devices/e1000/e1000_hw-3.8-orig.c
author Florian Pose <fp@igh-essen.com>
Fri, 16 Sep 2016 11:57:01 +0200
branchstable-1.5
changeset 2657 bb2163e6b145
parent 2584 0e3d989ff233
permissions -rw-r--r--
merge
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2006 Intel Corporation.
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  This program is free software; you can redistribute it and/or modify it
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  under the terms and conditions of the GNU General Public License,
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  version 2, as published by the Free Software Foundation.
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  This program is distributed in the hope it will be useful, but WITHOUT
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  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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  more details.
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  You should have received a copy of the GNU General Public License along with
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  this program; if not, write to the Free Software Foundation, Inc.,
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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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  The full GNU General Public License is included in this distribution in
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  the file called "COPYING".
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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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 */
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/* e1000_hw.c
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 * Shared functions for accessing and configuring the MAC
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 */
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#include "e1000.h"
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static s32 e1000_check_downshift(struct e1000_hw *hw);
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static s32 e1000_check_polarity(struct e1000_hw *hw,
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				e1000_rev_polarity *polarity);
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static void e1000_clear_hw_cntrs(struct e1000_hw *hw);
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static void e1000_clear_vfta(struct e1000_hw *hw);
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static s32 e1000_config_dsp_after_link_change(struct e1000_hw *hw,
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					      bool link_up);
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static s32 e1000_config_fc_after_link_up(struct e1000_hw *hw);
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static s32 e1000_detect_gig_phy(struct e1000_hw *hw);
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static s32 e1000_get_auto_rd_done(struct e1000_hw *hw);
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static s32 e1000_get_cable_length(struct e1000_hw *hw, u16 *min_length,
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				  u16 *max_length);
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static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw);
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static s32 e1000_id_led_init(struct e1000_hw *hw);
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static void e1000_init_rx_addrs(struct e1000_hw *hw);
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static s32 e1000_phy_igp_get_info(struct e1000_hw *hw,
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				  struct e1000_phy_info *phy_info);
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static s32 e1000_phy_m88_get_info(struct e1000_hw *hw,
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				  struct e1000_phy_info *phy_info);
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static s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active);
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static s32 e1000_wait_autoneg(struct e1000_hw *hw);
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static void e1000_write_reg_io(struct e1000_hw *hw, u32 offset, u32 value);
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static s32 e1000_set_phy_type(struct e1000_hw *hw);
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static void e1000_phy_init_script(struct e1000_hw *hw);
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static s32 e1000_setup_copper_link(struct e1000_hw *hw);
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static s32 e1000_setup_fiber_serdes_link(struct e1000_hw *hw);
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static s32 e1000_adjust_serdes_amplitude(struct e1000_hw *hw);
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static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw);
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static s32 e1000_config_mac_to_phy(struct e1000_hw *hw);
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static void e1000_raise_mdi_clk(struct e1000_hw *hw, u32 *ctrl);
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static void e1000_lower_mdi_clk(struct e1000_hw *hw, u32 *ctrl);
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static void e1000_shift_out_mdi_bits(struct e1000_hw *hw, u32 data, u16 count);
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static u16 e1000_shift_in_mdi_bits(struct e1000_hw *hw);
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static s32 e1000_phy_reset_dsp(struct e1000_hw *hw);
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static s32 e1000_write_eeprom_spi(struct e1000_hw *hw, u16 offset,
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				  u16 words, u16 *data);
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static s32 e1000_write_eeprom_microwire(struct e1000_hw *hw, u16 offset,
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					u16 words, u16 *data);
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static s32 e1000_spi_eeprom_ready(struct e1000_hw *hw);
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static void e1000_raise_ee_clk(struct e1000_hw *hw, u32 *eecd);
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static void e1000_lower_ee_clk(struct e1000_hw *hw, u32 *eecd);
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static void e1000_shift_out_ee_bits(struct e1000_hw *hw, u16 data, u16 count);
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static s32 e1000_write_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
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				  u16 phy_data);
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static s32 e1000_read_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
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				 u16 *phy_data);
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static u16 e1000_shift_in_ee_bits(struct e1000_hw *hw, u16 count);
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static s32 e1000_acquire_eeprom(struct e1000_hw *hw);
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static void e1000_release_eeprom(struct e1000_hw *hw);
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static void e1000_standby_eeprom(struct e1000_hw *hw);
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static s32 e1000_set_vco_speed(struct e1000_hw *hw);
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static s32 e1000_polarity_reversal_workaround(struct e1000_hw *hw);
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static s32 e1000_set_phy_mode(struct e1000_hw *hw);
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static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
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				u16 *data);
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static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
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				 u16 *data);
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/* IGP cable length table */
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static const
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u16 e1000_igp_cable_length_table[IGP01E1000_AGC_LENGTH_TABLE_SIZE] = {
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	5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
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	5, 10, 10, 10, 10, 10, 10, 10, 20, 20, 20, 20, 20, 25, 25, 25,
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	25, 25, 25, 25, 30, 30, 30, 30, 40, 40, 40, 40, 40, 40, 40, 40,
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	40, 50, 50, 50, 50, 50, 50, 50, 60, 60, 60, 60, 60, 60, 60, 60,
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	60, 70, 70, 70, 70, 70, 70, 80, 80, 80, 80, 80, 80, 90, 90, 90,
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	90, 90, 90, 90, 90, 90, 100, 100, 100, 100, 100, 100, 100, 100, 100,
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	    100,
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	100, 100, 100, 100, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110,
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	    110, 110,
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	110, 110, 110, 110, 110, 110, 120, 120, 120, 120, 120, 120, 120, 120,
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	    120, 120
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};
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static DEFINE_SPINLOCK(e1000_eeprom_lock);
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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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	case M88E1000_I_PHY_ID:
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	case M88E1011_I_PHY_ID:
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	case M88E1111_I_PHY_ID:
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	case M88E1118_E_PHY_ID:
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		hw->phy_type = e1000_phy_m88;
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		break;
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   131
	case IGP01E1000_I_PHY_ID:
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		if (hw->mac_type == e1000_82541 ||
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		    hw->mac_type == e1000_82541_rev_2 ||
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   134
		    hw->mac_type == e1000_82547 ||
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		    hw->mac_type == e1000_82547_rev_2)
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   136
			hw->phy_type = e1000_phy_igp;
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		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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		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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		/* Should never have loaded on this device */
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		hw->phy_type = e1000_phy_undefined;
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		return -E1000_ERR_PHY_TYPE;
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   148
	}
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   149
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	return E1000_SUCCESS;
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   151
}
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   152
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/**
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 * 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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 */
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   157
static void e1000_phy_init_script(struct e1000_hw *hw)
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{
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   159
	u32 ret_val;
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   160
	u16 phy_saved_data;
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   161
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   162
	e_dbg("e1000_phy_init_script");
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   163
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   164
	if (hw->phy_init_script) {
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   165
		msleep(20);
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   166
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   167
		/* Save off the current value of register 0x2F5B to be restored at
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   168
		 * the end of this routine. */
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   169
		ret_val = e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
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   170
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   171
		/* Disabled the PHY transmitter */
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		e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
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   173
		msleep(20);
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   174
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   175
		e1000_write_phy_reg(hw, 0x0000, 0x0140);
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   176
		msleep(5);
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   177
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   178
		switch (hw->mac_type) {
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   179
		case e1000_82541:
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   180
		case e1000_82547:
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   181
			e1000_write_phy_reg(hw, 0x1F95, 0x0001);
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   182
			e1000_write_phy_reg(hw, 0x1F71, 0xBD21);
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   183
			e1000_write_phy_reg(hw, 0x1F79, 0x0018);
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   184
			e1000_write_phy_reg(hw, 0x1F30, 0x1600);
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   185
			e1000_write_phy_reg(hw, 0x1F31, 0x0014);
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   186
			e1000_write_phy_reg(hw, 0x1F32, 0x161C);
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   187
			e1000_write_phy_reg(hw, 0x1F94, 0x0003);
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   188
			e1000_write_phy_reg(hw, 0x1F96, 0x003F);
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   189
			e1000_write_phy_reg(hw, 0x2010, 0x0008);
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   190
			break;
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diff changeset
   191
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   192
		case e1000_82541_rev_2:
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   193
		case e1000_82547_rev_2:
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   194
			e1000_write_phy_reg(hw, 0x1F73, 0x0099);
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   195
			break;
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   196
		default:
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   197
			break;
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   198
		}
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   199
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   200
		e1000_write_phy_reg(hw, 0x0000, 0x3300);
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   201
		msleep(20);
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diff changeset
   202
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   203
		/* Now enable the transmitter */
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   204
		e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
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   205
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   206
		if (hw->mac_type == e1000_82547) {
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   207
			u16 fused, fine, coarse;
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diff changeset
   208
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   209
			/* Move to analog registers page */
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   210
			e1000_read_phy_reg(hw,
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diff changeset
   211
					   IGP01E1000_ANALOG_SPARE_FUSE_STATUS,
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diff changeset
   212
					   &fused);
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diff changeset
   213
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   214
			if (!(fused & IGP01E1000_ANALOG_SPARE_FUSE_ENABLED)) {
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   215
				e1000_read_phy_reg(hw,
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   216
						   IGP01E1000_ANALOG_FUSE_STATUS,
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   217
						   &fused);
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diff changeset
   218
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   219
				fine = fused & IGP01E1000_ANALOG_FUSE_FINE_MASK;
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   220
				coarse =
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diff changeset
   221
				    fused & IGP01E1000_ANALOG_FUSE_COARSE_MASK;
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diff changeset
   222
0e3d989ff233 Added all drivers for kernel 3.8.
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diff changeset
   223
				if (coarse >
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diff changeset
   224
				    IGP01E1000_ANALOG_FUSE_COARSE_THRESH) {
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diff changeset
   225
					coarse -=
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diff changeset
   226
					    IGP01E1000_ANALOG_FUSE_COARSE_10;
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diff changeset
   227
					fine -= IGP01E1000_ANALOG_FUSE_FINE_1;
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parents:
diff changeset
   228
				} else if (coarse ==
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diff changeset
   229
					   IGP01E1000_ANALOG_FUSE_COARSE_THRESH)
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diff changeset
   230
					fine -= IGP01E1000_ANALOG_FUSE_FINE_10;
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parents:
diff changeset
   231
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diff changeset
   232
				fused =
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parents:
diff changeset
   233
				    (fused & IGP01E1000_ANALOG_FUSE_POLY_MASK) |
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diff changeset
   234
				    (fine & IGP01E1000_ANALOG_FUSE_FINE_MASK) |
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diff changeset
   235
				    (coarse &
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diff changeset
   236
				     IGP01E1000_ANALOG_FUSE_COARSE_MASK);
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parents:
diff changeset
   237
0e3d989ff233 Added all drivers for kernel 3.8.
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diff changeset
   238
				e1000_write_phy_reg(hw,
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diff changeset
   239
						    IGP01E1000_ANALOG_FUSE_CONTROL,
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diff changeset
   240
						    fused);
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diff changeset
   241
				e1000_write_phy_reg(hw,
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diff changeset
   242
						    IGP01E1000_ANALOG_FUSE_BYPASS,
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parents:
diff changeset
   243
						    IGP01E1000_ANALOG_FUSE_ENABLE_SW_CONTROL);
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diff changeset
   244
			}
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diff changeset
   245
		}
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diff changeset
   246
	}
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diff changeset
   247
}
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diff changeset
   248
0e3d989ff233 Added all drivers for kernel 3.8.
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diff changeset
   249
/**
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   250
 * e1000_set_mac_type - Set the mac type member in the hw struct.
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diff changeset
   251
 * @hw: Struct containing variables accessed by shared code
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diff changeset
   252
 */
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diff changeset
   253
s32 e1000_set_mac_type(struct e1000_hw *hw)
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diff changeset
   254
{
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diff changeset
   255
	e_dbg("e1000_set_mac_type");
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diff changeset
   256
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diff changeset
   257
	switch (hw->device_id) {
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diff changeset
   258
	case E1000_DEV_ID_82542:
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diff changeset
   259
		switch (hw->revision_id) {
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diff changeset
   260
		case E1000_82542_2_0_REV_ID:
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diff changeset
   261
			hw->mac_type = e1000_82542_rev2_0;
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diff changeset
   262
			break;
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diff changeset
   263
		case E1000_82542_2_1_REV_ID:
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diff changeset
   264
			hw->mac_type = e1000_82542_rev2_1;
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diff changeset
   265
			break;
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parents:
diff changeset
   266
		default:
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diff changeset
   267
			/* Invalid 82542 revision ID */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
			return -E1000_ERR_MAC_TYPE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
	case E1000_DEV_ID_82543GC_FIBER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
	case E1000_DEV_ID_82543GC_COPPER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
		hw->mac_type = e1000_82543;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
	case E1000_DEV_ID_82544EI_COPPER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
	case E1000_DEV_ID_82544EI_FIBER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
	case E1000_DEV_ID_82544GC_COPPER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
	case E1000_DEV_ID_82544GC_LOM:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
		hw->mac_type = e1000_82544;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
	case E1000_DEV_ID_82540EM:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
	case E1000_DEV_ID_82540EM_LOM:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
	case E1000_DEV_ID_82540EP:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
	case E1000_DEV_ID_82540EP_LOM:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
	case E1000_DEV_ID_82540EP_LP:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
		hw->mac_type = e1000_82540;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
	case E1000_DEV_ID_82545EM_COPPER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
	case E1000_DEV_ID_82545EM_FIBER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
		hw->mac_type = e1000_82545;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
	case E1000_DEV_ID_82545GM_COPPER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
	case E1000_DEV_ID_82545GM_FIBER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
	case E1000_DEV_ID_82545GM_SERDES:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
		hw->mac_type = e1000_82545_rev_3;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
	case E1000_DEV_ID_82546EB_COPPER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
	case E1000_DEV_ID_82546EB_FIBER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
		hw->mac_type = e1000_82546;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
	case E1000_DEV_ID_82546GB_COPPER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
	case E1000_DEV_ID_82546GB_FIBER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
	case E1000_DEV_ID_82546GB_SERDES:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
	case E1000_DEV_ID_82546GB_PCIE:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
	case E1000_DEV_ID_82546GB_QUAD_COPPER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
		hw->mac_type = e1000_82546_rev_3;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
	case E1000_DEV_ID_82541EI:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
	case E1000_DEV_ID_82541EI_MOBILE:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
	case E1000_DEV_ID_82541ER_LOM:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
		hw->mac_type = e1000_82541;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
	case E1000_DEV_ID_82541ER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
	case E1000_DEV_ID_82541GI:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
	case E1000_DEV_ID_82541GI_LF:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
	case E1000_DEV_ID_82541GI_MOBILE:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
		hw->mac_type = e1000_82541_rev_2;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
	case E1000_DEV_ID_82547EI:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
	case E1000_DEV_ID_82547EI_MOBILE:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
		hw->mac_type = e1000_82547;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
	case E1000_DEV_ID_82547GI:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
		hw->mac_type = e1000_82547_rev_2;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
	case E1000_DEV_ID_INTEL_CE4100_GBE:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
		hw->mac_type = e1000_ce4100;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
		/* Should never have loaded on this device */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
		return -E1000_ERR_MAC_TYPE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
	switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
	case e1000_82541:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
	case e1000_82547:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
	case e1000_82541_rev_2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
	case e1000_82547_rev_2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
		hw->asf_firmware_present = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
	/* The 82543 chip does not count tx_carrier_errors properly in
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
	 * FD mode
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
	if (hw->mac_type == e1000_82543)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
		hw->bad_tx_carr_stats_fd = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
	if (hw->mac_type > e1000_82544)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
		hw->has_smbus = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
 * e1000_set_media_type - Set media type and TBI compatibility.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
void e1000_set_media_type(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
	u32 status;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
	e_dbg("e1000_set_media_type");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
	if (hw->mac_type != e1000_82543) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
		/* tbi_compatibility is only valid on 82543 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
		hw->tbi_compatibility_en = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
	switch (hw->device_id) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
	case E1000_DEV_ID_82545GM_SERDES:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
	case E1000_DEV_ID_82546GB_SERDES:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
		hw->media_type = e1000_media_type_internal_serdes;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
		switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
		case e1000_82542_rev2_0:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
		case e1000_82542_rev2_1:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
			hw->media_type = e1000_media_type_fiber;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
		case e1000_ce4100:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
			hw->media_type = e1000_media_type_copper;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
		default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
			status = er32(STATUS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
			if (status & E1000_STATUS_TBIMODE) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
				hw->media_type = e1000_media_type_fiber;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
				/* tbi_compatibility not valid on fiber */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
				hw->tbi_compatibility_en = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
			} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
				hw->media_type = e1000_media_type_copper;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
 * e1000_reset_hw - reset the hardware completely
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
 * Reset the transmit and receive units; mask and clear all interrupts.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
s32 e1000_reset_hw(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
	u32 ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
	u32 ctrl_ext;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
	u32 icr;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
	u32 manc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
	u32 led_ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
	e_dbg("e1000_reset_hw");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
	/* For 82542 (rev 2.0), disable MWI before issuing a device reset */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
	if (hw->mac_type == e1000_82542_rev2_0) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
		e_dbg("Disabling MWI on 82542 rev 2.0\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
		e1000_pci_clear_mwi(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
	/* Clear interrupt mask to stop board from generating interrupts */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
	e_dbg("Masking off all interrupts\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
	ew32(IMC, 0xffffffff);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
	/* Disable the Transmit and Receive units.  Then delay to allow
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
	 * any pending transactions to complete before we hit the MAC with
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
	 * the global reset.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
	ew32(RCTL, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
	ew32(TCTL, E1000_TCTL_PSP);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
	E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
	/* The tbi_compatibility_on Flag must be cleared when Rctl is cleared. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
	hw->tbi_compatibility_on = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
	/* Delay to allow any outstanding PCI transactions to complete before
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
	 * resetting the device
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
	msleep(10);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
	ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
	/* Must reset the PHY before resetting the MAC */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
	if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
		ew32(CTRL, (ctrl | E1000_CTRL_PHY_RST));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
		msleep(5);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
	/* Issue a global reset to the MAC.  This will reset the chip's
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
	 * transmit, receive, DMA, and link units.  It will not effect
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
	 * the current PCI configuration.  The global reset bit is self-
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
	 * clearing, and should clear within a microsecond.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
	e_dbg("Issuing a global reset to MAC\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
	switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
	case e1000_82544:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
	case e1000_82540:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
	case e1000_82545:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
	case e1000_82546:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
	case e1000_82541:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
	case e1000_82541_rev_2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
		/* These controllers can't ack the 64-bit write when issuing the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
		 * reset, so use IO-mapping as a workaround to issue the reset */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
		E1000_WRITE_REG_IO(hw, CTRL, (ctrl | E1000_CTRL_RST));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
	case e1000_82545_rev_3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
	case e1000_82546_rev_3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
		/* Reset is performed on a shadow of the control register */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
		ew32(CTRL_DUP, (ctrl | E1000_CTRL_RST));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
	case e1000_ce4100:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
		ew32(CTRL, (ctrl | E1000_CTRL_RST));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
	/* After MAC reset, force reload of EEPROM to restore power-on settings to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
	 * device.  Later controllers reload the EEPROM automatically, so just wait
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
	 * for reload to complete.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
	switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
	case e1000_82542_rev2_0:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
	case e1000_82542_rev2_1:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
	case e1000_82543:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
	case e1000_82544:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
		/* Wait for reset to complete */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
		udelay(10);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
		ctrl_ext = er32(CTRL_EXT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
		ctrl_ext |= E1000_CTRL_EXT_EE_RST;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
		ew32(CTRL_EXT, ctrl_ext);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
		/* Wait for EEPROM reload */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
		msleep(2);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
	case e1000_82541:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
	case e1000_82541_rev_2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
	case e1000_82547:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
	case e1000_82547_rev_2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
		/* Wait for EEPROM reload */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
		msleep(20);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
		/* Auto read done will delay 5ms or poll based on mac type */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
		ret_val = e1000_get_auto_rd_done(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
	/* Disable HW ARPs on ASF enabled adapters */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
	if (hw->mac_type >= e1000_82540) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
		manc = er32(MANC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
		manc &= ~(E1000_MANC_ARP_EN);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
		ew32(MANC, manc);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
		e1000_phy_init_script(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
		/* Configure activity LED after PHY reset */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
		led_ctrl = er32(LEDCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
		led_ctrl &= IGP_ACTIVITY_LED_MASK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
		led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
		ew32(LEDCTL, led_ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
	/* Clear interrupt mask to stop board from generating interrupts */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
	e_dbg("Masking off all interrupts\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
	ew32(IMC, 0xffffffff);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
	/* Clear any pending interrupt events. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
	icr = er32(ICR);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
	/* If MWI was previously enabled, reenable it. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
	if (hw->mac_type == e1000_82542_rev2_0) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
		if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
			e1000_pci_set_mwi(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
 * e1000_init_hw - Performs basic configuration of the adapter.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
 * Assumes that the controller has previously been reset and is in a
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
 * post-reset uninitialized state. Initializes the receive address registers,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
 * multicast table, and VLAN filter table. Calls routines to setup link
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
 * configuration and flow control settings. Clears all on-chip counters. Leaves
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
 * the transmit and receive units disabled and uninitialized.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
s32 e1000_init_hw(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
	u32 ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
	u32 i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
	u32 mta_size;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
	u32 ctrl_ext;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
	e_dbg("e1000_init_hw");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
	/* Initialize Identification LED */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
	ret_val = e1000_id_led_init(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
	if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
		e_dbg("Error Initializing Identification LED\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	/* Set the media type and TBI compatibility */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
	e1000_set_media_type(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	/* Disabling VLAN filtering. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	e_dbg("Initializing the IEEE VLAN\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	if (hw->mac_type < e1000_82545_rev_3)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
		ew32(VET, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
	e1000_clear_vfta(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
	/* For 82542 (rev 2.0), disable MWI and put the receiver into reset */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
	if (hw->mac_type == e1000_82542_rev2_0) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
		e_dbg("Disabling MWI on 82542 rev 2.0\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
		e1000_pci_clear_mwi(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
		ew32(RCTL, E1000_RCTL_RST);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
		msleep(5);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
	/* Setup the receive address. This involves initializing all of the Receive
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
	 * Address Registers (RARs 0 - 15).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	e1000_init_rx_addrs(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
	/* For 82542 (rev 2.0), take the receiver out of reset and enable MWI */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
	if (hw->mac_type == e1000_82542_rev2_0) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
		ew32(RCTL, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
		msleep(1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
		if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
			e1000_pci_set_mwi(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	/* Zero out the Multicast HASH table */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
	e_dbg("Zeroing the MTA\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	mta_size = E1000_MC_TBL_SIZE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
	for (i = 0; i < mta_size; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
		E1000_WRITE_REG_ARRAY(hw, MTA, i, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
		/* use write flush to prevent Memory Write Block (MWB) from
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
		 * occurring when accessing our register space */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	/* Set the PCI priority bit correctly in the CTRL register.  This
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
	 * determines if the adapter gives priority to receives, or if it
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
	 * gives equal priority to transmits and receives.  Valid only on
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
	 * 82542 and 82543 silicon.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
	if (hw->dma_fairness && hw->mac_type <= e1000_82543) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
		ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
		ew32(CTRL, ctrl | E1000_CTRL_PRIOR);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
	switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
	case e1000_82545_rev_3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
	case e1000_82546_rev_3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
		/* Workaround for PCI-X problem when BIOS sets MMRBC incorrectly. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
		if (hw->bus_type == e1000_bus_type_pcix
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
		    && e1000_pcix_get_mmrbc(hw) > 2048)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
			e1000_pcix_set_mmrbc(hw, 2048);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
	/* Call a subroutine to configure the link and setup flow control. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
	ret_val = e1000_setup_link(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
	/* Set the transmit descriptor write-back policy */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
	if (hw->mac_type > e1000_82544) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
		ctrl = er32(TXDCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
		ctrl =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
		    (ctrl & ~E1000_TXDCTL_WTHRESH) |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
		    E1000_TXDCTL_FULL_TX_DESC_WB;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
		ew32(TXDCTL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
	/* Clear all of the statistics registers (clear on read).  It is
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
	 * important that we do this after we have tried to establish link
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
	 * because the symbol error count will increment wildly if there
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
	 * is no link.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
	e1000_clear_hw_cntrs(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
	if (hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
	    hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
		ctrl_ext = er32(CTRL_EXT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
		/* Relaxed ordering must be disabled to avoid a parity
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
		 * error crash in a PCI slot. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
		ctrl_ext |= E1000_CTRL_EXT_RO_DIS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
		ew32(CTRL_EXT, ctrl_ext);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
	return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
 * e1000_adjust_serdes_amplitude - Adjust SERDES output amplitude based on EEPROM setting.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
 * @hw: Struct containing variables accessed by shared code.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
static s32 e1000_adjust_serdes_amplitude(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
	u16 eeprom_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
	e_dbg("e1000_adjust_serdes_amplitude");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
	if (hw->media_type != e1000_media_type_internal_serdes)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
		return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
	switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
	case e1000_82545_rev_3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
	case e1000_82546_rev_3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
		return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
	ret_val = e1000_read_eeprom(hw, EEPROM_SERDES_AMPLITUDE, 1,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
	                            &eeprom_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
	if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
	if (eeprom_data != EEPROM_RESERVED_WORD) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		/* Adjust SERDES output amplitude only. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
		eeprom_data &= EEPROM_SERDES_AMPLITUDE_MASK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
		ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
		    e1000_write_phy_reg(hw, M88E1000_PHY_EXT_CTRL, eeprom_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
 * e1000_setup_link - Configures flow control and link settings.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
 * Determines which flow control settings to use. Calls the appropriate media-
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
 * specific link configuration function. Configures the flow control settings.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
 * Assuming the adapter has a valid link partner, a valid link should be
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
 * established. Assumes the hardware has previously been reset and the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
 * transmitter and receiver are not enabled.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
s32 e1000_setup_link(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
	u32 ctrl_ext;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
	u16 eeprom_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
	e_dbg("e1000_setup_link");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	/* Read and store word 0x0F of the EEPROM. This word contains bits
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
	 * that determine the hardware's default PAUSE (flow control) mode,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
	 * a bit that determines whether the HW defaults to enabling or
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	 * disabling auto-negotiation, and the direction of the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
	 * SW defined pins. If there is no SW over-ride of the flow
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
	 * control setting, then the variable hw->fc will
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
	 * be initialized based on a value in the EEPROM.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
	if (hw->fc == E1000_FC_DEFAULT) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
		ret_val = e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
					    1, &eeprom_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
			e_dbg("EEPROM Read Error\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
			return -E1000_ERR_EEPROM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
		if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == 0)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
			hw->fc = E1000_FC_NONE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
		else if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) ==
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
			 EEPROM_WORD0F_ASM_DIR)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
			hw->fc = E1000_FC_TX_PAUSE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
		else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
			hw->fc = E1000_FC_FULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
	/* We want to save off the original Flow Control configuration just
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
	 * in case we get disconnected and then reconnected into a different
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	 * hub or switch with different Flow Control capabilities.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
	if (hw->mac_type == e1000_82542_rev2_0)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
		hw->fc &= (~E1000_FC_TX_PAUSE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
	if ((hw->mac_type < e1000_82543) && (hw->report_tx_early == 1))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
		hw->fc &= (~E1000_FC_RX_PAUSE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
	hw->original_fc = hw->fc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
	e_dbg("After fix-ups FlowControl is now = %x\n", hw->fc);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
	/* Take the 4 bits from EEPROM word 0x0F that determine the initial
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
	 * polarity value for the SW controlled pins, and setup the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
	 * Extended Device Control reg with that info.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
	 * This is needed because one of the SW controlled pins is used for
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
	 * signal detection.  So this should be done before e1000_setup_pcs_link()
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
	 * or e1000_phy_setup() is called.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
	if (hw->mac_type == e1000_82543) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
		ret_val = e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
					    1, &eeprom_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
			e_dbg("EEPROM Read Error\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
			return -E1000_ERR_EEPROM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
		ctrl_ext = ((eeprom_data & EEPROM_WORD0F_SWPDIO_EXT) <<
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
			    SWDPIO__EXT_SHIFT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
		ew32(CTRL_EXT, ctrl_ext);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
	/* Call the necessary subroutine to configure the link. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
	ret_val = (hw->media_type == e1000_media_type_copper) ?
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
	    e1000_setup_copper_link(hw) : e1000_setup_fiber_serdes_link(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
	/* Initialize the flow control address, type, and PAUSE timer
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
	 * registers to their default values.  This is done even if flow
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	 * control is disabled, because it does not hurt anything to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	 * initialize these registers.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
	e_dbg("Initializing the Flow Control address, type and timer regs\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	ew32(FCT, FLOW_CONTROL_TYPE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
	ew32(FCAH, FLOW_CONTROL_ADDRESS_HIGH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
	ew32(FCAL, FLOW_CONTROL_ADDRESS_LOW);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
	ew32(FCTTV, hw->fc_pause_time);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
	/* Set the flow control receive threshold registers.  Normally,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
	 * these registers will be set to a default threshold that may be
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
	 * adjusted later by the driver's runtime code.  However, if the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
	 * ability to transmit pause frames in not enabled, then these
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
	 * registers will be set to 0.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
	if (!(hw->fc & E1000_FC_TX_PAUSE)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
		ew32(FCRTL, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
		ew32(FCRTH, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
		/* We need to set up the Receive Threshold high and low water marks
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
		 * as well as (optionally) enabling the transmission of XON frames.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
		if (hw->fc_send_xon) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
			ew32(FCRTL, (hw->fc_low_water | E1000_FCRTL_XONE));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
			ew32(FCRTH, hw->fc_high_water);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
			ew32(FCRTL, hw->fc_low_water);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
			ew32(FCRTH, hw->fc_high_water);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
	return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
 * e1000_setup_fiber_serdes_link - prepare fiber or serdes link
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
 * Manipulates Physical Coding Sublayer functions in order to configure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
 * link. Assumes the hardware has been previously reset and the transmitter
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
 * and receiver are not enabled.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
static s32 e1000_setup_fiber_serdes_link(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
	u32 ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
	u32 status;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
	u32 txcw = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
	u32 i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
	u32 signal = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
	e_dbg("e1000_setup_fiber_serdes_link");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
	/* On adapters with a MAC newer than 82544, SWDP 1 will be
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
	 * set when the optics detect a signal. On older adapters, it will be
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
	 * cleared when there is a signal.  This applies to fiber media only.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
	 * If we're on serdes media, adjust the output amplitude to value
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
	 * set in the EEPROM.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
	ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
	if (hw->media_type == e1000_media_type_fiber)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
		signal = (hw->mac_type > e1000_82544) ? E1000_CTRL_SWDPIN1 : 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
	ret_val = e1000_adjust_serdes_amplitude(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
	/* Take the link out of reset */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
	ctrl &= ~(E1000_CTRL_LRST);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
	/* Adjust VCO speed to improve BER performance */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
	ret_val = e1000_set_vco_speed(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
	e1000_config_collision_dist(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
	/* Check for a software override of the flow control settings, and setup
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
	 * the device accordingly.  If auto-negotiation is enabled, then software
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
	 * will have to set the "PAUSE" bits to the correct value in the Tranmsit
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
	 * Config Word Register (TXCW) and re-start auto-negotiation.  However, if
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
	 * auto-negotiation is disabled, then software will have to manually
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	 * configure the two flow control enable bits in the CTRL register.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
	 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
	 * The possible values of the "fc" parameter are:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
	 *      0:  Flow control is completely disabled
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
	 *      1:  Rx flow control is enabled (we can receive pause frames, but
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
	 *          not send pause frames).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	 *      2:  Tx flow control is enabled (we can send pause frames but we do
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
	 *          not support receiving pause frames).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
	 *      3:  Both Rx and TX flow control (symmetric) are enabled.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
	switch (hw->fc) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
	case E1000_FC_NONE:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
		/* Flow control is completely disabled by a software over-ride. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
	case E1000_FC_RX_PAUSE:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
		/* RX Flow control is enabled and TX Flow control is disabled by a
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
		 * software over-ride. Since there really isn't a way to advertise
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
		 * that we are capable of RX Pause ONLY, we will advertise that we
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
		 * support both symmetric and asymmetric RX PAUSE. Later, we will
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
		 *  disable the adapter's ability to send PAUSE frames.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
	case E1000_FC_TX_PAUSE:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
		/* TX Flow control is enabled, and RX Flow control is disabled, by a
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
		 * software over-ride.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_ASM_DIR);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
	case E1000_FC_FULL:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
		/* Flow control (both RX and TX) is enabled by a software over-ride. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
		e_dbg("Flow control param set incorrectly\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
		return -E1000_ERR_CONFIG;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
	/* Since auto-negotiation is enabled, take the link out of reset (the link
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
	 * will be in reset, because we previously reset the chip). This will
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
	 * restart auto-negotiation.  If auto-negotiation is successful then the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
	 * link-up status bit will be set and the flow control enable bits (RFCE
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
	 * and TFCE) will be set according to their negotiated value.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
	e_dbg("Auto-negotiation enabled\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
	ew32(TXCW, txcw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
	ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
	E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
	hw->txcw = txcw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
	msleep(1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
	/* If we have a signal (the cable is plugged in) then poll for a "Link-Up"
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
	 * indication in the Device Status Register.  Time-out if a link isn't
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	 * seen in 500 milliseconds seconds (Auto-negotiation should complete in
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
	 * less than 500 milliseconds even if the other end is doing it in SW).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
	 * For internal serdes, we just assume a signal is present, then poll.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
	if (hw->media_type == e1000_media_type_internal_serdes ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
	    (er32(CTRL) & E1000_CTRL_SWDPIN1) == signal) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
		e_dbg("Looking for Link\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
		for (i = 0; i < (LINK_UP_TIMEOUT / 10); i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
			msleep(10);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
			status = er32(STATUS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
			if (status & E1000_STATUS_LU)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
		if (i == (LINK_UP_TIMEOUT / 10)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
			e_dbg("Never got a valid link from auto-neg!!!\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
			hw->autoneg_failed = 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
			/* AutoNeg failed to achieve a link, so we'll call
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
			 * e1000_check_for_link. This routine will force the link up if
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
			 * we detect a signal. This will allow us to communicate with
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
			 * non-autonegotiating link partners.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
			 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
			ret_val = e1000_check_for_link(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
			if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
				e_dbg("Error while checking for link\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
			hw->autoneg_failed = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
			hw->autoneg_failed = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
			e_dbg("Valid Link Found\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
		e_dbg("No Signal Detected\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
 * e1000_copper_link_rtl_setup - Copper link setup for e1000_phy_rtl series.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
 * Commits changes to PHY configuration by calling e1000_phy_reset().
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
static s32 e1000_copper_link_rtl_setup(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
	/* SW reset the PHY so all changes take effect */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
	ret_val = e1000_phy_reset(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
	if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
		e_dbg("Error Resetting the PHY\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
static s32 gbe_dhg_phy_setup(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
	u32 ctrl_aux;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
	switch (hw->phy_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
	case e1000_phy_8211:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
		ret_val = e1000_copper_link_rtl_setup(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
			e_dbg("e1000_copper_link_rtl_setup failed!\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
	case e1000_phy_8201:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
		/* Set RMII mode */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
		ctrl_aux = er32(CTL_AUX);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
		ctrl_aux |= E1000_CTL_AUX_RMII;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
		ew32(CTL_AUX, ctrl_aux);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
		/* Disable the J/K bits required for receive */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
		ctrl_aux = er32(CTL_AUX);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
		ctrl_aux |= 0x4;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
		ctrl_aux &= ~0x2;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
		ew32(CTL_AUX, ctrl_aux);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
		ret_val = e1000_copper_link_rtl_setup(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
			e_dbg("e1000_copper_link_rtl_setup failed!\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
		e_dbg("Error Resetting the PHY\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
		return E1000_ERR_PHY_TYPE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
 * e1000_copper_link_preconfig - early configuration for copper
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
 * Make sure we have a valid PHY and change PHY mode before link setup.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
static s32 e1000_copper_link_preconfig(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
	u32 ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
	u16 phy_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
	e_dbg("e1000_copper_link_preconfig");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
	ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	/* With 82543, we need to force speed and duplex on the MAC equal to what
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
	 * the PHY speed and duplex configuration is. In addition, we need to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
	 * perform a hardware reset on the PHY to take it out of reset.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
	if (hw->mac_type > e1000_82543) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
		ctrl |= E1000_CTRL_SLU;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
		ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
		ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
		ctrl |=
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
		    (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX | E1000_CTRL_SLU);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
		ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
		ret_val = e1000_phy_hw_reset(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
	/* Make sure we have a valid PHY */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
	ret_val = e1000_detect_gig_phy(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
	if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
		e_dbg("Error, did not detect valid phy.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
	e_dbg("Phy ID = %x\n", hw->phy_id);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
	/* Set PHY to class A mode (if necessary) */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
	ret_val = e1000_set_phy_mode(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
	if ((hw->mac_type == e1000_82545_rev_3) ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
	    (hw->mac_type == e1000_82546_rev_3)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
		ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
		    e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
		phy_data |= 0x00000008;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
		ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
		    e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	if (hw->mac_type <= e1000_82543 ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
	    hw->mac_type == e1000_82541 || hw->mac_type == e1000_82547 ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	    hw->mac_type == e1000_82541_rev_2
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	    || hw->mac_type == e1000_82547_rev_2)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
		hw->phy_reset_disable = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
 * e1000_copper_link_igp_setup - Copper link setup for e1000_phy_igp series.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
static s32 e1000_copper_link_igp_setup(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
	u32 led_ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
	u16 phy_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
	e_dbg("e1000_copper_link_igp_setup");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
	if (hw->phy_reset_disable)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
		return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
	ret_val = e1000_phy_reset(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
	if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
		e_dbg("Error Resetting the PHY\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	/* Wait 15ms for MAC to configure PHY from eeprom settings */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
	msleep(15);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	/* Configure activity LED after PHY reset */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	led_ctrl = er32(LEDCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
	led_ctrl &= IGP_ACTIVITY_LED_MASK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
	ew32(LEDCTL, led_ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
	/* The NVM settings will configure LPLU in D3 for IGP2 and IGP3 PHYs */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
	if (hw->phy_type == e1000_phy_igp) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
		/* disable lplu d3 during driver init */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
		ret_val = e1000_set_d3_lplu_state(hw, false);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
			e_dbg("Error Disabling LPLU D3\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
	/* Configure mdi-mdix settings */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
	ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
	if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
		hw->dsp_config_state = e1000_dsp_config_disabled;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
		/* Force MDI for earlier revs of the IGP PHY */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
		phy_data &=
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
		    ~(IGP01E1000_PSCR_AUTO_MDIX |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
		      IGP01E1000_PSCR_FORCE_MDI_MDIX);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
		hw->mdix = 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
		hw->dsp_config_state = e1000_dsp_config_enabled;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
		phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
		switch (hw->mdix) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
		case 1:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
			phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
		case 2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
			phy_data |= IGP01E1000_PSCR_FORCE_MDI_MDIX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
		case 0:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
		default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
			phy_data |= IGP01E1000_PSCR_AUTO_MDIX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
	ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
	/* set auto-master slave resolution settings */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
	if (hw->autoneg) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
		e1000_ms_type phy_ms_setting = hw->master_slave;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
		if (hw->ffe_config_state == e1000_ffe_config_active)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
			hw->ffe_config_state = e1000_ffe_config_enabled;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
		if (hw->dsp_config_state == e1000_dsp_config_activated)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
			hw->dsp_config_state = e1000_dsp_config_enabled;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
		/* when autonegotiation advertisement is only 1000Mbps then we
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
		 * should disable SmartSpeed and enable Auto MasterSlave
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
		 * resolution as hardware default. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
		if (hw->autoneg_advertised == ADVERTISE_1000_FULL) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
			/* Disable SmartSpeed */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
			    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
					       &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
			phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
			    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
						phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
			/* Set auto Master/Slave resolution process */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
			    e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
			phy_data &= ~CR_1000T_MS_ENABLE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
			    e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
		ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
		/* load defaults for future use */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
		hw->original_master_slave = (phy_data & CR_1000T_MS_ENABLE) ?
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
		    ((phy_data & CR_1000T_MS_VALUE) ?
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
		     e1000_ms_force_master :
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
		     e1000_ms_force_slave) : e1000_ms_auto;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
		switch (phy_ms_setting) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
		case e1000_ms_force_master:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
			phy_data |= (CR_1000T_MS_ENABLE | CR_1000T_MS_VALUE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
		case e1000_ms_force_slave:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
			phy_data |= CR_1000T_MS_ENABLE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
			phy_data &= ~(CR_1000T_MS_VALUE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
		case e1000_ms_auto:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
			phy_data &= ~CR_1000T_MS_ENABLE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
		default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
		ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
 * e1000_copper_link_mgp_setup - Copper link setup for e1000_phy_m88 series.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
static s32 e1000_copper_link_mgp_setup(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
	u16 phy_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
	e_dbg("e1000_copper_link_mgp_setup");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
	if (hw->phy_reset_disable)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
		return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
	/* Enable CRS on TX. This must be set for half-duplex operation. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
	phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
	/* Options:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	 *   MDI/MDI-X = 0 (default)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
	 *   0 - Auto for all speeds
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
	 *   1 - MDI mode
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
	 *   2 - MDI-X mode
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
	 *   3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
	phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
	switch (hw->mdix) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
	case 1:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
		phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
	case 2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
		phy_data |= M88E1000_PSCR_MDIX_MANUAL_MODE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
	case 3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
		phy_data |= M88E1000_PSCR_AUTO_X_1000T;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
	case 0:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
		phy_data |= M88E1000_PSCR_AUTO_X_MODE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
	/* Options:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	 *   disable_polarity_correction = 0 (default)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
	 *       Automatic Correction for Reversed Cable Polarity
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
	 *   0 - Disabled
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
	 *   1 - Enabled
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
	phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
	if (hw->disable_polarity_correction == 1)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
		phy_data |= M88E1000_PSCR_POLARITY_REVERSAL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
	if (hw->phy_revision < M88E1011_I_REV_4) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
		/* Force TX_CLK in the Extended PHY Specific Control Register
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
		 * to 25MHz clock.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
		ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
		    e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
				       &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
		phy_data |= M88E1000_EPSCR_TX_CLK_25;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
		if ((hw->phy_revision == E1000_REVISION_2) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
		    (hw->phy_id == M88E1111_I_PHY_ID)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
			/* Vidalia Phy, set the downshift counter to 5x */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
			phy_data &= ~(M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
			phy_data |= M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
			ret_val = e1000_write_phy_reg(hw,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
						      M88E1000_EXT_PHY_SPEC_CTRL,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
						      phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
			/* Configure Master and Slave downshift values */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
			phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
				      M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
			phy_data |= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
				     M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
			ret_val = e1000_write_phy_reg(hw,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
						      M88E1000_EXT_PHY_SPEC_CTRL,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
						      phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
	/* SW Reset the PHY so all changes take effect */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
	ret_val = e1000_phy_reset(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
	if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
		e_dbg("Error Resetting the PHY\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
 * e1000_copper_link_autoneg - setup auto-neg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
 * Setup auto-negotiation and flow control advertisements,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
 * and then perform auto-negotiation.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
static s32 e1000_copper_link_autoneg(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
	u16 phy_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
	e_dbg("e1000_copper_link_autoneg");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
	/* Perform some bounds checking on the hw->autoneg_advertised
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
	 * parameter.  If this variable is zero, then set it to the default.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
	hw->autoneg_advertised &= AUTONEG_ADVERTISE_SPEED_DEFAULT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
	/* If autoneg_advertised is zero, we assume it was not defaulted
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
	 * by the calling code so we set to advertise full capability.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
	if (hw->autoneg_advertised == 0)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
		hw->autoneg_advertised = AUTONEG_ADVERTISE_SPEED_DEFAULT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
	/* IFE/RTL8201N PHY only supports 10/100 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
	if (hw->phy_type == e1000_phy_8201)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
		hw->autoneg_advertised &= AUTONEG_ADVERTISE_10_100_ALL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
	e_dbg("Reconfiguring auto-neg advertisement params\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
	ret_val = e1000_phy_setup_autoneg(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
	if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
		e_dbg("Error Setting up Auto-Negotiation\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
	e_dbg("Restarting Auto-Neg\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
	/* Restart auto-negotiation by setting the Auto Neg Enable bit and
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	 * the Auto Neg Restart bit in the PHY control register.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
	ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
	phy_data |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
	ret_val = e1000_write_phy_reg(hw, PHY_CTRL, phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
	/* Does the user want to wait for Auto-Neg to complete here, or
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	 * check at a later time (for example, callback routine).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
	if (hw->wait_autoneg_complete) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
		ret_val = e1000_wait_autoneg(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
			e_dbg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
			    ("Error while waiting for autoneg to complete\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
	hw->get_link_status = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
 * e1000_copper_link_postconfig - post link setup
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
 * Config the MAC and the PHY after link is up.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
 *   1) Set up the MAC to the current PHY speed/duplex
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
 *      if we are on 82543.  If we
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
 *      are on newer silicon, we only need to configure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
 *      collision distance in the Transmit Control Register.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
 *   2) Set up flow control on the MAC to that established with
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
 *      the link partner.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
 *   3) Config DSP to improve Gigabit link quality for some PHY revisions.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
static s32 e1000_copper_link_postconfig(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
	e_dbg("e1000_copper_link_postconfig");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
	if ((hw->mac_type >= e1000_82544) && (hw->mac_type != e1000_ce4100)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
		e1000_config_collision_dist(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
		ret_val = e1000_config_mac_to_phy(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
			e_dbg("Error configuring MAC to PHY settings\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
	ret_val = e1000_config_fc_after_link_up(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
	if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
		e_dbg("Error Configuring Flow Control\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
	/* Config DSP to improve Giga link quality */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
	if (hw->phy_type == e1000_phy_igp) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
		ret_val = e1000_config_dsp_after_link_change(hw, true);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
			e_dbg("Error Configuring DSP after link up\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
 * e1000_setup_copper_link - phy/speed/duplex setting
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
 * Detects which PHY is present and sets up the speed and duplex
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
static s32 e1000_setup_copper_link(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	u16 i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
	u16 phy_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
	e_dbg("e1000_setup_copper_link");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
	/* Check if it is a valid PHY and set PHY mode if necessary. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
	ret_val = e1000_copper_link_preconfig(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
	if (hw->phy_type == e1000_phy_igp) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
		ret_val = e1000_copper_link_igp_setup(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
	} else if (hw->phy_type == e1000_phy_m88) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
		ret_val = e1000_copper_link_mgp_setup(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
		ret_val = gbe_dhg_phy_setup(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
			e_dbg("gbe_dhg_phy_setup failed!\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
	if (hw->autoneg) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
		/* Setup autoneg and flow control advertisement
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
		 * and perform autonegotiation */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
		ret_val = e1000_copper_link_autoneg(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
		/* PHY will be set to 10H, 10F, 100H,or 100F
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
		 * depending on value from forced_speed_duplex. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
		e_dbg("Forcing speed and duplex\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
		ret_val = e1000_phy_force_speed_duplex(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
			e_dbg("Error Forcing Speed and Duplex\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
	/* Check link status. Wait up to 100 microseconds for link to become
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
	 * valid.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
	for (i = 0; i < 10; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
		if (phy_data & MII_SR_LINK_STATUS) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
			/* Config the MAC and PHY after link is up */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
			ret_val = e1000_copper_link_postconfig(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
			e_dbg("Valid link established!!!\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
			return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
		udelay(10);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
	e_dbg("Unable to establish link!!!\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
 * e1000_phy_setup_autoneg - phy settings
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
 * Configures PHY autoneg and flow control advertisement settings
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
	u16 mii_autoneg_adv_reg;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
	u16 mii_1000t_ctrl_reg;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
	e_dbg("e1000_phy_setup_autoneg");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
	/* Read the MII Auto-Neg Advertisement Register (Address 4). */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
	ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
	/* Read the MII 1000Base-T Control Register (Address 9). */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
	ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &mii_1000t_ctrl_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
	else if (hw->phy_type == e1000_phy_8201)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
		mii_1000t_ctrl_reg &= ~REG9_SPEED_MASK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
	/* Need to parse both autoneg_advertised and fc and set up
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
	 * the appropriate PHY registers.  First we will parse for
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
	 * autoneg_advertised software override.  Since we can advertise
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
	 * a plethora of combinations, we need to check each bit
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
	 * individually.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
	/* First we clear all the 10/100 mb speed bits in the Auto-Neg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
	 * Advertisement Register (Address 4) and the 1000 mb speed bits in
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
	 * the  1000Base-T Control Register (Address 9).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
	mii_autoneg_adv_reg &= ~REG4_SPEED_MASK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
	mii_1000t_ctrl_reg &= ~REG9_SPEED_MASK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
	e_dbg("autoneg_advertised %x\n", hw->autoneg_advertised);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
	/* Do we want to advertise 10 Mb Half Duplex? */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
	if (hw->autoneg_advertised & ADVERTISE_10_HALF) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
		e_dbg("Advertise 10mb Half duplex\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
		mii_autoneg_adv_reg |= NWAY_AR_10T_HD_CAPS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
	/* Do we want to advertise 10 Mb Full Duplex? */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
	if (hw->autoneg_advertised & ADVERTISE_10_FULL) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
		e_dbg("Advertise 10mb Full duplex\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
		mii_autoneg_adv_reg |= NWAY_AR_10T_FD_CAPS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
	/* Do we want to advertise 100 Mb Half Duplex? */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
	if (hw->autoneg_advertised & ADVERTISE_100_HALF) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
		e_dbg("Advertise 100mb Half duplex\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
		mii_autoneg_adv_reg |= NWAY_AR_100TX_HD_CAPS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
	/* Do we want to advertise 100 Mb Full Duplex? */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
	if (hw->autoneg_advertised & ADVERTISE_100_FULL) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
		e_dbg("Advertise 100mb Full duplex\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
		mii_autoneg_adv_reg |= NWAY_AR_100TX_FD_CAPS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
	/* We do not allow the Phy to advertise 1000 Mb Half Duplex */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
	if (hw->autoneg_advertised & ADVERTISE_1000_HALF) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
		e_dbg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
		    ("Advertise 1000mb Half duplex requested, request denied!\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
	/* Do we want to advertise 1000 Mb Full Duplex? */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
	if (hw->autoneg_advertised & ADVERTISE_1000_FULL) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
		e_dbg("Advertise 1000mb Full duplex\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
		mii_1000t_ctrl_reg |= CR_1000T_FD_CAPS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
	/* Check for a software override of the flow control settings, and
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
	 * setup the PHY advertisement registers accordingly.  If
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
	 * auto-negotiation is enabled, then software will have to set the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
	 * "PAUSE" bits to the correct value in the Auto-Negotiation
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
	 * Advertisement Register (PHY_AUTONEG_ADV) and re-start auto-negotiation.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
	 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
	 * The possible values of the "fc" parameter are:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
	 *      0:  Flow control is completely disabled
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
	 *      1:  Rx flow control is enabled (we can receive pause frames
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
	 *          but not send pause frames).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
	 *      2:  Tx flow control is enabled (we can send pause frames
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
	 *          but we do not support receiving pause frames).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
	 *      3:  Both Rx and TX flow control (symmetric) are enabled.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
	 *  other:  No software override.  The flow control configuration
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
	 *          in the EEPROM is used.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
	switch (hw->fc) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
	case E1000_FC_NONE:	/* 0 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
		/* Flow control (RX & TX) is completely disabled by a
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
		 * software over-ride.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
		mii_autoneg_adv_reg &= ~(NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
	case E1000_FC_RX_PAUSE:	/* 1 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
		/* RX Flow control is enabled, and TX Flow control is
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
		 * disabled, by a software over-ride.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
		/* Since there really isn't a way to advertise that we are
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
		 * capable of RX Pause ONLY, we will advertise that we
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
		 * support both symmetric and asymmetric RX PAUSE.  Later
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
		 * (in e1000_config_fc_after_link_up) we will disable the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
		 *hw's ability to send PAUSE frames.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
	case E1000_FC_TX_PAUSE:	/* 2 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
		/* TX Flow control is enabled, and RX Flow control is
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
		 * disabled, by a software over-ride.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
		mii_autoneg_adv_reg |= NWAY_AR_ASM_DIR;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
		mii_autoneg_adv_reg &= ~NWAY_AR_PAUSE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
	case E1000_FC_FULL:	/* 3 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
		/* Flow control (both RX and TX) is enabled by a software
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
		 * over-ride.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
		e_dbg("Flow control param set incorrectly\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
		return -E1000_ERR_CONFIG;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
	ret_val = e1000_write_phy_reg(hw, PHY_AUTONEG_ADV, mii_autoneg_adv_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
	e_dbg("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
	if (hw->phy_type == e1000_phy_8201) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
		mii_1000t_ctrl_reg = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
		ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
		                              mii_1000t_ctrl_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
 * e1000_phy_force_speed_duplex - force link settings
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
 * Force PHY speed and duplex settings to hw->forced_speed_duplex
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
	u32 ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
	u16 mii_ctrl_reg;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
	u16 mii_status_reg;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
	u16 phy_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
	u16 i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
	e_dbg("e1000_phy_force_speed_duplex");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
	/* Turn off Flow control if we are forcing speed and duplex. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	hw->fc = E1000_FC_NONE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
	e_dbg("hw->fc = %d\n", hw->fc);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
	/* Read the Device Control Register. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
	ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
	/* Set the bits to Force Speed and Duplex in the Device Ctrl Reg. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
	ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
	ctrl &= ~(DEVICE_SPEED_MASK);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
	/* Clear the Auto Speed Detect Enable bit. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
	ctrl &= ~E1000_CTRL_ASDE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
	/* Read the MII Control Register. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
	ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &mii_ctrl_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
	/* We need to disable autoneg in order to force link and duplex. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	mii_ctrl_reg &= ~MII_CR_AUTO_NEG_EN;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	/* Are we forcing Full or Half Duplex? */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
	if (hw->forced_speed_duplex == e1000_100_full ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
	    hw->forced_speed_duplex == e1000_10_full) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
		/* We want to force full duplex so we SET the full duplex bits in the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
		 * Device and MII Control Registers.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
		ctrl |= E1000_CTRL_FD;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
		mii_ctrl_reg |= MII_CR_FULL_DUPLEX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
		e_dbg("Full Duplex\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
		/* We want to force half duplex so we CLEAR the full duplex bits in
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
		 * the Device and MII Control Registers.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
		ctrl &= ~E1000_CTRL_FD;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
		mii_ctrl_reg &= ~MII_CR_FULL_DUPLEX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
		e_dbg("Half Duplex\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
	/* Are we forcing 100Mbps??? */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
	if (hw->forced_speed_duplex == e1000_100_full ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
	    hw->forced_speed_duplex == e1000_100_half) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
		/* Set the 100Mb bit and turn off the 1000Mb and 10Mb bits. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
		ctrl |= E1000_CTRL_SPD_100;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
		mii_ctrl_reg |= MII_CR_SPEED_100;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
		mii_ctrl_reg &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_10);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
		e_dbg("Forcing 100mb ");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
		/* Set the 10Mb bit and turn off the 1000Mb and 100Mb bits. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
		ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
		mii_ctrl_reg |= MII_CR_SPEED_10;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
		mii_ctrl_reg &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_100);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
		e_dbg("Forcing 10mb ");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
	e1000_config_collision_dist(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
	/* Write the configured values back to the Device Control Reg. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
	ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
	if (hw->phy_type == e1000_phy_m88) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
		ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
		    e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
		/* Clear Auto-Crossover to force MDI manually. M88E1000 requires MDI
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
		 * forced whenever speed are duplex are forced.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
		phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
		ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
		    e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
		e_dbg("M88E1000 PSCR: %x\n", phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
		/* Need to reset the PHY or these changes will be ignored */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
		mii_ctrl_reg |= MII_CR_RESET;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
		/* Disable MDI-X support for 10/100 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
		/* Clear Auto-Crossover to force MDI manually.  IGP requires MDI
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
		 * forced whenever speed or duplex are forced.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
		ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
		    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
		phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
		phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
		ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
		    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
	/* Write back the modified PHY MII control register. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
	ret_val = e1000_write_phy_reg(hw, PHY_CTRL, mii_ctrl_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
	udelay(1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
	/* The wait_autoneg_complete flag may be a little misleading here.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
	 * Since we are forcing speed and duplex, Auto-Neg is not enabled.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
	 * But we do want to delay for a period while forcing only so we
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
	 * don't generate false No Link messages.  So we will wait here
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
	 * only if the user has set wait_autoneg_complete to 1, which is
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
	 * the default.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
	if (hw->wait_autoneg_complete) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
		/* We will wait for autoneg to complete. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
		e_dbg("Waiting for forced speed/duplex link.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
		mii_status_reg = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
		/* We will wait for autoneg to complete or 4.5 seconds to expire. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
		for (i = PHY_FORCE_TIME; i > 0; i--) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
			/* Read the MII Status Register and wait for Auto-Neg Complete bit
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
			 * to be set.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
			 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
			    e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
			    e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
			if (mii_status_reg & MII_SR_LINK_STATUS)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
			msleep(100);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
		if ((i == 0) && (hw->phy_type == e1000_phy_m88)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
			/* We didn't get link.  Reset the DSP and wait again for link. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
			ret_val = e1000_phy_reset_dsp(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
			if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
				e_dbg("Error Resetting PHY DSP\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
		/* This loop will early-out if the link condition has been met.  */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
		for (i = PHY_FORCE_TIME; i > 0; i--) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
			if (mii_status_reg & MII_SR_LINK_STATUS)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
			msleep(100);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
			/* Read the MII Status Register and wait for Auto-Neg Complete bit
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
			 * to be set.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
			 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
			    e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
			    e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
	if (hw->phy_type == e1000_phy_m88) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
		/* Because we reset the PHY above, we need to re-force TX_CLK in the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
		 * Extended PHY Specific Control Register to 25MHz clock.  This value
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
		 * defaults back to a 2.5MHz clock when the PHY is reset.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
		ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
		    e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
				       &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
		phy_data |= M88E1000_EPSCR_TX_CLK_25;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
		ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
		    e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
					phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
		/* In addition, because of the s/w reset above, we need to enable CRS on
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
		 * TX.  This must be set for both full and half duplex operation.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
		ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
		    e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
		phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
		ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
		    e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
		if ((hw->mac_type == e1000_82544 || hw->mac_type == e1000_82543)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
		    && (!hw->autoneg)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
		    && (hw->forced_speed_duplex == e1000_10_full
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
			|| hw->forced_speed_duplex == e1000_10_half)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
			ret_val = e1000_polarity_reversal_workaround(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
 * e1000_config_collision_dist - set collision distance register
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
 * Sets the collision distance in the Transmit Control register.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
 * Link should have been established previously. Reads the speed and duplex
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
 * information from the Device Status register.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
void e1000_config_collision_dist(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
	u32 tctl, coll_dist;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
	e_dbg("e1000_config_collision_dist");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
	if (hw->mac_type < e1000_82543)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
		coll_dist = E1000_COLLISION_DISTANCE_82542;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
	else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
		coll_dist = E1000_COLLISION_DISTANCE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
	tctl = er32(TCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
	tctl &= ~E1000_TCTL_COLD;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
	tctl |= coll_dist << E1000_COLD_SHIFT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
	ew32(TCTL, tctl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
	E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
 * e1000_config_mac_to_phy - sync phy and mac settings
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
 * @mii_reg: data to write to the MII control register
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
 * Sets MAC speed and duplex settings to reflect the those in the PHY
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
 * The contents of the PHY register containing the needed information need to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
 * be passed in.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
static s32 e1000_config_mac_to_phy(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
	u32 ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
	u16 phy_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
	e_dbg("e1000_config_mac_to_phy");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
	/* 82544 or newer MAC, Auto Speed Detection takes care of
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
	 * MAC speed/duplex configuration.*/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
	if ((hw->mac_type >= e1000_82544) && (hw->mac_type != e1000_ce4100))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
		return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
	/* Read the Device Control Register and set the bits to Force Speed
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
	 * and Duplex.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
	ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
	ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
	ctrl &= ~(E1000_CTRL_SPD_SEL | E1000_CTRL_ILOS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
	switch (hw->phy_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
	case e1000_phy_8201:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
		ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
		if (phy_data & RTL_PHY_CTRL_FD)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
			ctrl |= E1000_CTRL_FD;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
		else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
			ctrl &= ~E1000_CTRL_FD;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
		if (phy_data & RTL_PHY_CTRL_SPD_100)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
			ctrl |= E1000_CTRL_SPD_100;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
		else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
			ctrl |= E1000_CTRL_SPD_10;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
		e1000_config_collision_dist(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
		/* Set up duplex in the Device Control and Transmit Control
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
		 * registers depending on negotiated values.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
		ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
		                             &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
		if (phy_data & M88E1000_PSSR_DPLX)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
			ctrl |= E1000_CTRL_FD;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
		else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
			ctrl &= ~E1000_CTRL_FD;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
		e1000_config_collision_dist(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
		/* Set up speed in the Device Control register depending on
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
		 * negotiated values.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
		if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
			ctrl |= E1000_CTRL_SPD_1000;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
		else if ((phy_data & M88E1000_PSSR_SPEED) ==
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
		         M88E1000_PSSR_100MBS)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
			ctrl |= E1000_CTRL_SPD_100;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	/* Write the configured values back to the Device Control Reg. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
	ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
 * e1000_force_mac_fc - force flow control settings
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
 * Forces the MAC's flow control settings.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
 * Sets the TFCE and RFCE bits in the device control register to reflect
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
 * the adapter settings. TFCE and RFCE need to be explicitly set by
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
 * software when a Copper PHY is used because autonegotiation is managed
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
 * by the PHY rather than the MAC. Software must also configure these
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
 * bits when link is forced on a fiber connection.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
s32 e1000_force_mac_fc(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
	u32 ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
	e_dbg("e1000_force_mac_fc");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
	/* Get the current configuration of the Device Control Register */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
	ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
	/* Because we didn't get link via the internal auto-negotiation
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
	 * mechanism (we either forced link or we got link via PHY
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
	 * auto-neg), we have to manually enable/disable transmit an
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
	 * receive flow control.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
	 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
	 * The "Case" statement below enables/disable flow control
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
	 * according to the "hw->fc" parameter.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
	 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
	 * The possible values of the "fc" parameter are:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
	 *      0:  Flow control is completely disabled
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
	 *      1:  Rx flow control is enabled (we can receive pause
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
	 *          frames but not send pause frames).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
	 *      2:  Tx flow control is enabled (we can send pause frames
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
	 *          frames but we do not receive pause frames).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
	 *      3:  Both Rx and TX flow control (symmetric) is enabled.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
	 *  other:  No other values should be possible at this point.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
	switch (hw->fc) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
	case E1000_FC_NONE:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
		ctrl &= (~(E1000_CTRL_TFCE | E1000_CTRL_RFCE));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
	case E1000_FC_RX_PAUSE:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
		ctrl &= (~E1000_CTRL_TFCE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
		ctrl |= E1000_CTRL_RFCE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
	case E1000_FC_TX_PAUSE:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
		ctrl &= (~E1000_CTRL_RFCE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
		ctrl |= E1000_CTRL_TFCE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
	case E1000_FC_FULL:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
		ctrl |= (E1000_CTRL_TFCE | E1000_CTRL_RFCE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
		e_dbg("Flow control param set incorrectly\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
		return -E1000_ERR_CONFIG;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
	/* Disable TX Flow Control for 82542 (rev 2.0) */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
	if (hw->mac_type == e1000_82542_rev2_0)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
		ctrl &= (~E1000_CTRL_TFCE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
	ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
 * e1000_config_fc_after_link_up - configure flow control after autoneg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
 * Configures flow control settings after link is established
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
 * Should be called immediately after a valid link has been established.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
 * Forces MAC flow control settings if link was forced. When in MII/GMII mode
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
 * and autonegotiation is enabled, the MAC flow control settings will be set
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
 * based on the flow control negotiated by the PHY. In TBI mode, the TFCE
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
 * and RFCE bits will be automatically set to the negotiated flow control mode.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
static s32 e1000_config_fc_after_link_up(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
	u16 mii_status_reg;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
	u16 mii_nway_adv_reg;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
	u16 mii_nway_lp_ability_reg;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
	u16 speed;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
	u16 duplex;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
	e_dbg("e1000_config_fc_after_link_up");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
	/* Check for the case where we have fiber media and auto-neg failed
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
	 * so we had to force link.  In this case, we need to force the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
	 * configuration of the MAC to match the "fc" parameter.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
	if (((hw->media_type == e1000_media_type_fiber) && (hw->autoneg_failed))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
	    || ((hw->media_type == e1000_media_type_internal_serdes)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
		&& (hw->autoneg_failed))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
	    || ((hw->media_type == e1000_media_type_copper)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
		&& (!hw->autoneg))) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
		ret_val = e1000_force_mac_fc(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
			e_dbg("Error forcing flow control settings\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
	/* Check for the case where we have copper media and auto-neg is
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
	 * enabled.  In this case, we need to check and see if Auto-Neg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
	 * has completed, and if so, how the PHY and link partner has
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
	 * flow control configured.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
	if ((hw->media_type == e1000_media_type_copper) && hw->autoneg) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
		/* Read the MII Status Register and check to see if AutoNeg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
		 * has completed.  We read this twice because this reg has
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
		 * some "sticky" (latched) bits.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
		if (mii_status_reg & MII_SR_AUTONEG_COMPLETE) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
			/* The AutoNeg process has completed, so we now need to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
			 * read both the Auto Negotiation Advertisement Register
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
			 * (Address 4) and the Auto_Negotiation Base Page Ability
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
			 * Register (Address 5) to determine how flow control was
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
			 * negotiated.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
			 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
			ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_ADV,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
						     &mii_nway_adv_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
			ret_val = e1000_read_phy_reg(hw, PHY_LP_ABILITY,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
						     &mii_nway_lp_ability_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
			/* Two bits in the Auto Negotiation Advertisement Register
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
			 * (Address 4) and two bits in the Auto Negotiation Base
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
			 * Page Ability Register (Address 5) determine flow control
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
			 * for both the PHY and the link partner.  The following
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
			 * table, taken out of the IEEE 802.3ab/D6.0 dated March 25,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
			 * 1999, describes these PAUSE resolution bits and how flow
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
			 * control is determined based upon these settings.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
			 * NOTE:  DC = Don't Care
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
			 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
			 *   LOCAL DEVICE  |   LINK PARTNER
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
			 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
			 *-------|---------|-------|---------|--------------------
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
			 *   0   |    0    |  DC   |   DC    | E1000_FC_NONE
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
			 *   0   |    1    |   0   |   DC    | E1000_FC_NONE
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
			 *   0   |    1    |   1   |    0    | E1000_FC_NONE
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
			 *   0   |    1    |   1   |    1    | E1000_FC_TX_PAUSE
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
			 *   1   |    0    |   0   |   DC    | E1000_FC_NONE
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
			 *   1   |   DC    |   1   |   DC    | E1000_FC_FULL
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
			 *   1   |    1    |   0   |    0    | E1000_FC_NONE
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
			 *   1   |    1    |   0   |    1    | E1000_FC_RX_PAUSE
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
			 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
			 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
			/* Are both PAUSE bits set to 1?  If so, this implies
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
			 * Symmetric Flow Control is enabled at both ends.  The
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
			 * ASM_DIR bits are irrelevant per the spec.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
			 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
			 * For Symmetric Flow Control:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
			 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
			 *   LOCAL DEVICE  |   LINK PARTNER
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
			 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
			 *-------|---------|-------|---------|--------------------
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
			 *   1   |   DC    |   1   |   DC    | E1000_FC_FULL
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
			 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
			 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
			if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
			    (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
				/* Now we need to check if the user selected RX ONLY
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
				 * of pause frames.  In this case, we had to advertise
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
				 * FULL flow control because we could not advertise RX
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
				 * ONLY. Hence, we must now check to see if we need to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
				 * turn OFF  the TRANSMISSION of PAUSE frames.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
				 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
				if (hw->original_fc == E1000_FC_FULL) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
					hw->fc = E1000_FC_FULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
					e_dbg("Flow Control = FULL.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
				} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
					hw->fc = E1000_FC_RX_PAUSE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
					e_dbg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
					    ("Flow Control = RX PAUSE frames only.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
				}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
			/* For receiving PAUSE frames ONLY.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
			 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
			 *   LOCAL DEVICE  |   LINK PARTNER
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
			 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
			 *-------|---------|-------|---------|--------------------
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
			 *   0   |    1    |   1   |    1    | E1000_FC_TX_PAUSE
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
			 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
			 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
			else if (!(mii_nway_adv_reg & NWAY_AR_PAUSE) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
				 (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
				 (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
				 (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
			{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
				hw->fc = E1000_FC_TX_PAUSE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
				e_dbg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
				    ("Flow Control = TX PAUSE frames only.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
			/* For transmitting PAUSE frames ONLY.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
			 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
			 *   LOCAL DEVICE  |   LINK PARTNER
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
			 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
			 *-------|---------|-------|---------|--------------------
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
			 *   1   |    1    |   0   |    1    | E1000_FC_RX_PAUSE
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
			 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
			 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
			else if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
				 (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
				 !(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
				 (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
			{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
				hw->fc = E1000_FC_RX_PAUSE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
				e_dbg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
				    ("Flow Control = RX PAUSE frames only.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
			/* Per the IEEE spec, at this point flow control should be
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
			 * disabled.  However, we want to consider that we could
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
			 * be connected to a legacy switch that doesn't advertise
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
			 * desired flow control, but can be forced on the link
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
			 * partner.  So if we advertised no flow control, that is
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
			 * what we will resolve to.  If we advertised some kind of
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
			 * receive capability (Rx Pause Only or Full Flow Control)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
			 * and the link partner advertised none, we will configure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
			 * ourselves to enable Rx Flow Control only.  We can do
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
			 * this safely for two reasons:  If the link partner really
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
			 * didn't want flow control enabled, and we enable Rx, no
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
			 * harm done since we won't be receiving any PAUSE frames
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
			 * anyway.  If the intent on the link partner was to have
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
			 * flow control enabled, then by us enabling RX only, we
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
			 * can at least receive pause frames and process them.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
			 * This is a good idea because in most cases, since we are
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
			 * predominantly a server NIC, more times than not we will
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
			 * be asked to delay transmission of packets than asking
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
			 * our link partner to pause transmission of frames.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
			 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
			else if ((hw->original_fc == E1000_FC_NONE ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
				  hw->original_fc == E1000_FC_TX_PAUSE) ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
				 hw->fc_strict_ieee) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
				hw->fc = E1000_FC_NONE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
				e_dbg("Flow Control = NONE.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
			} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
				hw->fc = E1000_FC_RX_PAUSE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
				e_dbg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
				    ("Flow Control = RX PAUSE frames only.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
			/* Now we need to do one last check...  If we auto-
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
			 * negotiated to HALF DUPLEX, flow control should not be
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
			 * enabled per IEEE 802.3 spec.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
			 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
			    e1000_get_speed_and_duplex(hw, &speed, &duplex);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
			if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
				e_dbg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
				    ("Error getting link speed and duplex\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
			if (duplex == HALF_DUPLEX)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
				hw->fc = E1000_FC_NONE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
			/* Now we call a subroutine to actually force the MAC
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
			 * controller to use the correct flow control settings.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
			 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
			ret_val = e1000_force_mac_fc(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
			if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
				e_dbg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
				    ("Error forcing flow control settings\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
			e_dbg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
			    ("Copper PHY and Auto Neg has not completed.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
 * e1000_check_for_serdes_link_generic - Check for link (Serdes)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
 * @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
 * Checks for link up on the hardware.  If link is not up and we have
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
 * a signal, then we need to force link up.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
static s32 e1000_check_for_serdes_link_generic(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
	u32 rxcw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
	u32 ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
	u32 status;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
	s32 ret_val = E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
	e_dbg("e1000_check_for_serdes_link_generic");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
	ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
	status = er32(STATUS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
	rxcw = er32(RXCW);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
	/*
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
	 * If we don't have link (auto-negotiation failed or link partner
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
	 * cannot auto-negotiate), and our link partner is not trying to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
	 * auto-negotiate with us (we are receiving idles or data),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
	 * we need to force link up. We also need to give auto-negotiation
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
	 * time to complete.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
	/* (ctrl & E1000_CTRL_SWDPIN1) == 1 == have signal */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
	if ((!(status & E1000_STATUS_LU)) && (!(rxcw & E1000_RXCW_C))) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
		if (hw->autoneg_failed == 0) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
			hw->autoneg_failed = 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
			goto out;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
		e_dbg("NOT RXing /C/, disable AutoNeg and force link.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
		/* Disable auto-negotiation in the TXCW register */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
		ew32(TXCW, (hw->txcw & ~E1000_TXCW_ANE));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
		/* Force link-up and also force full-duplex. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
		ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
		ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FD);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
		ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
		/* Configure Flow Control after forcing link up. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
		ret_val = e1000_config_fc_after_link_up(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
			e_dbg("Error configuring flow control\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
			goto out;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
	} else if ((ctrl & E1000_CTRL_SLU) && (rxcw & E1000_RXCW_C)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
		/*
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
		 * If we are forcing link and we are receiving /C/ ordered
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
		 * sets, re-enable auto-negotiation in the TXCW register
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
		 * and disable forced link in the Device Control register
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
		 * in an attempt to auto-negotiate with our link partner.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
		e_dbg("RXing /C/, enable AutoNeg and stop forcing link.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
		ew32(TXCW, hw->txcw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
		ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
		hw->serdes_has_link = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
	} else if (!(E1000_TXCW_ANE & er32(TXCW))) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
		/*
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
		 * If we force link for non-auto-negotiation switch, check
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
		 * link status based on MAC synchronization for internal
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
		 * serdes media type.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
		/* SYNCH bit and IV bit are sticky. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
		udelay(10);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
		rxcw = er32(RXCW);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
		if (rxcw & E1000_RXCW_SYNCH) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
			if (!(rxcw & E1000_RXCW_IV)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
				hw->serdes_has_link = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
				e_dbg("SERDES: Link up - forced.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
			hw->serdes_has_link = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
			e_dbg("SERDES: Link down - force failed.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
	if (E1000_TXCW_ANE & er32(TXCW)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
		status = er32(STATUS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
		if (status & E1000_STATUS_LU) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
			/* SYNCH bit and IV bit are sticky, so reread rxcw. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
			udelay(10);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
			rxcw = er32(RXCW);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
			if (rxcw & E1000_RXCW_SYNCH) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
				if (!(rxcw & E1000_RXCW_IV)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
					hw->serdes_has_link = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
					e_dbg("SERDES: Link up - autoneg "
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
						 "completed successfully.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
				} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
					hw->serdes_has_link = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
					e_dbg("SERDES: Link down - invalid"
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
						 "codewords detected in autoneg.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
				}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
			} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
				hw->serdes_has_link = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
				e_dbg("SERDES: Link down - no sync.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
			hw->serdes_has_link = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
			e_dbg("SERDES: Link down - autoneg failed\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
      out:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
	return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
 * e1000_check_for_link
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
 * Checks to see if the link status of the hardware has changed.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
 * Called by any function that needs to check the link status of the adapter.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
s32 e1000_check_for_link(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
	u32 rxcw = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
	u32 ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
	u32 status;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
	u32 rctl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
	u32 icr;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
	u32 signal = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
	u16 phy_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
	e_dbg("e1000_check_for_link");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
	ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
	status = er32(STATUS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
	/* On adapters with a MAC newer than 82544, SW Definable pin 1 will be
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
	 * set when the optics detect a signal. On older adapters, it will be
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
	 * cleared when there is a signal.  This applies to fiber media only.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
	if ((hw->media_type == e1000_media_type_fiber) ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
	    (hw->media_type == e1000_media_type_internal_serdes)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
		rxcw = er32(RXCW);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
		if (hw->media_type == e1000_media_type_fiber) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
			signal =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
			    (hw->mac_type >
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
			     e1000_82544) ? E1000_CTRL_SWDPIN1 : 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
			if (status & E1000_STATUS_LU)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
				hw->get_link_status = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
	/* If we have a copper PHY then we only want to go out to the PHY
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
	 * registers to see if Auto-Neg has completed and/or if our link
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
	 * status has changed.  The get_link_status flag will be set if we
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
	 * receive a Link Status Change interrupt or we have Rx Sequence
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
	 * Errors.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
	if ((hw->media_type == e1000_media_type_copper) && hw->get_link_status) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
		/* First we want to see if the MII Status Register reports
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
		 * link.  If so, then we want to get the current speed/duplex
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
		 * of the PHY.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
		 * Read the register twice since the link bit is sticky.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
		if (phy_data & MII_SR_LINK_STATUS) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
			hw->get_link_status = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
			/* Check if there was DownShift, must be checked immediately after
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
			 * link-up */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
			e1000_check_downshift(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
			/* If we are on 82544 or 82543 silicon and speed/duplex
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
			 * are forced to 10H or 10F, then we will implement the polarity
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
			 * reversal workaround.  We disable interrupts first, and upon
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
			 * returning, place the devices interrupt state to its previous
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
			 * value except for the link status change interrupt which will
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
			 * happen due to the execution of this workaround.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
			 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
			if ((hw->mac_type == e1000_82544
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
			     || hw->mac_type == e1000_82543) && (!hw->autoneg)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
			    && (hw->forced_speed_duplex == e1000_10_full
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
				|| hw->forced_speed_duplex == e1000_10_half)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
				ew32(IMC, 0xffffffff);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
				ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
				    e1000_polarity_reversal_workaround(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
				icr = er32(ICR);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
				ew32(ICS, (icr & ~E1000_ICS_LSC));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
				ew32(IMS, IMS_ENABLE_MASK);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
			/* No link detected */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
			e1000_config_dsp_after_link_change(hw, false);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
			return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
		/* If we are forcing speed/duplex, then we simply return since
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
		 * we have already determined whether we have link or not.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
		if (!hw->autoneg)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
			return -E1000_ERR_CONFIG;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
		/* optimize the dsp settings for the igp phy */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
		e1000_config_dsp_after_link_change(hw, true);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
		/* We have a M88E1000 PHY and Auto-Neg is enabled.  If we
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
		 * have Si on board that is 82544 or newer, Auto
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
		 * Speed Detection takes care of MAC speed/duplex
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
		 * configuration.  So we only need to configure Collision
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
		 * Distance in the MAC.  Otherwise, we need to force
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
		 * speed/duplex on the MAC to the current PHY speed/duplex
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
		 * settings.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
		if ((hw->mac_type >= e1000_82544) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
		    (hw->mac_type != e1000_ce4100))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
			e1000_config_collision_dist(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
		else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
			ret_val = e1000_config_mac_to_phy(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
			if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
				e_dbg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
				    ("Error configuring MAC to PHY settings\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
		/* Configure Flow Control now that Auto-Neg has completed. First, we
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
		 * need to restore the desired flow control settings because we may
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
		 * have had to re-autoneg with a different link partner.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
		ret_val = e1000_config_fc_after_link_up(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
			e_dbg("Error configuring flow control\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
		/* At this point we know that we are on copper and we have
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
		 * auto-negotiated link.  These are conditions for checking the link
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
		 * partner capability register.  We use the link speed to determine if
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
		 * TBI compatibility needs to be turned on or off.  If the link is not
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
		 * at gigabit speed, then TBI compatibility is not needed.  If we are
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
		 * at gigabit speed, we turn on TBI compatibility.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
		if (hw->tbi_compatibility_en) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
			u16 speed, duplex;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
			    e1000_get_speed_and_duplex(hw, &speed, &duplex);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
			if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
				e_dbg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
				    ("Error getting link speed and duplex\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
			if (speed != SPEED_1000) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
				/* If link speed is not set to gigabit speed, we do not need
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
				 * to enable TBI compatibility.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
				 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
				if (hw->tbi_compatibility_on) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
					/* If we previously were in the mode, turn it off. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
					rctl = er32(RCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
					rctl &= ~E1000_RCTL_SBP;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
					ew32(RCTL, rctl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
					hw->tbi_compatibility_on = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
				}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
			} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
				/* If TBI compatibility is was previously off, turn it on. For
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
				 * compatibility with a TBI link partner, we will store bad
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
				 * packets. Some frames have an additional byte on the end and
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
				 * will look like CRC errors to to the hardware.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
				 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
				if (!hw->tbi_compatibility_on) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
					hw->tbi_compatibility_on = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
					rctl = er32(RCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
					rctl |= E1000_RCTL_SBP;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
					ew32(RCTL, rctl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
				}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
	if ((hw->media_type == e1000_media_type_fiber) ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
	    (hw->media_type == e1000_media_type_internal_serdes))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
		e1000_check_for_serdes_link_generic(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
 * e1000_get_speed_and_duplex
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
 * @speed: Speed of the connection
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
 * @duplex: Duplex setting of the connection
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
 * Detects the current speed and duplex settings of the hardware.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
s32 e1000_get_speed_and_duplex(struct e1000_hw *hw, u16 *speed, u16 *duplex)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
	u32 status;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
	u16 phy_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
	e_dbg("e1000_get_speed_and_duplex");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
	if (hw->mac_type >= e1000_82543) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
		status = er32(STATUS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
		if (status & E1000_STATUS_SPEED_1000) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
			*speed = SPEED_1000;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
			e_dbg("1000 Mbs, ");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
		} else if (status & E1000_STATUS_SPEED_100) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
			*speed = SPEED_100;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
			e_dbg("100 Mbs, ");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
			*speed = SPEED_10;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
			e_dbg("10 Mbs, ");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
		if (status & E1000_STATUS_FD) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
			*duplex = FULL_DUPLEX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
			e_dbg("Full Duplex\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
			*duplex = HALF_DUPLEX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
			e_dbg(" Half Duplex\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
		e_dbg("1000 Mbs, Full Duplex\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
		*speed = SPEED_1000;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
		*duplex = FULL_DUPLEX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
	/* IGP01 PHY may advertise full duplex operation after speed downgrade even
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
	 * if it is operating at half duplex.  Here we set the duplex settings to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
	 * match the duplex in the link partner's capabilities.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
	if (hw->phy_type == e1000_phy_igp && hw->speed_downgraded) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
		ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_EXP, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
		if (!(phy_data & NWAY_ER_LP_NWAY_CAPS))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
			*duplex = HALF_DUPLEX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
		else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
			    e1000_read_phy_reg(hw, PHY_LP_ABILITY, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
			if ((*speed == SPEED_100
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
			     && !(phy_data & NWAY_LPAR_100TX_FD_CAPS))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
			    || (*speed == SPEED_10
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
				&& !(phy_data & NWAY_LPAR_10T_FD_CAPS)))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
				*duplex = HALF_DUPLEX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
 * e1000_wait_autoneg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
 * Blocks until autoneg completes or times out (~4.5 seconds)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
static s32 e1000_wait_autoneg(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
	u16 i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
	u16 phy_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
	e_dbg("e1000_wait_autoneg");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
	e_dbg("Waiting for Auto-Neg to complete.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
	/* We will wait for autoneg to complete or 4.5 seconds to expire. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
	for (i = PHY_AUTO_NEG_TIME; i > 0; i--) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
		/* Read the MII Status Register and wait for Auto-Neg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
		 * Complete bit to be set.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
		if (phy_data & MII_SR_AUTONEG_COMPLETE) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
			return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
		msleep(100);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
 * e1000_raise_mdi_clk - Raises the Management Data Clock
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
 * @ctrl: Device control register's current value
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
static void e1000_raise_mdi_clk(struct e1000_hw *hw, u32 *ctrl)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
	/* Raise the clock input to the Management Data Clock (by setting the MDC
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
	 * bit), and then delay 10 microseconds.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
	ew32(CTRL, (*ctrl | E1000_CTRL_MDC));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
	E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
	udelay(10);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
 * e1000_lower_mdi_clk - Lowers the Management Data Clock
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
 * @ctrl: Device control register's current value
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
static void e1000_lower_mdi_clk(struct e1000_hw *hw, u32 *ctrl)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
	/* Lower the clock input to the Management Data Clock (by clearing the MDC
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
	 * bit), and then delay 10 microseconds.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
	ew32(CTRL, (*ctrl & ~E1000_CTRL_MDC));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
	E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
	udelay(10);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
 * e1000_shift_out_mdi_bits - Shifts data bits out to the PHY
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
 * @data: Data to send out to the PHY
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
 * @count: Number of bits to shift out
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
 * Bits are shifted out in MSB to LSB order.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
static void e1000_shift_out_mdi_bits(struct e1000_hw *hw, u32 data, u16 count)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
	u32 ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
	u32 mask;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
	/* We need to shift "count" number of bits out to the PHY. So, the value
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
	 * in the "data" parameter will be shifted out to the PHY one bit at a
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
	 * time. In order to do this, "data" must be broken down into bits.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
	mask = 0x01;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
	mask <<= (count - 1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
	ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
	/* Set MDIO_DIR and MDC_DIR direction bits to be used as output pins. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
	ctrl |= (E1000_CTRL_MDIO_DIR | E1000_CTRL_MDC_DIR);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
	while (mask) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
		/* A "1" is shifted out to the PHY by setting the MDIO bit to "1" and
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
		 * then raising and lowering the Management Data Clock. A "0" is
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
		 * shifted out to the PHY by setting the MDIO bit to "0" and then
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
		 * raising and lowering the clock.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
		if (data & mask)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
			ctrl |= E1000_CTRL_MDIO;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
		else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
			ctrl &= ~E1000_CTRL_MDIO;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
		ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
		udelay(10);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
		e1000_raise_mdi_clk(hw, &ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
		e1000_lower_mdi_clk(hw, &ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
		mask = mask >> 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
 * e1000_shift_in_mdi_bits - Shifts data bits in from the PHY
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
 * Bits are shifted in in MSB to LSB order.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
static u16 e1000_shift_in_mdi_bits(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
	u32 ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
	u16 data = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
	u8 i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
	/* In order to read a register from the PHY, we need to shift in a total
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
	 * of 18 bits from the PHY. The first two bit (turnaround) times are used
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
	 * to avoid contention on the MDIO pin when a read operation is performed.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
	 * These two bits are ignored by us and thrown away. Bits are "shifted in"
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
	 * by raising the input to the Management Data Clock (setting the MDC bit),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
	 * and then reading the value of the MDIO bit.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
	ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
	/* Clear MDIO_DIR (SWDPIO1) to indicate this bit is to be used as input. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
	ctrl &= ~E1000_CTRL_MDIO_DIR;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
	ctrl &= ~E1000_CTRL_MDIO;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
	ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
	E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
	/* Raise and Lower the clock before reading in the data. This accounts for
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
	 * the turnaround bits. The first clock occurred when we clocked out the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
	 * last bit of the Register Address.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
	e1000_raise_mdi_clk(hw, &ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
	e1000_lower_mdi_clk(hw, &ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
	for (data = 0, i = 0; i < 16; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
		data = data << 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
		e1000_raise_mdi_clk(hw, &ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
		ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
		/* Check to see if we shifted in a "1". */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
		if (ctrl & E1000_CTRL_MDIO)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
			data |= 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
		e1000_lower_mdi_clk(hw, &ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
	e1000_raise_mdi_clk(hw, &ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
	e1000_lower_mdi_clk(hw, &ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
	return data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
 * e1000_read_phy_reg - read a phy register
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
 * @reg_addr: address of the PHY register to read
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
 * Reads the value from a PHY register, if the value is on a specific non zero
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
 * page, sets the page first.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
s32 e1000_read_phy_reg(struct e1000_hw *hw, u32 reg_addr, u16 *phy_data)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
	u32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
	unsigned long flags;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
	e_dbg("e1000_read_phy_reg");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
	spin_lock_irqsave(&e1000_phy_lock, flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
	if ((hw->phy_type == e1000_phy_igp) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
	    (reg_addr > MAX_PHY_MULTI_PAGE_REG)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
		ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
						 (u16) reg_addr);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
			spin_unlock_irqrestore(&e1000_phy_lock, flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
	ret_val = e1000_read_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
					phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
	spin_unlock_irqrestore(&e1000_phy_lock, flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
	return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
static s32 e1000_read_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
				 u16 *phy_data)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
	u32 i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
	u32 mdic = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
	const u32 phy_addr = (hw->mac_type == e1000_ce4100) ? hw->phy_addr : 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
	e_dbg("e1000_read_phy_reg_ex");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
	if (reg_addr > MAX_PHY_REG_ADDRESS) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
		e_dbg("PHY Address %d is out of range\n", reg_addr);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
		return -E1000_ERR_PARAM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
	if (hw->mac_type > e1000_82543) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
		/* Set up Op-code, Phy Address, and register address in the MDI
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
		 * Control register.  The MAC will take care of interfacing with the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
		 * PHY to retrieve the desired data.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
		if (hw->mac_type == e1000_ce4100) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
			mdic = ((reg_addr << E1000_MDIC_REG_SHIFT) |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
				(phy_addr << E1000_MDIC_PHY_SHIFT) |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
				(INTEL_CE_GBE_MDIC_OP_READ) |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
				(INTEL_CE_GBE_MDIC_GO));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
			writel(mdic, E1000_MDIO_CMD);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
			/* Poll the ready bit to see if the MDI read
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
			 * completed
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
			 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
			for (i = 0; i < 64; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
				udelay(50);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
				mdic = readl(E1000_MDIO_CMD);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
				if (!(mdic & INTEL_CE_GBE_MDIC_GO))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
					break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
			if (mdic & INTEL_CE_GBE_MDIC_GO) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
				e_dbg("MDI Read did not complete\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
				return -E1000_ERR_PHY;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
			mdic = readl(E1000_MDIO_STS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
			if (mdic & INTEL_CE_GBE_MDIC_READ_ERROR) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
				e_dbg("MDI Read Error\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
				return -E1000_ERR_PHY;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
			*phy_data = (u16) mdic;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
			mdic = ((reg_addr << E1000_MDIC_REG_SHIFT) |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
				(phy_addr << E1000_MDIC_PHY_SHIFT) |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
				(E1000_MDIC_OP_READ));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
			ew32(MDIC, mdic);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
			/* Poll the ready bit to see if the MDI read
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
			 * completed
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
			 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
			for (i = 0; i < 64; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
				udelay(50);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
				mdic = er32(MDIC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
				if (mdic & E1000_MDIC_READY)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
					break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
			if (!(mdic & E1000_MDIC_READY)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
				e_dbg("MDI Read did not complete\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
				return -E1000_ERR_PHY;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
			if (mdic & E1000_MDIC_ERROR) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
				e_dbg("MDI Error\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
				return -E1000_ERR_PHY;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
			*phy_data = (u16) mdic;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
		/* We must first send a preamble through the MDIO pin to signal the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
		 * beginning of an MII instruction.  This is done by sending 32
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
		 * consecutive "1" bits.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
		e1000_shift_out_mdi_bits(hw, PHY_PREAMBLE, PHY_PREAMBLE_SIZE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
		/* Now combine the next few fields that are required for a read
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
		 * operation.  We use this method instead of calling the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
		 * e1000_shift_out_mdi_bits routine five different times. The format of
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
		 * a MII read instruction consists of a shift out of 14 bits and is
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
		 * defined as follows:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
		 *    <Preamble><SOF><Op Code><Phy Addr><Reg Addr>
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
		 * followed by a shift in of 18 bits.  This first two bits shifted in
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
		 * are TurnAround bits used to avoid contention on the MDIO pin when a
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
		 * READ operation is performed.  These two bits are thrown away
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
		 * followed by a shift in of 16 bits which contains the desired data.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
		mdic = ((reg_addr) | (phy_addr << 5) |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
			(PHY_OP_READ << 10) | (PHY_SOF << 12));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
		e1000_shift_out_mdi_bits(hw, mdic, 14);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
		/* Now that we've shifted out the read command to the MII, we need to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
		 * "shift in" the 16-bit value (18 total bits) of the requested PHY
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
		 * register address.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
		*phy_data = e1000_shift_in_mdi_bits(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
 * e1000_write_phy_reg - write a phy register
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
 * @reg_addr: address of the PHY register to write
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
 * @data: data to write to the PHY
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
 * Writes a value to a PHY register
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 reg_addr, u16 phy_data)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
	u32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
	unsigned long flags;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
	e_dbg("e1000_write_phy_reg");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
	spin_lock_irqsave(&e1000_phy_lock, flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
	if ((hw->phy_type == e1000_phy_igp) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
	    (reg_addr > MAX_PHY_MULTI_PAGE_REG)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
		ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
						 (u16) reg_addr);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
			spin_unlock_irqrestore(&e1000_phy_lock, flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
	ret_val = e1000_write_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
					 phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
	spin_unlock_irqrestore(&e1000_phy_lock, flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
	return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
static s32 e1000_write_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
				  u16 phy_data)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
	u32 i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
	u32 mdic = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
	const u32 phy_addr = (hw->mac_type == e1000_ce4100) ? hw->phy_addr : 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
	e_dbg("e1000_write_phy_reg_ex");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
	if (reg_addr > MAX_PHY_REG_ADDRESS) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
		e_dbg("PHY Address %d is out of range\n", reg_addr);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
		return -E1000_ERR_PARAM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
	if (hw->mac_type > e1000_82543) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
		/* Set up Op-code, Phy Address, register address, and data
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
		 * intended for the PHY register in the MDI Control register.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
		 * The MAC will take care of interfacing with the PHY to send
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
		 * the desired data.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
		if (hw->mac_type == e1000_ce4100) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
			mdic = (((u32) phy_data) |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
				(reg_addr << E1000_MDIC_REG_SHIFT) |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
				(phy_addr << E1000_MDIC_PHY_SHIFT) |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
				(INTEL_CE_GBE_MDIC_OP_WRITE) |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
				(INTEL_CE_GBE_MDIC_GO));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
			writel(mdic, E1000_MDIO_CMD);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
			/* Poll the ready bit to see if the MDI read
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
			 * completed
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
			 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
			for (i = 0; i < 640; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
				udelay(5);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
				mdic = readl(E1000_MDIO_CMD);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
				if (!(mdic & INTEL_CE_GBE_MDIC_GO))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
					break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
			if (mdic & INTEL_CE_GBE_MDIC_GO) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
				e_dbg("MDI Write did not complete\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
				return -E1000_ERR_PHY;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
			mdic = (((u32) phy_data) |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
				(reg_addr << E1000_MDIC_REG_SHIFT) |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
				(phy_addr << E1000_MDIC_PHY_SHIFT) |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
				(E1000_MDIC_OP_WRITE));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
			ew32(MDIC, mdic);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
			/* Poll the ready bit to see if the MDI read
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
			 * completed
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
			 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
			for (i = 0; i < 641; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
				udelay(5);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
				mdic = er32(MDIC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
				if (mdic & E1000_MDIC_READY)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
					break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
			if (!(mdic & E1000_MDIC_READY)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
				e_dbg("MDI Write did not complete\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
				return -E1000_ERR_PHY;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
		/* We'll need to use the SW defined pins to shift the write command
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
		 * out to the PHY. We first send a preamble to the PHY to signal the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
		 * beginning of the MII instruction.  This is done by sending 32
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
		 * consecutive "1" bits.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
		e1000_shift_out_mdi_bits(hw, PHY_PREAMBLE, PHY_PREAMBLE_SIZE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
		/* Now combine the remaining required fields that will indicate a
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
		 * write operation. We use this method instead of calling the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
		 * e1000_shift_out_mdi_bits routine for each field in the command. The
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
		 * format of a MII write instruction is as follows:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
		 * <Preamble><SOF><Op Code><Phy Addr><Reg Addr><Turnaround><Data>.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
		mdic = ((PHY_TURNAROUND) | (reg_addr << 2) | (phy_addr << 7) |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
			(PHY_OP_WRITE << 12) | (PHY_SOF << 14));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
		mdic <<= 16;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
		mdic |= (u32) phy_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
		e1000_shift_out_mdi_bits(hw, mdic, 32);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
 * e1000_phy_hw_reset - reset the phy, hardware style
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
 * Returns the PHY to the power-on reset state
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
s32 e1000_phy_hw_reset(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
	u32 ctrl, ctrl_ext;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
	u32 led_ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
	e_dbg("e1000_phy_hw_reset");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
	e_dbg("Resetting Phy...\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
	if (hw->mac_type > e1000_82543) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
		/* Read the device control register and assert the E1000_CTRL_PHY_RST
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
		 * bit. Then, take it out of reset.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
		 * For e1000 hardware, we delay for 10ms between the assert
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
		 * and deassert.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
		ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
		ew32(CTRL, ctrl | E1000_CTRL_PHY_RST);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
		msleep(10);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
		ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
		/* Read the Extended Device Control Register, assert the PHY_RESET_DIR
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
		 * bit to put the PHY into reset. Then, take it out of reset.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
		ctrl_ext = er32(CTRL_EXT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
		ctrl_ext |= E1000_CTRL_EXT_SDP4_DIR;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
		ctrl_ext &= ~E1000_CTRL_EXT_SDP4_DATA;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
		ew32(CTRL_EXT, ctrl_ext);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
		msleep(10);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
		ctrl_ext |= E1000_CTRL_EXT_SDP4_DATA;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
		ew32(CTRL_EXT, ctrl_ext);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
	udelay(150);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
	if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
		/* Configure activity LED after PHY reset */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
		led_ctrl = er32(LEDCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
		led_ctrl &= IGP_ACTIVITY_LED_MASK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
		led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
		ew32(LEDCTL, led_ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
	/* Wait for FW to finish PHY configuration. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
	return e1000_get_phy_cfg_done(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
 * e1000_phy_reset - reset the phy to commit settings
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
 * Resets the PHY
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
 * Sets bit 15 of the MII Control register
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
s32 e1000_phy_reset(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
	u16 phy_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
	e_dbg("e1000_phy_reset");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
	switch (hw->phy_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
	case e1000_phy_igp:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
		ret_val = e1000_phy_hw_reset(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
		ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
		phy_data |= MII_CR_RESET;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
		ret_val = e1000_write_phy_reg(hw, PHY_CTRL, phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
		udelay(1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
	if (hw->phy_type == e1000_phy_igp)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
		e1000_phy_init_script(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
 * e1000_detect_gig_phy - check the phy type
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
 * Probes the expected PHY address for known PHY IDs
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
static s32 e1000_detect_gig_phy(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
	s32 phy_init_status, ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	u16 phy_id_high, phy_id_low;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
	bool match = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
	e_dbg("e1000_detect_gig_phy");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
	if (hw->phy_id != 0)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
		return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
	/* Read the PHY ID Registers to identify which PHY is onboard. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
	ret_val = e1000_read_phy_reg(hw, PHY_ID1, &phy_id_high);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
	hw->phy_id = (u32) (phy_id_high << 16);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
	udelay(20);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
	ret_val = e1000_read_phy_reg(hw, PHY_ID2, &phy_id_low);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
	hw->phy_id |= (u32) (phy_id_low & PHY_REVISION_MASK);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
	hw->phy_revision = (u32) phy_id_low & ~PHY_REVISION_MASK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
	switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
	case e1000_82543:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
		if (hw->phy_id == M88E1000_E_PHY_ID)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
			match = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
	case e1000_82544:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
		if (hw->phy_id == M88E1000_I_PHY_ID)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
			match = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
	case e1000_82540:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
	case e1000_82545:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
	case e1000_82545_rev_3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
	case e1000_82546:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
	case e1000_82546_rev_3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
		if (hw->phy_id == M88E1011_I_PHY_ID)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
			match = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
	case e1000_ce4100:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
		if ((hw->phy_id == RTL8211B_PHY_ID) ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
		    (hw->phy_id == RTL8201N_PHY_ID) ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
		    (hw->phy_id == M88E1118_E_PHY_ID))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
			match = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
	case e1000_82541:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
	case e1000_82541_rev_2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
	case e1000_82547:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
	case e1000_82547_rev_2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
		if (hw->phy_id == IGP01E1000_I_PHY_ID)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
			match = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
		e_dbg("Invalid MAC type %d\n", hw->mac_type);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
		return -E1000_ERR_CONFIG;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
	phy_init_status = e1000_set_phy_type(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
	if ((match) && (phy_init_status == E1000_SUCCESS)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
		e_dbg("PHY ID 0x%X detected\n", hw->phy_id);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
		return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
	e_dbg("Invalid PHY ID 0x%X\n", hw->phy_id);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
	return -E1000_ERR_PHY;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
 * e1000_phy_reset_dsp - reset DSP
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
 * Resets the PHY's DSP
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
static s32 e1000_phy_reset_dsp(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
	e_dbg("e1000_phy_reset_dsp");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
	do {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
		ret_val = e1000_write_phy_reg(hw, 29, 0x001d);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
		ret_val = e1000_write_phy_reg(hw, 30, 0x00c1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
		ret_val = e1000_write_phy_reg(hw, 30, 0x0000);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
		ret_val = E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
	} while (0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
	return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
 * e1000_phy_igp_get_info - get igp specific registers
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
 * @phy_info: PHY information structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
 * Get PHY information from various PHY registers for igp PHY only.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
static s32 e1000_phy_igp_get_info(struct e1000_hw *hw,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
				  struct e1000_phy_info *phy_info)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
	u16 phy_data, min_length, max_length, average;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
	e1000_rev_polarity polarity;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
	e_dbg("e1000_phy_igp_get_info");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
	/* The downshift status is checked only once, after link is established,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
	 * and it stored in the hw->speed_downgraded parameter. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
	phy_info->downshift = (e1000_downshift) hw->speed_downgraded;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
	/* IGP01E1000 does not need to support it. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
	phy_info->extended_10bt_distance = e1000_10bt_ext_dist_enable_normal;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
	/* IGP01E1000 always correct polarity reversal */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
	phy_info->polarity_correction = e1000_polarity_reversal_enabled;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
	/* Check polarity status */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
	ret_val = e1000_check_polarity(hw, &polarity);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
	phy_info->cable_polarity = polarity;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
	ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
	phy_info->mdix_mode =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
	    (e1000_auto_x_mode) ((phy_data & IGP01E1000_PSSR_MDIX) >>
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
				 IGP01E1000_PSSR_MDIX_SHIFT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
	if ((phy_data & IGP01E1000_PSSR_SPEED_MASK) ==
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
	    IGP01E1000_PSSR_SPEED_1000MBPS) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
		/* Local/Remote Receiver Information are only valid at 1000 Mbps */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
		ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
		phy_info->local_rx = ((phy_data & SR_1000T_LOCAL_RX_STATUS) >>
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
				      SR_1000T_LOCAL_RX_STATUS_SHIFT) ?
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
		    e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
		phy_info->remote_rx = ((phy_data & SR_1000T_REMOTE_RX_STATUS) >>
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
				       SR_1000T_REMOTE_RX_STATUS_SHIFT) ?
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
		    e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
		/* Get cable length */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
		ret_val = e1000_get_cable_length(hw, &min_length, &max_length);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
		/* Translate to old method */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
		average = (max_length + min_length) / 2;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
		if (average <= e1000_igp_cable_length_50)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
			phy_info->cable_length = e1000_cable_length_50;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
		else if (average <= e1000_igp_cable_length_80)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
			phy_info->cable_length = e1000_cable_length_50_80;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
		else if (average <= e1000_igp_cable_length_110)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
			phy_info->cable_length = e1000_cable_length_80_110;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
		else if (average <= e1000_igp_cable_length_140)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
			phy_info->cable_length = e1000_cable_length_110_140;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
		else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
			phy_info->cable_length = e1000_cable_length_140;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
 * e1000_phy_m88_get_info - get m88 specific registers
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
 * @phy_info: PHY information structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
 * Get PHY information from various PHY registers for m88 PHY only.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
static s32 e1000_phy_m88_get_info(struct e1000_hw *hw,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
				  struct e1000_phy_info *phy_info)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	u16 phy_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
	e1000_rev_polarity polarity;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
	e_dbg("e1000_phy_m88_get_info");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
	/* The downshift status is checked only once, after link is established,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
	 * and it stored in the hw->speed_downgraded parameter. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
	phy_info->downshift = (e1000_downshift) hw->speed_downgraded;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
	phy_info->extended_10bt_distance =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
	    ((phy_data & M88E1000_PSCR_10BT_EXT_DIST_ENABLE) >>
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
	     M88E1000_PSCR_10BT_EXT_DIST_ENABLE_SHIFT) ?
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
	    e1000_10bt_ext_dist_enable_lower :
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
	    e1000_10bt_ext_dist_enable_normal;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
	phy_info->polarity_correction =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
	    ((phy_data & M88E1000_PSCR_POLARITY_REVERSAL) >>
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
	     M88E1000_PSCR_POLARITY_REVERSAL_SHIFT) ?
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
	    e1000_polarity_reversal_disabled : e1000_polarity_reversal_enabled;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
	/* Check polarity status */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
	ret_val = e1000_check_polarity(hw, &polarity);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
	phy_info->cable_polarity = polarity;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
	phy_info->mdix_mode =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
	    (e1000_auto_x_mode) ((phy_data & M88E1000_PSSR_MDIX) >>
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
				 M88E1000_PSSR_MDIX_SHIFT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
	if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
		/* Cable Length Estimation and Local/Remote Receiver Information
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
		 * are only valid at 1000 Mbps.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
		phy_info->cable_length =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
		    (e1000_cable_length) ((phy_data &
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
					   M88E1000_PSSR_CABLE_LENGTH) >>
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
					  M88E1000_PSSR_CABLE_LENGTH_SHIFT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
		ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
		phy_info->local_rx = ((phy_data & SR_1000T_LOCAL_RX_STATUS) >>
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
				      SR_1000T_LOCAL_RX_STATUS_SHIFT) ?
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
		    e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
		phy_info->remote_rx = ((phy_data & SR_1000T_REMOTE_RX_STATUS) >>
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
				       SR_1000T_REMOTE_RX_STATUS_SHIFT) ?
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
		    e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
 * e1000_phy_get_info - request phy info
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
 * @phy_info: PHY information structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
 * Get PHY information from various PHY registers
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
s32 e1000_phy_get_info(struct e1000_hw *hw, struct e1000_phy_info *phy_info)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
	u16 phy_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
	e_dbg("e1000_phy_get_info");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
	phy_info->cable_length = e1000_cable_length_undefined;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
	phy_info->extended_10bt_distance = e1000_10bt_ext_dist_enable_undefined;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
	phy_info->cable_polarity = e1000_rev_polarity_undefined;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	phy_info->downshift = e1000_downshift_undefined;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
	phy_info->polarity_correction = e1000_polarity_reversal_undefined;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
	phy_info->mdix_mode = e1000_auto_x_mode_undefined;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
	phy_info->local_rx = e1000_1000t_rx_status_undefined;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
	phy_info->remote_rx = e1000_1000t_rx_status_undefined;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
	if (hw->media_type != e1000_media_type_copper) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
		e_dbg("PHY info is only valid for copper media\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
		return -E1000_ERR_CONFIG;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
	if ((phy_data & MII_SR_LINK_STATUS) != MII_SR_LINK_STATUS) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
		e_dbg("PHY info is only valid if link is up\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
		return -E1000_ERR_CONFIG;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
	if (hw->phy_type == e1000_phy_igp)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
		return e1000_phy_igp_get_info(hw, phy_info);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
	else if ((hw->phy_type == e1000_phy_8211) ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
	         (hw->phy_type == e1000_phy_8201))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
		return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
	else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
		return e1000_phy_m88_get_info(hw, phy_info);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
s32 e1000_validate_mdi_setting(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
	e_dbg("e1000_validate_mdi_settings");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
	if (!hw->autoneg && (hw->mdix == 0 || hw->mdix == 3)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
		e_dbg("Invalid MDI setting detected\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
		hw->mdix = 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
		return -E1000_ERR_CONFIG;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
 * e1000_init_eeprom_params - initialize sw eeprom vars
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
 * Sets up eeprom variables in the hw struct.  Must be called after mac_type
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
 * is configured.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
s32 e1000_init_eeprom_params(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
	u32 eecd = er32(EECD);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
	s32 ret_val = E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
	u16 eeprom_size;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
	e_dbg("e1000_init_eeprom_params");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
	switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
	case e1000_82542_rev2_0:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
	case e1000_82542_rev2_1:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
	case e1000_82543:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
	case e1000_82544:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
		eeprom->type = e1000_eeprom_microwire;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
		eeprom->word_size = 64;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
		eeprom->opcode_bits = 3;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
		eeprom->address_bits = 6;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
		eeprom->delay_usec = 50;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
	case e1000_82540:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
	case e1000_82545:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
	case e1000_82545_rev_3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
	case e1000_82546:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
	case e1000_82546_rev_3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
		eeprom->type = e1000_eeprom_microwire;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
		eeprom->opcode_bits = 3;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
		eeprom->delay_usec = 50;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
		if (eecd & E1000_EECD_SIZE) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
			eeprom->word_size = 256;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
			eeprom->address_bits = 8;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
			eeprom->word_size = 64;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
			eeprom->address_bits = 6;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
	case e1000_82541:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
	case e1000_82541_rev_2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
	case e1000_82547:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
	case e1000_82547_rev_2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
		if (eecd & E1000_EECD_TYPE) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
			eeprom->type = e1000_eeprom_spi;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
			eeprom->opcode_bits = 8;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
			eeprom->delay_usec = 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
			if (eecd & E1000_EECD_ADDR_BITS) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
				eeprom->page_size = 32;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
				eeprom->address_bits = 16;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
			} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
				eeprom->page_size = 8;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
				eeprom->address_bits = 8;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
			eeprom->type = e1000_eeprom_microwire;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
			eeprom->opcode_bits = 3;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
			eeprom->delay_usec = 50;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
			if (eecd & E1000_EECD_ADDR_BITS) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
				eeprom->word_size = 256;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
				eeprom->address_bits = 8;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
			} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
				eeprom->word_size = 64;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
				eeprom->address_bits = 6;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
	if (eeprom->type == e1000_eeprom_spi) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
		/* eeprom_size will be an enum [0..8] that maps to eeprom sizes 128B to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
		 * 32KB (incremented by powers of 2).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
		/* Set to default value for initial eeprom read. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
		eeprom->word_size = 64;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
		ret_val = e1000_read_eeprom(hw, EEPROM_CFG, 1, &eeprom_size);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
		eeprom_size =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
		    (eeprom_size & EEPROM_SIZE_MASK) >> EEPROM_SIZE_SHIFT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
		/* 256B eeprom size was not supported in earlier hardware, so we
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
		 * bump eeprom_size up one to ensure that "1" (which maps to 256B)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
		 * is never the result used in the shifting logic below. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
		if (eeprom_size)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
			eeprom_size++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
		eeprom->word_size = 1 << (eeprom_size + EEPROM_WORD_SIZE_SHIFT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
	return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
 * e1000_raise_ee_clk - Raises the EEPROM's clock input.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
 * @eecd: EECD's current value
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
static void e1000_raise_ee_clk(struct e1000_hw *hw, u32 *eecd)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
	/* Raise the clock input to the EEPROM (by setting the SK bit), and then
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
	 * wait <delay> microseconds.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
	*eecd = *eecd | E1000_EECD_SK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
	ew32(EECD, *eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
	E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
	udelay(hw->eeprom.delay_usec);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
 * e1000_lower_ee_clk - Lowers the EEPROM's clock input.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
 * @eecd: EECD's current value
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
static void e1000_lower_ee_clk(struct e1000_hw *hw, u32 *eecd)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
	/* Lower the clock input to the EEPROM (by clearing the SK bit), and then
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
	 * wait 50 microseconds.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
	*eecd = *eecd & ~E1000_EECD_SK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
	ew32(EECD, *eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
	E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
	udelay(hw->eeprom.delay_usec);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
 * e1000_shift_out_ee_bits - Shift data bits out to the EEPROM.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
 * @data: data to send to the EEPROM
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
 * @count: number of bits to shift out
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
static void e1000_shift_out_ee_bits(struct e1000_hw *hw, u16 data, u16 count)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
	u32 eecd;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
	u32 mask;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
	/* We need to shift "count" bits out to the EEPROM. So, value in the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	 * "data" parameter will be shifted out to the EEPROM one bit at a time.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
	 * In order to do this, "data" must be broken down into bits.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
	mask = 0x01 << (count - 1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
	eecd = er32(EECD);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
	if (eeprom->type == e1000_eeprom_microwire) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
		eecd &= ~E1000_EECD_DO;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
	} else if (eeprom->type == e1000_eeprom_spi) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
		eecd |= E1000_EECD_DO;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
	do {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
		/* A "1" is shifted out to the EEPROM by setting bit "DI" to a "1",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
		 * and then raising and then lowering the clock (the SK bit controls
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
		 * the clock input to the EEPROM).  A "0" is shifted out to the EEPROM
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
		 * by setting "DI" to "0" and then raising and then lowering the clock.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
		eecd &= ~E1000_EECD_DI;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
		if (data & mask)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
			eecd |= E1000_EECD_DI;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
		ew32(EECD, eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
		udelay(eeprom->delay_usec);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
		e1000_raise_ee_clk(hw, &eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
		e1000_lower_ee_clk(hw, &eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
		mask = mask >> 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	} while (mask);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
	/* We leave the "DI" bit set to "0" when we leave this routine. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
	eecd &= ~E1000_EECD_DI;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
	ew32(EECD, eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
 * e1000_shift_in_ee_bits - Shift data bits in from the EEPROM
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
 * @count: number of bits to shift in
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
static u16 e1000_shift_in_ee_bits(struct e1000_hw *hw, u16 count)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
	u32 eecd;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
	u32 i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
	u16 data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
	/* In order to read a register from the EEPROM, we need to shift 'count'
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
	 * bits in from the EEPROM. Bits are "shifted in" by raising the clock
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
	 * input to the EEPROM (setting the SK bit), and then reading the value of
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
	 * the "DO" bit.  During this "shifting in" process the "DI" bit should
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
	 * always be clear.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
	eecd = er32(EECD);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
	eecd &= ~(E1000_EECD_DO | E1000_EECD_DI);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
	data = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
	for (i = 0; i < count; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
		data = data << 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
		e1000_raise_ee_clk(hw, &eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
		eecd = er32(EECD);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
		eecd &= ~(E1000_EECD_DI);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
		if (eecd & E1000_EECD_DO)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
			data |= 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
		e1000_lower_ee_clk(hw, &eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
	return data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
 * e1000_acquire_eeprom - Prepares EEPROM for access
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
 * Lowers EEPROM clock. Clears input pin. Sets the chip select pin. This
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
 * function should be called before issuing a command to the EEPROM.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
static s32 e1000_acquire_eeprom(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
	u32 eecd, i = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
	e_dbg("e1000_acquire_eeprom");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
	eecd = er32(EECD);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
	/* Request EEPROM Access */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
	if (hw->mac_type > e1000_82544) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
		eecd |= E1000_EECD_REQ;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
		ew32(EECD, eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
		eecd = er32(EECD);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
		while ((!(eecd & E1000_EECD_GNT)) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
		       (i < E1000_EEPROM_GRANT_ATTEMPTS)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
			i++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
			udelay(5);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
			eecd = er32(EECD);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
		if (!(eecd & E1000_EECD_GNT)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
			eecd &= ~E1000_EECD_REQ;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
			ew32(EECD, eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
			e_dbg("Could not acquire EEPROM grant\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
			return -E1000_ERR_EEPROM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
	/* Setup EEPROM for Read/Write */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
	if (eeprom->type == e1000_eeprom_microwire) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
		/* Clear SK and DI */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
		eecd &= ~(E1000_EECD_DI | E1000_EECD_SK);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
		ew32(EECD, eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
		/* Set CS */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
		eecd |= E1000_EECD_CS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
		ew32(EECD, eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
	} else if (eeprom->type == e1000_eeprom_spi) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
		/* Clear SK and CS */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
		eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
		ew32(EECD, eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
		udelay(1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
 * e1000_standby_eeprom - Returns EEPROM to a "standby" state
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
static void e1000_standby_eeprom(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
	u32 eecd;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
	eecd = er32(EECD);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
	if (eeprom->type == e1000_eeprom_microwire) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
		eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
		ew32(EECD, eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
		udelay(eeprom->delay_usec);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
		/* Clock high */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
		eecd |= E1000_EECD_SK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
		ew32(EECD, eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
		udelay(eeprom->delay_usec);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
		/* Select EEPROM */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
		eecd |= E1000_EECD_CS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
		ew32(EECD, eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
		udelay(eeprom->delay_usec);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
		/* Clock low */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
		eecd &= ~E1000_EECD_SK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
		ew32(EECD, eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
		udelay(eeprom->delay_usec);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
	} else if (eeprom->type == e1000_eeprom_spi) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
		/* Toggle CS to flush commands */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
		eecd |= E1000_EECD_CS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
		ew32(EECD, eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
		udelay(eeprom->delay_usec);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
		eecd &= ~E1000_EECD_CS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
		ew32(EECD, eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
		udelay(eeprom->delay_usec);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
 * e1000_release_eeprom - drop chip select
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
 * Terminates a command by inverting the EEPROM's chip select pin
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
static void e1000_release_eeprom(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
	u32 eecd;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
	e_dbg("e1000_release_eeprom");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
	eecd = er32(EECD);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
	if (hw->eeprom.type == e1000_eeprom_spi) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
		eecd |= E1000_EECD_CS;	/* Pull CS high */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
		eecd &= ~E1000_EECD_SK;	/* Lower SCK */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
		ew32(EECD, eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
		udelay(hw->eeprom.delay_usec);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
	} else if (hw->eeprom.type == e1000_eeprom_microwire) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
		/* cleanup eeprom */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
		/* CS on Microwire is active-high */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
		eecd &= ~(E1000_EECD_CS | E1000_EECD_DI);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
		ew32(EECD, eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
		/* Rising edge of clock */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
		eecd |= E1000_EECD_SK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
		ew32(EECD, eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
		udelay(hw->eeprom.delay_usec);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
		/* Falling edge of clock */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
		eecd &= ~E1000_EECD_SK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
		ew32(EECD, eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
		udelay(hw->eeprom.delay_usec);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
	/* Stop requesting EEPROM access */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
	if (hw->mac_type > e1000_82544) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
		eecd &= ~E1000_EECD_REQ;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
		ew32(EECD, eecd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
 * e1000_spi_eeprom_ready - Reads a 16 bit word from the EEPROM.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
static s32 e1000_spi_eeprom_ready(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
	u16 retry_count = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
	u8 spi_stat_reg;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
	e_dbg("e1000_spi_eeprom_ready");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
	/* Read "Status Register" repeatedly until the LSB is cleared.  The
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
	 * EEPROM will signal that the command has been completed by clearing
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
	 * bit 0 of the internal status register.  If it's not cleared within
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
	 * 5 milliseconds, then error out.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
	retry_count = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
	do {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
		e1000_shift_out_ee_bits(hw, EEPROM_RDSR_OPCODE_SPI,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
					hw->eeprom.opcode_bits);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
		spi_stat_reg = (u8) e1000_shift_in_ee_bits(hw, 8);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
		if (!(spi_stat_reg & EEPROM_STATUS_RDY_SPI))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
		udelay(5);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
		retry_count += 5;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
		e1000_standby_eeprom(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
	} while (retry_count < EEPROM_MAX_RETRY_SPI);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
	/* ATMEL SPI write time could vary from 0-20mSec on 3.3V devices (and
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
	 * only 0-5mSec on 5V devices)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
	if (retry_count >= EEPROM_MAX_RETRY_SPI) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
		e_dbg("SPI EEPROM Status error\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
		return -E1000_ERR_EEPROM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
 * e1000_read_eeprom - Reads a 16 bit word from the EEPROM.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
 * @offset: offset of  word in the EEPROM to read
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
 * @data: word read from the EEPROM
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
 * @words: number of words to read
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
s32 e1000_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
	s32 ret;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
	spin_lock(&e1000_eeprom_lock);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
	ret = e1000_do_read_eeprom(hw, offset, words, data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
	spin_unlock(&e1000_eeprom_lock);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
	return ret;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
				u16 *data)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
	u32 i = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
	e_dbg("e1000_read_eeprom");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
	if (hw->mac_type == e1000_ce4100) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
		GBE_CONFIG_FLASH_READ(GBE_CONFIG_BASE_VIRT, offset, words,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
		                      data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
		return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
	/* If eeprom is not yet detected, do so now */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
	if (eeprom->word_size == 0)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
		e1000_init_eeprom_params(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
	/* A check for invalid values:  offset too large, too many words, and not
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
	 * enough words.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
	if ((offset >= eeprom->word_size)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
	    || (words > eeprom->word_size - offset) || (words == 0)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
		e_dbg("\"words\" parameter out of bounds. Words = %d,"
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
		      "size = %d\n", offset, eeprom->word_size);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
		return -E1000_ERR_EEPROM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
	/* EEPROM's that don't use EERD to read require us to bit-bang the SPI
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
	 * directly. In this case, we need to acquire the EEPROM so that
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
	 * FW or other port software does not interrupt.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
	/* Prepare the EEPROM for bit-bang reading */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
	if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
		return -E1000_ERR_EEPROM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
	/* Set up the SPI or Microwire EEPROM for bit-bang reading.  We have
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
	 * acquired the EEPROM at this point, so any returns should release it */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
	if (eeprom->type == e1000_eeprom_spi) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
		u16 word_in;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
		u8 read_opcode = EEPROM_READ_OPCODE_SPI;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
		if (e1000_spi_eeprom_ready(hw)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
			e1000_release_eeprom(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
			return -E1000_ERR_EEPROM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
		e1000_standby_eeprom(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
		/* Some SPI eeproms use the 8th address bit embedded in the opcode */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
		if ((eeprom->address_bits == 8) && (offset >= 128))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
			read_opcode |= EEPROM_A8_OPCODE_SPI;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
		/* Send the READ command (opcode + addr)  */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
		e1000_shift_out_ee_bits(hw, read_opcode, eeprom->opcode_bits);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
		e1000_shift_out_ee_bits(hw, (u16) (offset * 2),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
					eeprom->address_bits);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
		/* Read the data.  The address of the eeprom internally increments with
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
		 * each byte (spi) being read, saving on the overhead of eeprom setup
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
		 * and tear-down.  The address counter will roll over if reading beyond
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
		 * the size of the eeprom, thus allowing the entire memory to be read
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
		 * starting from any offset. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
		for (i = 0; i < words; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
			word_in = e1000_shift_in_ee_bits(hw, 16);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
			data[i] = (word_in >> 8) | (word_in << 8);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
	} else if (eeprom->type == e1000_eeprom_microwire) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
		for (i = 0; i < words; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
			/* Send the READ command (opcode + addr)  */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
			e1000_shift_out_ee_bits(hw,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
						EEPROM_READ_OPCODE_MICROWIRE,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
						eeprom->opcode_bits);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
			e1000_shift_out_ee_bits(hw, (u16) (offset + i),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
						eeprom->address_bits);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
			/* Read the data.  For microwire, each word requires the overhead
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
			 * of eeprom setup and tear-down. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
			data[i] = e1000_shift_in_ee_bits(hw, 16);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
			e1000_standby_eeprom(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
	/* End this read operation */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
	e1000_release_eeprom(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
 * e1000_validate_eeprom_checksum - Verifies that the EEPROM has a valid checksum
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
 * Reads the first 64 16 bit words of the EEPROM and sums the values read.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
 * If the the sum of the 64 16 bit words is 0xBABA, the EEPROM's checksum is
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
 * valid.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
s32 e1000_validate_eeprom_checksum(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
	u16 checksum = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
	u16 i, eeprom_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
	e_dbg("e1000_validate_eeprom_checksum");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
	for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
		if (e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
			e_dbg("EEPROM Read Error\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
			return -E1000_ERR_EEPROM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
		checksum += eeprom_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
#ifdef CONFIG_PARISC
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
	/* This is a signature and not a checksum on HP c8000 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
	if ((hw->subsystem_vendor_id == 0x103C) && (eeprom_data == 0x16d6))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
		return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
#endif
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
	if (checksum == (u16) EEPROM_SUM)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
		return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
	else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
		e_dbg("EEPROM Checksum Invalid\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
		return -E1000_ERR_EEPROM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
 * e1000_update_eeprom_checksum - Calculates/writes the EEPROM checksum
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
 * Sums the first 63 16 bit words of the EEPROM. Subtracts the sum from 0xBABA.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
 * Writes the difference to word offset 63 of the EEPROM.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
s32 e1000_update_eeprom_checksum(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
	u16 checksum = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
	u16 i, eeprom_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
	e_dbg("e1000_update_eeprom_checksum");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
	for (i = 0; i < EEPROM_CHECKSUM_REG; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
		if (e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
			e_dbg("EEPROM Read Error\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
			return -E1000_ERR_EEPROM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
		checksum += eeprom_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
	checksum = (u16) EEPROM_SUM - checksum;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
	if (e1000_write_eeprom(hw, EEPROM_CHECKSUM_REG, 1, &checksum) < 0) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
		e_dbg("EEPROM Write Error\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
		return -E1000_ERR_EEPROM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
 * e1000_write_eeprom - write words to the different EEPROM types.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
 * @offset: offset within the EEPROM to be written to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
 * @words: number of words to write
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
 * @data: 16 bit word to be written to the EEPROM
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
 * If e1000_update_eeprom_checksum is not called after this function, the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
 * EEPROM will most likely contain an invalid checksum.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
s32 e1000_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
	s32 ret;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
	spin_lock(&e1000_eeprom_lock);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
	ret = e1000_do_write_eeprom(hw, offset, words, data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
	spin_unlock(&e1000_eeprom_lock);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
	return ret;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
				 u16 *data)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
	s32 status = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
	e_dbg("e1000_write_eeprom");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
	if (hw->mac_type == e1000_ce4100) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
		GBE_CONFIG_FLASH_WRITE(GBE_CONFIG_BASE_VIRT, offset, words,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
		                       data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
		return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
	/* If eeprom is not yet detected, do so now */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
	if (eeprom->word_size == 0)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
		e1000_init_eeprom_params(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
	/* A check for invalid values:  offset too large, too many words, and not
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
	 * enough words.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
	if ((offset >= eeprom->word_size)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
	    || (words > eeprom->word_size - offset) || (words == 0)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
		e_dbg("\"words\" parameter out of bounds\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
		return -E1000_ERR_EEPROM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
	/* Prepare the EEPROM for writing  */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
	if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
		return -E1000_ERR_EEPROM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
	if (eeprom->type == e1000_eeprom_microwire) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
		status = e1000_write_eeprom_microwire(hw, offset, words, data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
		status = e1000_write_eeprom_spi(hw, offset, words, data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
		msleep(10);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
	/* Done with writing */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
	e1000_release_eeprom(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
	return status;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
 * e1000_write_eeprom_spi - Writes a 16 bit word to a given offset in an SPI EEPROM.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
 * @offset: offset within the EEPROM to be written to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
 * @words: number of words to write
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
 * @data: pointer to array of 8 bit words to be written to the EEPROM
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
static s32 e1000_write_eeprom_spi(struct e1000_hw *hw, u16 offset, u16 words,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
				  u16 *data)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
	u16 widx = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
	e_dbg("e1000_write_eeprom_spi");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
	while (widx < words) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
		u8 write_opcode = EEPROM_WRITE_OPCODE_SPI;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
		if (e1000_spi_eeprom_ready(hw))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
			return -E1000_ERR_EEPROM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
		e1000_standby_eeprom(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
		/*  Send the WRITE ENABLE command (8 bit opcode )  */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
		e1000_shift_out_ee_bits(hw, EEPROM_WREN_OPCODE_SPI,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
					eeprom->opcode_bits);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
		e1000_standby_eeprom(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
		/* Some SPI eeproms use the 8th address bit embedded in the opcode */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
		if ((eeprom->address_bits == 8) && (offset >= 128))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
			write_opcode |= EEPROM_A8_OPCODE_SPI;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
		/* Send the Write command (8-bit opcode + addr) */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
		e1000_shift_out_ee_bits(hw, write_opcode, eeprom->opcode_bits);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
		e1000_shift_out_ee_bits(hw, (u16) ((offset + widx) * 2),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
					eeprom->address_bits);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
		/* Send the data */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
		/* Loop to allow for up to whole page write (32 bytes) of eeprom */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
		while (widx < words) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
			u16 word_out = data[widx];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
			word_out = (word_out >> 8) | (word_out << 8);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
			e1000_shift_out_ee_bits(hw, word_out, 16);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
			widx++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
			/* Some larger eeprom sizes are capable of a 32-byte PAGE WRITE
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
			 * operation, while the smaller eeproms are capable of an 8-byte
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
			 * PAGE WRITE operation.  Break the inner loop to pass new address
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
			 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
			if ((((offset + widx) * 2) % eeprom->page_size) == 0) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
				e1000_standby_eeprom(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
 * e1000_write_eeprom_microwire - Writes a 16 bit word to a given offset in a Microwire EEPROM.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
 * @offset: offset within the EEPROM to be written to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
 * @words: number of words to write
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
 * @data: pointer to array of 8 bit words to be written to the EEPROM
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
static s32 e1000_write_eeprom_microwire(struct e1000_hw *hw, u16 offset,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
					u16 words, u16 *data)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
	struct e1000_eeprom_info *eeprom = &hw->eeprom;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
	u32 eecd;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
	u16 words_written = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
	u16 i = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
	e_dbg("e1000_write_eeprom_microwire");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
	/* Send the write enable command to the EEPROM (3-bit opcode plus
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
	 * 6/8-bit dummy address beginning with 11).  It's less work to include
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
	 * the 11 of the dummy address as part of the opcode than it is to shift
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
	 * it over the correct number of bits for the address.  This puts the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
	 * EEPROM into write/erase mode.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
	e1000_shift_out_ee_bits(hw, EEPROM_EWEN_OPCODE_MICROWIRE,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
				(u16) (eeprom->opcode_bits + 2));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
	e1000_shift_out_ee_bits(hw, 0, (u16) (eeprom->address_bits - 2));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
	/* Prepare the EEPROM */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
	e1000_standby_eeprom(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
	while (words_written < words) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
		/* Send the Write command (3-bit opcode + addr) */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
		e1000_shift_out_ee_bits(hw, EEPROM_WRITE_OPCODE_MICROWIRE,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
					eeprom->opcode_bits);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
		e1000_shift_out_ee_bits(hw, (u16) (offset + words_written),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
					eeprom->address_bits);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
		/* Send the data */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
		e1000_shift_out_ee_bits(hw, data[words_written], 16);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
		/* Toggle the CS line.  This in effect tells the EEPROM to execute
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
		 * the previous command.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
		e1000_standby_eeprom(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
		/* Read DO repeatedly until it is high (equal to '1').  The EEPROM will
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
		 * signal that the command has been completed by raising the DO signal.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
		 * If DO does not go high in 10 milliseconds, then error out.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
		for (i = 0; i < 200; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
			eecd = er32(EECD);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
			if (eecd & E1000_EECD_DO)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
			udelay(50);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
		if (i == 200) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
			e_dbg("EEPROM Write did not complete\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
			return -E1000_ERR_EEPROM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
		/* Recover from write */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
		e1000_standby_eeprom(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
		words_written++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
	/* Send the write disable command to the EEPROM (3-bit opcode plus
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
	 * 6/8-bit dummy address beginning with 10).  It's less work to include
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
	 * the 10 of the dummy address as part of the opcode than it is to shift
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
	 * it over the correct number of bits for the address.  This takes the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
	 * EEPROM out of write/erase mode.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
	e1000_shift_out_ee_bits(hw, EEPROM_EWDS_OPCODE_MICROWIRE,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
				(u16) (eeprom->opcode_bits + 2));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
	e1000_shift_out_ee_bits(hw, 0, (u16) (eeprom->address_bits - 2));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
 * e1000_read_mac_addr - read the adapters MAC from eeprom
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
 * Reads the adapter's MAC address from the EEPROM and inverts the LSB for the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
 * second function of dual function devices
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
s32 e1000_read_mac_addr(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
	u16 offset;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
	u16 eeprom_data, i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
	e_dbg("e1000_read_mac_addr");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
	for (i = 0; i < NODE_ADDRESS_SIZE; i += 2) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
		offset = i >> 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
		if (e1000_read_eeprom(hw, offset, 1, &eeprom_data) < 0) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
			e_dbg("EEPROM Read Error\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
			return -E1000_ERR_EEPROM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
		hw->perm_mac_addr[i] = (u8) (eeprom_data & 0x00FF);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
		hw->perm_mac_addr[i + 1] = (u8) (eeprom_data >> 8);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
	switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
	case e1000_82546:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
	case e1000_82546_rev_3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
			hw->perm_mac_addr[5] ^= 0x01;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
	for (i = 0; i < NODE_ADDRESS_SIZE; i++)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
		hw->mac_addr[i] = hw->perm_mac_addr[i];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
 * e1000_init_rx_addrs - Initializes receive address filters.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
 * Places the MAC address in receive address register 0 and clears the rest
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
 * of the receive address registers. Clears the multicast table. Assumes
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
 * the receiver is in reset when the routine is called.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
static void e1000_init_rx_addrs(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
	u32 i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
	u32 rar_num;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
	e_dbg("e1000_init_rx_addrs");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
	/* Setup the receive address. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
	e_dbg("Programming MAC Address into RAR[0]\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
	e1000_rar_set(hw, hw->mac_addr, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
	rar_num = E1000_RAR_ENTRIES;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
	/* Zero out the other 15 receive addresses. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
	e_dbg("Clearing RAR[1-15]\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
	for (i = 1; i < rar_num; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
		E1000_WRITE_REG_ARRAY(hw, RA, (i << 1), 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
		E1000_WRITE_REG_ARRAY(hw, RA, ((i << 1) + 1), 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
 * e1000_hash_mc_addr - Hashes an address to determine its location in the multicast table
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
 * @mc_addr: the multicast address to hash
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
	u32 hash_value = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
	/* The portion of the address that is used for the hash table is
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
	 * determined by the mc_filter_type setting.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
	switch (hw->mc_filter_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
		/* [0] [1] [2] [3] [4] [5]
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
		 * 01  AA  00  12  34  56
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
		 * LSB                 MSB
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
	case 0:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
		/* [47:36] i.e. 0x563 for above example address */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
		hash_value = ((mc_addr[4] >> 4) | (((u16) mc_addr[5]) << 4));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
	case 1:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
		/* [46:35] i.e. 0xAC6 for above example address */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
		hash_value = ((mc_addr[4] >> 3) | (((u16) mc_addr[5]) << 5));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
	case 2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
		/* [45:34] i.e. 0x5D8 for above example address */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
		hash_value = ((mc_addr[4] >> 2) | (((u16) mc_addr[5]) << 6));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
	case 3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
		/* [43:32] i.e. 0x634 for above example address */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
		hash_value = ((mc_addr[4]) | (((u16) mc_addr[5]) << 8));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
	hash_value &= 0xFFF;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
	return hash_value;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
 * e1000_rar_set - Puts an ethernet address into a receive address register.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
 * @addr: Address to put into receive address register
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
 * @index: Receive address register to write
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
void e1000_rar_set(struct e1000_hw *hw, u8 *addr, u32 index)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
	u32 rar_low, rar_high;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
	/* HW expects these in little endian so we reverse the byte order
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
	 * from network order (big endian) to little endian
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
	rar_low = ((u32) addr[0] | ((u32) addr[1] << 8) |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
		   ((u32) addr[2] << 16) | ((u32) addr[3] << 24));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
	rar_high = ((u32) addr[4] | ((u32) addr[5] << 8));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
	/* Disable Rx and flush all Rx frames before enabling RSS to avoid Rx
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
	 * unit hang.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
	 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
	 * Description:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
	 * If there are any Rx frames queued up or otherwise present in the HW
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
	 * before RSS is enabled, and then we enable RSS, the HW Rx unit will
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
	 * hang.  To work around this issue, we have to disable receives and
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
	 * flush out all Rx frames before we enable RSS. To do so, we modify we
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
	 * redirect all Rx traffic to manageability and then reset the HW.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
	 * This flushes away Rx frames, and (since the redirections to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
	 * manageability persists across resets) keeps new ones from coming in
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
	 * while we work.  Then, we clear the Address Valid AV bit for all MAC
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
	 * addresses and undo the re-direction to manageability.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
	 * Now, frames are coming in again, but the MAC won't accept them, so
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
	 * far so good.  We now proceed to initialize RSS (if necessary) and
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
	 * configure the Rx unit.  Last, we re-enable the AV bits and continue
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
	 * on our merry way.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
	switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
		/* Indicate to hardware the Address is Valid. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
		rar_high |= E1000_RAH_AV;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
	E1000_WRITE_REG_ARRAY(hw, RA, (index << 1), rar_low);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
	E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
	E1000_WRITE_REG_ARRAY(hw, RA, ((index << 1) + 1), rar_high);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
	E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
 * e1000_write_vfta - Writes a value to the specified offset in the VLAN filter table.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
 * @offset: Offset in VLAN filer table to write
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
 * @value: Value to write into VLAN filter table
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
	u32 temp;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
	if ((hw->mac_type == e1000_82544) && ((offset & 0x1) == 1)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
		temp = E1000_READ_REG_ARRAY(hw, VFTA, (offset - 1));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
		E1000_WRITE_REG_ARRAY(hw, VFTA, offset, value);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
		E1000_WRITE_REG_ARRAY(hw, VFTA, (offset - 1), temp);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
		E1000_WRITE_REG_ARRAY(hw, VFTA, offset, value);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
 * e1000_clear_vfta - Clears the VLAN filer table
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
static void e1000_clear_vfta(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
	u32 offset;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
	u32 vfta_value = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
	u32 vfta_offset = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
	u32 vfta_bit_in_reg = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
	for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
		/* If the offset we want to clear is the same offset of the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
		 * manageability VLAN ID, then clear all bits except that of the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
		 * manageability unit */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
		vfta_value = (offset == vfta_offset) ? vfta_bit_in_reg : 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
		E1000_WRITE_REG_ARRAY(hw, VFTA, offset, vfta_value);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
static s32 e1000_id_led_init(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
	u32 ledctl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
	const u32 ledctl_mask = 0x000000FF;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
	const u32 ledctl_on = E1000_LEDCTL_MODE_LED_ON;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
	const u32 ledctl_off = E1000_LEDCTL_MODE_LED_OFF;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
	u16 eeprom_data, i, temp;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
	const u16 led_mask = 0x0F;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
	e_dbg("e1000_id_led_init");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
	if (hw->mac_type < e1000_82540) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
		/* Nothing to do */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
		return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
	ledctl = er32(LEDCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
	hw->ledctl_default = ledctl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
	hw->ledctl_mode1 = hw->ledctl_default;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
	hw->ledctl_mode2 = hw->ledctl_default;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
	if (e1000_read_eeprom(hw, EEPROM_ID_LED_SETTINGS, 1, &eeprom_data) < 0) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
		e_dbg("EEPROM Read Error\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
		return -E1000_ERR_EEPROM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
	if ((eeprom_data == ID_LED_RESERVED_0000) ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
	    (eeprom_data == ID_LED_RESERVED_FFFF)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
		eeprom_data = ID_LED_DEFAULT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
	for (i = 0; i < 4; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
		temp = (eeprom_data >> (i << 2)) & led_mask;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
		switch (temp) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
		case ID_LED_ON1_DEF2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
		case ID_LED_ON1_ON2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
		case ID_LED_ON1_OFF2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
			hw->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
			hw->ledctl_mode1 |= ledctl_on << (i << 3);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
		case ID_LED_OFF1_DEF2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
		case ID_LED_OFF1_ON2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
		case ID_LED_OFF1_OFF2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
			hw->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
			hw->ledctl_mode1 |= ledctl_off << (i << 3);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
		default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
			/* Do nothing */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
		switch (temp) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
		case ID_LED_DEF1_ON2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
		case ID_LED_ON1_ON2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
		case ID_LED_OFF1_ON2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
			hw->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
			hw->ledctl_mode2 |= ledctl_on << (i << 3);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
		case ID_LED_DEF1_OFF2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
		case ID_LED_ON1_OFF2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
		case ID_LED_OFF1_OFF2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
			hw->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
			hw->ledctl_mode2 |= ledctl_off << (i << 3);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
		default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
			/* Do nothing */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
 * e1000_setup_led
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
 * Prepares SW controlable LED for use and saves the current state of the LED.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
s32 e1000_setup_led(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
	u32 ledctl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
	s32 ret_val = E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
	e_dbg("e1000_setup_led");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
	switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
	case e1000_82542_rev2_0:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
	case e1000_82542_rev2_1:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
	case e1000_82543:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
	case e1000_82544:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
		/* No setup necessary */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
	case e1000_82541:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
	case e1000_82547:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
	case e1000_82541_rev_2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
	case e1000_82547_rev_2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
		/* Turn off PHY Smart Power Down (if enabled) */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
		ret_val = e1000_read_phy_reg(hw, IGP01E1000_GMII_FIFO,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
					     &hw->phy_spd_default);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
		ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
					      (u16) (hw->phy_spd_default &
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
						     ~IGP01E1000_GMII_SPD));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
		/* Fall Through */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
		if (hw->media_type == e1000_media_type_fiber) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
			ledctl = er32(LEDCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
			/* Save current LEDCTL settings */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
			hw->ledctl_default = ledctl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
			/* Turn off LED0 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
			ledctl &= ~(E1000_LEDCTL_LED0_IVRT |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
				    E1000_LEDCTL_LED0_BLINK |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
				    E1000_LEDCTL_LED0_MODE_MASK);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
			ledctl |= (E1000_LEDCTL_MODE_LED_OFF <<
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
				   E1000_LEDCTL_LED0_MODE_SHIFT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
			ew32(LEDCTL, ledctl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
		} else if (hw->media_type == e1000_media_type_copper)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
			ew32(LEDCTL, hw->ledctl_mode1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
 * e1000_cleanup_led - Restores the saved state of the SW controlable LED.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
s32 e1000_cleanup_led(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
	s32 ret_val = E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
	e_dbg("e1000_cleanup_led");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
	switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
	case e1000_82542_rev2_0:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
	case e1000_82542_rev2_1:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
	case e1000_82543:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
	case e1000_82544:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
		/* No cleanup necessary */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
	case e1000_82541:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
	case e1000_82547:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
	case e1000_82541_rev_2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
	case e1000_82547_rev_2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
		/* Turn on PHY Smart Power Down (if previously enabled) */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
		ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
					      hw->phy_spd_default);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
		/* Fall Through */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
		/* Restore LEDCTL settings */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
		ew32(LEDCTL, hw->ledctl_default);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
 * e1000_led_on - Turns on the software controllable LED
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
s32 e1000_led_on(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
	u32 ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
	e_dbg("e1000_led_on");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
	switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
	case e1000_82542_rev2_0:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
	case e1000_82542_rev2_1:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
	case e1000_82543:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
		/* Set SW Defineable Pin 0 to turn on the LED */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
		ctrl |= E1000_CTRL_SWDPIN0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
		ctrl |= E1000_CTRL_SWDPIO0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
	case e1000_82544:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
		if (hw->media_type == e1000_media_type_fiber) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
			/* Set SW Defineable Pin 0 to turn on the LED */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
			ctrl |= E1000_CTRL_SWDPIN0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
			ctrl |= E1000_CTRL_SWDPIO0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
			/* Clear SW Defineable Pin 0 to turn on the LED */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
			ctrl &= ~E1000_CTRL_SWDPIN0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
			ctrl |= E1000_CTRL_SWDPIO0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
		if (hw->media_type == e1000_media_type_fiber) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
			/* Clear SW Defineable Pin 0 to turn on the LED */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
			ctrl &= ~E1000_CTRL_SWDPIN0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
			ctrl |= E1000_CTRL_SWDPIO0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
		} else if (hw->media_type == e1000_media_type_copper) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
			ew32(LEDCTL, hw->ledctl_mode2);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
			return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
	ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
 * e1000_led_off - Turns off the software controllable LED
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
s32 e1000_led_off(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
	u32 ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
	e_dbg("e1000_led_off");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
	switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
	case e1000_82542_rev2_0:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
	case e1000_82542_rev2_1:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
	case e1000_82543:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
		/* Clear SW Defineable Pin 0 to turn off the LED */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
		ctrl &= ~E1000_CTRL_SWDPIN0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
		ctrl |= E1000_CTRL_SWDPIO0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
	case e1000_82544:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
		if (hw->media_type == e1000_media_type_fiber) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
			/* Clear SW Defineable Pin 0 to turn off the LED */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
			ctrl &= ~E1000_CTRL_SWDPIN0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
			ctrl |= E1000_CTRL_SWDPIO0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
			/* Set SW Defineable Pin 0 to turn off the LED */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
			ctrl |= E1000_CTRL_SWDPIN0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
			ctrl |= E1000_CTRL_SWDPIO0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
		if (hw->media_type == e1000_media_type_fiber) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
			/* Set SW Defineable Pin 0 to turn off the LED */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
			ctrl |= E1000_CTRL_SWDPIN0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
			ctrl |= E1000_CTRL_SWDPIO0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
		} else if (hw->media_type == e1000_media_type_copper) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
			ew32(LEDCTL, hw->ledctl_mode1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
			return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
	ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
 * e1000_clear_hw_cntrs - Clears all hardware statistics counters.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
static void e1000_clear_hw_cntrs(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
	volatile u32 temp;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
	temp = er32(CRCERRS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
	temp = er32(SYMERRS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
	temp = er32(MPC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
	temp = er32(SCC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
	temp = er32(ECOL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
	temp = er32(MCC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
	temp = er32(LATECOL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
	temp = er32(COLC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
	temp = er32(DC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
	temp = er32(SEC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
	temp = er32(RLEC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
	temp = er32(XONRXC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
	temp = er32(XONTXC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
	temp = er32(XOFFRXC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
	temp = er32(XOFFTXC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
	temp = er32(FCRUC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
	temp = er32(PRC64);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
	temp = er32(PRC127);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
	temp = er32(PRC255);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
	temp = er32(PRC511);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
	temp = er32(PRC1023);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
	temp = er32(PRC1522);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
	temp = er32(GPRC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
	temp = er32(BPRC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
	temp = er32(MPRC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
	temp = er32(GPTC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
	temp = er32(GORCL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
	temp = er32(GORCH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
	temp = er32(GOTCL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
	temp = er32(GOTCH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
	temp = er32(RNBC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
	temp = er32(RUC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
	temp = er32(RFC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
	temp = er32(ROC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
	temp = er32(RJC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
	temp = er32(TORL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
	temp = er32(TORH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
	temp = er32(TOTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
	temp = er32(TOTH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
	temp = er32(TPR);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
	temp = er32(TPT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
	temp = er32(PTC64);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
	temp = er32(PTC127);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
	temp = er32(PTC255);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
	temp = er32(PTC511);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
	temp = er32(PTC1023);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
	temp = er32(PTC1522);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
	temp = er32(MPTC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
	temp = er32(BPTC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
	if (hw->mac_type < e1000_82543)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
	temp = er32(ALGNERRC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
	temp = er32(RXERRC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
	temp = er32(TNCRS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
	temp = er32(CEXTERR);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
	temp = er32(TSCTC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
	temp = er32(TSCTFC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
	if (hw->mac_type <= e1000_82544)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
	temp = er32(MGTPRC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
	temp = er32(MGTPDC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
	temp = er32(MGTPTC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
 * e1000_reset_adaptive - Resets Adaptive IFS to its default state.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
 * Call this after e1000_init_hw. You may override the IFS defaults by setting
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
 * hw->ifs_params_forced to true. However, you must initialize hw->
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
 * current_ifs_val, ifs_min_val, ifs_max_val, ifs_step_size, and ifs_ratio
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
 * before calling this function.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
void e1000_reset_adaptive(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
	e_dbg("e1000_reset_adaptive");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
	if (hw->adaptive_ifs) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
		if (!hw->ifs_params_forced) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
			hw->current_ifs_val = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
			hw->ifs_min_val = IFS_MIN;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
			hw->ifs_max_val = IFS_MAX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
			hw->ifs_step_size = IFS_STEP;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
			hw->ifs_ratio = IFS_RATIO;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
		hw->in_ifs_mode = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
		ew32(AIT, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
		e_dbg("Not in Adaptive IFS mode!\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
 * e1000_update_adaptive - update adaptive IFS
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
 * @tx_packets: Number of transmits since last callback
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
 * @total_collisions: Number of collisions since last callback
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
 * Called during the callback/watchdog routine to update IFS value based on
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
 * the ratio of transmits to collisions.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
void e1000_update_adaptive(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
	e_dbg("e1000_update_adaptive");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
	if (hw->adaptive_ifs) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
		if ((hw->collision_delta *hw->ifs_ratio) > hw->tx_packet_delta) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
			if (hw->tx_packet_delta > MIN_NUM_XMITS) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
				hw->in_ifs_mode = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
				if (hw->current_ifs_val < hw->ifs_max_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
					if (hw->current_ifs_val == 0)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
						hw->current_ifs_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
						    hw->ifs_min_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
					else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
						hw->current_ifs_val +=
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
						    hw->ifs_step_size;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
					ew32(AIT, hw->current_ifs_val);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
				}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
			if (hw->in_ifs_mode
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
			    && (hw->tx_packet_delta <= MIN_NUM_XMITS)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
				hw->current_ifs_val = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
				hw->in_ifs_mode = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
				ew32(AIT, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
		e_dbg("Not in Adaptive IFS mode!\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
 * e1000_tbi_adjust_stats
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
 * @frame_len: The length of the frame in question
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
 * @mac_addr: The Ethernet destination address of the frame in question
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
 * Adjusts the statistic counters when a frame is accepted by TBI_ACCEPT
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
void e1000_tbi_adjust_stats(struct e1000_hw *hw, struct e1000_hw_stats *stats,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
			    u32 frame_len, u8 *mac_addr)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
	u64 carry_bit;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
	/* First adjust the frame length. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
	frame_len--;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
	/* We need to adjust the statistics counters, since the hardware
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
	 * counters overcount this packet as a CRC error and undercount
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
	 * the packet as a good packet
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
	/* This packet should not be counted as a CRC error.    */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
	stats->crcerrs--;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
	/* This packet does count as a Good Packet Received.    */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
	stats->gprc++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
	/* Adjust the Good Octets received counters             */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
	carry_bit = 0x80000000 & stats->gorcl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
	stats->gorcl += frame_len;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
	/* If the high bit of Gorcl (the low 32 bits of the Good Octets
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
	 * Received Count) was one before the addition,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
	 * AND it is zero after, then we lost the carry out,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
	 * need to add one to Gorch (Good Octets Received Count High).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
	 * This could be simplified if all environments supported
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
	 * 64-bit integers.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
	if (carry_bit && ((stats->gorcl & 0x80000000) == 0))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
		stats->gorch++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
	/* Is this a broadcast or multicast?  Check broadcast first,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
	 * since the test for a multicast frame will test positive on
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
	 * a broadcast frame.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
	if ((mac_addr[0] == (u8) 0xff) && (mac_addr[1] == (u8) 0xff))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
		/* Broadcast packet */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
		stats->bprc++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
	else if (*mac_addr & 0x01)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
		/* Multicast packet */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
		stats->mprc++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
	if (frame_len == hw->max_frame_size) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
		/* In this case, the hardware has overcounted the number of
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
		 * oversize frames.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
		if (stats->roc > 0)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
			stats->roc--;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
	/* Adjust the bin counters when the extra byte put the frame in the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
	 * wrong bin. Remember that the frame_len was adjusted above.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
	if (frame_len == 64) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
		stats->prc64++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
		stats->prc127--;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
	} else if (frame_len == 127) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
		stats->prc127++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
		stats->prc255--;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
	} else if (frame_len == 255) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
		stats->prc255++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
		stats->prc511--;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
	} else if (frame_len == 511) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
		stats->prc511++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
		stats->prc1023--;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
	} else if (frame_len == 1023) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
		stats->prc1023++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
		stats->prc1522--;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
	} else if (frame_len == 1522) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
		stats->prc1522++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
 * e1000_get_bus_info
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
 * Gets the current PCI bus type, speed, and width of the hardware
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
void e1000_get_bus_info(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
	u32 status;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
	switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
	case e1000_82542_rev2_0:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
	case e1000_82542_rev2_1:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
		hw->bus_type = e1000_bus_type_pci;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
		hw->bus_speed = e1000_bus_speed_unknown;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
		hw->bus_width = e1000_bus_width_unknown;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
		status = er32(STATUS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
		hw->bus_type = (status & E1000_STATUS_PCIX_MODE) ?
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
		    e1000_bus_type_pcix : e1000_bus_type_pci;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
		if (hw->device_id == E1000_DEV_ID_82546EB_QUAD_COPPER) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
			hw->bus_speed = (hw->bus_type == e1000_bus_type_pci) ?
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
			    e1000_bus_speed_66 : e1000_bus_speed_120;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
		} else if (hw->bus_type == e1000_bus_type_pci) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
			hw->bus_speed = (status & E1000_STATUS_PCI66) ?
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
			    e1000_bus_speed_66 : e1000_bus_speed_33;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
			switch (status & E1000_STATUS_PCIX_SPEED) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
			case E1000_STATUS_PCIX_SPEED_66:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
				hw->bus_speed = e1000_bus_speed_66;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
			case E1000_STATUS_PCIX_SPEED_100:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
				hw->bus_speed = e1000_bus_speed_100;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
			case E1000_STATUS_PCIX_SPEED_133:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
				hw->bus_speed = e1000_bus_speed_133;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
			default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
				hw->bus_speed = e1000_bus_speed_reserved;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
		hw->bus_width = (status & E1000_STATUS_BUS64) ?
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
		    e1000_bus_width_64 : e1000_bus_width_32;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
 * e1000_write_reg_io
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
 * @offset: offset to write to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
 * @value: value to write
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
 * Writes a value to one of the devices registers using port I/O (as opposed to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
 * memory mapped I/O). Only 82544 and newer devices support port I/O.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
static void e1000_write_reg_io(struct e1000_hw *hw, u32 offset, u32 value)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
	unsigned long io_addr = hw->io_base;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
	unsigned long io_data = hw->io_base + 4;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
	e1000_io_write(hw, io_addr, offset);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
	e1000_io_write(hw, io_data, value);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
 * e1000_get_cable_length - Estimates the cable length.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
 * @min_length: The estimated minimum length
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
 * @max_length: The estimated maximum length
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
 * returns: - E1000_ERR_XXX
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
 *            E1000_SUCCESS
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
 * This function always returns a ranged length (minimum & maximum).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
 * So for M88 phy's, this function interprets the one value returned from the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
 * register to the minimum and maximum range.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
 * For IGP phy's, the function calculates the range by the AGC registers.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
static s32 e1000_get_cable_length(struct e1000_hw *hw, u16 *min_length,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
				  u16 *max_length)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
	u16 agc_value = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
	u16 i, phy_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
	u16 cable_length;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
	e_dbg("e1000_get_cable_length");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
	*min_length = *max_length = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
	/* Use old method for Phy older than IGP */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
	if (hw->phy_type == e1000_phy_m88) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
		ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
					     &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
		cable_length = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
		    M88E1000_PSSR_CABLE_LENGTH_SHIFT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
		/* Convert the enum value to ranged values */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
		switch (cable_length) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
		case e1000_cable_length_50:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
			*min_length = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
			*max_length = e1000_igp_cable_length_50;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
		case e1000_cable_length_50_80:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
			*min_length = e1000_igp_cable_length_50;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
			*max_length = e1000_igp_cable_length_80;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
		case e1000_cable_length_80_110:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
			*min_length = e1000_igp_cable_length_80;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
			*max_length = e1000_igp_cable_length_110;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
		case e1000_cable_length_110_140:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
			*min_length = e1000_igp_cable_length_110;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
			*max_length = e1000_igp_cable_length_140;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
		case e1000_cable_length_140:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
			*min_length = e1000_igp_cable_length_140;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
			*max_length = e1000_igp_cable_length_170;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
		default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
			return -E1000_ERR_PHY;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
	} else if (hw->phy_type == e1000_phy_igp) {	/* For IGP PHY */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
		u16 cur_agc_value;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
		u16 min_agc_value = IGP01E1000_AGC_LENGTH_TABLE_SIZE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
		static const u16 agc_reg_array[IGP01E1000_PHY_CHANNEL_NUM] = {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
		       IGP01E1000_PHY_AGC_A,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
		       IGP01E1000_PHY_AGC_B,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
		       IGP01E1000_PHY_AGC_C,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
		       IGP01E1000_PHY_AGC_D
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
		};
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
		/* Read the AGC registers for all channels */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
		for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
			    e1000_read_phy_reg(hw, agc_reg_array[i], &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
			cur_agc_value = phy_data >> IGP01E1000_AGC_LENGTH_SHIFT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
			/* Value bound check. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
			if ((cur_agc_value >=
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
			     IGP01E1000_AGC_LENGTH_TABLE_SIZE - 1)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
			    || (cur_agc_value == 0))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
				return -E1000_ERR_PHY;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
			agc_value += cur_agc_value;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
			/* Update minimal AGC value. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
			if (min_agc_value > cur_agc_value)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
				min_agc_value = cur_agc_value;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
		/* Remove the minimal AGC result for length < 50m */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
		if (agc_value <
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
		    IGP01E1000_PHY_CHANNEL_NUM * e1000_igp_cable_length_50) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
			agc_value -= min_agc_value;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
			/* Get the average length of the remaining 3 channels */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
			agc_value /= (IGP01E1000_PHY_CHANNEL_NUM - 1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
			/* Get the average length of all the 4 channels. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
			agc_value /= IGP01E1000_PHY_CHANNEL_NUM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
		/* Set the range of the calculated length. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
		*min_length = ((e1000_igp_cable_length_table[agc_value] -
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
				IGP01E1000_AGC_RANGE) > 0) ?
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
		    (e1000_igp_cable_length_table[agc_value] -
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
		     IGP01E1000_AGC_RANGE) : 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
		*max_length = e1000_igp_cable_length_table[agc_value] +
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
		    IGP01E1000_AGC_RANGE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
 * e1000_check_polarity - Check the cable polarity
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
 * @polarity: output parameter : 0 - Polarity is not reversed
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
 *                               1 - Polarity is reversed.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
 * returns: - E1000_ERR_XXX
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
 *            E1000_SUCCESS
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
 * For phy's older than IGP, this function simply reads the polarity bit in the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
 * Phy Status register.  For IGP phy's, this bit is valid only if link speed is
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
 * 10 Mbps.  If the link speed is 100 Mbps there is no polarity so this bit will
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
 * return 0.  If the link speed is 1000 Mbps the polarity status is in the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
 * IGP01E1000_PHY_PCS_INIT_REG.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
static s32 e1000_check_polarity(struct e1000_hw *hw,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
				e1000_rev_polarity *polarity)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
	u16 phy_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
	e_dbg("e1000_check_polarity");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
	if (hw->phy_type == e1000_phy_m88) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
		/* return the Polarity bit in the Status register. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
		ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
					     &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
		*polarity = ((phy_data & M88E1000_PSSR_REV_POLARITY) >>
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
			     M88E1000_PSSR_REV_POLARITY_SHIFT) ?
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
		    e1000_rev_polarity_reversed : e1000_rev_polarity_normal;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
	} else if (hw->phy_type == e1000_phy_igp) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
		/* Read the Status register to check the speed */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
		ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
					     &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
		/* If speed is 1000 Mbps, must read the IGP01E1000_PHY_PCS_INIT_REG to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
		 * find the polarity status */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
		if ((phy_data & IGP01E1000_PSSR_SPEED_MASK) ==
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
		    IGP01E1000_PSSR_SPEED_1000MBPS) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
			/* Read the GIG initialization PCS register (0x00B4) */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
			    e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
					       &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
			/* Check the polarity bits */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
			*polarity = (phy_data & IGP01E1000_PHY_POLARITY_MASK) ?
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
			    e1000_rev_polarity_reversed :
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
			    e1000_rev_polarity_normal;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
			/* For 10 Mbps, read the polarity bit in the status register. (for
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
			 * 100 Mbps this bit is always 0) */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
			*polarity =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
			    (phy_data & IGP01E1000_PSSR_POLARITY_REVERSED) ?
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
			    e1000_rev_polarity_reversed :
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
			    e1000_rev_polarity_normal;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
 * e1000_check_downshift - Check if Downshift occurred
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
 * @downshift: output parameter : 0 - No Downshift occurred.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
 *                                1 - Downshift occurred.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
 * returns: - E1000_ERR_XXX
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
 *            E1000_SUCCESS
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
 * For phy's older than IGP, this function reads the Downshift bit in the Phy
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
 * Specific Status register.  For IGP phy's, it reads the Downgrade bit in the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
 * Link Health register.  In IGP this bit is latched high, so the driver must
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
 * read it immediately after link is established.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
static s32 e1000_check_downshift(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
	u16 phy_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
	e_dbg("e1000_check_downshift");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
	if (hw->phy_type == e1000_phy_igp) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
		ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_LINK_HEALTH,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
					     &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
		hw->speed_downgraded =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
		    (phy_data & IGP01E1000_PLHR_SS_DOWNGRADE) ? 1 : 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
	} else if (hw->phy_type == e1000_phy_m88) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
		ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
					     &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
		hw->speed_downgraded = (phy_data & M88E1000_PSSR_DOWNSHIFT) >>
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
		    M88E1000_PSSR_DOWNSHIFT_SHIFT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
static const u16 dsp_reg_array[IGP01E1000_PHY_CHANNEL_NUM] = {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
	IGP01E1000_PHY_AGC_PARAM_A,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
	IGP01E1000_PHY_AGC_PARAM_B,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
	IGP01E1000_PHY_AGC_PARAM_C,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
	IGP01E1000_PHY_AGC_PARAM_D
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
};
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
static s32 e1000_1000Mb_check_cable_length(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
	u16 min_length, max_length;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
	u16 phy_data, i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
	ret_val = e1000_get_cable_length(hw, &min_length, &max_length);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
	if (hw->dsp_config_state != e1000_dsp_config_enabled)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
		return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
	if (min_length >= e1000_igp_cable_length_50) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
		for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
			ret_val = e1000_read_phy_reg(hw, dsp_reg_array[i],
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
						     &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
			phy_data &= ~IGP01E1000_PHY_EDAC_MU_INDEX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
			ret_val = e1000_write_phy_reg(hw, dsp_reg_array[i],
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
						      phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
		hw->dsp_config_state = e1000_dsp_config_activated;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
		u16 ffe_idle_err_timeout = FFE_IDLE_ERR_COUNT_TIMEOUT_20;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
		u32 idle_errs = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
		/* clear previous idle error counts */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
		ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
		for (i = 0; i < ffe_idle_err_timeout; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
			udelay(1000);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
			ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
						     &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
			idle_errs += (phy_data & SR_1000T_IDLE_ERROR_CNT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
			if (idle_errs > SR_1000T_PHY_EXCESSIVE_IDLE_ERR_COUNT) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
				hw->ffe_config_state = e1000_ffe_config_active;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
				ret_val = e1000_write_phy_reg(hw,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
					      IGP01E1000_PHY_DSP_FFE,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
					      IGP01E1000_PHY_DSP_FFE_CM_CP);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
				if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
					return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
			if (idle_errs)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
				ffe_idle_err_timeout =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
					    FFE_IDLE_ERR_COUNT_TIMEOUT_100;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
 * e1000_config_dsp_after_link_change
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
 * @link_up: was link up at the time this was called
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
 * returns: - E1000_ERR_PHY if fail to read/write the PHY
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
 *            E1000_SUCCESS at any other case.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
 * 82541_rev_2 & 82547_rev_2 have the capability to configure the DSP when a
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
 * gigabit link is achieved to improve link quality.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
static s32 e1000_config_dsp_after_link_change(struct e1000_hw *hw, bool link_up)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
	u16 phy_data, phy_saved_data, speed, duplex, i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
	e_dbg("e1000_config_dsp_after_link_change");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
	if (hw->phy_type != e1000_phy_igp)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
		return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
	if (link_up) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
		ret_val = e1000_get_speed_and_duplex(hw, &speed, &duplex);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
			e_dbg("Error getting link speed and duplex\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
		if (speed == SPEED_1000) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
			ret_val = e1000_1000Mb_check_cable_length(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
		if (hw->dsp_config_state == e1000_dsp_config_activated) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
			/* Save off the current value of register 0x2F5B to be restored at
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
			 * the end of the routines. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
			    e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
			/* Disable the PHY transmitter */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
			ret_val = e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5388
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5389
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5390
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5391
			msleep(20);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5392
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5393
			ret_val = e1000_write_phy_reg(hw, 0x0000,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5394
						      IGP01E1000_IEEE_FORCE_GIGA);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5395
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5396
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5397
			for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5398
				ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5399
				    e1000_read_phy_reg(hw, dsp_reg_array[i],
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5400
						       &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5401
				if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5402
					return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5403
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5404
				phy_data &= ~IGP01E1000_PHY_EDAC_MU_INDEX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5405
				phy_data |= IGP01E1000_PHY_EDAC_SIGN_EXT_9_BITS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5406
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5407
				ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5408
				    e1000_write_phy_reg(hw, dsp_reg_array[i],
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5409
							phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5410
				if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5411
					return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5412
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5413
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5414
			ret_val = e1000_write_phy_reg(hw, 0x0000,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5415
						      IGP01E1000_IEEE_RESTART_AUTONEG);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5416
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5417
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5418
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5419
			msleep(20);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5420
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5421
			/* Now enable the transmitter */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5422
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5423
			    e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5424
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5425
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5426
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5427
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5428
			hw->dsp_config_state = e1000_dsp_config_enabled;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5429
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5430
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5431
		if (hw->ffe_config_state == e1000_ffe_config_active) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5432
			/* Save off the current value of register 0x2F5B to be restored at
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5433
			 * the end of the routines. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5434
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5435
			    e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5436
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5437
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5438
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5439
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5440
			/* Disable the PHY transmitter */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5441
			ret_val = e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5442
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5443
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5444
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5445
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5446
			msleep(20);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5447
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5448
			ret_val = e1000_write_phy_reg(hw, 0x0000,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5449
						      IGP01E1000_IEEE_FORCE_GIGA);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5450
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5451
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5452
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5453
			    e1000_write_phy_reg(hw, IGP01E1000_PHY_DSP_FFE,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5454
						IGP01E1000_PHY_DSP_FFE_DEFAULT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5455
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5456
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5457
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5458
			ret_val = e1000_write_phy_reg(hw, 0x0000,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5459
						      IGP01E1000_IEEE_RESTART_AUTONEG);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5460
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5461
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5462
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5463
			msleep(20);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5464
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5465
			/* Now enable the transmitter */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5466
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5467
			    e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5468
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5469
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5470
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5471
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5472
			hw->ffe_config_state = e1000_ffe_config_enabled;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5473
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5474
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5475
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5476
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5477
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5478
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5479
 * e1000_set_phy_mode - Set PHY to class A mode
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5480
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5481
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5482
 * Assumes the following operations will follow to enable the new class mode.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5483
 *  1. Do a PHY soft reset
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5484
 *  2. Restart auto-negotiation or force link.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5485
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5486
static s32 e1000_set_phy_mode(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5487
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5488
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5489
	u16 eeprom_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5490
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5491
	e_dbg("e1000_set_phy_mode");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5492
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5493
	if ((hw->mac_type == e1000_82545_rev_3) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5494
	    (hw->media_type == e1000_media_type_copper)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5495
		ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5496
		    e1000_read_eeprom(hw, EEPROM_PHY_CLASS_WORD, 1,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5497
				      &eeprom_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5498
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5499
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5500
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5501
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5502
		if ((eeprom_data != EEPROM_RESERVED_WORD) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5503
		    (eeprom_data & EEPROM_PHY_CLASS_A)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5504
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5505
			    e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5506
						0x000B);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5507
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5508
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5509
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5510
			    e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5511
						0x8104);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5512
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5513
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5514
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5515
			hw->phy_reset_disable = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5516
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5517
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5518
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5519
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5520
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5521
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5522
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5523
 * e1000_set_d3_lplu_state - set d3 link power state
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5524
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5525
 * @active: true to enable lplu false to disable lplu.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5526
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5527
 * This function sets the lplu state according to the active flag.  When
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5528
 * activating lplu this function also disables smart speed and vise versa.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5529
 * lplu will not be activated unless the device autonegotiation advertisement
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5530
 * meets standards of either 10 or 10/100 or 10/100/1000 at all duplexes.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5531
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5532
 * returns: - E1000_ERR_PHY if fail to read/write the PHY
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5533
 *            E1000_SUCCESS at any other case.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5534
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5535
static s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5536
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5537
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5538
	u16 phy_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5539
	e_dbg("e1000_set_d3_lplu_state");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5540
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5541
	if (hw->phy_type != e1000_phy_igp)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5542
		return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5543
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5544
	/* During driver activity LPLU should not be used or it will attain link
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5545
	 * from the lowest speeds starting from 10Mbps. The capability is used for
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5546
	 * Dx transitions and states */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5547
	if (hw->mac_type == e1000_82541_rev_2
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5548
	    || hw->mac_type == e1000_82547_rev_2) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5549
		ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5550
		    e1000_read_phy_reg(hw, IGP01E1000_GMII_FIFO, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5551
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5552
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5553
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5554
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5555
	if (!active) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5556
		if (hw->mac_type == e1000_82541_rev_2 ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5557
		    hw->mac_type == e1000_82547_rev_2) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5558
			phy_data &= ~IGP01E1000_GMII_FLEX_SPD;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5559
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5560
			    e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5561
						phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5562
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5563
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5564
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5565
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5566
		/* LPLU and SmartSpeed are mutually exclusive.  LPLU is used during
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5567
		 * Dx states where the power conservation is most important.  During
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5568
		 * driver activity we should enable SmartSpeed, so performance is
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5569
		 * maintained. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5570
		if (hw->smart_speed == e1000_smart_speed_on) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5571
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5572
			    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5573
					       &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5574
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5575
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5576
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5577
			phy_data |= IGP01E1000_PSCFR_SMART_SPEED;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5578
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5579
			    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5580
						phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5581
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5582
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5583
		} else if (hw->smart_speed == e1000_smart_speed_off) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5584
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5585
			    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5586
					       &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5587
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5588
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5589
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5590
			phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5591
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5592
			    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5593
						phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5594
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5595
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5596
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5597
	} else if ((hw->autoneg_advertised == AUTONEG_ADVERTISE_SPEED_DEFAULT)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5598
		   || (hw->autoneg_advertised == AUTONEG_ADVERTISE_10_ALL)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5599
		   || (hw->autoneg_advertised ==
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5600
		       AUTONEG_ADVERTISE_10_100_ALL)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5601
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5602
		if (hw->mac_type == e1000_82541_rev_2 ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5603
		    hw->mac_type == e1000_82547_rev_2) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5604
			phy_data |= IGP01E1000_GMII_FLEX_SPD;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5605
			ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5606
			    e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5607
						phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5608
			if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5609
				return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5610
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5611
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5612
		/* When LPLU is enabled we should disable SmartSpeed */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5613
		ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5614
		    e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5615
				       &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5616
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5617
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5618
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5619
		phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5620
		ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5621
		    e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5622
					phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5623
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5624
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5625
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5626
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5627
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5628
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5629
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5630
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5631
 * e1000_set_vco_speed
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5632
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5633
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5634
 * Change VCO speed register to improve Bit Error Rate performance of SERDES.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5635
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5636
static s32 e1000_set_vco_speed(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5637
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5638
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5639
	u16 default_page = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5640
	u16 phy_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5641
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5642
	e_dbg("e1000_set_vco_speed");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5643
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5644
	switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5645
	case e1000_82545_rev_3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5646
	case e1000_82546_rev_3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5647
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5648
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5649
		return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5650
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5651
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5652
	/* Set PHY register 30, page 5, bit 8 to 0 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5653
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5654
	ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5655
	    e1000_read_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, &default_page);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5656
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5657
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5658
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5659
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0005);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5660
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5661
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5662
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5663
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5664
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5665
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5666
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5667
	phy_data &= ~M88E1000_PHY_VCO_REG_BIT8;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5668
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5669
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5670
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5671
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5672
	/* Set PHY register 30, page 4, bit 11 to 1 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5673
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5674
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0004);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5675
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5676
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5677
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5678
	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, &phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5679
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5680
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5681
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5682
	phy_data |= M88E1000_PHY_VCO_REG_BIT11;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5683
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, phy_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5684
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5685
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5686
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5687
	ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5688
	    e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, default_page);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5689
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5690
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5691
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5692
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5693
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5694
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5695
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5696
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5697
 * e1000_enable_mng_pass_thru - check for bmc pass through
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5698
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5699
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5700
 * Verifies the hardware needs to allow ARPs to be processed by the host
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5701
 * returns: - true/false
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5702
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5703
u32 e1000_enable_mng_pass_thru(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5704
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5705
	u32 manc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5706
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5707
	if (hw->asf_firmware_present) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5708
		manc = er32(MANC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5709
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5710
		if (!(manc & E1000_MANC_RCV_TCO_EN) ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5711
		    !(manc & E1000_MANC_EN_MAC_ADDR_FILTER))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5712
			return false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5713
		if ((manc & E1000_MANC_SMBUS_EN) && !(manc & E1000_MANC_ASF_EN))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5714
			return true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5715
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5716
	return false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5717
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5718
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5719
static s32 e1000_polarity_reversal_workaround(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5720
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5721
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5722
	u16 mii_status_reg;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5723
	u16 i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5724
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5725
	/* Polarity reversal workaround for forced 10F/10H links. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5726
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5727
	/* Disable the transmitter on the PHY */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5728
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5729
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0019);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5730
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5731
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5732
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFFFF);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5733
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5734
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5735
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5736
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0000);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5737
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5738
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5739
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5740
	/* This loop will early-out if the NO link condition has been met. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5741
	for (i = PHY_FORCE_TIME; i > 0; i--) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5742
		/* Read the MII Status Register and wait for Link Status bit
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5743
		 * to be clear.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5744
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5745
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5746
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5747
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5748
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5749
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5750
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5751
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5752
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5753
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5754
		if ((mii_status_reg & ~MII_SR_LINK_STATUS) == 0)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5755
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5756
		msleep(100);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5757
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5758
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5759
	/* Recommended delay time after link has been lost */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5760
	msleep(1000);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5761
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5762
	/* Now we will re-enable th transmitter on the PHY */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5763
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5764
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0019);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5765
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5766
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5767
	msleep(50);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5768
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFFF0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5769
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5770
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5771
	msleep(50);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5772
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFF00);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5773
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5774
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5775
	msleep(50);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5776
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0x0000);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5777
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5778
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5779
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5780
	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0000);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5781
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5782
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5783
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5784
	/* This loop will early-out if the link condition has been met. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5785
	for (i = PHY_FORCE_TIME; i > 0; i--) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5786
		/* Read the MII Status Register and wait for Link Status bit
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5787
		 * to be set.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5788
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5789
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5790
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5791
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5792
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5793
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5794
		ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5795
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5796
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5797
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5798
		if (mii_status_reg & MII_SR_LINK_STATUS)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5799
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5800
		msleep(100);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5801
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5802
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5803
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5804
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5805
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5806
 * e1000_get_auto_rd_done
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5807
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5808
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5809
 * Check for EEPROM Auto Read bit done.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5810
 * returns: - E1000_ERR_RESET if fail to reset MAC
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5811
 *            E1000_SUCCESS at any other case.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5812
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5813
static s32 e1000_get_auto_rd_done(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5814
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5815
	e_dbg("e1000_get_auto_rd_done");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5816
	msleep(5);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5817
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5818
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5819
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5820
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5821
 * e1000_get_phy_cfg_done
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5822
 * @hw: Struct containing variables accessed by shared code
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5823
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5824
 * Checks if the PHY configuration is done
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5825
 * returns: - E1000_ERR_RESET if fail to reset MAC
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5826
 *            E1000_SUCCESS at any other case.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5827
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5828
static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5829
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5830
	e_dbg("e1000_get_phy_cfg_done");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5831
	msleep(10);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5832
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5833
}