000_bus_speed_33;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
			switch (status & E1000_STATUS_PCIX_SPEED) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
			case E1000_STATUS_PCIX_SPEED_66:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
				hw->bus_speed = e1000_bus_speed_66;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
			case E1000_STATUS_PCIX_SPEED_100:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
				hw->bus_speed = e1000_bus_speed_100;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
			case E1000_STATUS_PCIX_SPEED_133:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
				hw->bus_speed = e1000_bus_speed_133;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
			default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
				hw->bus_speed = e1000_bus_speed_reserved;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
		hw->bus_width = (status & E1000_STATUS_BUS64) ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
		    e1000_bus_width_64 : e1000_bus_width_32;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
 * e1000_write_reg_io
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
 * @offset: offset to write to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
 * @value: value to write
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
 * Writes a value to one of the devices registers using port I/O (as opposed to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
 * memory mapped I/O). Only 82544 and newer devices support port I/O.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
static void e1000_write_reg_io(struct e1000_hw *hw, u32 offset, u32 value)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
	unsigned long io_addr = hw->io_base;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
	unsigned long io_data = hw->io_base + 4;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
	e1000_io_write(hw, io_addr, offset);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
	e1000_io_write(hw, io_data, value);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
 * e1000_get_cable_length - Estimates the cable length.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
 * @min_length: The estimated minimum length
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
 * @max_length: The estimated maximum length
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
 * returns: - E1000_ERR_XXX
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
 *            E1000_SUCCESS
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
 * This function always returns a ranged length (minimum & maximum).
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
 * So for M88 phy's, this function interprets the one value returned from the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
 * register to the minimum and maximum range.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
 * For IGP phy's, the function calculates the range by the AGC registers.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
static s32 e1000_get_cable_length(struct e1000_hw *hw, u16 *min_length,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
				  u16 *max_length)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
	u16 agc_value = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
	u16 i, phy_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
	u16 cable_length;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
	e_dbg("e1000_get_cable_length");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
	*min_length = *max_length = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
	/* Use old method for Phy older than IGP */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
	if (hw->phy_type == e1000_phy_m88) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
		ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
					     &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
		cable_length = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
		    M88E1000_PSSR_CABLE_LENGTH_SHIFT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
		/* Convert the enum value to ranged values */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
		switch (cable_length) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
		case e1000_cable_length_50:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
			*min_length = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
			*max_length = e1000_igp_cable_length_50;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
		case e1000_cable_length_50_80:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
			*min_length = e1000_igp_cable_length_50;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
			*max_length = e1000_igp_cable_length_80;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
		case e1000_cable_length_80_110:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
			*min_length = e1000_igp_cable_length_80;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
			*max_length = e1000_igp_cable_length_110;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
		case e1000_cable_length_110_140:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
			*min_length = e1000_igp_cable_length_110;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
			*max_length = e1000_igp_cable_length_140;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
		case e1000_cable_length_140:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
			*min_length = e1000_igp_cable_length_140;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
			*max_length = e1000_igp_cable_length_170;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
		default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
			return -E1000_ERR_PHY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
	} else if (hw->phy_type == e1000_phy_igp) {	/* For IGP PHY */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
		u16 cur_agc_value;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
		u16 min_agc_value = IGP01E1000_AGC_LENGTH_TABLE_SIZE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
		static const u16 agc_reg_array[IGP01E1000_PHY_CHANNEL_NUM] = {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
		       IGP01E1000_PHY_AGC_A,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
		       IGP01E1000_PHY_AGC_B,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
		       IGP01E1000_PHY_AGC_C,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
		       IGP01E1000_PHY_AGC_D
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
		};
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
		/* Read the AGC registers for all channels */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
		for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
			    e1000_read_phy_reg(hw, agc_reg_array[i], &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
			cur_agc_value = phy_data >> IGP01E1000_AGC_LENGTH_SHIFT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
			/* Value bound check. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
			if ((cur_agc_value >=
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
			     IGP01E1000_AGC_LENGTH_TABLE_SIZE - 1)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
			    || (cur_agc_value == 0))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
				return -E1000_ERR_PHY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
			agc_value += cur_agc_value;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
			/* Update minimal AGC value. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
			if (min_agc_value > cur_agc_value)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
				min_agc_value = cur_agc_value;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
		/* Remove the minimal AGC result for length < 50m */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
		if (agc_value <
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
		    IGP01E1000_PHY_CHANNEL_NUM * e1000_igp_cable_length_50) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
			agc_value -= min_agc_value;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
			/* Get the average length of the remaining 3 channels */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
			agc_value /= (IGP01E1000_PHY_CHANNEL_NUM - 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
			/* Get the average length of all the 4 channels. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
			agc_value /= IGP01E1000_PHY_CHANNEL_NUM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
		/* Set the range of the calculated length. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
		*min_length = ((e1000_igp_cable_length_table[agc_value] -
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
				IGP01E1000_AGC_RANGE) > 0) ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
		    (e1000_igp_cable_length_table[agc_value] -
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
		     IGP01E1000_AGC_RANGE) : 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
		*max_length = e1000_igp_cable_length_table[agc_value] +
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
		    IGP01E1000_AGC_RANGE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
 * e1000_check_polarity - Check the cable polarity
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
 * @polarity: output parameter : 0 - Polarity is not reversed
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
 *                               1 - Polarity is reversed.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
 * returns: - E1000_ERR_XXX
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
 *            E1000_SUCCESS
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
 * For phy's older than IGP, this function simply reads the polarity bit in the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
 * Phy Status register.  For IGP phy's, this bit is valid only if link speed is
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
 * 10 Mbps.  If the link speed is 100 Mbps there is no polarity so this bit will
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
 * return 0.  If the link speed is 1000 Mbps the polarity status is in the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
 * IGP01E1000_PHY_PCS_INIT_REG.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
static s32 e1000_check_polarity(struct e1000_hw *hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
				e1000_rev_polarity *polarity)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
	u16 phy_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
	e_dbg("e1000_check_polarity");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
	if (hw->phy_type == e1000_phy_m88) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
		/* return the Polarity bit in the Status register. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
		ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
					     &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
		*polarity = ((phy_data & M88E1000_PSSR_REV_POLARITY) >>
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
			     M88E1000_PSSR_REV_POLARITY_SHIFT) ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
		    e1000_rev_polarity_reversed : e1000_rev_polarity_normal;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
	} else if (hw->phy_type == e1000_phy_igp) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
		/* Read the Status register to check the speed */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
		ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
					     &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
		/* If speed is 1000 Mbps, must read the IGP01E1000_PHY_PCS_INIT_REG to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
		 * find the polarity status */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
		if ((phy_data & IGP01E1000_PSSR_SPEED_MASK) ==
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
		    IGP01E1000_PSSR_SPEED_1000MBPS) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
			/* Read the GIG initialization PCS register (0x00B4) */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
			    e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
					       &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
			/* Check the polarity bits */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
			*polarity = (phy_data & IGP01E1000_PHY_POLARITY_MASK) ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
			    e1000_rev_polarity_reversed :
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
			    e1000_rev_polarity_normal;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
			/* For 10 Mbps, read the polarity bit in the status register. (for
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
			 * 100 Mbps this bit is always 0) */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
			*polarity =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
			    (phy_data & IGP01E1000_PSSR_POLARITY_REVERSED) ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
			    e1000_rev_polarity_reversed :
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
			    e1000_rev_polarity_normal;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
 * e1000_check_downshift - Check if Downshift occurred
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
 * @downshift: output parameter : 0 - No Downshift occurred.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
 *                                1 - Downshift occurred.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
 * returns: - E1000_ERR_XXX
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
 *            E1000_SUCCESS
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
 * For phy's older than IGP, this function reads the Downshift bit in the Phy
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
 * Specific Status register.  For IGP phy's, it reads the Downgrade bit in the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
 * Link Health register.  In IGP this bit is latched high, so the driver must
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
 * read it immediately after link is established.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
static s32 e1000_check_downshift(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
	u16 phy_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
	e_dbg("e1000_check_downshift");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
	if (hw->phy_type == e1000_phy_igp) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
		ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_LINK_HEALTH,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
					     &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
		hw->speed_downgraded =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
		    (phy_data & IGP01E1000_PLHR_SS_DOWNGRADE) ? 1 : 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
	} else if (hw->phy_type == e1000_phy_m88) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
		ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
					     &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
		hw->speed_downgraded = (phy_data & M88E1000_PSSR_DOWNSHIFT) >>
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
		    M88E1000_PSSR_DOWNSHIFT_SHIFT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
 * e1000_config_dsp_after_link_change
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
 * @link_up: was link up at the time this was called
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
 * returns: - E1000_ERR_PHY if fail to read/write the PHY
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
 *            E1000_SUCCESS at any other case.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
 * 82541_rev_2 & 82547_rev_2 have the capability to configure the DSP when a
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
 * gigabit link is achieved to improve link quality.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
static s32 e1000_config_dsp_after_link_change(struct e1000_hw *hw, bool link_up)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
	u16 phy_data, phy_saved_data, speed, duplex, i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
	static const u16 dsp_reg_array[IGP01E1000_PHY_CHANNEL_NUM] = {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
	       IGP01E1000_PHY_AGC_PARAM_A,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
	       IGP01E1000_PHY_AGC_PARAM_B,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
	       IGP01E1000_PHY_AGC_PARAM_C,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
	       IGP01E1000_PHY_AGC_PARAM_D
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
	};
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
	u16 min_length, max_length;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
	e_dbg("e1000_config_dsp_after_link_change");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
	if (hw->phy_type != e1000_phy_igp)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
		return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
	if (link_up) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
		ret_val = e1000_get_speed_and_duplex(hw, &speed, &duplex);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
		if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
			e_dbg("Error getting link speed and duplex\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
		if (speed == SPEED_1000) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
			    e1000_get_cable_length(hw, &min_length,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
						   &max_length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
			if ((hw->dsp_config_state == e1000_dsp_config_enabled)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
			    && min_length >= e1000_igp_cable_length_50) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
				for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
					ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
					    e1000_read_phy_reg(hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
							       dsp_reg_array[i],
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
							       &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
					if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
						return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
					phy_data &=
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
					    ~IGP01E1000_PHY_EDAC_MU_INDEX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
					ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
					    e1000_write_phy_reg(hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
								dsp_reg_array
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
								[i], phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
					if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
						return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
				}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
				hw->dsp_config_state =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
				    e1000_dsp_config_activated;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
			if ((hw->ffe_config_state == e1000_ffe_config_enabled)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
			    && (min_length < e1000_igp_cable_length_50)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
				u16 ffe_idle_err_timeout =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
				    FFE_IDLE_ERR_COUNT_TIMEOUT_20;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
				u32 idle_errs = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
				/* clear previous idle error counts */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
				ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
				    e1000_read_phy_reg(hw, PHY_1000T_STATUS,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
						       &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
				if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
					return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
				for (i = 0; i < ffe_idle_err_timeout; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
					udelay(1000);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
					ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
					    e1000_read_phy_reg(hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
							       PHY_1000T_STATUS,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
							       &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
					if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
						return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
					idle_errs +=
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
					    (phy_data &
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
					     SR_1000T_IDLE_ERROR_CNT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
					if (idle_errs >
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
					    SR_1000T_PHY_EXCESSIVE_IDLE_ERR_COUNT)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
					{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
						hw->ffe_config_state =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
						    e1000_ffe_config_active;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
						ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
						    e1000_write_phy_reg(hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
									IGP01E1000_PHY_DSP_FFE,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
									IGP01E1000_PHY_DSP_FFE_CM_CP);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
						if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
							return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
						break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
					}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
					if (idle_errs)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
						ffe_idle_err_timeout =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
						    FFE_IDLE_ERR_COUNT_TIMEOUT_100;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
				}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
		if (hw->dsp_config_state == e1000_dsp_config_activated) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
			/* Save off the current value of register 0x2F5B to be restored at
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
			 * the end of the routines. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
			    e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
			/* Disable the PHY transmitter */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
			ret_val = e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5388
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5389
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5390
			mdelay(20);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5391
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5392
			ret_val = e1000_write_phy_reg(hw, 0x0000,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5393
						      IGP01E1000_IEEE_FORCE_GIGA);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5394
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5395
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5396
			for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5397
				ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5398
				    e1000_read_phy_reg(hw, dsp_reg_array[i],
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5399
						       &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5400
				if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5401
					return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5402
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5403
				phy_data &= ~IGP01E1000_PHY_EDAC_MU_INDEX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5404
				phy_data |= IGP01E1000_PHY_EDAC_SIGN_EXT_9_BITS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5405
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5406
				ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5407
				    e1000_write_phy_reg(hw, dsp_reg_array[i],
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5408
							phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5409
				if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5410
					return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5411
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5412
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5413
			ret_val = e1000_write_phy_reg(hw, 0x0000,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5414
						      IGP01E1000_IEEE_RESTART_AUTONEG);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5415
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5416
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5417
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5418
			mdelay(20);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5419
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5420
			/* Now enable the transmitter */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5421
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5422
			    e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5423
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5424
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5425
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5426
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5427
			hw->dsp_config_state = e1000_dsp_config_enabled;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5428
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5429
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5430
		if (hw->ffe_config_state == e1000_ffe_config_active) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5431
			/* Save off the current value of register 0x2F5B to be restored at
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5432
			 * the end of the routines. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5433
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5434
			    e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5435
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5436
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5437
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5438
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5439
			/* Disable the PHY transmitter */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5440
			ret_val = e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5441
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5442
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5443
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5444
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5445
			mdelay(20);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5446
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5447
			ret_val = e1000_write_phy_reg(hw, 0x0000,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5448
						      IGP01E1000_IEEE_FORCE_GIGA);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5449
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5450
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5451
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5452
			    e1000_write_phy_reg(hw, IGP01E1000_PHY_DSP_FFE,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5453
						IGP01E1000_PHY_DSP_FFE_DEFAULT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5454
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5455
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5456
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5457
			ret_val = e1000_write_phy_reg(hw, 0x0000,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5458
						      IGP01E1000_IEEE_RESTART_AUTONEG);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5459
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5460
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5461
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5462
			mdelay(20);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5463
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5464
			/* Now enable the transmitter */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5465
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5466
			    e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5467
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5468
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5469
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5470
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5471
			hw->ffe_config_state = e1000_ffe_config_enabled;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5472
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5473
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5474
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5475
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5476
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5477
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5478
 * e1000_set_phy_mode - Set PHY to class A mode
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5479
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5480
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5481
 * Assumes the following operations will follow to enable the new class mode.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5482
 *  1. Do a PHY soft reset
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5483
 *  2. Restart auto-negotiation or force link.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5484
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5485
static s32 e1000_set_phy_mode(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5486
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5487
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5488
	u16 eeprom_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5489
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5490
	e_dbg("e1000_set_phy_mode");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5491
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5492
	if ((hw->mac_type == e1000_82545_rev_3) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5493
	    (hw->media_type == e1000_media_type_copper)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5494
		ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5495
		    e1000_read_eeprom(hw, EEPROM_PHY_CLASS_WORD, 1,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5496
				      &eeprom_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5497
		if (ret_val) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5498
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5499
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5500
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5501
		if ((eeprom_data != EEPROM_RESERVED_WORD) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5502
		    (eeprom_data & EEPROM_PHY_CLASS_A)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5503
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5504
			    e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5505
						0x000B);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5506
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5507
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5508
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5509
			    e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5510
						0x8104);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5511
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5512
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5513
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5514
			hw->phy_reset_disable = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5515
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5516
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5517
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5518
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5519
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5520
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5521
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5522
 * e1000_set_d3_lplu_state - set d3 link power state
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5523
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5524
 * @active: true to enable lplu false to disable lplu.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5525
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5526
 * This function sets the lplu state according to the active flag.  When
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5527
 * activating lplu this function also disables smart speed and vise versa.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5528
 * lplu will not be activated unless the device autonegotiation advertisement
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5529
 * meets standards of either 10 or 10/100 or 10/100/1000 at all duplexes.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5530
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5531
 * returns: - E1000_ERR_PHY if fail to read/write the PHY
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5532
 *            E1000_SUCCESS at any other case.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5533
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5534
static s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5535
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5536
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5537
	u16 phy_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5538
	e_dbg("e1000_set_d3_lplu_state");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5539
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5540
	if (hw->phy_type != e1000_phy_igp)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5541
		return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5542
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5543
	/* During driver activity LPLU should not be used or it will attain link
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5544
	 * from the lowest speeds starting from 10Mbps. The capability is used for
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5545
	 * Dx transitions and states */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5546
	if (hw->mac_type == e1000_82541_rev_2
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5547
	    || hw->mac_type == e1000_82547_rev_2) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5548
		ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5549
		    e1000_read_phy_reg(hw, IGP01E1000_GMII_FIFO, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5550
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5551
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5552
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5553
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5554
	if (!active) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5555
		if (hw->mac_type == e1000_82541_rev_2 ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5556
		    hw->mac_type == e1000_82547_rev_2) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5557
			phy_data &= ~IGP01E1000_GMII_FLEX_SPD;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5558
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5559
			    e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5560
						phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5561
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5562
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5563
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5564
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5565
		/* LPLU and SmartSpeed are mutually exclusive.  LPLU is used during
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5566
		 * Dx states where the power conservation is most important.  During
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5567
		 * driver activity we should enable SmartSpeed, so performance is
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5568
		 * maintained. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5569
		if (hw->smart_speed == e1000_smart_speed_on) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5570
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5571
			    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5572
					       &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5573
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5574
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5575
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5576
			phy_data |= IGP01E1000_PSCFR_SMART_SPEED;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5577
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5578
			    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5579
						phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5580
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5581
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5582
		} else if (hw->smart_speed == e1000_smart_speed_off) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5583
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5584
			    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5585
					       &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5586
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5587
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5588
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5589
			phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5590
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5591
			    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5592
						phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5593
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5594
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5595
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5596
	} else if ((hw->autoneg_advertised == AUTONEG_ADVERTISE_SPEED_DEFAULT)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5597
		   || (hw->autoneg_advertised == AUTONEG_ADVERTISE_10_ALL)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5598
		   || (hw->autoneg_advertised ==
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5599
		       AUTONEG_ADVERTISE_10_100_ALL)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5600
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5601
		if (hw->mac_type == e1000_82541_rev_2 ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5602
		    hw->mac_type == e1000_82547_rev_2) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5603
			phy_data |= IGP01E1000_GMII_FLEX_SPD;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5604
			ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5605
			    e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5606
						phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5607
			if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5608
				return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5609
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5610
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5611
		/* When LPLU is enabled we should disable SmartSpeed */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5612
		ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5613
		    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5614
				       &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5615
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5616
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5617
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5618
		phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5619
		ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5620
		    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5621
					phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5622
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5623
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5624
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5625
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5626
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5627
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5628
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5629
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5630
 * e1000_set_vco_speed
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5631
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5632
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5633
 * Change VCO speed register to improve Bit Error Rate performance of SERDES.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5634
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5635
static s32 e1000_set_vco_speed(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5636
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5637
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5638
	u16 default_page = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5639
	u16 phy_data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5640
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5641
	e_dbg("e1000_set_vco_speed");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5642
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5643
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5644
	case e1000_82545_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5645
	case e1000_82546_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5646
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5647
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5648
		return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5649
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5650
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5651
	/* Set PHY register 30, page 5, bit 8 to 0 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5652
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5653
	ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5654
	    e1000_read_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, &default_page);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5655
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5656
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5657
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5658
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0005);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5659
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5660
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5661
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5662
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5663
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5664
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5665
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5666
	phy_data &= ~M88E1000_PHY_VCO_REG_BIT8;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5667
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5668
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5669
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5670
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5671
	/* Set PHY register 30, page 4, bit 11 to 1 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5672
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5673
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0004);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5674
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5675
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5676
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5677
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, &phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5678
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5679
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5680
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5681
	phy_data |= M88E1000_PHY_VCO_REG_BIT11;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5682
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, phy_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5683
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5684
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5685
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5686
	ret_val =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5687
	    e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, default_page);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5688
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5689
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5690
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5691
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5692
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5693
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5694
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5695
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5696
 * e1000_enable_mng_pass_thru - check for bmc pass through
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5697
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5698
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5699
 * Verifies the hardware needs to allow ARPs to be processed by the host
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5700
 * returns: - true/false
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5701
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5702
u32 e1000_enable_mng_pass_thru(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5703
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5704
	u32 manc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5705
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5706
	if (hw->asf_firmware_present) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5707
		manc = er32(MANC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5708
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5709
		if (!(manc & E1000_MANC_RCV_TCO_EN) ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5710
		    !(manc & E1000_MANC_EN_MAC_ADDR_FILTER))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5711
			return false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5712
		if ((manc & E1000_MANC_SMBUS_EN) && !(manc & E1000_MANC_ASF_EN))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5713
			return true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5714
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5715
	return false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5716
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5717
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5718
static s32 e1000_polarity_reversal_workaround(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5719
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5720
	s32 ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5721
	u16 mii_status_reg;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5722
	u16 i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5723
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5724
	/* Polarity reversal workaround for forced 10F/10H links. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5725
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5726
	/* Disable the transmitter on the PHY */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5727
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5728
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0019);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5729
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5730
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5731
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFFFF);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5732
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5733
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5734
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5735
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0000);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5736
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5737
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5738
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5739
	/* This loop will early-out if the NO link condition has been met. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5740
	for (i = PHY_FORCE_TIME; i > 0; i--) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5741
		/* Read the MII Status Register and wait for Link Status bit
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5742
		 * to be clear.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5743
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5744
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5745
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5746
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5747
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5748
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5749
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5750
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5751
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5752
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5753
		if ((mii_status_reg & ~MII_SR_LINK_STATUS) == 0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5754
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5755
		mdelay(100);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5756
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5757
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5758
	/* Recommended delay time after link has been lost */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5759
	mdelay(1000);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5760
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5761
	/* Now we will re-enable th transmitter on the PHY */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5762
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5763
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0019);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5764
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5765
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5766
	mdelay(50);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5767
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFFF0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5768
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5769
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5770
	mdelay(50);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5771
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFF00);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5772
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5773
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5774
	mdelay(50);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5775
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0x0000);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5776
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5777
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5778
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5779
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0000);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5780
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5781
		return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5782
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5783
	/* This loop will early-out if the link condition has been met. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5784
	for (i = PHY_FORCE_TIME; i > 0; i--) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5785
		/* Read the MII Status Register and wait for Link Status bit
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5786
		 * to be set.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5787
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5788
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5789
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5790
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5791
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5792
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5793
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5794
		if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5795
			return ret_val;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5796
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5797
		if (mii_status_reg & MII_SR_LINK_STATUS)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5798
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5799
		mdelay(100);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5800
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5801
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5802
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5803
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5804
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5805
 * e1000_get_auto_rd_done
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5806
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5807
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5808
 * Check for EEPROM Auto Read bit done.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5809
 * returns: - E1000_ERR_RESET if fail to reset MAC
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5810
 *            E1000_SUCCESS at any other case.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5811
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5812
static s32 e1000_get_auto_rd_done(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5813
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5814
	e_dbg("e1000_get_auto_rd_done");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5815
	msleep(5);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5816
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5817
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5818
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5819
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5820
 * e1000_get_phy_cfg_done
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5821
 * @hw: Struct containing variables accessed by shared code
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5822
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5823
 * Checks if the PHY configuration is done
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5824
 * returns: - E1000_ERR_RESET if fail to reset MAC
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5825
 *            E1000_SUCCESS at any other case.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5826
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5827
static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5828
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5829
	e_dbg("e1000_get_phy_cfg_done");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5830
	mdelay(10);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5831
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5832
}