devices/e1000/e1000_hw-3.12-ethercat.c
author Florian Pose <fp@igh-essen.com>
Fri, 16 Sep 2016 11:57:01 +0200
branchstable-1.5
changeset 2657 bb2163e6b145
parent 2586 5b89b4e38cdc
permissions -rw-r--r--
merge
2586
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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 "e1000-3.12-ethercat.h"
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static s32 e1000_check_downshift(struct e1000_hw *hw);
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static s32 e1000_check_polarity(struct e1000_hw *hw,
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				e1000_rev_polarity *polarity);
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static void e1000_clear_hw_cntrs(struct e1000_hw *hw);
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static void e1000_clear_vfta(struct e1000_hw *hw);
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static s32 e1000_config_dsp_after_link_change(struct e1000_hw *hw,
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					      bool link_up);
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static s32 e1000_config_fc_after_link_up(struct e1000_hw *hw);
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static s32 e1000_detect_gig_phy(struct e1000_hw *hw);
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static s32 e1000_get_auto_rd_done(struct e1000_hw *hw);
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static s32 e1000_get_cable_length(struct e1000_hw *hw, u16 *min_length,
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				  u16 *max_length);
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static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw);
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static s32 e1000_id_led_init(struct e1000_hw *hw);
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static void e1000_init_rx_addrs(struct e1000_hw *hw);
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static s32 e1000_phy_igp_get_info(struct e1000_hw *hw,
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				  struct e1000_phy_info *phy_info);
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static s32 e1000_phy_m88_get_info(struct e1000_hw *hw,
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				  struct e1000_phy_info *phy_info);
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static s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active);
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static s32 e1000_wait_autoneg(struct e1000_hw *hw);
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static void e1000_write_reg_io(struct e1000_hw *hw, u32 offset, u32 value);
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static s32 e1000_set_phy_type(struct e1000_hw *hw);
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static void e1000_phy_init_script(struct e1000_hw *hw);
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static s32 e1000_setup_copper_link(struct e1000_hw *hw);
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static s32 e1000_setup_fiber_serdes_link(struct e1000_hw *hw);
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static s32 e1000_adjust_serdes_amplitude(struct e1000_hw *hw);
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static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw);
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static s32 e1000_config_mac_to_phy(struct e1000_hw *hw);
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static void e1000_raise_mdi_clk(struct e1000_hw *hw, u32 *ctrl);
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static void e1000_lower_mdi_clk(struct e1000_hw *hw, u32 *ctrl);
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static void e1000_shift_out_mdi_bits(struct e1000_hw *hw, u32 data, u16 count);
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static u16 e1000_shift_in_mdi_bits(struct e1000_hw *hw);
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static s32 e1000_phy_reset_dsp(struct e1000_hw *hw);
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static s32 e1000_write_eeprom_spi(struct e1000_hw *hw, u16 offset,
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				  u16 words, u16 *data);
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static s32 e1000_write_eeprom_microwire(struct e1000_hw *hw, u16 offset,
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					u16 words, u16 *data);
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static s32 e1000_spi_eeprom_ready(struct e1000_hw *hw);
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static void e1000_raise_ee_clk(struct e1000_hw *hw, u32 *eecd);
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static void e1000_lower_ee_clk(struct e1000_hw *hw, u32 *eecd);
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static void e1000_shift_out_ee_bits(struct e1000_hw *hw, u16 data, u16 count);
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static s32 e1000_write_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
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				  u16 phy_data);
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static s32 e1000_read_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
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				 u16 *phy_data);
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static u16 e1000_shift_in_ee_bits(struct e1000_hw *hw, u16 count);
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static s32 e1000_acquire_eeprom(struct e1000_hw *hw);
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static void e1000_release_eeprom(struct e1000_hw *hw);
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static void e1000_standby_eeprom(struct e1000_hw *hw);
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static s32 e1000_set_vco_speed(struct e1000_hw *hw);
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static s32 e1000_polarity_reversal_workaround(struct e1000_hw *hw);
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static s32 e1000_set_phy_mode(struct e1000_hw *hw);
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static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
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				u16 *data);
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static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
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				 u16 *data);
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/* IGP cable length table */
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static const
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u16 e1000_igp_cable_length_table[IGP01E1000_AGC_LENGTH_TABLE_SIZE] = {
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	5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
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	5, 10, 10, 10, 10, 10, 10, 10, 20, 20, 20, 20, 20, 25, 25, 25,
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	25, 25, 25, 25, 30, 30, 30, 30, 40, 40, 40, 40, 40, 40, 40, 40,
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	40, 50, 50, 50, 50, 50, 50, 50, 60, 60, 60, 60, 60, 60, 60, 60,
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	60, 70, 70, 70, 70, 70, 70, 80, 80, 80, 80, 80, 80, 90, 90, 90,
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	90, 90, 90, 90, 90, 90, 100, 100, 100, 100, 100, 100, 100, 100, 100,
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	    100,
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	100, 100, 100, 100, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110,
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	    110, 110,
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	110, 110, 110, 110, 110, 110, 120, 120, 120, 120, 120, 120, 120, 120,
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	    120, 120
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};
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static DEFINE_SPINLOCK(e1000_eeprom_lock);
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static DEFINE_SPINLOCK(e1000_phy_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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   125
	case M88E1000_I_PHY_ID:
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   126
	case M88E1011_I_PHY_ID:
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   127
	case M88E1111_I_PHY_ID:
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   128
	case M88E1118_E_PHY_ID:
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   129
		hw->phy_type = e1000_phy_m88;
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   130
		break;
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   131
	case IGP01E1000_I_PHY_ID:
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   132
		if (hw->mac_type == e1000_82541 ||
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   133
		    hw->mac_type == e1000_82541_rev_2 ||
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   134
		    hw->mac_type == e1000_82547 ||
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   135
		    hw->mac_type == e1000_82547_rev_2)
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   136
			hw->phy_type = e1000_phy_igp;
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   137
		break;
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   138
	case RTL8211B_PHY_ID:
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   139
		hw->phy_type = e1000_phy_8211;
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   140
		break;
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   141
	case RTL8201N_PHY_ID:
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   142
		hw->phy_type = e1000_phy_8201;
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   143
		break;
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   144
	default:
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   145
		/* Should never have loaded on this device */
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   146
		hw->phy_type = e1000_phy_undefined;
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   147
		return -E1000_ERR_PHY_TYPE;
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   148
	}
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   149
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   150
	return E1000_SUCCESS;
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   151
}
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   152
5b89b4e38cdc Added all drivers for kernel 3.12.
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   153
/**
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   154
 * e1000_phy_init_script - IGP phy init script - initializes the GbE PHY
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   155
 * @hw: Struct containing variables accessed by shared code
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   156
 */
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   157
static void e1000_phy_init_script(struct e1000_hw *hw)
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   158
{
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   159
	u32 ret_val __attribute__ ((unused));
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   160
	u16 phy_saved_data;
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diff changeset
   161
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   162
	e_dbg("e1000_phy_init_script");
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diff changeset
   163
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diff changeset
   164
	if (hw->phy_init_script) {
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   165
		msleep(20);
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diff changeset
   166
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   167
		/* Save off the current value of register 0x2F5B to be restored
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   168
		 * at the end of this routine.
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   169
		 */
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   170
		ret_val = e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
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diff changeset
   171
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   172
		/* Disabled the PHY transmitter */
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   173
		e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
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   174
		msleep(20);
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diff changeset
   175
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   176
		e1000_write_phy_reg(hw, 0x0000, 0x0140);
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   177
		msleep(5);
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diff changeset
   178
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   179
		switch (hw->mac_type) {
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   180
		case e1000_82541:
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   181
		case e1000_82547:
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   182
			e1000_write_phy_reg(hw, 0x1F95, 0x0001);
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   183
			e1000_write_phy_reg(hw, 0x1F71, 0xBD21);
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diff changeset
   184
			e1000_write_phy_reg(hw, 0x1F79, 0x0018);
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   185
			e1000_write_phy_reg(hw, 0x1F30, 0x1600);
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diff changeset
   186
			e1000_write_phy_reg(hw, 0x1F31, 0x0014);
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parents:
diff changeset
   187
			e1000_write_phy_reg(hw, 0x1F32, 0x161C);
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parents:
diff changeset
   188
			e1000_write_phy_reg(hw, 0x1F94, 0x0003);
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diff changeset
   189
			e1000_write_phy_reg(hw, 0x1F96, 0x003F);
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diff changeset
   190
			e1000_write_phy_reg(hw, 0x2010, 0x0008);
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diff changeset
   191
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   192
5b89b4e38cdc Added all drivers for kernel 3.12.
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diff changeset
   193
		case e1000_82541_rev_2:
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diff changeset
   194
		case e1000_82547_rev_2:
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diff changeset
   195
			e1000_write_phy_reg(hw, 0x1F73, 0x0099);
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parents:
diff changeset
   196
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   197
		default:
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parents:
diff changeset
   198
			break;
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parents:
diff changeset
   199
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   200
5b89b4e38cdc Added all drivers for kernel 3.12.
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diff changeset
   201
		e1000_write_phy_reg(hw, 0x0000, 0x3300);
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diff changeset
   202
		msleep(20);
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   203
5b89b4e38cdc Added all drivers for kernel 3.12.
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   204
		/* Now enable the transmitter */
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diff changeset
   205
		e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   206
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   207
		if (hw->mac_type == e1000_82547) {
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parents:
diff changeset
   208
			u16 fused, fine, coarse;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   209
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   210
			/* Move to analog registers page */
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diff changeset
   211
			e1000_read_phy_reg(hw,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   212
					   IGP01E1000_ANALOG_SPARE_FUSE_STATUS,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   213
					   &fused);
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   214
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   215
			if (!(fused & IGP01E1000_ANALOG_SPARE_FUSE_ENABLED)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   216
				e1000_read_phy_reg(hw,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   217
						   IGP01E1000_ANALOG_FUSE_STATUS,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   218
						   &fused);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   219
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   220
				fine = fused & IGP01E1000_ANALOG_FUSE_FINE_MASK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
				coarse =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   222
				    fused & IGP01E1000_ANALOG_FUSE_COARSE_MASK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   223
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   224
				if (coarse >
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
				    IGP01E1000_ANALOG_FUSE_COARSE_THRESH) {
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   226
					coarse -=
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   227
					    IGP01E1000_ANALOG_FUSE_COARSE_10;
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   228
					fine -= IGP01E1000_ANALOG_FUSE_FINE_1;
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parents:
diff changeset
   229
				} else if (coarse ==
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parents:
diff changeset
   230
					   IGP01E1000_ANALOG_FUSE_COARSE_THRESH)
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   231
					fine -= IGP01E1000_ANALOG_FUSE_FINE_10;
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   232
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   233
				fused =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
				    (fused & IGP01E1000_ANALOG_FUSE_POLY_MASK) |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
				    (fine & IGP01E1000_ANALOG_FUSE_FINE_MASK) |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
				    (coarse &
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   237
				     IGP01E1000_ANALOG_FUSE_COARSE_MASK);
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   238
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
				e1000_write_phy_reg(hw,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   240
						    IGP01E1000_ANALOG_FUSE_CONTROL,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
						    fused);
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   242
				e1000_write_phy_reg(hw,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
						    IGP01E1000_ANALOG_FUSE_BYPASS,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
						    IGP01E1000_ANALOG_FUSE_ENABLE_SW_CONTROL);
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   245
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   246
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   247
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   248
}
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   249
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   250
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   251
 * e1000_set_mac_type - Set the mac type member in the hw struct.
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parents:
diff changeset
   252
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   253
 */
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parents:
diff changeset
   254
s32 e1000_set_mac_type(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   255
{
5b89b4e38cdc Added all drivers for kernel 3.12.
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parents:
diff changeset
   256
	e_dbg("e1000_set_mac_type");
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parents:
diff changeset
   257
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
	switch (hw->device_id) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
	case E1000_DEV_ID_82542:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
		switch (hw->revision_id) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
		case E1000_82542_2_0_REV_ID:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
			hw->mac_type = e1000_82542_rev2_0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
		case E1000_82542_2_1_REV_ID:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
			hw->mac_type = e1000_82542_rev2_1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
		default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
			/* Invalid 82542 revision ID */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
			return -E1000_ERR_MAC_TYPE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
	case E1000_DEV_ID_82543GC_FIBER:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
	case E1000_DEV_ID_82543GC_COPPER:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
		hw->mac_type = e1000_82543;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
	case E1000_DEV_ID_82544EI_COPPER:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
	case E1000_DEV_ID_82544EI_FIBER:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
	case E1000_DEV_ID_82544GC_COPPER:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
	case E1000_DEV_ID_82544GC_LOM:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
		hw->mac_type = e1000_82544;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
	case E1000_DEV_ID_82540EM:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
	case E1000_DEV_ID_82540EM_LOM:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
	case E1000_DEV_ID_82540EP:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
	case E1000_DEV_ID_82540EP_LOM:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
	case E1000_DEV_ID_82540EP_LP:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
		hw->mac_type = e1000_82540;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
	case E1000_DEV_ID_82545EM_COPPER:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
	case E1000_DEV_ID_82545EM_FIBER:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
		hw->mac_type = e1000_82545;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
	case E1000_DEV_ID_82545GM_COPPER:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
	case E1000_DEV_ID_82545GM_FIBER:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
	case E1000_DEV_ID_82545GM_SERDES:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
		hw->mac_type = e1000_82545_rev_3;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
	case E1000_DEV_ID_82546EB_COPPER:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
	case E1000_DEV_ID_82546EB_FIBER:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
		hw->mac_type = e1000_82546;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
	case E1000_DEV_ID_82546GB_COPPER:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
	case E1000_DEV_ID_82546GB_FIBER:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
	case E1000_DEV_ID_82546GB_SERDES:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
	case E1000_DEV_ID_82546GB_PCIE:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
	case E1000_DEV_ID_82546GB_QUAD_COPPER:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
		hw->mac_type = e1000_82546_rev_3;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
	case E1000_DEV_ID_82541EI:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
	case E1000_DEV_ID_82541EI_MOBILE:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
	case E1000_DEV_ID_82541ER_LOM:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
		hw->mac_type = e1000_82541;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
	case E1000_DEV_ID_82541ER:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
	case E1000_DEV_ID_82541GI:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
	case E1000_DEV_ID_82541GI_LF:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
	case E1000_DEV_ID_82541GI_MOBILE:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
		hw->mac_type = e1000_82541_rev_2;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
	case E1000_DEV_ID_82547EI:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
	case E1000_DEV_ID_82547EI_MOBILE:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
		hw->mac_type = e1000_82547;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
	case E1000_DEV_ID_82547GI:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
		hw->mac_type = e1000_82547_rev_2;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
	case E1000_DEV_ID_INTEL_CE4100_GBE:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
		hw->mac_type = e1000_ce4100;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
		/* Should never have loaded on this device */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
		return -E1000_ERR_MAC_TYPE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
	switch (hw->mac_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
	case e1000_82541:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
	case e1000_82547:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
	case e1000_82541_rev_2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
	case e1000_82547_rev_2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
		hw->asf_firmware_present = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
	/* The 82543 chip does not count tx_carrier_errors properly in
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
	 * FD mode
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
	if (hw->mac_type == e1000_82543)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
		hw->bad_tx_carr_stats_fd = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
	if (hw->mac_type > e1000_82544)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
		hw->has_smbus = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
 * e1000_set_media_type - Set media type and TBI compatibility.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
void e1000_set_media_type(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
	u32 status;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
	e_dbg("e1000_set_media_type");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
	if (hw->mac_type != e1000_82543) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
		/* tbi_compatibility is only valid on 82543 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
		hw->tbi_compatibility_en = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
	switch (hw->device_id) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
	case E1000_DEV_ID_82545GM_SERDES:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
	case E1000_DEV_ID_82546GB_SERDES:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
		hw->media_type = e1000_media_type_internal_serdes;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
		switch (hw->mac_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
		case e1000_82542_rev2_0:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
		case e1000_82542_rev2_1:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
			hw->media_type = e1000_media_type_fiber;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
		case e1000_ce4100:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
			hw->media_type = e1000_media_type_copper;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
		default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
			status = er32(STATUS);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
			if (status & E1000_STATUS_TBIMODE) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
				hw->media_type = e1000_media_type_fiber;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
				/* tbi_compatibility not valid on fiber */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
				hw->tbi_compatibility_en = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
			} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
				hw->media_type = e1000_media_type_copper;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
 * e1000_reset_hw - reset the hardware completely
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
 * Reset the transmit and receive units; mask and clear all interrupts.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
s32 e1000_reset_hw(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
	u32 ctrl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
	u32 ctrl_ext;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
	u32 icr __attribute__ ((unused));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
	u32 manc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
	u32 led_ctrl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
	e_dbg("e1000_reset_hw");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
	/* For 82542 (rev 2.0), disable MWI before issuing a device reset */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
	if (hw->mac_type == e1000_82542_rev2_0) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
		e_dbg("Disabling MWI on 82542 rev 2.0\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
		e1000_pci_clear_mwi(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
	/* Clear interrupt mask to stop board from generating interrupts */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
	e_dbg("Masking off all interrupts\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
	ew32(IMC, 0xffffffff);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
	/* Disable the Transmit and Receive units.  Then delay to allow
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
	 * any pending transactions to complete before we hit the MAC with
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
	 * the global reset.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
	ew32(RCTL, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
	ew32(TCTL, E1000_TCTL_PSP);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
	E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
	/* The tbi_compatibility_on Flag must be cleared when Rctl is cleared. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
	hw->tbi_compatibility_on = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
	/* Delay to allow any outstanding PCI transactions to complete before
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
	 * resetting the device
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
	msleep(10);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
	ctrl = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
	/* Must reset the PHY before resetting the MAC */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
	if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
		ew32(CTRL, (ctrl | E1000_CTRL_PHY_RST));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
		msleep(5);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
	/* Issue a global reset to the MAC.  This will reset the chip's
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
	 * transmit, receive, DMA, and link units.  It will not effect
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
	 * the current PCI configuration.  The global reset bit is self-
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
	 * clearing, and should clear within a microsecond.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
	e_dbg("Issuing a global reset to MAC\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
	switch (hw->mac_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
	case e1000_82544:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
	case e1000_82540:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
	case e1000_82545:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
	case e1000_82546:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
	case e1000_82541:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
	case e1000_82541_rev_2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
		/* These controllers can't ack the 64-bit write when issuing the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
		 * reset, so use IO-mapping as a workaround to issue the reset
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
		E1000_WRITE_REG_IO(hw, CTRL, (ctrl | E1000_CTRL_RST));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
	case e1000_82545_rev_3:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
	case e1000_82546_rev_3:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
		/* Reset is performed on a shadow of the control register */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
		ew32(CTRL_DUP, (ctrl | E1000_CTRL_RST));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
	case e1000_ce4100:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
		ew32(CTRL, (ctrl | E1000_CTRL_RST));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
	/* After MAC reset, force reload of EEPROM to restore power-on settings
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
	 * to device.  Later controllers reload the EEPROM automatically, so
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
	 * just wait for reload to complete.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
	switch (hw->mac_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
	case e1000_82542_rev2_0:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
	case e1000_82542_rev2_1:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
	case e1000_82543:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
	case e1000_82544:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
		/* Wait for reset to complete */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
		udelay(10);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
		ctrl_ext = er32(CTRL_EXT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
		ctrl_ext |= E1000_CTRL_EXT_EE_RST;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
		ew32(CTRL_EXT, ctrl_ext);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
		/* Wait for EEPROM reload */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
		msleep(2);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
	case e1000_82541:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
	case e1000_82541_rev_2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
	case e1000_82547:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
	case e1000_82547_rev_2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
		/* Wait for EEPROM reload */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
		msleep(20);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
		/* Auto read done will delay 5ms or poll based on mac type */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
		ret_val = e1000_get_auto_rd_done(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
	/* Disable HW ARPs on ASF enabled adapters */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
	if (hw->mac_type >= e1000_82540) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
		manc = er32(MANC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
		manc &= ~(E1000_MANC_ARP_EN);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
		ew32(MANC, manc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
		e1000_phy_init_script(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
		/* Configure activity LED after PHY reset */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
		led_ctrl = er32(LEDCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
		led_ctrl &= IGP_ACTIVITY_LED_MASK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
		led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
		ew32(LEDCTL, led_ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
	/* Clear interrupt mask to stop board from generating interrupts */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
	e_dbg("Masking off all interrupts\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
	ew32(IMC, 0xffffffff);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
	/* Clear any pending interrupt events. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
	icr = er32(ICR);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
	/* If MWI was previously enabled, reenable it. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
	if (hw->mac_type == e1000_82542_rev2_0) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
		if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
			e1000_pci_set_mwi(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
 * e1000_init_hw - Performs basic configuration of the adapter.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
 * Assumes that the controller has previously been reset and is in a
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
 * post-reset uninitialized state. Initializes the receive address registers,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
 * multicast table, and VLAN filter table. Calls routines to setup link
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
 * configuration and flow control settings. Clears all on-chip counters. Leaves
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
 * the transmit and receive units disabled and uninitialized.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
s32 e1000_init_hw(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
	u32 ctrl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
	u32 i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
	u32 mta_size;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
	u32 ctrl_ext;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
	e_dbg("e1000_init_hw");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
	/* Initialize Identification LED */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
	ret_val = e1000_id_led_init(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
	if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
		e_dbg("Error Initializing Identification LED\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	/* Set the media type and TBI compatibility */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	e1000_set_media_type(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	/* Disabling VLAN filtering. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	e_dbg("Initializing the IEEE VLAN\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
	if (hw->mac_type < e1000_82545_rev_3)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
		ew32(VET, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
	e1000_clear_vfta(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
	/* For 82542 (rev 2.0), disable MWI and put the receiver into reset */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
	if (hw->mac_type == e1000_82542_rev2_0) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
		e_dbg("Disabling MWI on 82542 rev 2.0\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
		e1000_pci_clear_mwi(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
		ew32(RCTL, E1000_RCTL_RST);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
		msleep(5);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	/* Setup the receive address. This involves initializing all of the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	 * Receive Address Registers (RARs 0 - 15).
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
	e1000_init_rx_addrs(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
	/* For 82542 (rev 2.0), take the receiver out of reset and enable MWI */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
	if (hw->mac_type == e1000_82542_rev2_0) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
		ew32(RCTL, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
		msleep(1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
		if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
			e1000_pci_set_mwi(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	/* Zero out the Multicast HASH table */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
	e_dbg("Zeroing the MTA\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
	mta_size = E1000_MC_TBL_SIZE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
	for (i = 0; i < mta_size; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
		E1000_WRITE_REG_ARRAY(hw, MTA, i, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
		/* use write flush to prevent Memory Write Block (MWB) from
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
		 * occurring when accessing our register space
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
	/* Set the PCI priority bit correctly in the CTRL register.  This
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
	 * determines if the adapter gives priority to receives, or if it
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
	 * gives equal priority to transmits and receives.  Valid only on
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
	 * 82542 and 82543 silicon.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
	if (hw->dma_fairness && hw->mac_type <= e1000_82543) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
		ctrl = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
		ew32(CTRL, ctrl | E1000_CTRL_PRIOR);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
	switch (hw->mac_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
	case e1000_82545_rev_3:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
	case e1000_82546_rev_3:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
		/* Workaround for PCI-X problem when BIOS sets MMRBC
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
		 * incorrectly.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
		if (hw->bus_type == e1000_bus_type_pcix
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
		    && e1000_pcix_get_mmrbc(hw) > 2048)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
			e1000_pcix_set_mmrbc(hw, 2048);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	/* Call a subroutine to configure the link and setup flow control. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
	ret_val = e1000_setup_link(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
	/* Set the transmit descriptor write-back policy */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
	if (hw->mac_type > e1000_82544) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
		ctrl = er32(TXDCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
		ctrl =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
		    (ctrl & ~E1000_TXDCTL_WTHRESH) |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
		    E1000_TXDCTL_FULL_TX_DESC_WB;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
		ew32(TXDCTL, ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
	/* Clear all of the statistics registers (clear on read).  It is
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
	 * important that we do this after we have tried to establish link
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
	 * because the symbol error count will increment wildly if there
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
	 * is no link.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
	e1000_clear_hw_cntrs(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
	if (hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
	    hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
		ctrl_ext = er32(CTRL_EXT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
		/* Relaxed ordering must be disabled to avoid a parity
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
		 * error crash in a PCI slot.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
		ctrl_ext |= E1000_CTRL_EXT_RO_DIS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
		ew32(CTRL_EXT, ctrl_ext);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
	return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
 * e1000_adjust_serdes_amplitude - Adjust SERDES output amplitude based on EEPROM setting.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
 * @hw: Struct containing variables accessed by shared code.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
static s32 e1000_adjust_serdes_amplitude(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
	u16 eeprom_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
	e_dbg("e1000_adjust_serdes_amplitude");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
	if (hw->media_type != e1000_media_type_internal_serdes)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
		return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	switch (hw->mac_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
	case e1000_82545_rev_3:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
	case e1000_82546_rev_3:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
		return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
	ret_val = e1000_read_eeprom(hw, EEPROM_SERDES_AMPLITUDE, 1,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
	                            &eeprom_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
	if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
	if (eeprom_data != EEPROM_RESERVED_WORD) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
		/* Adjust SERDES output amplitude only. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
		eeprom_data &= EEPROM_SERDES_AMPLITUDE_MASK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
		ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
		    e1000_write_phy_reg(hw, M88E1000_PHY_EXT_CTRL, eeprom_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
 * e1000_setup_link - Configures flow control and link settings.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
 * Determines which flow control settings to use. Calls the appropriate media-
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
 * specific link configuration function. Configures the flow control settings.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
 * Assuming the adapter has a valid link partner, a valid link should be
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
 * established. Assumes the hardware has previously been reset and the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
 * transmitter and receiver are not enabled.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
s32 e1000_setup_link(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	u32 ctrl_ext;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
	u16 eeprom_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
	e_dbg("e1000_setup_link");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
	/* Read and store word 0x0F of the EEPROM. This word contains bits
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
	 * that determine the hardware's default PAUSE (flow control) mode,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
	 * a bit that determines whether the HW defaults to enabling or
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
	 * disabling auto-negotiation, and the direction of the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
	 * SW defined pins. If there is no SW over-ride of the flow
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
	 * control setting, then the variable hw->fc will
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
	 * be initialized based on a value in the EEPROM.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
	if (hw->fc == E1000_FC_DEFAULT) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
		ret_val = e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
					    1, &eeprom_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
		if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
			e_dbg("EEPROM Read Error\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
			return -E1000_ERR_EEPROM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
		if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == 0)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
			hw->fc = E1000_FC_NONE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
		else if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) ==
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
			 EEPROM_WORD0F_ASM_DIR)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
			hw->fc = E1000_FC_TX_PAUSE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
		else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
			hw->fc = E1000_FC_FULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
	/* We want to save off the original Flow Control configuration just
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
	 * in case we get disconnected and then reconnected into a different
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
	 * hub or switch with different Flow Control capabilities.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
	if (hw->mac_type == e1000_82542_rev2_0)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
		hw->fc &= (~E1000_FC_TX_PAUSE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
	if ((hw->mac_type < e1000_82543) && (hw->report_tx_early == 1))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
		hw->fc &= (~E1000_FC_RX_PAUSE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
	hw->original_fc = hw->fc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
	e_dbg("After fix-ups FlowControl is now = %x\n", hw->fc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
	/* Take the 4 bits from EEPROM word 0x0F that determine the initial
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
	 * polarity value for the SW controlled pins, and setup the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
	 * Extended Device Control reg with that info.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
	 * This is needed because one of the SW controlled pins is used for
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
	 * signal detection.  So this should be done before e1000_setup_pcs_link()
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
	 * or e1000_phy_setup() is called.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
	if (hw->mac_type == e1000_82543) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
		ret_val = e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
					    1, &eeprom_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
		if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
			e_dbg("EEPROM Read Error\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
			return -E1000_ERR_EEPROM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
		ctrl_ext = ((eeprom_data & EEPROM_WORD0F_SWPDIO_EXT) <<
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
			    SWDPIO__EXT_SHIFT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
		ew32(CTRL_EXT, ctrl_ext);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	/* Call the necessary subroutine to configure the link. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	ret_val = (hw->media_type == e1000_media_type_copper) ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
	    e1000_setup_copper_link(hw) : e1000_setup_fiber_serdes_link(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
	/* Initialize the flow control address, type, and PAUSE timer
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	 * registers to their default values.  This is done even if flow
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
	 * control is disabled, because it does not hurt anything to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
	 * initialize these registers.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
	e_dbg("Initializing the Flow Control address, type and timer regs\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
	ew32(FCT, FLOW_CONTROL_TYPE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
	ew32(FCAH, FLOW_CONTROL_ADDRESS_HIGH);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
	ew32(FCAL, FLOW_CONTROL_ADDRESS_LOW);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
	ew32(FCTTV, hw->fc_pause_time);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
	/* Set the flow control receive threshold registers.  Normally,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
	 * these registers will be set to a default threshold that may be
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
	 * adjusted later by the driver's runtime code.  However, if the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
	 * ability to transmit pause frames in not enabled, then these
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
	 * registers will be set to 0.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
	if (!(hw->fc & E1000_FC_TX_PAUSE)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
		ew32(FCRTL, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
		ew32(FCRTH, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
		/* We need to set up the Receive Threshold high and low water
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
		 * marks as well as (optionally) enabling the transmission of
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
		 * XON frames.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
		if (hw->fc_send_xon) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
			ew32(FCRTL, (hw->fc_low_water | E1000_FCRTL_XONE));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
			ew32(FCRTH, hw->fc_high_water);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
			ew32(FCRTL, hw->fc_low_water);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
			ew32(FCRTH, hw->fc_high_water);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
	return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
 * e1000_setup_fiber_serdes_link - prepare fiber or serdes link
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
 * Manipulates Physical Coding Sublayer functions in order to configure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
 * link. Assumes the hardware has been previously reset and the transmitter
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
 * and receiver are not enabled.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
static s32 e1000_setup_fiber_serdes_link(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
	u32 ctrl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
	u32 status;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
	u32 txcw = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
	u32 i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
	u32 signal = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
	e_dbg("e1000_setup_fiber_serdes_link");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
	/* On adapters with a MAC newer than 82544, SWDP 1 will be
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
	 * set when the optics detect a signal. On older adapters, it will be
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
	 * cleared when there is a signal.  This applies to fiber media only.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
	 * If we're on serdes media, adjust the output amplitude to value
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
	 * set in the EEPROM.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
	ctrl = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
	if (hw->media_type == e1000_media_type_fiber)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
		signal = (hw->mac_type > e1000_82544) ? E1000_CTRL_SWDPIN1 : 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
	ret_val = e1000_adjust_serdes_amplitude(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
	/* Take the link out of reset */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
	ctrl &= ~(E1000_CTRL_LRST);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
	/* Adjust VCO speed to improve BER performance */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
	ret_val = e1000_set_vco_speed(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	e1000_config_collision_dist(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
	/* Check for a software override of the flow control settings, and setup
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
	 * the device accordingly.  If auto-negotiation is enabled, then
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
	 * software will have to set the "PAUSE" bits to the correct value in
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
	 * the Tranmsit Config Word Register (TXCW) and re-start
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	 * auto-negotiation.  However, if auto-negotiation is disabled, then
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
	 * software will have to manually configure the two flow control enable
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
	 * bits in the CTRL register.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
	 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
	 * The possible values of the "fc" parameter are:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
	 *  0:  Flow control is completely disabled
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
	 *  1:  Rx flow control is enabled (we can receive pause frames, but
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
	 *      not send pause frames).
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
	 *  2:  Tx flow control is enabled (we can send pause frames but we do
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
	 *      not support receiving pause frames).
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
	 *  3:  Both Rx and TX flow control (symmetric) are enabled.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
	switch (hw->fc) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
	case E1000_FC_NONE:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
		/* Flow ctrl is completely disabled by a software over-ride */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
	case E1000_FC_RX_PAUSE:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
		/* Rx Flow control is enabled and Tx Flow control is disabled by
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
		 * a software over-ride. Since there really isn't a way to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
		 * advertise that we are capable of Rx Pause ONLY, we will
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
		 * advertise that we support both symmetric and asymmetric Rx
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
		 * PAUSE. Later, we will disable the adapter's ability to send
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
		 * PAUSE frames.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
	case E1000_FC_TX_PAUSE:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
		/* Tx Flow control is enabled, and Rx Flow control is disabled,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
		 * by a software over-ride.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_ASM_DIR);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
	case E1000_FC_FULL:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
		/* Flow control (both Rx and Tx) is enabled by a software
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
		 * over-ride.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
		e_dbg("Flow control param set incorrectly\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
		return -E1000_ERR_CONFIG;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
	/* Since auto-negotiation is enabled, take the link out of reset (the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
	 * link will be in reset, because we previously reset the chip). This
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
	 * will restart auto-negotiation.  If auto-negotiation is successful
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
	 * then the link-up status bit will be set and the flow control enable
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
	 * bits (RFCE and TFCE) will be set according to their negotiated value.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	e_dbg("Auto-negotiation enabled\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
	ew32(TXCW, txcw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
	ew32(CTRL, ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
	E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
	hw->txcw = txcw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	msleep(1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
	/* If we have a signal (the cable is plugged in) then poll for a
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	 * "Link-Up" indication in the Device Status Register.  Time-out if a
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	 * link isn't seen in 500 milliseconds seconds (Auto-negotiation should
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	 * complete in less than 500 milliseconds even if the other end is doing
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
	 * it in SW). For internal serdes, we just assume a signal is present,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
	 * then poll.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
	if (hw->media_type == e1000_media_type_internal_serdes ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
	    (er32(CTRL) & E1000_CTRL_SWDPIN1) == signal) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
		e_dbg("Looking for Link\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
		for (i = 0; i < (LINK_UP_TIMEOUT / 10); i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
			msleep(10);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
			status = er32(STATUS);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
			if (status & E1000_STATUS_LU)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
				break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
		if (i == (LINK_UP_TIMEOUT / 10)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
			e_dbg("Never got a valid link from auto-neg!!!\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
			hw->autoneg_failed = 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
			/* AutoNeg failed to achieve a link, so we'll call
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
			 * e1000_check_for_link. This routine will force the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
			 * link up if we detect a signal. This will allow us to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
			 * communicate with non-autonegotiating link partners.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
			ret_val = e1000_check_for_link(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
			if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
				e_dbg("Error while checking for link\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
			hw->autoneg_failed = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
			hw->autoneg_failed = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
			e_dbg("Valid Link Found\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
		e_dbg("No Signal Detected\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
 * e1000_copper_link_rtl_setup - Copper link setup for e1000_phy_rtl series.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
 * Commits changes to PHY configuration by calling e1000_phy_reset().
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
static s32 e1000_copper_link_rtl_setup(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
	/* SW reset the PHY so all changes take effect */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
	ret_val = e1000_phy_reset(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
	if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
		e_dbg("Error Resetting the PHY\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
static s32 gbe_dhg_phy_setup(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
	u32 ctrl_aux;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
	switch (hw->phy_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
	case e1000_phy_8211:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
		ret_val = e1000_copper_link_rtl_setup(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
		if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
			e_dbg("e1000_copper_link_rtl_setup failed!\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
	case e1000_phy_8201:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
		/* Set RMII mode */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
		ctrl_aux = er32(CTL_AUX);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
		ctrl_aux |= E1000_CTL_AUX_RMII;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
		ew32(CTL_AUX, ctrl_aux);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
		/* Disable the J/K bits required for receive */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
		ctrl_aux = er32(CTL_AUX);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
		ctrl_aux |= 0x4;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
		ctrl_aux &= ~0x2;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
		ew32(CTL_AUX, ctrl_aux);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
		ret_val = e1000_copper_link_rtl_setup(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
		if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
			e_dbg("e1000_copper_link_rtl_setup failed!\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
		e_dbg("Error Resetting the PHY\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
		return E1000_ERR_PHY_TYPE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
 * e1000_copper_link_preconfig - early configuration for copper
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
 * Make sure we have a valid PHY and change PHY mode before link setup.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
static s32 e1000_copper_link_preconfig(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
	u32 ctrl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
	u16 phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
	e_dbg("e1000_copper_link_preconfig");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
	ctrl = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
	/* With 82543, we need to force speed and duplex on the MAC equal to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
	 * what the PHY speed and duplex configuration is. In addition, we need
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
	 * to perform a hardware reset on the PHY to take it out of reset.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
	if (hw->mac_type > e1000_82543) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
		ctrl |= E1000_CTRL_SLU;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
		ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
		ew32(CTRL, ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
		ctrl |=
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
		    (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX | E1000_CTRL_SLU);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
		ew32(CTRL, ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
		ret_val = e1000_phy_hw_reset(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
	/* Make sure we have a valid PHY */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
	ret_val = e1000_detect_gig_phy(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
	if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
		e_dbg("Error, did not detect valid phy.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
	e_dbg("Phy ID = %x\n", hw->phy_id);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
	/* Set PHY to class A mode (if necessary) */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	ret_val = e1000_set_phy_mode(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	if ((hw->mac_type == e1000_82545_rev_3) ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	    (hw->mac_type == e1000_82546_rev_3)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
		ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
		    e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
		phy_data |= 0x00000008;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
		ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
		    e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
	if (hw->mac_type <= e1000_82543 ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	    hw->mac_type == e1000_82541 || hw->mac_type == e1000_82547 ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
	    hw->mac_type == e1000_82541_rev_2
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
	    || hw->mac_type == e1000_82547_rev_2)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
		hw->phy_reset_disable = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
 * e1000_copper_link_igp_setup - Copper link setup for e1000_phy_igp series.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
static s32 e1000_copper_link_igp_setup(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
	u32 led_ctrl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	u16 phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
	e_dbg("e1000_copper_link_igp_setup");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	if (hw->phy_reset_disable)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
		return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
	ret_val = e1000_phy_reset(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
	if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
		e_dbg("Error Resetting the PHY\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
	/* Wait 15ms for MAC to configure PHY from eeprom settings */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
	msleep(15);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
	/* Configure activity LED after PHY reset */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
	led_ctrl = er32(LEDCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
	led_ctrl &= IGP_ACTIVITY_LED_MASK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
	led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
	ew32(LEDCTL, led_ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
	/* The NVM settings will configure LPLU in D3 for IGP2 and IGP3 PHYs */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
	if (hw->phy_type == e1000_phy_igp) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
		/* disable lplu d3 during driver init */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
		ret_val = e1000_set_d3_lplu_state(hw, false);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
		if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
			e_dbg("Error Disabling LPLU D3\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
	/* Configure mdi-mdix settings */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
	ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
	if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
		hw->dsp_config_state = e1000_dsp_config_disabled;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
		/* Force MDI for earlier revs of the IGP PHY */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
		phy_data &=
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
		    ~(IGP01E1000_PSCR_AUTO_MDIX |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
		      IGP01E1000_PSCR_FORCE_MDI_MDIX);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
		hw->mdix = 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
		hw->dsp_config_state = e1000_dsp_config_enabled;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
		phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
		switch (hw->mdix) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
		case 1:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
			phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
		case 2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
			phy_data |= IGP01E1000_PSCR_FORCE_MDI_MDIX;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
		case 0:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
		default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
			phy_data |= IGP01E1000_PSCR_AUTO_MDIX;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
	ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
	/* set auto-master slave resolution settings */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
	if (hw->autoneg) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
		e1000_ms_type phy_ms_setting = hw->master_slave;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
		if (hw->ffe_config_state == e1000_ffe_config_active)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
			hw->ffe_config_state = e1000_ffe_config_enabled;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
		if (hw->dsp_config_state == e1000_dsp_config_activated)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
			hw->dsp_config_state = e1000_dsp_config_enabled;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
		/* when autonegotiation advertisement is only 1000Mbps then we
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
		 * should disable SmartSpeed and enable Auto MasterSlave
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
		 * resolution as hardware default.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
		if (hw->autoneg_advertised == ADVERTISE_1000_FULL) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
			/* Disable SmartSpeed */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
			    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
					       &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
			phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
			    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
						phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
			/* Set auto Master/Slave resolution process */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
			    e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
			phy_data &= ~CR_1000T_MS_ENABLE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
			    e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
		ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
		/* load defaults for future use */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
		hw->original_master_slave = (phy_data & CR_1000T_MS_ENABLE) ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
		    ((phy_data & CR_1000T_MS_VALUE) ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
		     e1000_ms_force_master :
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
		     e1000_ms_force_slave) : e1000_ms_auto;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
		switch (phy_ms_setting) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
		case e1000_ms_force_master:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
			phy_data |= (CR_1000T_MS_ENABLE | CR_1000T_MS_VALUE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
		case e1000_ms_force_slave:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
			phy_data |= CR_1000T_MS_ENABLE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
			phy_data &= ~(CR_1000T_MS_VALUE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
		case e1000_ms_auto:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
			phy_data &= ~CR_1000T_MS_ENABLE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
		default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
		ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
 * e1000_copper_link_mgp_setup - Copper link setup for e1000_phy_m88 series.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
static s32 e1000_copper_link_mgp_setup(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
	u16 phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	e_dbg("e1000_copper_link_mgp_setup");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
	if (hw->phy_reset_disable)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
		return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
	/* Enable CRS on TX. This must be set for half-duplex operation. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
	phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
	/* Options:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
	 *   MDI/MDI-X = 0 (default)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
	 *   0 - Auto for all speeds
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
	 *   1 - MDI mode
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
	 *   2 - MDI-X mode
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
	 *   3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
	phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
	switch (hw->mdix) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
	case 1:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
		phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	case 2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
		phy_data |= M88E1000_PSCR_MDIX_MANUAL_MODE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
	case 3:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
		phy_data |= M88E1000_PSCR_AUTO_X_1000T;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
	case 0:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
		phy_data |= M88E1000_PSCR_AUTO_X_MODE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
	/* Options:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
	 *   disable_polarity_correction = 0 (default)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
	 *       Automatic Correction for Reversed Cable Polarity
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
	 *   0 - Disabled
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
	 *   1 - Enabled
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
	phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
	if (hw->disable_polarity_correction == 1)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
		phy_data |= M88E1000_PSCR_POLARITY_REVERSAL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
	if (hw->phy_revision < M88E1011_I_REV_4) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
		/* Force TX_CLK in the Extended PHY Specific Control Register
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
		 * to 25MHz clock.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
		ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
		    e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
				       &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
		phy_data |= M88E1000_EPSCR_TX_CLK_25;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
		if ((hw->phy_revision == E1000_REVISION_2) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
		    (hw->phy_id == M88E1111_I_PHY_ID)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
			/* Vidalia Phy, set the downshift counter to 5x */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
			phy_data &= ~(M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
			phy_data |= M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
			ret_val = e1000_write_phy_reg(hw,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
						      M88E1000_EXT_PHY_SPEC_CTRL,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
						      phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
			/* Configure Master and Slave downshift values */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
			phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
				      M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
			phy_data |= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
				     M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
			ret_val = e1000_write_phy_reg(hw,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
						      M88E1000_EXT_PHY_SPEC_CTRL,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
						      phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
	/* SW Reset the PHY so all changes take effect */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
	ret_val = e1000_phy_reset(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
	if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
		e_dbg("Error Resetting the PHY\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
 * e1000_copper_link_autoneg - setup auto-neg
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
 * Setup auto-negotiation and flow control advertisements,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
 * and then perform auto-negotiation.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
static s32 e1000_copper_link_autoneg(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
	u16 phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
	e_dbg("e1000_copper_link_autoneg");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
	/* Perform some bounds checking on the hw->autoneg_advertised
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
	 * parameter.  If this variable is zero, then set it to the default.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
	hw->autoneg_advertised &= AUTONEG_ADVERTISE_SPEED_DEFAULT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
	/* If autoneg_advertised is zero, we assume it was not defaulted
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
	 * by the calling code so we set to advertise full capability.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
	if (hw->autoneg_advertised == 0)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
		hw->autoneg_advertised = AUTONEG_ADVERTISE_SPEED_DEFAULT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	/* IFE/RTL8201N PHY only supports 10/100 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
	if (hw->phy_type == e1000_phy_8201)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
		hw->autoneg_advertised &= AUTONEG_ADVERTISE_10_100_ALL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
	e_dbg("Reconfiguring auto-neg advertisement params\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
	ret_val = e1000_phy_setup_autoneg(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
	if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
		e_dbg("Error Setting up Auto-Negotiation\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
	e_dbg("Restarting Auto-Neg\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	/* Restart auto-negotiation by setting the Auto Neg Enable bit and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
	 * the Auto Neg Restart bit in the PHY control register.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
	ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
	phy_data |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
	ret_val = e1000_write_phy_reg(hw, PHY_CTRL, phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
	/* Does the user want to wait for Auto-Neg to complete here, or
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
	 * check at a later time (for example, callback routine).
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
	if (hw->wait_autoneg_complete) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
		ret_val = e1000_wait_autoneg(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
		if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
			e_dbg
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
			    ("Error while waiting for autoneg to complete\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
	hw->get_link_status = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
 * e1000_copper_link_postconfig - post link setup
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
 * Config the MAC and the PHY after link is up.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
 *   1) Set up the MAC to the current PHY speed/duplex
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
 *      if we are on 82543.  If we
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
 *      are on newer silicon, we only need to configure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
 *      collision distance in the Transmit Control Register.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
 *   2) Set up flow control on the MAC to that established with
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
 *      the link partner.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
 *   3) Config DSP to improve Gigabit link quality for some PHY revisions.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
static s32 e1000_copper_link_postconfig(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
	e_dbg("e1000_copper_link_postconfig");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
	if ((hw->mac_type >= e1000_82544) && (hw->mac_type != e1000_ce4100)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
		e1000_config_collision_dist(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
		ret_val = e1000_config_mac_to_phy(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
		if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
			e_dbg("Error configuring MAC to PHY settings\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
	ret_val = e1000_config_fc_after_link_up(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
	if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
		e_dbg("Error Configuring Flow Control\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
	/* Config DSP to improve Giga link quality */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
	if (hw->phy_type == e1000_phy_igp) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
		ret_val = e1000_config_dsp_after_link_change(hw, true);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
		if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
			e_dbg("Error Configuring DSP after link up\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
 * e1000_setup_copper_link - phy/speed/duplex setting
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
 * Detects which PHY is present and sets up the speed and duplex
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
static s32 e1000_setup_copper_link(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
	u16 i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
	u16 phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
	e_dbg("e1000_setup_copper_link");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
	/* Check if it is a valid PHY and set PHY mode if necessary. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
	ret_val = e1000_copper_link_preconfig(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
	if (hw->phy_type == e1000_phy_igp) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
		ret_val = e1000_copper_link_igp_setup(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
	} else if (hw->phy_type == e1000_phy_m88) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
		ret_val = e1000_copper_link_mgp_setup(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
		ret_val = gbe_dhg_phy_setup(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
		if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
			e_dbg("gbe_dhg_phy_setup failed!\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
	if (hw->autoneg) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
		/* Setup autoneg and flow control advertisement
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
		 * and perform autonegotiation
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
		ret_val = e1000_copper_link_autoneg(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
		/* PHY will be set to 10H, 10F, 100H,or 100F
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
		 * depending on value from forced_speed_duplex.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
		e_dbg("Forcing speed and duplex\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
		ret_val = e1000_phy_force_speed_duplex(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
		if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
			e_dbg("Error Forcing Speed and Duplex\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
	/* Check link status. Wait up to 100 microseconds for link to become
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
	 * valid.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
	for (i = 0; i < 10; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
		if (phy_data & MII_SR_LINK_STATUS) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
			/* Config the MAC and PHY after link is up */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
			ret_val = e1000_copper_link_postconfig(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
			e_dbg("Valid link established!!!\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
			return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
		udelay(10);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
	e_dbg("Unable to establish link!!!\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
 * e1000_phy_setup_autoneg - phy settings
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
 * Configures PHY autoneg and flow control advertisement settings
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
	u16 mii_autoneg_adv_reg;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
	u16 mii_1000t_ctrl_reg;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
	e_dbg("e1000_phy_setup_autoneg");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
	/* Read the MII Auto-Neg Advertisement Register (Address 4). */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
	ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
	/* Read the MII 1000Base-T Control Register (Address 9). */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
	ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &mii_1000t_ctrl_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
	else if (hw->phy_type == e1000_phy_8201)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
		mii_1000t_ctrl_reg &= ~REG9_SPEED_MASK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
	/* Need to parse both autoneg_advertised and fc and set up
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
	 * the appropriate PHY registers.  First we will parse for
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
	 * autoneg_advertised software override.  Since we can advertise
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
	 * a plethora of combinations, we need to check each bit
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
	 * individually.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
	/* First we clear all the 10/100 mb speed bits in the Auto-Neg
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
	 * Advertisement Register (Address 4) and the 1000 mb speed bits in
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
	 * the  1000Base-T Control Register (Address 9).
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
	mii_autoneg_adv_reg &= ~REG4_SPEED_MASK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
	mii_1000t_ctrl_reg &= ~REG9_SPEED_MASK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
	e_dbg("autoneg_advertised %x\n", hw->autoneg_advertised);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
	/* Do we want to advertise 10 Mb Half Duplex? */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
	if (hw->autoneg_advertised & ADVERTISE_10_HALF) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
		e_dbg("Advertise 10mb Half duplex\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
		mii_autoneg_adv_reg |= NWAY_AR_10T_HD_CAPS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
	/* Do we want to advertise 10 Mb Full Duplex? */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
	if (hw->autoneg_advertised & ADVERTISE_10_FULL) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
		e_dbg("Advertise 10mb Full duplex\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
		mii_autoneg_adv_reg |= NWAY_AR_10T_FD_CAPS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
	/* Do we want to advertise 100 Mb Half Duplex? */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
	if (hw->autoneg_advertised & ADVERTISE_100_HALF) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
		e_dbg("Advertise 100mb Half duplex\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
		mii_autoneg_adv_reg |= NWAY_AR_100TX_HD_CAPS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
	/* Do we want to advertise 100 Mb Full Duplex? */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
	if (hw->autoneg_advertised & ADVERTISE_100_FULL) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
		e_dbg("Advertise 100mb Full duplex\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
		mii_autoneg_adv_reg |= NWAY_AR_100TX_FD_CAPS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
	/* We do not allow the Phy to advertise 1000 Mb Half Duplex */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
	if (hw->autoneg_advertised & ADVERTISE_1000_HALF) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
		e_dbg
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
		    ("Advertise 1000mb Half duplex requested, request denied!\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
	/* Do we want to advertise 1000 Mb Full Duplex? */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
	if (hw->autoneg_advertised & ADVERTISE_1000_FULL) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
		e_dbg("Advertise 1000mb Full duplex\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
		mii_1000t_ctrl_reg |= CR_1000T_FD_CAPS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
	/* Check for a software override of the flow control settings, and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
	 * setup the PHY advertisement registers accordingly.  If
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
	 * auto-negotiation is enabled, then software will have to set the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
	 * "PAUSE" bits to the correct value in the Auto-Negotiation
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
	 * Advertisement Register (PHY_AUTONEG_ADV) and re-start
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
	 * auto-negotiation.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
	 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
	 * The possible values of the "fc" parameter are:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
	 *      0:  Flow control is completely disabled
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
	 *      1:  Rx flow control is enabled (we can receive pause frames
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
	 *          but not send pause frames).
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
	 *      2:  Tx flow control is enabled (we can send pause frames
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
	 *          but we do not support receiving pause frames).
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
	 *      3:  Both Rx and TX flow control (symmetric) are enabled.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
	 *  other:  No software override.  The flow control configuration
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
	 *          in the EEPROM is used.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
	switch (hw->fc) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
	case E1000_FC_NONE:	/* 0 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
		/* Flow control (RX & TX) is completely disabled by a
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
		 * software over-ride.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
		mii_autoneg_adv_reg &= ~(NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
	case E1000_FC_RX_PAUSE:	/* 1 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
		/* RX Flow control is enabled, and TX Flow control is
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
		 * disabled, by a software over-ride.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
		/* Since there really isn't a way to advertise that we are
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
		 * capable of RX Pause ONLY, we will advertise that we
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
		 * support both symmetric and asymmetric RX PAUSE.  Later
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
		 * (in e1000_config_fc_after_link_up) we will disable the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
		 * hw's ability to send PAUSE frames.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
	case E1000_FC_TX_PAUSE:	/* 2 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
		/* TX Flow control is enabled, and RX Flow control is
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
		 * disabled, by a software over-ride.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
		mii_autoneg_adv_reg |= NWAY_AR_ASM_DIR;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
		mii_autoneg_adv_reg &= ~NWAY_AR_PAUSE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
	case E1000_FC_FULL:	/* 3 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
		/* Flow control (both RX and TX) is enabled by a software
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
		 * over-ride.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
		e_dbg("Flow control param set incorrectly\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
		return -E1000_ERR_CONFIG;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
	ret_val = e1000_write_phy_reg(hw, PHY_AUTONEG_ADV, mii_autoneg_adv_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
	e_dbg("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
	if (hw->phy_type == e1000_phy_8201) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
		mii_1000t_ctrl_reg = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
		ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
		                              mii_1000t_ctrl_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
 * e1000_phy_force_speed_duplex - force link settings
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
 * Force PHY speed and duplex settings to hw->forced_speed_duplex
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
	u32 ctrl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
	u16 mii_ctrl_reg;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
	u16 mii_status_reg;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
	u16 phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
	u16 i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
	e_dbg("e1000_phy_force_speed_duplex");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
	/* Turn off Flow control if we are forcing speed and duplex. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
	hw->fc = E1000_FC_NONE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
	e_dbg("hw->fc = %d\n", hw->fc);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
	/* Read the Device Control Register. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	ctrl = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	/* Set the bits to Force Speed and Duplex in the Device Ctrl Reg. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
	ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
	ctrl &= ~(DEVICE_SPEED_MASK);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
	/* Clear the Auto Speed Detect Enable bit. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
	ctrl &= ~E1000_CTRL_ASDE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
	/* Read the MII Control Register. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
	ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &mii_ctrl_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
	/* We need to disable autoneg in order to force link and duplex. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
	mii_ctrl_reg &= ~MII_CR_AUTO_NEG_EN;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
	/* Are we forcing Full or Half Duplex? */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
	if (hw->forced_speed_duplex == e1000_100_full ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
	    hw->forced_speed_duplex == e1000_10_full) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
		/* We want to force full duplex so we SET the full duplex bits
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
		 * in the Device and MII Control Registers.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
		ctrl |= E1000_CTRL_FD;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
		mii_ctrl_reg |= MII_CR_FULL_DUPLEX;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
		e_dbg("Full Duplex\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
		/* We want to force half duplex so we CLEAR the full duplex bits
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
		 * in the Device and MII Control Registers.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
		ctrl &= ~E1000_CTRL_FD;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
		mii_ctrl_reg &= ~MII_CR_FULL_DUPLEX;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
		e_dbg("Half Duplex\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
	/* Are we forcing 100Mbps??? */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
	if (hw->forced_speed_duplex == e1000_100_full ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
	    hw->forced_speed_duplex == e1000_100_half) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
		/* Set the 100Mb bit and turn off the 1000Mb and 10Mb bits. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
		ctrl |= E1000_CTRL_SPD_100;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
		mii_ctrl_reg |= MII_CR_SPEED_100;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
		mii_ctrl_reg &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_10);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
		e_dbg("Forcing 100mb ");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
		/* Set the 10Mb bit and turn off the 1000Mb and 100Mb bits. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
		ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
		mii_ctrl_reg |= MII_CR_SPEED_10;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
		mii_ctrl_reg &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_100);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
		e_dbg("Forcing 10mb ");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
	e1000_config_collision_dist(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
	/* Write the configured values back to the Device Control Reg. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
	ew32(CTRL, ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
	if (hw->phy_type == e1000_phy_m88) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
		ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
		    e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
		/* Clear Auto-Crossover to force MDI manually. M88E1000 requires
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
		 * MDI forced whenever speed are duplex are forced.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
		phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
		ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
		    e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
		e_dbg("M88E1000 PSCR: %x\n", phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
		/* Need to reset the PHY or these changes will be ignored */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
		mii_ctrl_reg |= MII_CR_RESET;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
		/* Disable MDI-X support for 10/100 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
		/* Clear Auto-Crossover to force MDI manually.  IGP requires MDI
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
		 * forced whenever speed or duplex are forced.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
		ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
		    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
		phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
		phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
		ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
		    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
	/* Write back the modified PHY MII control register. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
	ret_val = e1000_write_phy_reg(hw, PHY_CTRL, mii_ctrl_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
	udelay(1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
	/* The wait_autoneg_complete flag may be a little misleading here.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
	 * Since we are forcing speed and duplex, Auto-Neg is not enabled.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
	 * But we do want to delay for a period while forcing only so we
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
	 * don't generate false No Link messages.  So we will wait here
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
	 * only if the user has set wait_autoneg_complete to 1, which is
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
	 * the default.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
	if (hw->wait_autoneg_complete) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
		/* We will wait for autoneg to complete. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
		e_dbg("Waiting for forced speed/duplex link.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
		mii_status_reg = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
		/* Wait for autoneg to complete or 4.5 seconds to expire */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
		for (i = PHY_FORCE_TIME; i > 0; i--) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
			/* Read the MII Status Register and wait for Auto-Neg
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
			 * Complete bit to be set.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
			    e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
			    e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
			if (mii_status_reg & MII_SR_LINK_STATUS)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
				break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
			msleep(100);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
		if ((i == 0) && (hw->phy_type == e1000_phy_m88)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
			/* We didn't get link.  Reset the DSP and wait again
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
			 * for link.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
			ret_val = e1000_phy_reset_dsp(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
			if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
				e_dbg("Error Resetting PHY DSP\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
		/* This loop will early-out if the link condition has been
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
		 * met
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
		for (i = PHY_FORCE_TIME; i > 0; i--) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
			if (mii_status_reg & MII_SR_LINK_STATUS)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
				break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
			msleep(100);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
			/* Read the MII Status Register and wait for Auto-Neg
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
			 * Complete bit to be set.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
			    e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
			    e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
	if (hw->phy_type == e1000_phy_m88) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
		/* Because we reset the PHY above, we need to re-force TX_CLK in
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
		 * the Extended PHY Specific Control Register to 25MHz clock.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
		 * This value defaults back to a 2.5MHz clock when the PHY is
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
		 * reset.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
		ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
		    e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
				       &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
		phy_data |= M88E1000_EPSCR_TX_CLK_25;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
		ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
		    e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
					phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
		/* In addition, because of the s/w reset above, we need to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
		 * enable CRS on Tx.  This must be set for both full and half
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
		 * duplex operation.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
		ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
		    e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
		phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
		ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
		    e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
		if ((hw->mac_type == e1000_82544 || hw->mac_type == e1000_82543)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
		    && (!hw->autoneg)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
		    && (hw->forced_speed_duplex == e1000_10_full
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
			|| hw->forced_speed_duplex == e1000_10_half)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
			ret_val = e1000_polarity_reversal_workaround(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
 * e1000_config_collision_dist - set collision distance register
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
 * Sets the collision distance in the Transmit Control register.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
 * Link should have been established previously. Reads the speed and duplex
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
 * information from the Device Status register.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
void e1000_config_collision_dist(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
	u32 tctl, coll_dist;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
	e_dbg("e1000_config_collision_dist");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
	if (hw->mac_type < e1000_82543)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
		coll_dist = E1000_COLLISION_DISTANCE_82542;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
		coll_dist = E1000_COLLISION_DISTANCE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
	tctl = er32(TCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
	tctl &= ~E1000_TCTL_COLD;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
	tctl |= coll_dist << E1000_COLD_SHIFT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
	ew32(TCTL, tctl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
	E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
 * e1000_config_mac_to_phy - sync phy and mac settings
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
 * @mii_reg: data to write to the MII control register
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
 * Sets MAC speed and duplex settings to reflect the those in the PHY
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
 * The contents of the PHY register containing the needed information need to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
 * be passed in.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
static s32 e1000_config_mac_to_phy(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
	u32 ctrl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
	u16 phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
	e_dbg("e1000_config_mac_to_phy");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
	/* 82544 or newer MAC, Auto Speed Detection takes care of
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
	 * MAC speed/duplex configuration.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
	if ((hw->mac_type >= e1000_82544) && (hw->mac_type != e1000_ce4100))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
		return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
	/* Read the Device Control Register and set the bits to Force Speed
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
	 * and Duplex.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
	ctrl = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
	ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
	ctrl &= ~(E1000_CTRL_SPD_SEL | E1000_CTRL_ILOS);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
	switch (hw->phy_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
	case e1000_phy_8201:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
		ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
		if (phy_data & RTL_PHY_CTRL_FD)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
			ctrl |= E1000_CTRL_FD;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
		else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
			ctrl &= ~E1000_CTRL_FD;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
		if (phy_data & RTL_PHY_CTRL_SPD_100)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
			ctrl |= E1000_CTRL_SPD_100;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
		else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
			ctrl |= E1000_CTRL_SPD_10;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
		e1000_config_collision_dist(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
		/* Set up duplex in the Device Control and Transmit Control
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
		 * registers depending on negotiated values.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
		ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
					     &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
		if (phy_data & M88E1000_PSSR_DPLX)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
			ctrl |= E1000_CTRL_FD;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
		else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
			ctrl &= ~E1000_CTRL_FD;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
		e1000_config_collision_dist(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
		/* Set up speed in the Device Control register depending on
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
		 * negotiated values.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
		if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
			ctrl |= E1000_CTRL_SPD_1000;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
		else if ((phy_data & M88E1000_PSSR_SPEED) ==
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
			 M88E1000_PSSR_100MBS)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
			ctrl |= E1000_CTRL_SPD_100;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
	/* Write the configured values back to the Device Control Reg. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
	ew32(CTRL, ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
 * e1000_force_mac_fc - force flow control settings
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
 * Forces the MAC's flow control settings.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
 * Sets the TFCE and RFCE bits in the device control register to reflect
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
 * the adapter settings. TFCE and RFCE need to be explicitly set by
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
 * software when a Copper PHY is used because autonegotiation is managed
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
 * by the PHY rather than the MAC. Software must also configure these
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
 * bits when link is forced on a fiber connection.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
s32 e1000_force_mac_fc(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
	u32 ctrl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
	e_dbg("e1000_force_mac_fc");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
	/* Get the current configuration of the Device Control Register */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
	ctrl = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
	/* Because we didn't get link via the internal auto-negotiation
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
	 * mechanism (we either forced link or we got link via PHY
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
	 * auto-neg), we have to manually enable/disable transmit an
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
	 * receive flow control.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
	 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
	 * The "Case" statement below enables/disable flow control
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
	 * according to the "hw->fc" parameter.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
	 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
	 * The possible values of the "fc" parameter are:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
	 *      0:  Flow control is completely disabled
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
	 *      1:  Rx flow control is enabled (we can receive pause
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
	 *          frames but not send pause frames).
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
	 *      2:  Tx flow control is enabled (we can send pause frames
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
	 *          frames but we do not receive pause frames).
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
	 *      3:  Both Rx and TX flow control (symmetric) is enabled.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
	 *  other:  No other values should be possible at this point.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
	switch (hw->fc) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
	case E1000_FC_NONE:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
		ctrl &= (~(E1000_CTRL_TFCE | E1000_CTRL_RFCE));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
	case E1000_FC_RX_PAUSE:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
		ctrl &= (~E1000_CTRL_TFCE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
		ctrl |= E1000_CTRL_RFCE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
	case E1000_FC_TX_PAUSE:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
		ctrl &= (~E1000_CTRL_RFCE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
		ctrl |= E1000_CTRL_TFCE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
	case E1000_FC_FULL:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
		ctrl |= (E1000_CTRL_TFCE | E1000_CTRL_RFCE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
		e_dbg("Flow control param set incorrectly\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
		return -E1000_ERR_CONFIG;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
	/* Disable TX Flow Control for 82542 (rev 2.0) */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
	if (hw->mac_type == e1000_82542_rev2_0)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
		ctrl &= (~E1000_CTRL_TFCE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
	ew32(CTRL, ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
 * e1000_config_fc_after_link_up - configure flow control after autoneg
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
 * Configures flow control settings after link is established
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
 * Should be called immediately after a valid link has been established.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
 * Forces MAC flow control settings if link was forced. When in MII/GMII mode
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
 * and autonegotiation is enabled, the MAC flow control settings will be set
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
 * based on the flow control negotiated by the PHY. In TBI mode, the TFCE
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
 * and RFCE bits will be automatically set to the negotiated flow control mode.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
static s32 e1000_config_fc_after_link_up(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
	u16 mii_status_reg;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
	u16 mii_nway_adv_reg;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
	u16 mii_nway_lp_ability_reg;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
	u16 speed;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
	u16 duplex;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
	e_dbg("e1000_config_fc_after_link_up");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
	/* Check for the case where we have fiber media and auto-neg failed
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
	 * so we had to force link.  In this case, we need to force the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
	 * configuration of the MAC to match the "fc" parameter.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
	if (((hw->media_type == e1000_media_type_fiber) && (hw->autoneg_failed))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
	    || ((hw->media_type == e1000_media_type_internal_serdes)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
		&& (hw->autoneg_failed))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
	    || ((hw->media_type == e1000_media_type_copper)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
		&& (!hw->autoneg))) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
		ret_val = e1000_force_mac_fc(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
		if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
			e_dbg("Error forcing flow control settings\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
	/* Check for the case where we have copper media and auto-neg is
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
	 * enabled.  In this case, we need to check and see if Auto-Neg
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
	 * has completed, and if so, how the PHY and link partner has
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
	 * flow control configured.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
	if ((hw->media_type == e1000_media_type_copper) && hw->autoneg) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
		/* Read the MII Status Register and check to see if AutoNeg
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
		 * has completed.  We read this twice because this reg has
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
		 * some "sticky" (latched) bits.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
		if (mii_status_reg & MII_SR_AUTONEG_COMPLETE) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
			/* The AutoNeg process has completed, so we now need to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
			 * read both the Auto Negotiation Advertisement Register
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
			 * (Address 4) and the Auto_Negotiation Base Page
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
			 * Ability Register (Address 5) to determine how flow
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
			 * control was negotiated.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
			ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_ADV,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
						     &mii_nway_adv_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
			ret_val = e1000_read_phy_reg(hw, PHY_LP_ABILITY,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
						     &mii_nway_lp_ability_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
			/* Two bits in the Auto Negotiation Advertisement
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
			 * Register (Address 4) and two bits in the Auto
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
			 * Negotiation Base Page Ability Register (Address 5)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
			 * determine flow control for both the PHY and the link
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
			 * partner.  The following table, taken out of the IEEE
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
			 * 802.3ab/D6.0 dated March 25, 1999, describes these
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
			 * PAUSE resolution bits and how flow control is
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
			 * determined based upon these settings.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
			 * NOTE:  DC = Don't Care
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
			 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
			 *   LOCAL DEVICE  |   LINK PARTNER
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
			 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
			 *-------|---------|-------|---------|------------------
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
			 *   0   |    0    |  DC   |   DC    | E1000_FC_NONE
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
			 *   0   |    1    |   0   |   DC    | E1000_FC_NONE
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
			 *   0   |    1    |   1   |    0    | E1000_FC_NONE
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
			 *   0   |    1    |   1   |    1    | E1000_FC_TX_PAUSE
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
			 *   1   |    0    |   0   |   DC    | E1000_FC_NONE
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
			 *   1   |   DC    |   1   |   DC    | E1000_FC_FULL
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
			 *   1   |    1    |   0   |    0    | E1000_FC_NONE
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
			 *   1   |    1    |   0   |    1    | E1000_FC_RX_PAUSE
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
			 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
			/* Are both PAUSE bits set to 1?  If so, this implies
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
			 * Symmetric Flow Control is enabled at both ends.  The
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
			 * ASM_DIR bits are irrelevant per the spec.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
			 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
			 * For Symmetric Flow Control:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
			 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
			 *   LOCAL DEVICE  |   LINK PARTNER
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
			 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
			 *-------|---------|-------|---------|------------------
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
			 *   1   |   DC    |   1   |   DC    | E1000_FC_FULL
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
			 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
			if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
			    (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
				/* Now we need to check if the user selected Rx
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
				 * ONLY of pause frames.  In this case, we had
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
				 * to advertise FULL flow control because we
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
				 * could not advertise Rx ONLY. Hence, we must
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
				 * now check to see if we need to turn OFF the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
				 * TRANSMISSION of PAUSE frames.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
				 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
				if (hw->original_fc == E1000_FC_FULL) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
					hw->fc = E1000_FC_FULL;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
					e_dbg("Flow Control = FULL.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
				} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
					hw->fc = E1000_FC_RX_PAUSE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
					e_dbg
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
					    ("Flow Control = RX PAUSE frames only.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
				}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
			/* For receiving PAUSE frames ONLY.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
			 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
			 *   LOCAL DEVICE  |   LINK PARTNER
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
			 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
			 *-------|---------|-------|---------|------------------
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
			 *   0   |    1    |   1   |    1    | E1000_FC_TX_PAUSE
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
			 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
			else if (!(mii_nway_adv_reg & NWAY_AR_PAUSE) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
				 (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
				 (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
				 (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
			{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
				hw->fc = E1000_FC_TX_PAUSE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
				e_dbg
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
				    ("Flow Control = TX PAUSE frames only.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
			/* For transmitting PAUSE frames ONLY.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
			 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
			 *   LOCAL DEVICE  |   LINK PARTNER
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
			 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
			 *-------|---------|-------|---------|------------------
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
			 *   1   |    1    |   0   |    1    | E1000_FC_RX_PAUSE
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
			 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
			else if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
				 (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
				 !(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
				 (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
			{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
				hw->fc = E1000_FC_RX_PAUSE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
				e_dbg
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
				    ("Flow Control = RX PAUSE frames only.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
			/* Per the IEEE spec, at this point flow control should
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
			 * be disabled.  However, we want to consider that we
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
			 * could be connected to a legacy switch that doesn't
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
			 * advertise desired flow control, but can be forced on
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
			 * the link partner.  So if we advertised no flow
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
			 * control, that is what we will resolve to.  If we
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
			 * advertised some kind of receive capability (Rx Pause
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
			 * Only or Full Flow Control) and the link partner
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
			 * advertised none, we will configure ourselves to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
			 * enable Rx Flow Control only.  We can do this safely
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
			 * for two reasons:  If the link partner really
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
			 * didn't want flow control enabled, and we enable Rx,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
			 * no harm done since we won't be receiving any PAUSE
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
			 * frames anyway.  If the intent on the link partner was
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
			 * to have flow control enabled, then by us enabling Rx
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
			 * only, we can at least receive pause frames and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
			 * process them. This is a good idea because in most
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
			 * cases, since we are predominantly a server NIC, more
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
			 * times than not we will be asked to delay transmission
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
			 * of packets than asking our link partner to pause
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
			 * transmission of frames.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
			else if ((hw->original_fc == E1000_FC_NONE ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
				  hw->original_fc == E1000_FC_TX_PAUSE) ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
				 hw->fc_strict_ieee) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
				hw->fc = E1000_FC_NONE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
				e_dbg("Flow Control = NONE.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
			} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
				hw->fc = E1000_FC_RX_PAUSE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
				e_dbg
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
				    ("Flow Control = RX PAUSE frames only.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
			/* Now we need to do one last check...  If we auto-
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
			 * negotiated to HALF DUPLEX, flow control should not be
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
			 * enabled per IEEE 802.3 spec.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
			    e1000_get_speed_and_duplex(hw, &speed, &duplex);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
			if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
				e_dbg
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
				    ("Error getting link speed and duplex\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
			if (duplex == HALF_DUPLEX)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
				hw->fc = E1000_FC_NONE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
			/* Now we call a subroutine to actually force the MAC
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
			 * controller to use the correct flow control settings.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
			ret_val = e1000_force_mac_fc(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
			if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
				e_dbg
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
				    ("Error forcing flow control settings\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
			e_dbg
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
			    ("Copper PHY and Auto Neg has not completed.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
 * e1000_check_for_serdes_link_generic - Check for link (Serdes)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
 * @hw: pointer to the HW structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
 * Checks for link up on the hardware.  If link is not up and we have
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
 * a signal, then we need to force link up.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
static s32 e1000_check_for_serdes_link_generic(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
	u32 rxcw;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
	u32 ctrl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
	u32 status;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
	s32 ret_val = E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
	e_dbg("e1000_check_for_serdes_link_generic");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
	ctrl = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
	status = er32(STATUS);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
	rxcw = er32(RXCW);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
	/* If we don't have link (auto-negotiation failed or link partner
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
	 * cannot auto-negotiate), and our link partner is not trying to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
	 * auto-negotiate with us (we are receiving idles or data),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
	 * we need to force link up. We also need to give auto-negotiation
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
	 * time to complete.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
	/* (ctrl & E1000_CTRL_SWDPIN1) == 1 == have signal */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
	if ((!(status & E1000_STATUS_LU)) && (!(rxcw & E1000_RXCW_C))) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
		if (hw->autoneg_failed == 0) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
			hw->autoneg_failed = 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
			goto out;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
		e_dbg("NOT RXing /C/, disable AutoNeg and force link.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
		/* Disable auto-negotiation in the TXCW register */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
		ew32(TXCW, (hw->txcw & ~E1000_TXCW_ANE));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
		/* Force link-up and also force full-duplex. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
		ctrl = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
		ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
		ew32(CTRL, ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
		/* Configure Flow Control after forcing link up. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
		ret_val = e1000_config_fc_after_link_up(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
		if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
			e_dbg("Error configuring flow control\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
			goto out;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
	} else if ((ctrl & E1000_CTRL_SLU) && (rxcw & E1000_RXCW_C)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
		/* If we are forcing link and we are receiving /C/ ordered
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
		 * sets, re-enable auto-negotiation in the TXCW register
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
		 * and disable forced link in the Device Control register
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
		 * in an attempt to auto-negotiate with our link partner.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
		e_dbg("RXing /C/, enable AutoNeg and stop forcing link.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
		ew32(TXCW, hw->txcw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
		ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
		hw->serdes_has_link = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
	} else if (!(E1000_TXCW_ANE & er32(TXCW))) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
		/* If we force link for non-auto-negotiation switch, check
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
		 * link status based on MAC synchronization for internal
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
		 * serdes media type.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
		/* SYNCH bit and IV bit are sticky. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
		udelay(10);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
		rxcw = er32(RXCW);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
		if (rxcw & E1000_RXCW_SYNCH) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
			if (!(rxcw & E1000_RXCW_IV)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
				hw->serdes_has_link = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
				e_dbg("SERDES: Link up - forced.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
			hw->serdes_has_link = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
			e_dbg("SERDES: Link down - force failed.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
	if (E1000_TXCW_ANE & er32(TXCW)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
		status = er32(STATUS);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
		if (status & E1000_STATUS_LU) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
			/* SYNCH bit and IV bit are sticky, so reread rxcw. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
			udelay(10);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
			rxcw = er32(RXCW);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
			if (rxcw & E1000_RXCW_SYNCH) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
				if (!(rxcw & E1000_RXCW_IV)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
					hw->serdes_has_link = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
					e_dbg("SERDES: Link up - autoneg "
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
						 "completed successfully.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
				} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
					hw->serdes_has_link = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
					e_dbg("SERDES: Link down - invalid"
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
						 "codewords detected in autoneg.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
				}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
			} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
				hw->serdes_has_link = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
				e_dbg("SERDES: Link down - no sync.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
			hw->serdes_has_link = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
			e_dbg("SERDES: Link down - autoneg failed\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
      out:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
	return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
 * e1000_check_for_link
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
 * Checks to see if the link status of the hardware has changed.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
 * Called by any function that needs to check the link status of the adapter.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
s32 e1000_check_for_link(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
	u32 rxcw __attribute__ ((unused)) = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
	u32 ctrl __attribute__ ((unused));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
	u32 status;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
	u32 rctl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
	u32 icr;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
	u32 signal __attribute__ ((unused)) = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
	u16 phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
	e_dbg("e1000_check_for_link");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
	ctrl = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
	status = er32(STATUS);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
	/* On adapters with a MAC newer than 82544, SW Definable pin 1 will be
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
	 * set when the optics detect a signal. On older adapters, it will be
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
	 * cleared when there is a signal.  This applies to fiber media only.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
	if ((hw->media_type == e1000_media_type_fiber) ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
	    (hw->media_type == e1000_media_type_internal_serdes)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
		rxcw = er32(RXCW);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
		if (hw->media_type == e1000_media_type_fiber) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
			signal =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
			    (hw->mac_type >
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
			     e1000_82544) ? E1000_CTRL_SWDPIN1 : 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
			if (status & E1000_STATUS_LU)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
				hw->get_link_status = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
	/* If we have a copper PHY then we only want to go out to the PHY
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
	 * registers to see if Auto-Neg has completed and/or if our link
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
	 * status has changed.  The get_link_status flag will be set if we
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
	 * receive a Link Status Change interrupt or we have Rx Sequence
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
	 * Errors.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
	if ((hw->media_type == e1000_media_type_copper) && hw->get_link_status) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
		/* First we want to see if the MII Status Register reports
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
		 * link.  If so, then we want to get the current speed/duplex
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
		 * of the PHY.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
		 * Read the register twice since the link bit is sticky.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
		if (phy_data & MII_SR_LINK_STATUS) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
			hw->get_link_status = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
			/* Check if there was DownShift, must be checked
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
			 * immediately after link-up
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
			e1000_check_downshift(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
			/* If we are on 82544 or 82543 silicon and speed/duplex
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
			 * are forced to 10H or 10F, then we will implement the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
			 * polarity reversal workaround.  We disable interrupts
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
			 * first, and upon returning, place the devices
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
			 * interrupt state to its previous value except for the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
			 * link status change interrupt which will
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
			 * happen due to the execution of this workaround.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
			if ((hw->mac_type == e1000_82544
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
			     || hw->mac_type == e1000_82543) && (!hw->autoneg)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
			    && (hw->forced_speed_duplex == e1000_10_full
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
				|| hw->forced_speed_duplex == e1000_10_half)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
				ew32(IMC, 0xffffffff);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
				ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
				    e1000_polarity_reversal_workaround(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
				icr = er32(ICR);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
				ew32(ICS, (icr & ~E1000_ICS_LSC));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
				ew32(IMS, IMS_ENABLE_MASK);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
			/* No link detected */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
			e1000_config_dsp_after_link_change(hw, false);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
			return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
		/* If we are forcing speed/duplex, then we simply return since
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
		 * we have already determined whether we have link or not.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
		if (!hw->autoneg)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
			return -E1000_ERR_CONFIG;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
		/* optimize the dsp settings for the igp phy */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
		e1000_config_dsp_after_link_change(hw, true);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
		/* We have a M88E1000 PHY and Auto-Neg is enabled.  If we
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
		 * have Si on board that is 82544 or newer, Auto
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
		 * Speed Detection takes care of MAC speed/duplex
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
		 * configuration.  So we only need to configure Collision
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
		 * Distance in the MAC.  Otherwise, we need to force
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
		 * speed/duplex on the MAC to the current PHY speed/duplex
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
		 * settings.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
		if ((hw->mac_type >= e1000_82544) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
		    (hw->mac_type != e1000_ce4100))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
			e1000_config_collision_dist(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
		else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
			ret_val = e1000_config_mac_to_phy(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
			if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
				e_dbg
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
				    ("Error configuring MAC to PHY settings\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
		/* Configure Flow Control now that Auto-Neg has completed.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
		 * First, we need to restore the desired flow control settings
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
		 * because we may have had to re-autoneg with a different link
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
		 * partner.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
		ret_val = e1000_config_fc_after_link_up(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
		if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
			e_dbg("Error configuring flow control\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
		/* At this point we know that we are on copper and we have
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
		 * auto-negotiated link.  These are conditions for checking the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
		 * link partner capability register.  We use the link speed to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
		 * determine if TBI compatibility needs to be turned on or off.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
		 * If the link is not at gigabit speed, then TBI compatibility
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
		 * is not needed.  If we are at gigabit speed, we turn on TBI
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
		 * compatibility.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
		if (hw->tbi_compatibility_en) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
			u16 speed, duplex;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
			    e1000_get_speed_and_duplex(hw, &speed, &duplex);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
			if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
				e_dbg
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
				    ("Error getting link speed and duplex\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
			if (speed != SPEED_1000) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
				/* If link speed is not set to gigabit speed, we
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
				 * do not need to enable TBI compatibility.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
				 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
				if (hw->tbi_compatibility_on) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
					/* If we previously were in the mode,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
					 * turn it off.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
					 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
					rctl = er32(RCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
					rctl &= ~E1000_RCTL_SBP;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
					ew32(RCTL, rctl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
					hw->tbi_compatibility_on = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
				}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
			} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
				/* If TBI compatibility is was previously off,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
				 * turn it on. For compatibility with a TBI link
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
				 * partner, we will store bad packets. Some
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
				 * frames have an additional byte on the end and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
				 * will look like CRC errors to to the hardware.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
				 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
				if (!hw->tbi_compatibility_on) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
					hw->tbi_compatibility_on = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
					rctl = er32(RCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
					rctl |= E1000_RCTL_SBP;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
					ew32(RCTL, rctl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
				}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
	if ((hw->media_type == e1000_media_type_fiber) ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
	    (hw->media_type == e1000_media_type_internal_serdes))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
		e1000_check_for_serdes_link_generic(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
 * e1000_get_speed_and_duplex
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
 * @speed: Speed of the connection
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
 * @duplex: Duplex setting of the connection
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
 * Detects the current speed and duplex settings of the hardware.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
s32 e1000_get_speed_and_duplex(struct e1000_hw *hw, u16 *speed, u16 *duplex)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
	u32 status;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
	u16 phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
	e_dbg("e1000_get_speed_and_duplex");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
	if (hw->mac_type >= e1000_82543) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
		status = er32(STATUS);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
		if (status & E1000_STATUS_SPEED_1000) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
			*speed = SPEED_1000;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
			e_dbg("1000 Mbs, ");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
		} else if (status & E1000_STATUS_SPEED_100) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
			*speed = SPEED_100;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
			e_dbg("100 Mbs, ");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
			*speed = SPEED_10;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
			e_dbg("10 Mbs, ");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
		if (status & E1000_STATUS_FD) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
			*duplex = FULL_DUPLEX;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
			e_dbg("Full Duplex\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
			*duplex = HALF_DUPLEX;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
			e_dbg(" Half Duplex\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
		e_dbg("1000 Mbs, Full Duplex\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
		*speed = SPEED_1000;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
		*duplex = FULL_DUPLEX;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
	/* IGP01 PHY may advertise full duplex operation after speed downgrade
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
	 * even if it is operating at half duplex.  Here we set the duplex
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
	 * settings to match the duplex in the link partner's capabilities.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
	if (hw->phy_type == e1000_phy_igp && hw->speed_downgraded) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
		ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_EXP, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
		if (!(phy_data & NWAY_ER_LP_NWAY_CAPS))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
			*duplex = HALF_DUPLEX;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
		else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
			    e1000_read_phy_reg(hw, PHY_LP_ABILITY, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
			if ((*speed == SPEED_100
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
			     && !(phy_data & NWAY_LPAR_100TX_FD_CAPS))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
			    || (*speed == SPEED_10
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
				&& !(phy_data & NWAY_LPAR_10T_FD_CAPS)))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
				*duplex = HALF_DUPLEX;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
 * e1000_wait_autoneg
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
 * Blocks until autoneg completes or times out (~4.5 seconds)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
static s32 e1000_wait_autoneg(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
	u16 i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
	u16 phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
	e_dbg("e1000_wait_autoneg");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
	e_dbg("Waiting for Auto-Neg to complete.\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
	/* We will wait for autoneg to complete or 4.5 seconds to expire. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
	for (i = PHY_AUTO_NEG_TIME; i > 0; i--) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
		/* Read the MII Status Register and wait for Auto-Neg
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
		 * Complete bit to be set.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
		if (phy_data & MII_SR_AUTONEG_COMPLETE) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
			return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
		msleep(100);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
 * e1000_raise_mdi_clk - Raises the Management Data Clock
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
 * @ctrl: Device control register's current value
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
static void e1000_raise_mdi_clk(struct e1000_hw *hw, u32 *ctrl)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
	/* Raise the clock input to the Management Data Clock (by setting the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
	 * MDC bit), and then delay 10 microseconds.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
	ew32(CTRL, (*ctrl | E1000_CTRL_MDC));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
	E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
	udelay(10);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
 * e1000_lower_mdi_clk - Lowers the Management Data Clock
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
 * @ctrl: Device control register's current value
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
static void e1000_lower_mdi_clk(struct e1000_hw *hw, u32 *ctrl)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
	/* Lower the clock input to the Management Data Clock (by clearing the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
	 * MDC bit), and then delay 10 microseconds.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
	ew32(CTRL, (*ctrl & ~E1000_CTRL_MDC));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
	E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
	udelay(10);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
 * e1000_shift_out_mdi_bits - Shifts data bits out to the PHY
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
 * @data: Data to send out to the PHY
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
 * @count: Number of bits to shift out
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
 * Bits are shifted out in MSB to LSB order.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
static void e1000_shift_out_mdi_bits(struct e1000_hw *hw, u32 data, u16 count)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
	u32 ctrl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
	u32 mask;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
	/* We need to shift "count" number of bits out to the PHY. So, the value
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
	 * in the "data" parameter will be shifted out to the PHY one bit at a
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
	 * time. In order to do this, "data" must be broken down into bits.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
	mask = 0x01;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
	mask <<= (count - 1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
	ctrl = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
	/* Set MDIO_DIR and MDC_DIR direction bits to be used as output pins. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
	ctrl |= (E1000_CTRL_MDIO_DIR | E1000_CTRL_MDC_DIR);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
	while (mask) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
		/* A "1" is shifted out to the PHY by setting the MDIO bit to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
		 * "1" and then raising and lowering the Management Data Clock.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
		 * A "0" is shifted out to the PHY by setting the MDIO bit to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
		 * "0" and then raising and lowering the clock.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
		if (data & mask)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
			ctrl |= E1000_CTRL_MDIO;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
		else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
			ctrl &= ~E1000_CTRL_MDIO;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
		ew32(CTRL, ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
		udelay(10);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
		e1000_raise_mdi_clk(hw, &ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
		e1000_lower_mdi_clk(hw, &ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
		mask = mask >> 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
 * e1000_shift_in_mdi_bits - Shifts data bits in from the PHY
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
 * Bits are shifted in in MSB to LSB order.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
static u16 e1000_shift_in_mdi_bits(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
	u32 ctrl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
	u16 data = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
	u8 i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
	/* In order to read a register from the PHY, we need to shift in a total
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
	 * of 18 bits from the PHY. The first two bit (turnaround) times are
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
	 * used to avoid contention on the MDIO pin when a read operation is
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
	 * performed. These two bits are ignored by us and thrown away. Bits are
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
	 * "shifted in" by raising the input to the Management Data Clock
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
	 * (setting the MDC bit), and then reading the value of the MDIO bit.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
	ctrl = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
	/* Clear MDIO_DIR (SWDPIO1) to indicate this bit is to be used as
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
	 * input.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
	ctrl &= ~E1000_CTRL_MDIO_DIR;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
	ctrl &= ~E1000_CTRL_MDIO;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
	ew32(CTRL, ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
	E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
	/* Raise and Lower the clock before reading in the data. This accounts
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
	 * for the turnaround bits. The first clock occurred when we clocked out
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
	 * the last bit of the Register Address.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
	e1000_raise_mdi_clk(hw, &ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
	e1000_lower_mdi_clk(hw, &ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
	for (data = 0, i = 0; i < 16; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
		data = data << 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
		e1000_raise_mdi_clk(hw, &ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
		ctrl = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
		/* Check to see if we shifted in a "1". */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
		if (ctrl & E1000_CTRL_MDIO)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
			data |= 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
		e1000_lower_mdi_clk(hw, &ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
	e1000_raise_mdi_clk(hw, &ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
	e1000_lower_mdi_clk(hw, &ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
	return data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
 * e1000_read_phy_reg - read a phy register
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
 * @reg_addr: address of the PHY register to read
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
 * Reads the value from a PHY register, if the value is on a specific non zero
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
 * page, sets the page first.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
s32 e1000_read_phy_reg(struct e1000_hw *hw, u32 reg_addr, u16 *phy_data)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
	u32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
	unsigned long flags;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
	e_dbg("e1000_read_phy_reg");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
	spin_lock_irqsave(&e1000_phy_lock, flags);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
	if ((hw->phy_type == e1000_phy_igp) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
	    (reg_addr > MAX_PHY_MULTI_PAGE_REG)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
		ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
						 (u16) reg_addr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
		if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
			spin_unlock_irqrestore(&e1000_phy_lock, flags);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
	ret_val = e1000_read_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
					phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
	spin_unlock_irqrestore(&e1000_phy_lock, flags);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
	return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
static s32 e1000_read_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
				 u16 *phy_data)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
	u32 i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
	u32 mdic = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
	const u32 phy_addr = (hw->mac_type == e1000_ce4100) ? hw->phy_addr : 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
	e_dbg("e1000_read_phy_reg_ex");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
	if (reg_addr > MAX_PHY_REG_ADDRESS) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
		e_dbg("PHY Address %d is out of range\n", reg_addr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
		return -E1000_ERR_PARAM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
	if (hw->mac_type > e1000_82543) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
		/* Set up Op-code, Phy Address, and register address in the MDI
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
		 * Control register.  The MAC will take care of interfacing with
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
		 * the PHY to retrieve the desired data.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
		if (hw->mac_type == e1000_ce4100) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
			mdic = ((reg_addr << E1000_MDIC_REG_SHIFT) |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
				(phy_addr << E1000_MDIC_PHY_SHIFT) |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
				(INTEL_CE_GBE_MDIC_OP_READ) |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
				(INTEL_CE_GBE_MDIC_GO));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
			writel(mdic, E1000_MDIO_CMD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
			/* Poll the ready bit to see if the MDI read
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
			 * completed
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
			for (i = 0; i < 64; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
				udelay(50);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
				mdic = readl(E1000_MDIO_CMD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
				if (!(mdic & INTEL_CE_GBE_MDIC_GO))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
					break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
			if (mdic & INTEL_CE_GBE_MDIC_GO) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
				e_dbg("MDI Read did not complete\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
				return -E1000_ERR_PHY;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
			mdic = readl(E1000_MDIO_STS);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
			if (mdic & INTEL_CE_GBE_MDIC_READ_ERROR) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
				e_dbg("MDI Read Error\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
				return -E1000_ERR_PHY;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
			*phy_data = (u16) mdic;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
			mdic = ((reg_addr << E1000_MDIC_REG_SHIFT) |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
				(phy_addr << E1000_MDIC_PHY_SHIFT) |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
				(E1000_MDIC_OP_READ));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
			ew32(MDIC, mdic);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
			/* Poll the ready bit to see if the MDI read
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
			 * completed
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
			for (i = 0; i < 64; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
				udelay(50);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
				mdic = er32(MDIC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
				if (mdic & E1000_MDIC_READY)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
					break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
			if (!(mdic & E1000_MDIC_READY)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
				e_dbg("MDI Read did not complete\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
				return -E1000_ERR_PHY;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
			if (mdic & E1000_MDIC_ERROR) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
				e_dbg("MDI Error\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
				return -E1000_ERR_PHY;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
			*phy_data = (u16) mdic;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
		/* We must first send a preamble through the MDIO pin to signal
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
		 * the beginning of an MII instruction.  This is done by sending
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
		 * 32 consecutive "1" bits.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
		e1000_shift_out_mdi_bits(hw, PHY_PREAMBLE, PHY_PREAMBLE_SIZE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
		/* Now combine the next few fields that are required for a read
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
		 * operation.  We use this method instead of calling the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
		 * e1000_shift_out_mdi_bits routine five different times. The
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
		 * format of a MII read instruction consists of a shift out of
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
		 * 14 bits and is defined as follows:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
		 *    <Preamble><SOF><Op Code><Phy Addr><Reg Addr>
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
		 * followed by a shift in of 18 bits.  This first two bits
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
		 * shifted in are TurnAround bits used to avoid contention on
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
		 * the MDIO pin when a READ operation is performed.  These two
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
		 * bits are thrown away followed by a shift in of 16 bits which
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
		 * contains the desired data.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
		mdic = ((reg_addr) | (phy_addr << 5) |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
			(PHY_OP_READ << 10) | (PHY_SOF << 12));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
		e1000_shift_out_mdi_bits(hw, mdic, 14);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
		/* Now that we've shifted out the read command to the MII, we
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
		 * need to "shift in" the 16-bit value (18 total bits) of the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
		 * requested PHY register address.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
		*phy_data = e1000_shift_in_mdi_bits(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
 * e1000_write_phy_reg - write a phy register
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
 * @reg_addr: address of the PHY register to write
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
 * @data: data to write to the PHY
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
 * Writes a value to a PHY register
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 reg_addr, u16 phy_data)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
	u32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
	unsigned long flags;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
	e_dbg("e1000_write_phy_reg");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
	spin_lock_irqsave(&e1000_phy_lock, flags);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
	if ((hw->phy_type == e1000_phy_igp) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
	    (reg_addr > MAX_PHY_MULTI_PAGE_REG)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
		ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
						 (u16) reg_addr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
		if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
			spin_unlock_irqrestore(&e1000_phy_lock, flags);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
	ret_val = e1000_write_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
					 phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
	spin_unlock_irqrestore(&e1000_phy_lock, flags);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
	return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
static s32 e1000_write_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
				  u16 phy_data)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
	u32 i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
	u32 mdic = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
	const u32 phy_addr = (hw->mac_type == e1000_ce4100) ? hw->phy_addr : 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
	e_dbg("e1000_write_phy_reg_ex");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
	if (reg_addr > MAX_PHY_REG_ADDRESS) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
		e_dbg("PHY Address %d is out of range\n", reg_addr);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
		return -E1000_ERR_PARAM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
	if (hw->mac_type > e1000_82543) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
		/* Set up Op-code, Phy Address, register address, and data
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
		 * intended for the PHY register in the MDI Control register.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
		 * The MAC will take care of interfacing with the PHY to send
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
		 * the desired data.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
		if (hw->mac_type == e1000_ce4100) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
			mdic = (((u32) phy_data) |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
				(reg_addr << E1000_MDIC_REG_SHIFT) |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
				(phy_addr << E1000_MDIC_PHY_SHIFT) |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
				(INTEL_CE_GBE_MDIC_OP_WRITE) |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
				(INTEL_CE_GBE_MDIC_GO));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
			writel(mdic, E1000_MDIO_CMD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
			/* Poll the ready bit to see if the MDI read
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
			 * completed
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
			for (i = 0; i < 640; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
				udelay(5);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
				mdic = readl(E1000_MDIO_CMD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
				if (!(mdic & INTEL_CE_GBE_MDIC_GO))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
					break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
			if (mdic & INTEL_CE_GBE_MDIC_GO) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
				e_dbg("MDI Write did not complete\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
				return -E1000_ERR_PHY;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
			mdic = (((u32) phy_data) |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
				(reg_addr << E1000_MDIC_REG_SHIFT) |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
				(phy_addr << E1000_MDIC_PHY_SHIFT) |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
				(E1000_MDIC_OP_WRITE));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
			ew32(MDIC, mdic);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
			/* Poll the ready bit to see if the MDI read
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
			 * completed
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
			for (i = 0; i < 641; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
				udelay(5);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
				mdic = er32(MDIC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
				if (mdic & E1000_MDIC_READY)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
					break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
			if (!(mdic & E1000_MDIC_READY)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
				e_dbg("MDI Write did not complete\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
				return -E1000_ERR_PHY;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
		/* We'll need to use the SW defined pins to shift the write
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
		 * command out to the PHY. We first send a preamble to the PHY
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
		 * to signal the beginning of the MII instruction.  This is done
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
		 * by sending 32 consecutive "1" bits.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
		e1000_shift_out_mdi_bits(hw, PHY_PREAMBLE, PHY_PREAMBLE_SIZE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
		/* Now combine the remaining required fields that will indicate
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
		 * a write operation. We use this method instead of calling the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
		 * e1000_shift_out_mdi_bits routine for each field in the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
		 * command. The format of a MII write instruction is as follows:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
		 * <Preamble><SOF><OpCode><PhyAddr><RegAddr><Turnaround><Data>.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
		mdic = ((PHY_TURNAROUND) | (reg_addr << 2) | (phy_addr << 7) |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
			(PHY_OP_WRITE << 12) | (PHY_SOF << 14));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
		mdic <<= 16;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
		mdic |= (u32) phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
		e1000_shift_out_mdi_bits(hw, mdic, 32);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
 * e1000_phy_hw_reset - reset the phy, hardware style
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
 * Returns the PHY to the power-on reset state
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
s32 e1000_phy_hw_reset(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	u32 ctrl, ctrl_ext;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
	u32 led_ctrl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
	e_dbg("e1000_phy_hw_reset");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
	e_dbg("Resetting Phy...\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
	if (hw->mac_type > e1000_82543) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
		/* Read the device control register and assert the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
		 * E1000_CTRL_PHY_RST bit. Then, take it out of reset.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
		 * For e1000 hardware, we delay for 10ms between the assert
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
		 * and de-assert.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
		ctrl = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
		ew32(CTRL, ctrl | E1000_CTRL_PHY_RST);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
		msleep(10);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
		ew32(CTRL, ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
		/* Read the Extended Device Control Register, assert the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
		 * PHY_RESET_DIR bit to put the PHY into reset. Then, take it
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
		 * out of reset.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
		ctrl_ext = er32(CTRL_EXT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
		ctrl_ext |= E1000_CTRL_EXT_SDP4_DIR;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
		ctrl_ext &= ~E1000_CTRL_EXT_SDP4_DATA;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
		ew32(CTRL_EXT, ctrl_ext);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
		msleep(10);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
		ctrl_ext |= E1000_CTRL_EXT_SDP4_DATA;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
		ew32(CTRL_EXT, ctrl_ext);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
	udelay(150);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
	if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
		/* Configure activity LED after PHY reset */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
		led_ctrl = er32(LEDCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
		led_ctrl &= IGP_ACTIVITY_LED_MASK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
		led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
		ew32(LEDCTL, led_ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
	/* Wait for FW to finish PHY configuration. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
	return e1000_get_phy_cfg_done(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
 * e1000_phy_reset - reset the phy to commit settings
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
 * Resets the PHY
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
 * Sets bit 15 of the MII Control register
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
s32 e1000_phy_reset(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
	u16 phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
	e_dbg("e1000_phy_reset");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	switch (hw->phy_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
	case e1000_phy_igp:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
		ret_val = e1000_phy_hw_reset(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
		ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
		phy_data |= MII_CR_RESET;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
		ret_val = e1000_write_phy_reg(hw, PHY_CTRL, phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
		udelay(1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
	if (hw->phy_type == e1000_phy_igp)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
		e1000_phy_init_script(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
 * e1000_detect_gig_phy - check the phy type
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
 * Probes the expected PHY address for known PHY IDs
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
static s32 e1000_detect_gig_phy(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
	s32 phy_init_status, ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
	u16 phy_id_high, phy_id_low;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
	bool match = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
	e_dbg("e1000_detect_gig_phy");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
	if (hw->phy_id != 0)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
		return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
	/* Read the PHY ID Registers to identify which PHY is onboard. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
	ret_val = e1000_read_phy_reg(hw, PHY_ID1, &phy_id_high);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
	hw->phy_id = (u32) (phy_id_high << 16);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
	udelay(20);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
	ret_val = e1000_read_phy_reg(hw, PHY_ID2, &phy_id_low);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
	hw->phy_id |= (u32) (phy_id_low & PHY_REVISION_MASK);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
	hw->phy_revision = (u32) phy_id_low & ~PHY_REVISION_MASK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
	switch (hw->mac_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
	case e1000_82543:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
		if (hw->phy_id == M88E1000_E_PHY_ID)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
			match = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
	case e1000_82544:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
		if (hw->phy_id == M88E1000_I_PHY_ID)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
			match = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
	case e1000_82540:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
	case e1000_82545:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
	case e1000_82545_rev_3:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
	case e1000_82546:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
	case e1000_82546_rev_3:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
		if (hw->phy_id == M88E1011_I_PHY_ID)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
			match = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	case e1000_ce4100:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
		if ((hw->phy_id == RTL8211B_PHY_ID) ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
		    (hw->phy_id == RTL8201N_PHY_ID) ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
		    (hw->phy_id == M88E1118_E_PHY_ID))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
			match = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
	case e1000_82541:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
	case e1000_82541_rev_2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
	case e1000_82547:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
	case e1000_82547_rev_2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
		if (hw->phy_id == IGP01E1000_I_PHY_ID)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
			match = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
		e_dbg("Invalid MAC type %d\n", hw->mac_type);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
		return -E1000_ERR_CONFIG;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
	phy_init_status = e1000_set_phy_type(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
	if ((match) && (phy_init_status == E1000_SUCCESS)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
		e_dbg("PHY ID 0x%X detected\n", hw->phy_id);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
		return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
	e_dbg("Invalid PHY ID 0x%X\n", hw->phy_id);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
	return -E1000_ERR_PHY;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
 * e1000_phy_reset_dsp - reset DSP
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
 * Resets the PHY's DSP
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
static s32 e1000_phy_reset_dsp(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
	e_dbg("e1000_phy_reset_dsp");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
	do {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
		ret_val = e1000_write_phy_reg(hw, 29, 0x001d);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
		ret_val = e1000_write_phy_reg(hw, 30, 0x00c1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
		ret_val = e1000_write_phy_reg(hw, 30, 0x0000);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
		ret_val = E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
	} while (0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
	return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
 * e1000_phy_igp_get_info - get igp specific registers
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
 * @phy_info: PHY information structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
 * Get PHY information from various PHY registers for igp PHY only.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
static s32 e1000_phy_igp_get_info(struct e1000_hw *hw,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
				  struct e1000_phy_info *phy_info)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
	u16 phy_data, min_length, max_length, average;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
	e1000_rev_polarity polarity;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
	e_dbg("e1000_phy_igp_get_info");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
	/* The downshift status is checked only once, after link is established,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
	 * and it stored in the hw->speed_downgraded parameter.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
	phy_info->downshift = (e1000_downshift) hw->speed_downgraded;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
	/* IGP01E1000 does not need to support it. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
	phy_info->extended_10bt_distance = e1000_10bt_ext_dist_enable_normal;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
	/* IGP01E1000 always correct polarity reversal */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
	phy_info->polarity_correction = e1000_polarity_reversal_enabled;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
	/* Check polarity status */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
	ret_val = e1000_check_polarity(hw, &polarity);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
	phy_info->cable_polarity = polarity;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
	phy_info->mdix_mode =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
	    (e1000_auto_x_mode) ((phy_data & IGP01E1000_PSSR_MDIX) >>
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
				 IGP01E1000_PSSR_MDIX_SHIFT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
	if ((phy_data & IGP01E1000_PSSR_SPEED_MASK) ==
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
	    IGP01E1000_PSSR_SPEED_1000MBPS) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
		/* Local/Remote Receiver Information are only valid @ 1000
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
		 * Mbps
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
		ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
		phy_info->local_rx = ((phy_data & SR_1000T_LOCAL_RX_STATUS) >>
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
				      SR_1000T_LOCAL_RX_STATUS_SHIFT) ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
		    e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
		phy_info->remote_rx = ((phy_data & SR_1000T_REMOTE_RX_STATUS) >>
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
				       SR_1000T_REMOTE_RX_STATUS_SHIFT) ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
		    e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
		/* Get cable length */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
		ret_val = e1000_get_cable_length(hw, &min_length, &max_length);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
		/* Translate to old method */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
		average = (max_length + min_length) / 2;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
		if (average <= e1000_igp_cable_length_50)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
			phy_info->cable_length = e1000_cable_length_50;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
		else if (average <= e1000_igp_cable_length_80)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
			phy_info->cable_length = e1000_cable_length_50_80;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
		else if (average <= e1000_igp_cable_length_110)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
			phy_info->cable_length = e1000_cable_length_80_110;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
		else if (average <= e1000_igp_cable_length_140)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
			phy_info->cable_length = e1000_cable_length_110_140;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
		else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
			phy_info->cable_length = e1000_cable_length_140;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
 * e1000_phy_m88_get_info - get m88 specific registers
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
 * @phy_info: PHY information structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
 * Get PHY information from various PHY registers for m88 PHY only.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
static s32 e1000_phy_m88_get_info(struct e1000_hw *hw,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
				  struct e1000_phy_info *phy_info)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
	u16 phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
	e1000_rev_polarity polarity;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
	e_dbg("e1000_phy_m88_get_info");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
	/* The downshift status is checked only once, after link is established,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
	 * and it stored in the hw->speed_downgraded parameter.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
	phy_info->downshift = (e1000_downshift) hw->speed_downgraded;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
	phy_info->extended_10bt_distance =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
	    ((phy_data & M88E1000_PSCR_10BT_EXT_DIST_ENABLE) >>
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
	     M88E1000_PSCR_10BT_EXT_DIST_ENABLE_SHIFT) ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
	    e1000_10bt_ext_dist_enable_lower :
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
	    e1000_10bt_ext_dist_enable_normal;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
	phy_info->polarity_correction =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	    ((phy_data & M88E1000_PSCR_POLARITY_REVERSAL) >>
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
	     M88E1000_PSCR_POLARITY_REVERSAL_SHIFT) ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
	    e1000_polarity_reversal_disabled : e1000_polarity_reversal_enabled;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
	/* Check polarity status */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
	ret_val = e1000_check_polarity(hw, &polarity);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
	phy_info->cable_polarity = polarity;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
	phy_info->mdix_mode =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
	    (e1000_auto_x_mode) ((phy_data & M88E1000_PSSR_MDIX) >>
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
				 M88E1000_PSSR_MDIX_SHIFT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
	if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
		/* Cable Length Estimation and Local/Remote Receiver Information
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
		 * are only valid at 1000 Mbps.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
		phy_info->cable_length =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
		    (e1000_cable_length) ((phy_data &
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
					   M88E1000_PSSR_CABLE_LENGTH) >>
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
					  M88E1000_PSSR_CABLE_LENGTH_SHIFT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
		ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
		phy_info->local_rx = ((phy_data & SR_1000T_LOCAL_RX_STATUS) >>
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
				      SR_1000T_LOCAL_RX_STATUS_SHIFT) ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
		    e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
		phy_info->remote_rx = ((phy_data & SR_1000T_REMOTE_RX_STATUS) >>
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
				       SR_1000T_REMOTE_RX_STATUS_SHIFT) ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
		    e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
 * e1000_phy_get_info - request phy info
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
 * @phy_info: PHY information structure
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
 * Get PHY information from various PHY registers
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
s32 e1000_phy_get_info(struct e1000_hw *hw, struct e1000_phy_info *phy_info)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
	u16 phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
	e_dbg("e1000_phy_get_info");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
	phy_info->cable_length = e1000_cable_length_undefined;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
	phy_info->extended_10bt_distance = e1000_10bt_ext_dist_enable_undefined;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
	phy_info->cable_polarity = e1000_rev_polarity_undefined;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
	phy_info->downshift = e1000_downshift_undefined;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
	phy_info->polarity_correction = e1000_polarity_reversal_undefined;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
	phy_info->mdix_mode = e1000_auto_x_mode_undefined;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
	phy_info->local_rx = e1000_1000t_rx_status_undefined;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
	phy_info->remote_rx = e1000_1000t_rx_status_undefined;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
	if (hw->media_type != e1000_media_type_copper) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
		e_dbg("PHY info is only valid for copper media\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
		return -E1000_ERR_CONFIG;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
	if ((phy_data & MII_SR_LINK_STATUS) != MII_SR_LINK_STATUS) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
		e_dbg("PHY info is only valid if link is up\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
		return -E1000_ERR_CONFIG;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
	if (hw->phy_type == e1000_phy_igp)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
		return e1000_phy_igp_get_info(hw, phy_info);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
	else if ((hw->phy_type == e1000_phy_8211) ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
	         (hw->phy_type == e1000_phy_8201))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
		return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
	else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
		return e1000_phy_m88_get_info(hw, phy_info);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
s32 e1000_validate_mdi_setting(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
	e_dbg("e1000_validate_mdi_settings");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
	if (!hw->autoneg && (hw->mdix == 0 || hw->mdix == 3)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
		e_dbg("Invalid MDI setting detected\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
		hw->mdix = 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
		return -E1000_ERR_CONFIG;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
 * e1000_init_eeprom_params - initialize sw eeprom vars
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
 * Sets up eeprom variables in the hw struct.  Must be called after mac_type
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
 * is configured.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
s32 e1000_init_eeprom_params(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
	u32 eecd = er32(EECD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
	s32 ret_val = E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
	u16 eeprom_size;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
	e_dbg("e1000_init_eeprom_params");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
	switch (hw->mac_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
	case e1000_82542_rev2_0:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
	case e1000_82542_rev2_1:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
	case e1000_82543:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
	case e1000_82544:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
		eeprom->type = e1000_eeprom_microwire;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
		eeprom->word_size = 64;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
		eeprom->opcode_bits = 3;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
		eeprom->address_bits = 6;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
		eeprom->delay_usec = 50;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
	case e1000_82540:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
	case e1000_82545:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
	case e1000_82545_rev_3:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
	case e1000_82546:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
	case e1000_82546_rev_3:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
		eeprom->type = e1000_eeprom_microwire;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
		eeprom->opcode_bits = 3;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
		eeprom->delay_usec = 50;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
		if (eecd & E1000_EECD_SIZE) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
			eeprom->word_size = 256;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
			eeprom->address_bits = 8;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
			eeprom->word_size = 64;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
			eeprom->address_bits = 6;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
	case e1000_82541:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
	case e1000_82541_rev_2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
	case e1000_82547:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
	case e1000_82547_rev_2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
		if (eecd & E1000_EECD_TYPE) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
			eeprom->type = e1000_eeprom_spi;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
			eeprom->opcode_bits = 8;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
			eeprom->delay_usec = 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
			if (eecd & E1000_EECD_ADDR_BITS) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
				eeprom->page_size = 32;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
				eeprom->address_bits = 16;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
			} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
				eeprom->page_size = 8;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
				eeprom->address_bits = 8;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
			eeprom->type = e1000_eeprom_microwire;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
			eeprom->opcode_bits = 3;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
			eeprom->delay_usec = 50;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
			if (eecd & E1000_EECD_ADDR_BITS) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
				eeprom->word_size = 256;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
				eeprom->address_bits = 8;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
			} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
				eeprom->word_size = 64;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
				eeprom->address_bits = 6;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
	if (eeprom->type == e1000_eeprom_spi) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
		/* eeprom_size will be an enum [0..8] that maps to eeprom sizes
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
		 * 128B to 32KB (incremented by powers of 2).
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
		/* Set to default value for initial eeprom read. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
		eeprom->word_size = 64;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
		ret_val = e1000_read_eeprom(hw, EEPROM_CFG, 1, &eeprom_size);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
		eeprom_size =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
		    (eeprom_size & EEPROM_SIZE_MASK) >> EEPROM_SIZE_SHIFT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
		/* 256B eeprom size was not supported in earlier hardware, so we
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
		 * bump eeprom_size up one to ensure that "1" (which maps to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
		 * 256B) is never the result used in the shifting logic below.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
		if (eeprom_size)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
			eeprom_size++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
		eeprom->word_size = 1 << (eeprom_size + EEPROM_WORD_SIZE_SHIFT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
	return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
 * e1000_raise_ee_clk - Raises the EEPROM's clock input.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
 * @eecd: EECD's current value
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
static void e1000_raise_ee_clk(struct e1000_hw *hw, u32 *eecd)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
	/* Raise the clock input to the EEPROM (by setting the SK bit), and then
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
	 * wait <delay> microseconds.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
	*eecd = *eecd | E1000_EECD_SK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
	ew32(EECD, *eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
	E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
	udelay(hw->eeprom.delay_usec);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
 * e1000_lower_ee_clk - Lowers the EEPROM's clock input.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
 * @eecd: EECD's current value
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
static void e1000_lower_ee_clk(struct e1000_hw *hw, u32 *eecd)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
	/* Lower the clock input to the EEPROM (by clearing the SK bit), and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
	 * then wait 50 microseconds.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
	*eecd = *eecd & ~E1000_EECD_SK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
	ew32(EECD, *eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
	E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
	udelay(hw->eeprom.delay_usec);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
 * e1000_shift_out_ee_bits - Shift data bits out to the EEPROM.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
 * @data: data to send to the EEPROM
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
 * @count: number of bits to shift out
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
static void e1000_shift_out_ee_bits(struct e1000_hw *hw, u16 data, u16 count)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
	u32 eecd;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
	u32 mask;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
	/* We need to shift "count" bits out to the EEPROM. So, value in the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
	 * "data" parameter will be shifted out to the EEPROM one bit at a time.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
	 * In order to do this, "data" must be broken down into bits.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
	mask = 0x01 << (count - 1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
	eecd = er32(EECD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
	if (eeprom->type == e1000_eeprom_microwire) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
		eecd &= ~E1000_EECD_DO;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
	} else if (eeprom->type == e1000_eeprom_spi) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
		eecd |= E1000_EECD_DO;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
	do {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
		/* A "1" is shifted out to the EEPROM by setting bit "DI" to a
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
		 * "1", and then raising and then lowering the clock (the SK bit
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
		 * controls the clock input to the EEPROM).  A "0" is shifted
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
		 * out to the EEPROM by setting "DI" to "0" and then raising and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
		 * then lowering the clock.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
		eecd &= ~E1000_EECD_DI;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
		if (data & mask)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
			eecd |= E1000_EECD_DI;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
		ew32(EECD, eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
		udelay(eeprom->delay_usec);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
		e1000_raise_ee_clk(hw, &eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
		e1000_lower_ee_clk(hw, &eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
		mask = mask >> 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
	} while (mask);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
	/* We leave the "DI" bit set to "0" when we leave this routine. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
	eecd &= ~E1000_EECD_DI;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
	ew32(EECD, eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
 * e1000_shift_in_ee_bits - Shift data bits in from the EEPROM
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
 * @count: number of bits to shift in
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
static u16 e1000_shift_in_ee_bits(struct e1000_hw *hw, u16 count)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
	u32 eecd;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
	u32 i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
	u16 data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
	/* In order to read a register from the EEPROM, we need to shift 'count'
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
	 * bits in from the EEPROM. Bits are "shifted in" by raising the clock
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
	 * input to the EEPROM (setting the SK bit), and then reading the value
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
	 * of the "DO" bit.  During this "shifting in" process the "DI" bit
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
	 * should always be clear.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
	eecd = er32(EECD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
	eecd &= ~(E1000_EECD_DO | E1000_EECD_DI);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
	data = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
	for (i = 0; i < count; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
		data = data << 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
		e1000_raise_ee_clk(hw, &eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
		eecd = er32(EECD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
		eecd &= ~(E1000_EECD_DI);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
		if (eecd & E1000_EECD_DO)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
			data |= 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
		e1000_lower_ee_clk(hw, &eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
	return data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
 * e1000_acquire_eeprom - Prepares EEPROM for access
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
 * Lowers EEPROM clock. Clears input pin. Sets the chip select pin. This
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
 * function should be called before issuing a command to the EEPROM.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
static s32 e1000_acquire_eeprom(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
	u32 eecd, i = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
	e_dbg("e1000_acquire_eeprom");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
	eecd = er32(EECD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
	/* Request EEPROM Access */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
	if (hw->mac_type > e1000_82544) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
		eecd |= E1000_EECD_REQ;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
		ew32(EECD, eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
		eecd = er32(EECD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
		while ((!(eecd & E1000_EECD_GNT)) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
		       (i < E1000_EEPROM_GRANT_ATTEMPTS)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
			i++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
			udelay(5);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
			eecd = er32(EECD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
		if (!(eecd & E1000_EECD_GNT)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
			eecd &= ~E1000_EECD_REQ;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
			ew32(EECD, eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
			e_dbg("Could not acquire EEPROM grant\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
			return -E1000_ERR_EEPROM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
	/* Setup EEPROM for Read/Write */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
	if (eeprom->type == e1000_eeprom_microwire) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
		/* Clear SK and DI */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
		eecd &= ~(E1000_EECD_DI | E1000_EECD_SK);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
		ew32(EECD, eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
		/* Set CS */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
		eecd |= E1000_EECD_CS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
		ew32(EECD, eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
	} else if (eeprom->type == e1000_eeprom_spi) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
		/* Clear SK and CS */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
		eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
		ew32(EECD, eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
		udelay(1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
 * e1000_standby_eeprom - Returns EEPROM to a "standby" state
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
static void e1000_standby_eeprom(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
	u32 eecd;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
	eecd = er32(EECD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
	if (eeprom->type == e1000_eeprom_microwire) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
		eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
		ew32(EECD, eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
		udelay(eeprom->delay_usec);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
		/* Clock high */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
		eecd |= E1000_EECD_SK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
		ew32(EECD, eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
		udelay(eeprom->delay_usec);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
		/* Select EEPROM */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
		eecd |= E1000_EECD_CS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
		ew32(EECD, eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
		udelay(eeprom->delay_usec);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
		/* Clock low */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
		eecd &= ~E1000_EECD_SK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
		ew32(EECD, eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
		udelay(eeprom->delay_usec);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
	} else if (eeprom->type == e1000_eeprom_spi) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
		/* Toggle CS to flush commands */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
		eecd |= E1000_EECD_CS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
		ew32(EECD, eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
		udelay(eeprom->delay_usec);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
		eecd &= ~E1000_EECD_CS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
		ew32(EECD, eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
		udelay(eeprom->delay_usec);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
 * e1000_release_eeprom - drop chip select
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
 * Terminates a command by inverting the EEPROM's chip select pin
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
static void e1000_release_eeprom(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
	u32 eecd;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
	e_dbg("e1000_release_eeprom");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
	eecd = er32(EECD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
	if (hw->eeprom.type == e1000_eeprom_spi) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
		eecd |= E1000_EECD_CS;	/* Pull CS high */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
		eecd &= ~E1000_EECD_SK;	/* Lower SCK */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
		ew32(EECD, eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
		udelay(hw->eeprom.delay_usec);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
	} else if (hw->eeprom.type == e1000_eeprom_microwire) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
		/* cleanup eeprom */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
		/* CS on Microwire is active-high */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
		eecd &= ~(E1000_EECD_CS | E1000_EECD_DI);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
		ew32(EECD, eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
		/* Rising edge of clock */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
		eecd |= E1000_EECD_SK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
		ew32(EECD, eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
		udelay(hw->eeprom.delay_usec);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
		/* Falling edge of clock */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
		eecd &= ~E1000_EECD_SK;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
		ew32(EECD, eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
		udelay(hw->eeprom.delay_usec);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
	/* Stop requesting EEPROM access */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
	if (hw->mac_type > e1000_82544) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
		eecd &= ~E1000_EECD_REQ;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
		ew32(EECD, eecd);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
 * e1000_spi_eeprom_ready - Reads a 16 bit word from the EEPROM.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
static s32 e1000_spi_eeprom_ready(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
	u16 retry_count = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
	u8 spi_stat_reg;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
	e_dbg("e1000_spi_eeprom_ready");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
	/* Read "Status Register" repeatedly until the LSB is cleared.  The
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
	 * EEPROM will signal that the command has been completed by clearing
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
	 * bit 0 of the internal status register.  If it's not cleared within
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
	 * 5 milliseconds, then error out.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
	retry_count = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
	do {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
		e1000_shift_out_ee_bits(hw, EEPROM_RDSR_OPCODE_SPI,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
					hw->eeprom.opcode_bits);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
		spi_stat_reg = (u8) e1000_shift_in_ee_bits(hw, 8);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
		if (!(spi_stat_reg & EEPROM_STATUS_RDY_SPI))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
		udelay(5);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
		retry_count += 5;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
		e1000_standby_eeprom(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
	} while (retry_count < EEPROM_MAX_RETRY_SPI);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
	/* ATMEL SPI write time could vary from 0-20mSec on 3.3V devices (and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
	 * only 0-5mSec on 5V devices)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
	if (retry_count >= EEPROM_MAX_RETRY_SPI) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
		e_dbg("SPI EEPROM Status error\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
		return -E1000_ERR_EEPROM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
 * e1000_read_eeprom - Reads a 16 bit word from the EEPROM.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
 * @offset: offset of  word in the EEPROM to read
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
 * @data: word read from the EEPROM
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
 * @words: number of words to read
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
s32 e1000_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
	s32 ret;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
	spin_lock(&e1000_eeprom_lock);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
	ret = e1000_do_read_eeprom(hw, offset, words, data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
	spin_unlock(&e1000_eeprom_lock);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
	return ret;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
				u16 *data)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
	u32 i = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
	e_dbg("e1000_read_eeprom");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
	if (hw->mac_type == e1000_ce4100) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
		GBE_CONFIG_FLASH_READ(GBE_CONFIG_BASE_VIRT, offset, words,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
		                      data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
		return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
	/* If eeprom is not yet detected, do so now */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
	if (eeprom->word_size == 0)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
		e1000_init_eeprom_params(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
	/* A check for invalid values:  offset too large, too many words, and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
	 * not enough words.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
	if ((offset >= eeprom->word_size)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
	    || (words > eeprom->word_size - offset) || (words == 0)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
		e_dbg("\"words\" parameter out of bounds. Words = %d,"
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
		      "size = %d\n", offset, eeprom->word_size);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
		return -E1000_ERR_EEPROM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
	/* EEPROM's that don't use EERD to read require us to bit-bang the SPI
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
	 * directly. In this case, we need to acquire the EEPROM so that
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
	 * FW or other port software does not interrupt.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
	/* Prepare the EEPROM for bit-bang reading */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
	if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
		return -E1000_ERR_EEPROM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
	/* Set up the SPI or Microwire EEPROM for bit-bang reading.  We have
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
	 * acquired the EEPROM at this point, so any returns should release it
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
	if (eeprom->type == e1000_eeprom_spi) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
		u16 word_in;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
		u8 read_opcode = EEPROM_READ_OPCODE_SPI;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
		if (e1000_spi_eeprom_ready(hw)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
			e1000_release_eeprom(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
			return -E1000_ERR_EEPROM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
		e1000_standby_eeprom(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
		/* Some SPI eeproms use the 8th address bit embedded in the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
		 * opcode
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
		if ((eeprom->address_bits == 8) && (offset >= 128))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
			read_opcode |= EEPROM_A8_OPCODE_SPI;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
		/* Send the READ command (opcode + addr)  */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
		e1000_shift_out_ee_bits(hw, read_opcode, eeprom->opcode_bits);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
		e1000_shift_out_ee_bits(hw, (u16) (offset * 2),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
					eeprom->address_bits);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
		/* Read the data.  The address of the eeprom internally
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
		 * increments with each byte (spi) being read, saving on the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
		 * overhead of eeprom setup and tear-down.  The address counter
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
		 * will roll over if reading beyond the size of the eeprom, thus
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
		 * allowing the entire memory to be read starting from any
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
		 * offset.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
		for (i = 0; i < words; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
			word_in = e1000_shift_in_ee_bits(hw, 16);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
			data[i] = (word_in >> 8) | (word_in << 8);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
	} else if (eeprom->type == e1000_eeprom_microwire) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
		for (i = 0; i < words; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
			/* Send the READ command (opcode + addr)  */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
			e1000_shift_out_ee_bits(hw,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
						EEPROM_READ_OPCODE_MICROWIRE,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
						eeprom->opcode_bits);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
			e1000_shift_out_ee_bits(hw, (u16) (offset + i),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
						eeprom->address_bits);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
			/* Read the data.  For microwire, each word requires the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
			 * overhead of eeprom setup and tear-down.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
			data[i] = e1000_shift_in_ee_bits(hw, 16);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
			e1000_standby_eeprom(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
	/* End this read operation */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
	e1000_release_eeprom(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
 * e1000_validate_eeprom_checksum - Verifies that the EEPROM has a valid checksum
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
 * Reads the first 64 16 bit words of the EEPROM and sums the values read.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
 * If the the sum of the 64 16 bit words is 0xBABA, the EEPROM's checksum is
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
 * valid.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
s32 e1000_validate_eeprom_checksum(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
	u16 checksum = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
	u16 i, eeprom_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
	e_dbg("e1000_validate_eeprom_checksum");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
	for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
		if (e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
			e_dbg("EEPROM Read Error\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
			return -E1000_ERR_EEPROM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
		checksum += eeprom_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
#ifdef CONFIG_PARISC
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
	/* This is a signature and not a checksum on HP c8000 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
	if ((hw->subsystem_vendor_id == 0x103C) && (eeprom_data == 0x16d6))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
		return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
#endif
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
	if (checksum == (u16) EEPROM_SUM)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
		return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
	else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
		e_dbg("EEPROM Checksum Invalid\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
		return -E1000_ERR_EEPROM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
 * e1000_update_eeprom_checksum - Calculates/writes the EEPROM checksum
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
 * Sums the first 63 16 bit words of the EEPROM. Subtracts the sum from 0xBABA.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
 * Writes the difference to word offset 63 of the EEPROM.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
s32 e1000_update_eeprom_checksum(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
	u16 checksum = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
	u16 i, eeprom_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
	e_dbg("e1000_update_eeprom_checksum");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
	for (i = 0; i < EEPROM_CHECKSUM_REG; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
		if (e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
			e_dbg("EEPROM Read Error\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
			return -E1000_ERR_EEPROM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
		checksum += eeprom_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
	checksum = (u16) EEPROM_SUM - checksum;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
	if (e1000_write_eeprom(hw, EEPROM_CHECKSUM_REG, 1, &checksum) < 0) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
		e_dbg("EEPROM Write Error\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
		return -E1000_ERR_EEPROM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
 * e1000_write_eeprom - write words to the different EEPROM types.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
 * @offset: offset within the EEPROM to be written to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
 * @words: number of words to write
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
 * @data: 16 bit word to be written to the EEPROM
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
 * If e1000_update_eeprom_checksum is not called after this function, the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
 * EEPROM will most likely contain an invalid checksum.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
s32 e1000_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
	s32 ret;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
	spin_lock(&e1000_eeprom_lock);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
	ret = e1000_do_write_eeprom(hw, offset, words, data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
	spin_unlock(&e1000_eeprom_lock);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
	return ret;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
				 u16 *data)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
	s32 status = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
	e_dbg("e1000_write_eeprom");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
	if (hw->mac_type == e1000_ce4100) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
		GBE_CONFIG_FLASH_WRITE(GBE_CONFIG_BASE_VIRT, offset, words,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
		                       data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
		return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
	/* If eeprom is not yet detected, do so now */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
	if (eeprom->word_size == 0)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
		e1000_init_eeprom_params(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
	/* A check for invalid values:  offset too large, too many words, and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
	 * not enough words.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
	if ((offset >= eeprom->word_size)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
	    || (words > eeprom->word_size - offset) || (words == 0)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
		e_dbg("\"words\" parameter out of bounds\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
		return -E1000_ERR_EEPROM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
	/* Prepare the EEPROM for writing  */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
	if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
		return -E1000_ERR_EEPROM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
	if (eeprom->type == e1000_eeprom_microwire) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
		status = e1000_write_eeprom_microwire(hw, offset, words, data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
		status = e1000_write_eeprom_spi(hw, offset, words, data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
		msleep(10);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
	/* Done with writing */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
	e1000_release_eeprom(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
	return status;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
 * e1000_write_eeprom_spi - Writes a 16 bit word to a given offset in an SPI EEPROM.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
 * @offset: offset within the EEPROM to be written to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
 * @words: number of words to write
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
 * @data: pointer to array of 8 bit words to be written to the EEPROM
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
static s32 e1000_write_eeprom_spi(struct e1000_hw *hw, u16 offset, u16 words,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
				  u16 *data)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
	u16 widx = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
	e_dbg("e1000_write_eeprom_spi");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
	while (widx < words) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
		u8 write_opcode = EEPROM_WRITE_OPCODE_SPI;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
		if (e1000_spi_eeprom_ready(hw))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
			return -E1000_ERR_EEPROM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
		e1000_standby_eeprom(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
		/*  Send the WRITE ENABLE command (8 bit opcode )  */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
		e1000_shift_out_ee_bits(hw, EEPROM_WREN_OPCODE_SPI,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
					eeprom->opcode_bits);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
		e1000_standby_eeprom(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
		/* Some SPI eeproms use the 8th address bit embedded in the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
		 * opcode
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
		if ((eeprom->address_bits == 8) && (offset >= 128))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
			write_opcode |= EEPROM_A8_OPCODE_SPI;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
		/* Send the Write command (8-bit opcode + addr) */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
		e1000_shift_out_ee_bits(hw, write_opcode, eeprom->opcode_bits);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
		e1000_shift_out_ee_bits(hw, (u16) ((offset + widx) * 2),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
					eeprom->address_bits);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
		/* Send the data */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
		/* Loop to allow for up to whole page write (32 bytes) of
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
		 * eeprom
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
		while (widx < words) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
			u16 word_out = data[widx];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
			word_out = (word_out >> 8) | (word_out << 8);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
			e1000_shift_out_ee_bits(hw, word_out, 16);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
			widx++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
			/* Some larger eeprom sizes are capable of a 32-byte
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
			 * PAGE WRITE operation, while the smaller eeproms are
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
			 * capable of an 8-byte PAGE WRITE operation.  Break the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
			 * inner loop to pass new address
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
			if ((((offset + widx) * 2) % eeprom->page_size) == 0) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
				e1000_standby_eeprom(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
				break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
 * e1000_write_eeprom_microwire - Writes a 16 bit word to a given offset in a Microwire EEPROM.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
 * @offset: offset within the EEPROM to be written to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
 * @words: number of words to write
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
 * @data: pointer to array of 8 bit words to be written to the EEPROM
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
static s32 e1000_write_eeprom_microwire(struct e1000_hw *hw, u16 offset,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
					u16 words, u16 *data)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
	u32 eecd;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
	u16 words_written = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
	u16 i = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
	e_dbg("e1000_write_eeprom_microwire");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
	/* Send the write enable command to the EEPROM (3-bit opcode plus
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
	 * 6/8-bit dummy address beginning with 11).  It's less work to include
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
	 * the 11 of the dummy address as part of the opcode than it is to shift
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
	 * it over the correct number of bits for the address.  This puts the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
	 * EEPROM into write/erase mode.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
	e1000_shift_out_ee_bits(hw, EEPROM_EWEN_OPCODE_MICROWIRE,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
				(u16) (eeprom->opcode_bits + 2));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
	e1000_shift_out_ee_bits(hw, 0, (u16) (eeprom->address_bits - 2));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
	/* Prepare the EEPROM */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
	e1000_standby_eeprom(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
	while (words_written < words) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
		/* Send the Write command (3-bit opcode + addr) */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
		e1000_shift_out_ee_bits(hw, EEPROM_WRITE_OPCODE_MICROWIRE,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
					eeprom->opcode_bits);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
		e1000_shift_out_ee_bits(hw, (u16) (offset + words_written),
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
					eeprom->address_bits);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
		/* Send the data */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
		e1000_shift_out_ee_bits(hw, data[words_written], 16);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
		/* Toggle the CS line.  This in effect tells the EEPROM to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
		 * execute the previous command.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
		e1000_standby_eeprom(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
		/* Read DO repeatedly until it is high (equal to '1').  The
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
		 * EEPROM will signal that the command has been completed by
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
		 * raising the DO signal. If DO does not go high in 10
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
		 * milliseconds, then error out.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
		for (i = 0; i < 200; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
			eecd = er32(EECD);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
			if (eecd & E1000_EECD_DO)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
				break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
			udelay(50);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
		if (i == 200) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
			e_dbg("EEPROM Write did not complete\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
			return -E1000_ERR_EEPROM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
		/* Recover from write */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
		e1000_standby_eeprom(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
		words_written++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
	/* Send the write disable command to the EEPROM (3-bit opcode plus
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
	 * 6/8-bit dummy address beginning with 10).  It's less work to include
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
	 * the 10 of the dummy address as part of the opcode than it is to shift
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
	 * it over the correct number of bits for the address.  This takes the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
	 * EEPROM out of write/erase mode.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
	e1000_shift_out_ee_bits(hw, EEPROM_EWDS_OPCODE_MICROWIRE,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
				(u16) (eeprom->opcode_bits + 2));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
	e1000_shift_out_ee_bits(hw, 0, (u16) (eeprom->address_bits - 2));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
 * e1000_read_mac_addr - read the adapters MAC from eeprom
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
 * Reads the adapter's MAC address from the EEPROM and inverts the LSB for the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
 * second function of dual function devices
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
s32 e1000_read_mac_addr(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
	u16 offset;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
	u16 eeprom_data, i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
	e_dbg("e1000_read_mac_addr");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
	for (i = 0; i < NODE_ADDRESS_SIZE; i += 2) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
		offset = i >> 1;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
		if (e1000_read_eeprom(hw, offset, 1, &eeprom_data) < 0) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
			e_dbg("EEPROM Read Error\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
			return -E1000_ERR_EEPROM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
		hw->perm_mac_addr[i] = (u8) (eeprom_data & 0x00FF);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
		hw->perm_mac_addr[i + 1] = (u8) (eeprom_data >> 8);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
	switch (hw->mac_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
	case e1000_82546:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
	case e1000_82546_rev_3:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
			hw->perm_mac_addr[5] ^= 0x01;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
	for (i = 0; i < NODE_ADDRESS_SIZE; i++)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
		hw->mac_addr[i] = hw->perm_mac_addr[i];
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
 * e1000_init_rx_addrs - Initializes receive address filters.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
 * Places the MAC address in receive address register 0 and clears the rest
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
 * of the receive address registers. Clears the multicast table. Assumes
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
 * the receiver is in reset when the routine is called.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
static void e1000_init_rx_addrs(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
	u32 i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
	u32 rar_num;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
	e_dbg("e1000_init_rx_addrs");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
	/* Setup the receive address. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
	e_dbg("Programming MAC Address into RAR[0]\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
	e1000_rar_set(hw, hw->mac_addr, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
	rar_num = E1000_RAR_ENTRIES;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
	/* Zero out the other 15 receive addresses. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
	e_dbg("Clearing RAR[1-15]\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
	for (i = 1; i < rar_num; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
		E1000_WRITE_REG_ARRAY(hw, RA, (i << 1), 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
		E1000_WRITE_REG_ARRAY(hw, RA, ((i << 1) + 1), 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
 * e1000_hash_mc_addr - Hashes an address to determine its location in the multicast table
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
 * @mc_addr: the multicast address to hash
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
	u32 hash_value = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
	/* The portion of the address that is used for the hash table is
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
	 * determined by the mc_filter_type setting.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
	switch (hw->mc_filter_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
		/* [0] [1] [2] [3] [4] [5]
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
		 * 01  AA  00  12  34  56
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
		 * LSB                 MSB
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
	case 0:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
		/* [47:36] i.e. 0x563 for above example address */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
		hash_value = ((mc_addr[4] >> 4) | (((u16) mc_addr[5]) << 4));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
	case 1:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
		/* [46:35] i.e. 0xAC6 for above example address */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
		hash_value = ((mc_addr[4] >> 3) | (((u16) mc_addr[5]) << 5));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
	case 2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
		/* [45:34] i.e. 0x5D8 for above example address */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
		hash_value = ((mc_addr[4] >> 2) | (((u16) mc_addr[5]) << 6));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
	case 3:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
		/* [43:32] i.e. 0x634 for above example address */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
		hash_value = ((mc_addr[4]) | (((u16) mc_addr[5]) << 8));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
	hash_value &= 0xFFF;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
	return hash_value;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
 * e1000_rar_set - Puts an ethernet address into a receive address register.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
 * @addr: Address to put into receive address register
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
 * @index: Receive address register to write
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
void e1000_rar_set(struct e1000_hw *hw, u8 *addr, u32 index)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
	u32 rar_low, rar_high;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
	/* HW expects these in little endian so we reverse the byte order
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
	 * from network order (big endian) to little endian
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
	rar_low = ((u32) addr[0] | ((u32) addr[1] << 8) |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
		   ((u32) addr[2] << 16) | ((u32) addr[3] << 24));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
	rar_high = ((u32) addr[4] | ((u32) addr[5] << 8));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
	/* Disable Rx and flush all Rx frames before enabling RSS to avoid Rx
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
	 * unit hang.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
	 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
	 * Description:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
	 * If there are any Rx frames queued up or otherwise present in the HW
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
	 * before RSS is enabled, and then we enable RSS, the HW Rx unit will
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
	 * hang.  To work around this issue, we have to disable receives and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
	 * flush out all Rx frames before we enable RSS. To do so, we modify we
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
	 * redirect all Rx traffic to manageability and then reset the HW.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
	 * This flushes away Rx frames, and (since the redirections to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
	 * manageability persists across resets) keeps new ones from coming in
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
	 * while we work.  Then, we clear the Address Valid AV bit for all MAC
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
	 * addresses and undo the re-direction to manageability.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
	 * Now, frames are coming in again, but the MAC won't accept them, so
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
	 * far so good.  We now proceed to initialize RSS (if necessary) and
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
	 * configure the Rx unit.  Last, we re-enable the AV bits and continue
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
	 * on our merry way.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
	switch (hw->mac_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
		/* Indicate to hardware the Address is Valid. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
		rar_high |= E1000_RAH_AV;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
	E1000_WRITE_REG_ARRAY(hw, RA, (index << 1), rar_low);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
	E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
	E1000_WRITE_REG_ARRAY(hw, RA, ((index << 1) + 1), rar_high);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
	E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
 * e1000_write_vfta - Writes a value to the specified offset in the VLAN filter table.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
 * @offset: Offset in VLAN filer table to write
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
 * @value: Value to write into VLAN filter table
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
	u32 temp;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
	if ((hw->mac_type == e1000_82544) && ((offset & 0x1) == 1)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
		temp = E1000_READ_REG_ARRAY(hw, VFTA, (offset - 1));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
		E1000_WRITE_REG_ARRAY(hw, VFTA, offset, value);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
		E1000_WRITE_REG_ARRAY(hw, VFTA, (offset - 1), temp);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
		E1000_WRITE_REG_ARRAY(hw, VFTA, offset, value);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
 * e1000_clear_vfta - Clears the VLAN filer table
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
static void e1000_clear_vfta(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
	u32 offset;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
	u32 vfta_value = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
	u32 vfta_offset = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
	u32 vfta_bit_in_reg = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
	for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
		/* If the offset we want to clear is the same offset of the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
		 * manageability VLAN ID, then clear all bits except that of the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
		 * manageability unit
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
		vfta_value = (offset == vfta_offset) ? vfta_bit_in_reg : 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
		E1000_WRITE_REG_ARRAY(hw, VFTA, offset, vfta_value);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
		E1000_WRITE_FLUSH();
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
static s32 e1000_id_led_init(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
	u32 ledctl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
	const u32 ledctl_mask = 0x000000FF;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
	const u32 ledctl_on = E1000_LEDCTL_MODE_LED_ON;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
	const u32 ledctl_off = E1000_LEDCTL_MODE_LED_OFF;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
	u16 eeprom_data, i, temp;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
	const u16 led_mask = 0x0F;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
	e_dbg("e1000_id_led_init");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
	if (hw->mac_type < e1000_82540) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
		/* Nothing to do */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
		return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
	ledctl = er32(LEDCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
	hw->ledctl_default = ledctl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
	hw->ledctl_mode1 = hw->ledctl_default;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
	hw->ledctl_mode2 = hw->ledctl_default;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
	if (e1000_read_eeprom(hw, EEPROM_ID_LED_SETTINGS, 1, &eeprom_data) < 0) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
		e_dbg("EEPROM Read Error\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
		return -E1000_ERR_EEPROM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
	if ((eeprom_data == ID_LED_RESERVED_0000) ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
	    (eeprom_data == ID_LED_RESERVED_FFFF)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
		eeprom_data = ID_LED_DEFAULT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
	for (i = 0; i < 4; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
		temp = (eeprom_data >> (i << 2)) & led_mask;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
		switch (temp) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
		case ID_LED_ON1_DEF2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
		case ID_LED_ON1_ON2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
		case ID_LED_ON1_OFF2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
			hw->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
			hw->ledctl_mode1 |= ledctl_on << (i << 3);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
		case ID_LED_OFF1_DEF2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
		case ID_LED_OFF1_ON2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
		case ID_LED_OFF1_OFF2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
			hw->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
			hw->ledctl_mode1 |= ledctl_off << (i << 3);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
		default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
			/* Do nothing */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
		switch (temp) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
		case ID_LED_DEF1_ON2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
		case ID_LED_ON1_ON2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
		case ID_LED_OFF1_ON2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
			hw->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
			hw->ledctl_mode2 |= ledctl_on << (i << 3);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
		case ID_LED_DEF1_OFF2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
		case ID_LED_ON1_OFF2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
		case ID_LED_OFF1_OFF2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
			hw->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
			hw->ledctl_mode2 |= ledctl_off << (i << 3);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
		default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
			/* Do nothing */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
 * e1000_setup_led
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
 * Prepares SW controlable LED for use and saves the current state of the LED.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
s32 e1000_setup_led(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
	u32 ledctl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
	s32 ret_val = E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
	e_dbg("e1000_setup_led");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
	switch (hw->mac_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
	case e1000_82542_rev2_0:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
	case e1000_82542_rev2_1:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
	case e1000_82543:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
	case e1000_82544:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
		/* No setup necessary */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
	case e1000_82541:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
	case e1000_82547:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
	case e1000_82541_rev_2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
	case e1000_82547_rev_2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
		/* Turn off PHY Smart Power Down (if enabled) */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
		ret_val = e1000_read_phy_reg(hw, IGP01E1000_GMII_FIFO,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
					     &hw->phy_spd_default);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
		ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
					      (u16) (hw->phy_spd_default &
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
						     ~IGP01E1000_GMII_SPD));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
		/* Fall Through */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
		if (hw->media_type == e1000_media_type_fiber) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
			ledctl = er32(LEDCTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
			/* Save current LEDCTL settings */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
			hw->ledctl_default = ledctl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
			/* Turn off LED0 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
			ledctl &= ~(E1000_LEDCTL_LED0_IVRT |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
				    E1000_LEDCTL_LED0_BLINK |
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
				    E1000_LEDCTL_LED0_MODE_MASK);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
			ledctl |= (E1000_LEDCTL_MODE_LED_OFF <<
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
				   E1000_LEDCTL_LED0_MODE_SHIFT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
			ew32(LEDCTL, ledctl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
		} else if (hw->media_type == e1000_media_type_copper)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
			ew32(LEDCTL, hw->ledctl_mode1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
 * e1000_cleanup_led - Restores the saved state of the SW controlable LED.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
s32 e1000_cleanup_led(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
	s32 ret_val = E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
	e_dbg("e1000_cleanup_led");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
	switch (hw->mac_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
	case e1000_82542_rev2_0:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
	case e1000_82542_rev2_1:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
	case e1000_82543:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
	case e1000_82544:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
		/* No cleanup necessary */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
	case e1000_82541:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
	case e1000_82547:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
	case e1000_82541_rev_2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
	case e1000_82547_rev_2:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
		/* Turn on PHY Smart Power Down (if previously enabled) */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
		ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
					      hw->phy_spd_default);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
		/* Fall Through */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
		/* Restore LEDCTL settings */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
		ew32(LEDCTL, hw->ledctl_default);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
 * e1000_led_on - Turns on the software controllable LED
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
s32 e1000_led_on(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
	u32 ctrl = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
	e_dbg("e1000_led_on");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
	switch (hw->mac_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
	case e1000_82542_rev2_0:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
	case e1000_82542_rev2_1:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
	case e1000_82543:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
		/* Set SW Defineable Pin 0 to turn on the LED */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
		ctrl |= E1000_CTRL_SWDPIN0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
		ctrl |= E1000_CTRL_SWDPIO0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
	case e1000_82544:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
		if (hw->media_type == e1000_media_type_fiber) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
			/* Set SW Defineable Pin 0 to turn on the LED */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
			ctrl |= E1000_CTRL_SWDPIN0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
			ctrl |= E1000_CTRL_SWDPIO0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
			/* Clear SW Defineable Pin 0 to turn on the LED */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
			ctrl &= ~E1000_CTRL_SWDPIN0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
			ctrl |= E1000_CTRL_SWDPIO0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
		if (hw->media_type == e1000_media_type_fiber) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
			/* Clear SW Defineable Pin 0 to turn on the LED */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
			ctrl &= ~E1000_CTRL_SWDPIN0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
			ctrl |= E1000_CTRL_SWDPIO0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
		} else if (hw->media_type == e1000_media_type_copper) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
			ew32(LEDCTL, hw->ledctl_mode2);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
			return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
	ew32(CTRL, ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
 * e1000_led_off - Turns off the software controllable LED
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
s32 e1000_led_off(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
	u32 ctrl = er32(CTRL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
	e_dbg("e1000_led_off");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
	switch (hw->mac_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
	case e1000_82542_rev2_0:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
	case e1000_82542_rev2_1:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
	case e1000_82543:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
		/* Clear SW Defineable Pin 0 to turn off the LED */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
		ctrl &= ~E1000_CTRL_SWDPIN0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
		ctrl |= E1000_CTRL_SWDPIO0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
	case e1000_82544:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
		if (hw->media_type == e1000_media_type_fiber) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
			/* Clear SW Defineable Pin 0 to turn off the LED */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
			ctrl &= ~E1000_CTRL_SWDPIN0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
			ctrl |= E1000_CTRL_SWDPIO0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
			/* Set SW Defineable Pin 0 to turn off the LED */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
			ctrl |= E1000_CTRL_SWDPIN0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
			ctrl |= E1000_CTRL_SWDPIO0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
		if (hw->media_type == e1000_media_type_fiber) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
			/* Set SW Defineable Pin 0 to turn off the LED */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
			ctrl |= E1000_CTRL_SWDPIN0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
			ctrl |= E1000_CTRL_SWDPIO0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
		} else if (hw->media_type == e1000_media_type_copper) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
			ew32(LEDCTL, hw->ledctl_mode1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
			return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
	ew32(CTRL, ctrl);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
 * e1000_clear_hw_cntrs - Clears all hardware statistics counters.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
static void e1000_clear_hw_cntrs(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
	volatile u32 temp __attribute__ ((unused));
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
	temp = er32(CRCERRS);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
	temp = er32(SYMERRS);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
	temp = er32(MPC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
	temp = er32(SCC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
	temp = er32(ECOL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
	temp = er32(MCC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
	temp = er32(LATECOL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
	temp = er32(COLC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
	temp = er32(DC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
	temp = er32(SEC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
	temp = er32(RLEC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
	temp = er32(XONRXC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
	temp = er32(XONTXC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
	temp = er32(XOFFRXC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
	temp = er32(XOFFTXC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
	temp = er32(FCRUC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
	temp = er32(PRC64);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
	temp = er32(PRC127);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
	temp = er32(PRC255);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
	temp = er32(PRC511);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
	temp = er32(PRC1023);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
	temp = er32(PRC1522);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
	temp = er32(GPRC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
	temp = er32(BPRC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
	temp = er32(MPRC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
	temp = er32(GPTC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
	temp = er32(GORCL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
	temp = er32(GORCH);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
	temp = er32(GOTCL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
	temp = er32(GOTCH);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
	temp = er32(RNBC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
	temp = er32(RUC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
	temp = er32(RFC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
	temp = er32(ROC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
	temp = er32(RJC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
	temp = er32(TORL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
	temp = er32(TORH);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
	temp = er32(TOTL);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
	temp = er32(TOTH);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
	temp = er32(TPR);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
	temp = er32(TPT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
	temp = er32(PTC64);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
	temp = er32(PTC127);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
	temp = er32(PTC255);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
	temp = er32(PTC511);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
	temp = er32(PTC1023);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
	temp = er32(PTC1522);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
	temp = er32(MPTC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
	temp = er32(BPTC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
	if (hw->mac_type < e1000_82543)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
	temp = er32(ALGNERRC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
	temp = er32(RXERRC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
	temp = er32(TNCRS);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
	temp = er32(CEXTERR);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
	temp = er32(TSCTC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
	temp = er32(TSCTFC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
	if (hw->mac_type <= e1000_82544)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
		return;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
	temp = er32(MGTPRC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
	temp = er32(MGTPDC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
	temp = er32(MGTPTC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
 * e1000_reset_adaptive - Resets Adaptive IFS to its default state.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
 * Call this after e1000_init_hw. You may override the IFS defaults by setting
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
 * hw->ifs_params_forced to true. However, you must initialize hw->
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
 * current_ifs_val, ifs_min_val, ifs_max_val, ifs_step_size, and ifs_ratio
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
 * before calling this function.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
void e1000_reset_adaptive(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
	e_dbg("e1000_reset_adaptive");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
	if (hw->adaptive_ifs) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
		if (!hw->ifs_params_forced) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
			hw->current_ifs_val = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
			hw->ifs_min_val = IFS_MIN;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
			hw->ifs_max_val = IFS_MAX;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
			hw->ifs_step_size = IFS_STEP;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
			hw->ifs_ratio = IFS_RATIO;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
		hw->in_ifs_mode = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
		ew32(AIT, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
		e_dbg("Not in Adaptive IFS mode!\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
 * e1000_update_adaptive - update adaptive IFS
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
 * @tx_packets: Number of transmits since last callback
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
 * @total_collisions: Number of collisions since last callback
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
 * Called during the callback/watchdog routine to update IFS value based on
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
 * the ratio of transmits to collisions.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
void e1000_update_adaptive(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
	e_dbg("e1000_update_adaptive");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
	if (hw->adaptive_ifs) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
		if ((hw->collision_delta *hw->ifs_ratio) > hw->tx_packet_delta) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
			if (hw->tx_packet_delta > MIN_NUM_XMITS) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
				hw->in_ifs_mode = true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
				if (hw->current_ifs_val < hw->ifs_max_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
					if (hw->current_ifs_val == 0)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
						hw->current_ifs_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
						    hw->ifs_min_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
					else
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
						hw->current_ifs_val +=
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
						    hw->ifs_step_size;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
					ew32(AIT, hw->current_ifs_val);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
				}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
			if (hw->in_ifs_mode
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
			    && (hw->tx_packet_delta <= MIN_NUM_XMITS)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
				hw->current_ifs_val = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
				hw->in_ifs_mode = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
				ew32(AIT, 0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
		e_dbg("Not in Adaptive IFS mode!\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
 * e1000_tbi_adjust_stats
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
 * @frame_len: The length of the frame in question
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
 * @mac_addr: The Ethernet destination address of the frame in question
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
 * Adjusts the statistic counters when a frame is accepted by TBI_ACCEPT
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
void e1000_tbi_adjust_stats(struct e1000_hw *hw, struct e1000_hw_stats *stats,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
			    u32 frame_len, u8 *mac_addr)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
	u64 carry_bit;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
	/* First adjust the frame length. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
	frame_len--;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
	/* We need to adjust the statistics counters, since the hardware
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
	 * counters overcount this packet as a CRC error and undercount
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
	 * the packet as a good packet
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
	/* This packet should not be counted as a CRC error. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
	stats->crcerrs--;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
	/* This packet does count as a Good Packet Received. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
	stats->gprc++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
	/* Adjust the Good Octets received counters */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
	carry_bit = 0x80000000 & stats->gorcl;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
	stats->gorcl += frame_len;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
	/* If the high bit of Gorcl (the low 32 bits of the Good Octets
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
	 * Received Count) was one before the addition,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
	 * AND it is zero after, then we lost the carry out,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
	 * need to add one to Gorch (Good Octets Received Count High).
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
	 * This could be simplified if all environments supported
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
	 * 64-bit integers.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
	if (carry_bit && ((stats->gorcl & 0x80000000) == 0))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
		stats->gorch++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
	/* Is this a broadcast or multicast?  Check broadcast first,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
	 * since the test for a multicast frame will test positive on
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
	 * a broadcast frame.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
	if ((mac_addr[0] == (u8) 0xff) && (mac_addr[1] == (u8) 0xff))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
		/* Broadcast packet */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
		stats->bprc++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
	else if (*mac_addr & 0x01)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
		/* Multicast packet */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
		stats->mprc++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
	if (frame_len == hw->max_frame_size) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
		/* In this case, the hardware has overcounted the number of
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
		 * oversize frames.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
		if (stats->roc > 0)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
			stats->roc--;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
	/* Adjust the bin counters when the extra byte put the frame in the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
	 * wrong bin. Remember that the frame_len was adjusted above.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
	if (frame_len == 64) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
		stats->prc64++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
		stats->prc127--;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
	} else if (frame_len == 127) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
		stats->prc127++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
		stats->prc255--;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
	} else if (frame_len == 255) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
		stats->prc255++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
		stats->prc511--;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
	} else if (frame_len == 511) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
		stats->prc511++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
		stats->prc1023--;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
	} else if (frame_len == 1023) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
		stats->prc1023++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
		stats->prc1522--;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
	} else if (frame_len == 1522) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
		stats->prc1522++;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
 * e1000_get_bus_info
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
 * Gets the current PCI bus type, speed, and width of the hardware
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
void e1000_get_bus_info(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
	u32 status;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
	switch (hw->mac_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
	case e1000_82542_rev2_0:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
	case e1000_82542_rev2_1:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
		hw->bus_type = e1000_bus_type_pci;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
		hw->bus_speed = e1000_bus_speed_unknown;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
		hw->bus_width = e1000_bus_width_unknown;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
		status = er32(STATUS);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
		hw->bus_type = (status & E1000_STATUS_PCIX_MODE) ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
		    e1000_bus_type_pcix : e1000_bus_type_pci;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
		if (hw->device_id == E1000_DEV_ID_82546EB_QUAD_COPPER) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
			hw->bus_speed = (hw->bus_type == e1000_bus_type_pci) ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
			    e1000_bus_speed_66 : e1000_bus_speed_120;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
		} else if (hw->bus_type == e1000_bus_type_pci) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
			hw->bus_speed = (status & E1000_STATUS_PCI66) ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
			    e1000_bus_speed_66 : e1000_bus_speed_33;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
			switch (status & E1000_STATUS_PCIX_SPEED) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
			case E1000_STATUS_PCIX_SPEED_66:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
				hw->bus_speed = e1000_bus_speed_66;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
				break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
			case E1000_STATUS_PCIX_SPEED_100:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
				hw->bus_speed = e1000_bus_speed_100;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
				break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
			case E1000_STATUS_PCIX_SPEED_133:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
				hw->bus_speed = e1000_bus_speed_133;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
				break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
			default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
				hw->bus_speed = e1000_bus_speed_reserved;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
				break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
		hw->bus_width = (status & E1000_STATUS_BUS64) ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
		    e1000_bus_width_64 : e1000_bus_width_32;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
 * e1000_write_reg_io
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
 * @offset: offset to write to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
 * @value: value to write
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
 * Writes a value to one of the devices registers using port I/O (as opposed to
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
 * memory mapped I/O). Only 82544 and newer devices support port I/O.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
static void e1000_write_reg_io(struct e1000_hw *hw, u32 offset, u32 value)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
	unsigned long io_addr = hw->io_base;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
	unsigned long io_data = hw->io_base + 4;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
	e1000_io_write(hw, io_addr, offset);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
	e1000_io_write(hw, io_data, value);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
 * e1000_get_cable_length - Estimates the cable length.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
 * @min_length: The estimated minimum length
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
 * @max_length: The estimated maximum length
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
 * returns: - E1000_ERR_XXX
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
 *            E1000_SUCCESS
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
 * This function always returns a ranged length (minimum & maximum).
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
 * So for M88 phy's, this function interprets the one value returned from the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
 * register to the minimum and maximum range.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
 * For IGP phy's, the function calculates the range by the AGC registers.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
static s32 e1000_get_cable_length(struct e1000_hw *hw, u16 *min_length,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
				  u16 *max_length)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
	u16 agc_value = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
	u16 i, phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
	u16 cable_length;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
	e_dbg("e1000_get_cable_length");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
	*min_length = *max_length = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
	/* Use old method for Phy older than IGP */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
	if (hw->phy_type == e1000_phy_m88) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
		ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
					     &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
		cable_length = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
		    M88E1000_PSSR_CABLE_LENGTH_SHIFT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
		/* Convert the enum value to ranged values */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
		switch (cable_length) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
		case e1000_cable_length_50:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
			*min_length = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
			*max_length = e1000_igp_cable_length_50;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
		case e1000_cable_length_50_80:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
			*min_length = e1000_igp_cable_length_50;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
			*max_length = e1000_igp_cable_length_80;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
		case e1000_cable_length_80_110:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
			*min_length = e1000_igp_cable_length_80;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
			*max_length = e1000_igp_cable_length_110;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
		case e1000_cable_length_110_140:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
			*min_length = e1000_igp_cable_length_110;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
			*max_length = e1000_igp_cable_length_140;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
		case e1000_cable_length_140:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
			*min_length = e1000_igp_cable_length_140;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
			*max_length = e1000_igp_cable_length_170;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
		default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
			return -E1000_ERR_PHY;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
	} else if (hw->phy_type == e1000_phy_igp) {	/* For IGP PHY */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
		u16 cur_agc_value;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
		u16 min_agc_value = IGP01E1000_AGC_LENGTH_TABLE_SIZE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
		static const u16 agc_reg_array[IGP01E1000_PHY_CHANNEL_NUM] = {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
		       IGP01E1000_PHY_AGC_A,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
		       IGP01E1000_PHY_AGC_B,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
		       IGP01E1000_PHY_AGC_C,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
		       IGP01E1000_PHY_AGC_D
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
		};
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
		/* Read the AGC registers for all channels */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
		for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
			    e1000_read_phy_reg(hw, agc_reg_array[i], &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
			cur_agc_value = phy_data >> IGP01E1000_AGC_LENGTH_SHIFT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
			/* Value bound check. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
			if ((cur_agc_value >=
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
			     IGP01E1000_AGC_LENGTH_TABLE_SIZE - 1)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
			    || (cur_agc_value == 0))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
				return -E1000_ERR_PHY;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
			agc_value += cur_agc_value;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
			/* Update minimal AGC value. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
			if (min_agc_value > cur_agc_value)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
				min_agc_value = cur_agc_value;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
		/* Remove the minimal AGC result for length < 50m */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
		if (agc_value <
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
		    IGP01E1000_PHY_CHANNEL_NUM * e1000_igp_cable_length_50) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
			agc_value -= min_agc_value;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
			/* Get the average length of the remaining 3 channels */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
			agc_value /= (IGP01E1000_PHY_CHANNEL_NUM - 1);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
			/* Get the average length of all the 4 channels. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
			agc_value /= IGP01E1000_PHY_CHANNEL_NUM;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
		/* Set the range of the calculated length. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
		*min_length = ((e1000_igp_cable_length_table[agc_value] -
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
				IGP01E1000_AGC_RANGE) > 0) ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
		    (e1000_igp_cable_length_table[agc_value] -
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
		     IGP01E1000_AGC_RANGE) : 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
		*max_length = e1000_igp_cable_length_table[agc_value] +
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
		    IGP01E1000_AGC_RANGE;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
 * e1000_check_polarity - Check the cable polarity
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
 * @polarity: output parameter : 0 - Polarity is not reversed
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
 *                               1 - Polarity is reversed.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
 * returns: - E1000_ERR_XXX
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
 *            E1000_SUCCESS
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
 * For phy's older than IGP, this function simply reads the polarity bit in the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
 * Phy Status register.  For IGP phy's, this bit is valid only if link speed is
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
 * 10 Mbps.  If the link speed is 100 Mbps there is no polarity so this bit will
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
 * return 0.  If the link speed is 1000 Mbps the polarity status is in the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
 * IGP01E1000_PHY_PCS_INIT_REG.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
static s32 e1000_check_polarity(struct e1000_hw *hw,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
				e1000_rev_polarity *polarity)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
	u16 phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
	e_dbg("e1000_check_polarity");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
	if (hw->phy_type == e1000_phy_m88) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
		/* return the Polarity bit in the Status register. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
		ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
					     &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
		*polarity = ((phy_data & M88E1000_PSSR_REV_POLARITY) >>
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
			     M88E1000_PSSR_REV_POLARITY_SHIFT) ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
		    e1000_rev_polarity_reversed : e1000_rev_polarity_normal;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
	} else if (hw->phy_type == e1000_phy_igp) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
		/* Read the Status register to check the speed */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
		ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
					     &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
		/* If speed is 1000 Mbps, must read the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
		 * IGP01E1000_PHY_PCS_INIT_REG to find the polarity status
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
		if ((phy_data & IGP01E1000_PSSR_SPEED_MASK) ==
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
		    IGP01E1000_PSSR_SPEED_1000MBPS) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
			/* Read the GIG initialization PCS register (0x00B4) */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
			    e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
					       &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
			/* Check the polarity bits */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
			*polarity = (phy_data & IGP01E1000_PHY_POLARITY_MASK) ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
			    e1000_rev_polarity_reversed :
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
			    e1000_rev_polarity_normal;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
		} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
			/* For 10 Mbps, read the polarity bit in the status
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
			 * register. (for 100 Mbps this bit is always 0)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
			*polarity =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
			    (phy_data & IGP01E1000_PSSR_POLARITY_REVERSED) ?
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
			    e1000_rev_polarity_reversed :
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
			    e1000_rev_polarity_normal;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
 * e1000_check_downshift - Check if Downshift occurred
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
 * @downshift: output parameter : 0 - No Downshift occurred.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
 *                                1 - Downshift occurred.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
 * returns: - E1000_ERR_XXX
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
 *            E1000_SUCCESS
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
 * For phy's older than IGP, this function reads the Downshift bit in the Phy
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
 * Specific Status register.  For IGP phy's, it reads the Downgrade bit in the
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
 * Link Health register.  In IGP this bit is latched high, so the driver must
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
 * read it immediately after link is established.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
static s32 e1000_check_downshift(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
	u16 phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
	e_dbg("e1000_check_downshift");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
	if (hw->phy_type == e1000_phy_igp) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
		ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_LINK_HEALTH,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
					     &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
		hw->speed_downgraded =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
		    (phy_data & IGP01E1000_PLHR_SS_DOWNGRADE) ? 1 : 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
	} else if (hw->phy_type == e1000_phy_m88) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
		ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
					     &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
		hw->speed_downgraded = (phy_data & M88E1000_PSSR_DOWNSHIFT) >>
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
		    M88E1000_PSSR_DOWNSHIFT_SHIFT;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
static const u16 dsp_reg_array[IGP01E1000_PHY_CHANNEL_NUM] = {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
	IGP01E1000_PHY_AGC_PARAM_A,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
	IGP01E1000_PHY_AGC_PARAM_B,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
	IGP01E1000_PHY_AGC_PARAM_C,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
	IGP01E1000_PHY_AGC_PARAM_D
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
};
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
static s32 e1000_1000Mb_check_cable_length(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
	u16 min_length, max_length;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
	u16 phy_data, i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
	ret_val = e1000_get_cable_length(hw, &min_length, &max_length);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
	if (hw->dsp_config_state != e1000_dsp_config_enabled)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
		return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
	if (min_length >= e1000_igp_cable_length_50) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
		for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
			ret_val = e1000_read_phy_reg(hw, dsp_reg_array[i],
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
						     &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
			phy_data &= ~IGP01E1000_PHY_EDAC_MU_INDEX;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
			ret_val = e1000_write_phy_reg(hw, dsp_reg_array[i],
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
						      phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
		hw->dsp_config_state = e1000_dsp_config_activated;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
		u16 ffe_idle_err_timeout = FFE_IDLE_ERR_COUNT_TIMEOUT_20;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
		u32 idle_errs = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
		/* clear previous idle error counts */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
		ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
		for (i = 0; i < ffe_idle_err_timeout; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
			udelay(1000);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
			ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
						     &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
			idle_errs += (phy_data & SR_1000T_IDLE_ERROR_CNT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
			if (idle_errs > SR_1000T_PHY_EXCESSIVE_IDLE_ERR_COUNT) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
				hw->ffe_config_state = e1000_ffe_config_active;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
				ret_val = e1000_write_phy_reg(hw,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
					      IGP01E1000_PHY_DSP_FFE,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
					      IGP01E1000_PHY_DSP_FFE_CM_CP);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
				if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
					return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
				break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5388
			if (idle_errs)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5389
				ffe_idle_err_timeout =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5390
					    FFE_IDLE_ERR_COUNT_TIMEOUT_100;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5391
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5392
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5393
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5394
	return 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5395
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5396
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5397
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5398
 * e1000_config_dsp_after_link_change
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5399
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5400
 * @link_up: was link up at the time this was called
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5401
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5402
 * returns: - E1000_ERR_PHY if fail to read/write the PHY
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5403
 *            E1000_SUCCESS at any other case.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5404
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5405
 * 82541_rev_2 & 82547_rev_2 have the capability to configure the DSP when a
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5406
 * gigabit link is achieved to improve link quality.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5407
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5408
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5409
static s32 e1000_config_dsp_after_link_change(struct e1000_hw *hw, bool link_up)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5410
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5411
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5412
	u16 phy_data, phy_saved_data, speed, duplex, i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5413
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5414
	e_dbg("e1000_config_dsp_after_link_change");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5415
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5416
	if (hw->phy_type != e1000_phy_igp)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5417
		return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5418
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5419
	if (link_up) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5420
		ret_val = e1000_get_speed_and_duplex(hw, &speed, &duplex);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5421
		if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5422
			e_dbg("Error getting link speed and duplex\n");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5423
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5424
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5425
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5426
		if (speed == SPEED_1000) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5427
			ret_val = e1000_1000Mb_check_cable_length(hw);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5428
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5429
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5430
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5431
	} else {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5432
		if (hw->dsp_config_state == e1000_dsp_config_activated) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5433
			/* Save off the current value of register 0x2F5B to be
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5434
			 * restored at the end of the routines.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5435
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5436
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5437
			    e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5438
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5439
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5440
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5441
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5442
			/* Disable the PHY transmitter */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5443
			ret_val = e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5444
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5445
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5446
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5447
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5448
			msleep(20);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5449
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5450
			ret_val = e1000_write_phy_reg(hw, 0x0000,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5451
						    IGP01E1000_IEEE_FORCE_GIGA);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5452
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5453
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5454
			for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5455
				ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5456
				    e1000_read_phy_reg(hw, dsp_reg_array[i],
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5457
						       &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5458
				if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5459
					return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5460
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5461
				phy_data &= ~IGP01E1000_PHY_EDAC_MU_INDEX;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5462
				phy_data |= IGP01E1000_PHY_EDAC_SIGN_EXT_9_BITS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5463
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5464
				ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5465
				    e1000_write_phy_reg(hw, dsp_reg_array[i],
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5466
							phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5467
				if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5468
					return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5469
			}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5470
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5471
			ret_val = e1000_write_phy_reg(hw, 0x0000,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5472
					IGP01E1000_IEEE_RESTART_AUTONEG);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5473
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5474
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5475
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5476
			msleep(20);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5477
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5478
			/* Now enable the transmitter */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5479
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5480
			    e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5481
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5482
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5483
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5484
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5485
			hw->dsp_config_state = e1000_dsp_config_enabled;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5486
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5487
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5488
		if (hw->ffe_config_state == e1000_ffe_config_active) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5489
			/* Save off the current value of register 0x2F5B to be
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5490
			 * restored at the end of the routines.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5491
			 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5492
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5493
			    e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5494
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5495
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5496
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5497
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5498
			/* Disable the PHY transmitter */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5499
			ret_val = e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5500
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5501
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5502
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5503
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5504
			msleep(20);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5505
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5506
			ret_val = e1000_write_phy_reg(hw, 0x0000,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5507
						    IGP01E1000_IEEE_FORCE_GIGA);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5508
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5509
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5510
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5511
			    e1000_write_phy_reg(hw, IGP01E1000_PHY_DSP_FFE,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5512
						IGP01E1000_PHY_DSP_FFE_DEFAULT);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5513
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5514
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5515
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5516
			ret_val = e1000_write_phy_reg(hw, 0x0000,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5517
					IGP01E1000_IEEE_RESTART_AUTONEG);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5518
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5519
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5520
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5521
			msleep(20);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5522
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5523
			/* Now enable the transmitter */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5524
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5525
			    e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5526
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5527
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5528
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5529
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5530
			hw->ffe_config_state = e1000_ffe_config_enabled;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5531
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5532
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5533
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5534
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5535
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5536
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5537
 * e1000_set_phy_mode - Set PHY to class A mode
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5538
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5539
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5540
 * Assumes the following operations will follow to enable the new class mode.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5541
 *  1. Do a PHY soft reset
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5542
 *  2. Restart auto-negotiation or force link.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5543
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5544
static s32 e1000_set_phy_mode(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5545
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5546
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5547
	u16 eeprom_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5548
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5549
	e_dbg("e1000_set_phy_mode");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5550
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5551
	if ((hw->mac_type == e1000_82545_rev_3) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5552
	    (hw->media_type == e1000_media_type_copper)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5553
		ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5554
		    e1000_read_eeprom(hw, EEPROM_PHY_CLASS_WORD, 1,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5555
				      &eeprom_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5556
		if (ret_val) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5557
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5558
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5559
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5560
		if ((eeprom_data != EEPROM_RESERVED_WORD) &&
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5561
		    (eeprom_data & EEPROM_PHY_CLASS_A)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5562
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5563
			    e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5564
						0x000B);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5565
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5566
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5567
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5568
			    e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5569
						0x8104);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5570
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5571
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5572
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5573
			hw->phy_reset_disable = false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5574
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5575
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5576
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5577
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5578
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5579
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5580
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5581
 * e1000_set_d3_lplu_state - set d3 link power state
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5582
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5583
 * @active: true to enable lplu false to disable lplu.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5584
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5585
 * This function sets the lplu state according to the active flag.  When
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5586
 * activating lplu this function also disables smart speed and vise versa.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5587
 * lplu will not be activated unless the device autonegotiation advertisement
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5588
 * meets standards of either 10 or 10/100 or 10/100/1000 at all duplexes.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5589
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5590
 * returns: - E1000_ERR_PHY if fail to read/write the PHY
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5591
 *            E1000_SUCCESS at any other case.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5592
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5593
static s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5594
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5595
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5596
	u16 phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5597
	e_dbg("e1000_set_d3_lplu_state");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5598
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5599
	if (hw->phy_type != e1000_phy_igp)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5600
		return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5601
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5602
	/* During driver activity LPLU should not be used or it will attain link
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5603
	 * from the lowest speeds starting from 10Mbps. The capability is used
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5604
	 * for Dx transitions and states
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5605
	 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5606
	if (hw->mac_type == e1000_82541_rev_2
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5607
	    || hw->mac_type == e1000_82547_rev_2) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5608
		ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5609
		    e1000_read_phy_reg(hw, IGP01E1000_GMII_FIFO, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5610
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5611
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5612
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5613
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5614
	if (!active) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5615
		if (hw->mac_type == e1000_82541_rev_2 ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5616
		    hw->mac_type == e1000_82547_rev_2) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5617
			phy_data &= ~IGP01E1000_GMII_FLEX_SPD;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5618
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5619
			    e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5620
						phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5621
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5622
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5623
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5624
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5625
		/* LPLU and SmartSpeed are mutually exclusive.  LPLU is used
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5626
		 * during Dx states where the power conservation is most
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5627
		 * important.  During driver activity we should enable
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5628
		 * SmartSpeed, so performance is maintained.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5629
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5630
		if (hw->smart_speed == e1000_smart_speed_on) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5631
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5632
			    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5633
					       &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5634
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5635
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5636
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5637
			phy_data |= IGP01E1000_PSCFR_SMART_SPEED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5638
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5639
			    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5640
						phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5641
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5642
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5643
		} else if (hw->smart_speed == e1000_smart_speed_off) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5644
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5645
			    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5646
					       &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5647
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5648
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5649
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5650
			phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5651
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5652
			    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5653
						phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5654
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5655
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5656
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5657
	} else if ((hw->autoneg_advertised == AUTONEG_ADVERTISE_SPEED_DEFAULT)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5658
		   || (hw->autoneg_advertised == AUTONEG_ADVERTISE_10_ALL)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5659
		   || (hw->autoneg_advertised ==
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5660
		       AUTONEG_ADVERTISE_10_100_ALL)) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5661
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5662
		if (hw->mac_type == e1000_82541_rev_2 ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5663
		    hw->mac_type == e1000_82547_rev_2) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5664
			phy_data |= IGP01E1000_GMII_FLEX_SPD;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5665
			ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5666
			    e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5667
						phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5668
			if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5669
				return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5670
		}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5671
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5672
		/* When LPLU is enabled we should disable SmartSpeed */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5673
		ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5674
		    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5675
				       &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5676
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5677
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5678
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5679
		phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5680
		ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5681
		    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5682
					phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5683
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5684
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5685
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5686
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5687
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5688
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5689
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5690
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5691
 * e1000_set_vco_speed
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5692
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5693
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5694
 * Change VCO speed register to improve Bit Error Rate performance of SERDES.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5695
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5696
static s32 e1000_set_vco_speed(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5697
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5698
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5699
	u16 default_page = 0;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5700
	u16 phy_data;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5701
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5702
	e_dbg("e1000_set_vco_speed");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5703
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5704
	switch (hw->mac_type) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5705
	case e1000_82545_rev_3:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5706
	case e1000_82546_rev_3:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5707
		break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5708
	default:
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5709
		return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5710
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5711
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5712
	/* Set PHY register 30, page 5, bit 8 to 0 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5713
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5714
	ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5715
	    e1000_read_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, &default_page);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5716
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5717
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5718
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5719
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0005);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5720
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5721
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5722
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5723
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5724
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5725
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5726
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5727
	phy_data &= ~M88E1000_PHY_VCO_REG_BIT8;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5728
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5729
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5730
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5731
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5732
	/* Set PHY register 30, page 4, bit 11 to 1 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5733
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5734
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0004);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5735
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5736
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5737
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5738
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, &phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5739
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5740
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5741
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5742
	phy_data |= M88E1000_PHY_VCO_REG_BIT11;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5743
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, phy_data);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5744
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5745
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5746
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5747
	ret_val =
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5748
	    e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, default_page);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5749
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5750
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5751
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5752
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5753
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5754
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5755
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5756
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5757
 * e1000_enable_mng_pass_thru - check for bmc pass through
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5758
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5759
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5760
 * Verifies the hardware needs to allow ARPs to be processed by the host
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5761
 * returns: - true/false
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5762
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5763
u32 e1000_enable_mng_pass_thru(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5764
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5765
	u32 manc;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5766
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5767
	if (hw->asf_firmware_present) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5768
		manc = er32(MANC);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5769
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5770
		if (!(manc & E1000_MANC_RCV_TCO_EN) ||
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5771
		    !(manc & E1000_MANC_EN_MAC_ADDR_FILTER))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5772
			return false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5773
		if ((manc & E1000_MANC_SMBUS_EN) && !(manc & E1000_MANC_ASF_EN))
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5774
			return true;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5775
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5776
	return false;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5777
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5778
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5779
static s32 e1000_polarity_reversal_workaround(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5780
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5781
	s32 ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5782
	u16 mii_status_reg;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5783
	u16 i;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5784
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5785
	/* Polarity reversal workaround for forced 10F/10H links. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5786
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5787
	/* Disable the transmitter on the PHY */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5788
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5789
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0019);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5790
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5791
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5792
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFFFF);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5793
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5794
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5795
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5796
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0000);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5797
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5798
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5799
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5800
	/* This loop will early-out if the NO link condition has been met. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5801
	for (i = PHY_FORCE_TIME; i > 0; i--) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5802
		/* Read the MII Status Register and wait for Link Status bit
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5803
		 * to be clear.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5804
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5805
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5806
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5807
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5808
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5809
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5810
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5811
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5812
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5813
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5814
		if ((mii_status_reg & ~MII_SR_LINK_STATUS) == 0)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5815
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5816
		msleep(100);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5817
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5818
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5819
	/* Recommended delay time after link has been lost */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5820
	msleep(1000);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5821
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5822
	/* Now we will re-enable th transmitter on the PHY */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5823
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5824
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0019);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5825
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5826
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5827
	msleep(50);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5828
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFFF0);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5829
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5830
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5831
	msleep(50);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5832
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFF00);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5833
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5834
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5835
	msleep(50);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5836
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0x0000);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5837
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5838
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5839
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5840
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0000);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5841
	if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5842
		return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5843
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5844
	/* This loop will early-out if the link condition has been met. */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5845
	for (i = PHY_FORCE_TIME; i > 0; i--) {
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5846
		/* Read the MII Status Register and wait for Link Status bit
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5847
		 * to be set.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5848
		 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5849
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5850
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5851
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5852
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5853
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5854
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5855
		if (ret_val)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5856
			return ret_val;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5857
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5858
		if (mii_status_reg & MII_SR_LINK_STATUS)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5859
			break;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5860
		msleep(100);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5861
	}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5862
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5863
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5864
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5865
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5866
 * e1000_get_auto_rd_done
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5867
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5868
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5869
 * Check for EEPROM Auto Read bit done.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5870
 * returns: - E1000_ERR_RESET if fail to reset MAC
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5871
 *            E1000_SUCCESS at any other case.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5872
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5873
static s32 e1000_get_auto_rd_done(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5874
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5875
	e_dbg("e1000_get_auto_rd_done");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5876
	msleep(5);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5877
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5878
}
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5879
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5880
/**
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5881
 * e1000_get_phy_cfg_done
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5882
 * @hw: Struct containing variables accessed by shared code
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5883
 *
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5884
 * Checks if the PHY configuration is done
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5885
 * returns: - E1000_ERR_RESET if fail to reset MAC
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5886
 *            E1000_SUCCESS at any other case.
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5887
 */
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5888
static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw)
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5889
{
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5890
	e_dbg("e1000_get_phy_cfg_done");
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5891
	msleep(10);
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5892
	return E1000_SUCCESS;
5b89b4e38cdc Added all drivers for kernel 3.12.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5893
}