devices/e1000/e1000_hw-2.6.13-ethercat.c
author Florian Pose <fp@igh-essen.com>
Thu, 09 Oct 2008 13:31:50 +0000
changeset 1255 38b7e05b20c1
parent 673 21c266c3f463
permissions -rw-r--r--
Added some slave configuration methods.
673
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/*******************************************************************************
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  Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
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  This program is free software; you can redistribute it and/or modify it 
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  under the terms of the GNU General Public License as published by the Free 
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  Software Foundation; either version 2 of the License, or (at your option) 
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  any later version.
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  This program is distributed in the hope that 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., 59 
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  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
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  The full GNU General Public License is included in this distribution in the
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  file called LICENSE.
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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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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_hw-2.6.13-ethercat.h"
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static int32_t 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 int32_t e1000_setup_copper_link(struct e1000_hw *hw);
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static int32_t e1000_setup_fiber_serdes_link(struct e1000_hw *hw);
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static int32_t e1000_adjust_serdes_amplitude(struct e1000_hw *hw);
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static int32_t e1000_phy_force_speed_duplex(struct e1000_hw *hw);
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static int32_t e1000_config_mac_to_phy(struct e1000_hw *hw);
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static void e1000_raise_mdi_clk(struct e1000_hw *hw, uint32_t *ctrl);
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static void e1000_lower_mdi_clk(struct e1000_hw *hw, uint32_t *ctrl);
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static void e1000_shift_out_mdi_bits(struct e1000_hw *hw, uint32_t data,
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                                     uint16_t count);
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static uint16_t e1000_shift_in_mdi_bits(struct e1000_hw *hw);
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static int32_t e1000_phy_reset_dsp(struct e1000_hw *hw);
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static int32_t e1000_write_eeprom_spi(struct e1000_hw *hw, uint16_t offset,
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                                      uint16_t words, uint16_t *data);
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static int32_t e1000_write_eeprom_microwire(struct e1000_hw *hw,
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                                            uint16_t offset, uint16_t words,
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                                            uint16_t *data);
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static int32_t e1000_spi_eeprom_ready(struct e1000_hw *hw);
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static void e1000_raise_ee_clk(struct e1000_hw *hw, uint32_t *eecd);
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static void e1000_lower_ee_clk(struct e1000_hw *hw, uint32_t *eecd);
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static void e1000_shift_out_ee_bits(struct e1000_hw *hw, uint16_t data,
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                                    uint16_t count);
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static int32_t e1000_write_phy_reg_ex(struct e1000_hw *hw, uint32_t reg_addr,
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                                      uint16_t phy_data);
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static int32_t e1000_read_phy_reg_ex(struct e1000_hw *hw,uint32_t reg_addr,
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                                     uint16_t *phy_data);
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static uint16_t e1000_shift_in_ee_bits(struct e1000_hw *hw, uint16_t count);
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static int32_t 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 int32_t e1000_set_vco_speed(struct e1000_hw *hw);
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static int32_t e1000_polarity_reversal_workaround(struct e1000_hw *hw);
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static int32_t e1000_set_phy_mode(struct e1000_hw *hw);
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static int32_t e1000_host_if_read_cookie(struct e1000_hw *hw, uint8_t *buffer);
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static uint8_t e1000_calculate_mng_checksum(char *buffer, uint32_t length);
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/* IGP cable length table */
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static const
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uint16_t 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, 100,
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      100, 100, 100, 100, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110,
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      110, 110, 110, 110, 110, 110, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120};
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static const
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uint16_t e1000_igp_2_cable_length_table[IGP02E1000_AGC_LENGTH_TABLE_SIZE] =
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    { 8, 13, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43,
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      22, 24, 27, 30, 32, 35, 37, 40, 42, 44, 47, 49, 51, 54, 56, 58,
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      32, 35, 38, 41, 44, 47, 50, 53, 55, 58, 61, 63, 66, 69, 71, 74,
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      43, 47, 51, 54, 58, 61, 64, 67, 71, 74, 77, 80, 82, 85, 88, 90,
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      57, 62, 66, 70, 74, 77, 81, 85, 88, 91, 94, 97, 100, 103, 106, 108,
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      73, 78, 82, 87, 91, 95, 98, 102, 105, 109, 112, 114, 117, 119, 122, 124,
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      91, 96, 101, 105, 109, 113, 116, 119, 122, 125, 127, 128, 128, 128, 128, 128,
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      108, 113, 117, 121, 124, 127, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128};
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/******************************************************************************
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 * Set the phy type member in the hw struct.
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 *
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 * hw - Struct containing variables accessed by shared code
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 *****************************************************************************/
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int32_t
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e1000_set_phy_type(struct e1000_hw *hw)
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{
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    DEBUGFUNC("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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        hw->phy_type = e1000_phy_m88;
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        break;
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    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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           hw->mac_type == e1000_82547 ||
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           hw->mac_type == e1000_82547_rev_2) {
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diff changeset
   121
            hw->phy_type = e1000_phy_igp;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
diff changeset
   122
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
diff changeset
   123
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   124
        /* Fall Through */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
diff changeset
   125
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
diff changeset
   126
        /* Should never have loaded on this device */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
diff changeset
   127
        hw->phy_type = e1000_phy_undefined;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   128
        return -E1000_ERR_PHY_TYPE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
diff changeset
   129
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
diff changeset
   130
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
diff changeset
   131
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
diff changeset
   132
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
diff changeset
   133
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
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   134
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
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   135
 * IGP phy init script - initializes the GbE PHY
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
diff changeset
   136
 *
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parents:
diff changeset
   137
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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diff changeset
   138
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
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   139
static void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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   140
e1000_phy_init_script(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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   141
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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   142
    uint32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
diff changeset
   143
    uint16_t phy_saved_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
diff changeset
   144
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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   145
    DEBUGFUNC("e1000_phy_init_script");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
diff changeset
   146
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   147
    if(hw->phy_init_script) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
diff changeset
   148
        msec_delay(20);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
diff changeset
   149
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
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   150
        /* Save off the current value of register 0x2F5B to be restored at
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
diff changeset
   151
         * the end of this routine. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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diff changeset
   152
        ret_val = e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   153
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   154
        /* Disabled the PHY transmitter */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
diff changeset
   155
        e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   156
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   157
        msec_delay(20);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   158
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   159
        e1000_write_phy_reg(hw,0x0000,0x0140);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   160
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   161
        msec_delay(5);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   162
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   163
        switch(hw->mac_type) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
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parents:
diff changeset
   164
        case e1000_82541:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   165
        case e1000_82547:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   166
            e1000_write_phy_reg(hw, 0x1F95, 0x0001);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   167
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   168
            e1000_write_phy_reg(hw, 0x1F71, 0xBD21);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   169
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   170
            e1000_write_phy_reg(hw, 0x1F79, 0x0018);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   171
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   172
            e1000_write_phy_reg(hw, 0x1F30, 0x1600);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   173
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   174
            e1000_write_phy_reg(hw, 0x1F31, 0x0014);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   175
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   176
            e1000_write_phy_reg(hw, 0x1F32, 0x161C);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   177
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   178
            e1000_write_phy_reg(hw, 0x1F94, 0x0003);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   179
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   180
            e1000_write_phy_reg(hw, 0x1F96, 0x003F);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   181
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   182
            e1000_write_phy_reg(hw, 0x2010, 0x0008);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   183
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   184
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   185
        case e1000_82541_rev_2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   186
        case e1000_82547_rev_2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   187
            e1000_write_phy_reg(hw, 0x1F73, 0x0099);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   188
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   189
        default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   190
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   191
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   192
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   193
        e1000_write_phy_reg(hw, 0x0000, 0x3300);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   194
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   195
        msec_delay(20);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   196
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   197
        /* Now enable the transmitter */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   198
        e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   199
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   200
        if(hw->mac_type == e1000_82547) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   201
            uint16_t fused, fine, coarse;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   202
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   203
            /* Move to analog registers page */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   204
            e1000_read_phy_reg(hw, IGP01E1000_ANALOG_SPARE_FUSE_STATUS, &fused);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   205
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   206
            if(!(fused & IGP01E1000_ANALOG_SPARE_FUSE_ENABLED)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   207
                e1000_read_phy_reg(hw, IGP01E1000_ANALOG_FUSE_STATUS, &fused);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   208
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   209
                fine = fused & IGP01E1000_ANALOG_FUSE_FINE_MASK;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   210
                coarse = fused & IGP01E1000_ANALOG_FUSE_COARSE_MASK;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   211
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   212
                if(coarse > IGP01E1000_ANALOG_FUSE_COARSE_THRESH) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   213
                    coarse -= IGP01E1000_ANALOG_FUSE_COARSE_10;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   214
                    fine -= IGP01E1000_ANALOG_FUSE_FINE_1;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   215
                } else if(coarse == IGP01E1000_ANALOG_FUSE_COARSE_THRESH)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   216
                    fine -= IGP01E1000_ANALOG_FUSE_FINE_10;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   217
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   218
                fused = (fused & IGP01E1000_ANALOG_FUSE_POLY_MASK) |
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   219
                        (fine & IGP01E1000_ANALOG_FUSE_FINE_MASK) |
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   220
                        (coarse & IGP01E1000_ANALOG_FUSE_COARSE_MASK);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   222
                e1000_write_phy_reg(hw, IGP01E1000_ANALOG_FUSE_CONTROL, fused);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   223
                e1000_write_phy_reg(hw, IGP01E1000_ANALOG_FUSE_BYPASS,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   224
                                    IGP01E1000_ANALOG_FUSE_ENABLE_SW_CONTROL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   226
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   227
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   228
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   229
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   230
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   231
 * Set the mac type member in the hw struct.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   232
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   233
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
e1000_set_mac_type(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   237
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   238
    DEBUGFUNC("e1000_set_mac_type");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   240
    switch (hw->device_id) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
    case E1000_DEV_ID_82542:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   242
        switch (hw->revision_id) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
        case E1000_82542_2_0_REV_ID:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
            hw->mac_type = e1000_82542_rev2_0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
        case E1000_82542_2_1_REV_ID:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   247
            hw->mac_type = e1000_82542_rev2_1;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   248
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   249
        default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   250
            /* Invalid 82542 revision ID */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   251
            return -E1000_ERR_MAC_TYPE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   252
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   253
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
    case E1000_DEV_ID_82543GC_FIBER:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   255
    case E1000_DEV_ID_82543GC_COPPER:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
        hw->mac_type = e1000_82543;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   257
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
    case E1000_DEV_ID_82544EI_COPPER:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
    case E1000_DEV_ID_82544EI_FIBER:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
    case E1000_DEV_ID_82544GC_COPPER:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
    case E1000_DEV_ID_82544GC_LOM:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
        hw->mac_type = e1000_82544;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
    case E1000_DEV_ID_82540EM:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
    case E1000_DEV_ID_82540EM_LOM:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
    case E1000_DEV_ID_82540EP:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
    case E1000_DEV_ID_82540EP_LOM:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
    case E1000_DEV_ID_82540EP_LP:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
        hw->mac_type = e1000_82540;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
    case E1000_DEV_ID_82545EM_COPPER:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
    case E1000_DEV_ID_82545EM_FIBER:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
        hw->mac_type = e1000_82545;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
    case E1000_DEV_ID_82545GM_COPPER:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
    case E1000_DEV_ID_82545GM_FIBER:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
    case E1000_DEV_ID_82545GM_SERDES:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
        hw->mac_type = e1000_82545_rev_3;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
    case E1000_DEV_ID_82546EB_COPPER:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
    case E1000_DEV_ID_82546EB_FIBER:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
    case E1000_DEV_ID_82546EB_QUAD_COPPER:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
        hw->mac_type = e1000_82546;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
    case E1000_DEV_ID_82546GB_COPPER:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
    case E1000_DEV_ID_82546GB_FIBER:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
    case E1000_DEV_ID_82546GB_SERDES:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
    case E1000_DEV_ID_82546GB_PCIE:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
    case E1000_DEV_ID_82546GB_QUAD_COPPER:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
        hw->mac_type = e1000_82546_rev_3;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
    case E1000_DEV_ID_82541EI:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
    case E1000_DEV_ID_82541EI_MOBILE:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
        hw->mac_type = e1000_82541;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
    case E1000_DEV_ID_82541ER:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
    case E1000_DEV_ID_82541GI:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
    case E1000_DEV_ID_82541GI_LF:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
    case E1000_DEV_ID_82541GI_MOBILE:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
        hw->mac_type = e1000_82541_rev_2;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
    case E1000_DEV_ID_82547EI:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
        hw->mac_type = e1000_82547;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
    case E1000_DEV_ID_82547GI:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
        hw->mac_type = e1000_82547_rev_2;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
    case E1000_DEV_ID_82573E:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
    case E1000_DEV_ID_82573E_IAMT:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
        hw->mac_type = e1000_82573;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
        /* Should never have loaded on this device */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
        return -E1000_ERR_MAC_TYPE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
    switch(hw->mac_type) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
    case e1000_82573:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
        hw->eeprom_semaphore_present = TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
        /* fall through */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
    case e1000_82541:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
    case e1000_82547:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
    case e1000_82541_rev_2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
    case e1000_82547_rev_2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
        hw->asf_firmware_present = TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
/*****************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
 * Set media type and TBI compatibility.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
 * **************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
e1000_set_media_type(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
    uint32_t status;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
    DEBUGFUNC("e1000_set_media_type");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
    if(hw->mac_type != e1000_82543) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
        /* tbi_compatibility is only valid on 82543 */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
        hw->tbi_compatibility_en = FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
    switch (hw->device_id) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
    case E1000_DEV_ID_82545GM_SERDES:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
    case E1000_DEV_ID_82546GB_SERDES:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
        hw->media_type = e1000_media_type_internal_serdes;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
        switch (hw->mac_type) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
        case e1000_82542_rev2_0:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
        case e1000_82542_rev2_1:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
            hw->media_type = e1000_media_type_fiber;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
        case e1000_82573:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
            /* The STATUS_TBIMODE bit is reserved or reused for the this
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
             * device.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
             */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
            hw->media_type = e1000_media_type_copper;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
        default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
            status = E1000_READ_REG(hw, STATUS);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
            if (status & E1000_STATUS_TBIMODE) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
                hw->media_type = e1000_media_type_fiber;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
                /* tbi_compatibility not valid on fiber */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
                hw->tbi_compatibility_en = FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
            } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
                hw->media_type = e1000_media_type_copper;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
 * Reset the transmit and receive units; mask and clear all interrupts.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
e1000_reset_hw(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
    uint32_t ctrl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
    uint32_t ctrl_ext;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
    uint32_t icr;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
    uint32_t manc;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
    uint32_t led_ctrl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
    uint32_t timeout;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
    uint32_t extcnf_ctrl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
    DEBUGFUNC("e1000_reset_hw");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
    /* For 82542 (rev 2.0), disable MWI before issuing a device reset */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
    if(hw->mac_type == e1000_82542_rev2_0) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
        DEBUGOUT("Disabling MWI on 82542 rev 2.0\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
        e1000_pci_clear_mwi(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
    if(hw->bus_type == e1000_bus_type_pci_express) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
        /* Prevent the PCI-E bus from sticking if there is no TLP connection
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
         * on the last TLP read/write transaction when MAC is reset.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
        if(e1000_disable_pciex_master(hw) != E1000_SUCCESS) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
            DEBUGOUT("PCI-E Master disable polling has failed.\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
    /* Clear interrupt mask to stop board from generating interrupts */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
    DEBUGOUT("Masking off all interrupts\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
    E1000_WRITE_REG(hw, IMC, 0xffffffff);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
    /* Disable the Transmit and Receive units.  Then delay to allow
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
     * any pending transactions to complete before we hit the MAC with
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
     * the global reset.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
    E1000_WRITE_REG(hw, RCTL, 0);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
    E1000_WRITE_REG(hw, TCTL, E1000_TCTL_PSP);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
    E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
    /* The tbi_compatibility_on Flag must be cleared when Rctl is cleared. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
    hw->tbi_compatibility_on = FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
    /* Delay to allow any outstanding PCI transactions to complete before
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
     * resetting the device
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
    msec_delay(10);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
    ctrl = E1000_READ_REG(hw, CTRL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
    /* Must reset the PHY before resetting the MAC */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
    if((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
        E1000_WRITE_REG(hw, CTRL, (ctrl | E1000_CTRL_PHY_RST));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
        msec_delay(5);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
    /* Must acquire the MDIO ownership before MAC reset.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
     * Ownership defaults to firmware after a reset. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
    if(hw->mac_type == e1000_82573) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
        timeout = 10;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
        extcnf_ctrl = E1000_READ_REG(hw, EXTCNF_CTRL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
        extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
        do {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
            E1000_WRITE_REG(hw, EXTCNF_CTRL, extcnf_ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
            extcnf_ctrl = E1000_READ_REG(hw, EXTCNF_CTRL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
            if(extcnf_ctrl & E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
                break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
            else
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
                extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
            msec_delay(2);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
            timeout--;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
        } while(timeout);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
    /* Issue a global reset to the MAC.  This will reset the chip's
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
     * transmit, receive, DMA, and link units.  It will not effect
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
     * the current PCI configuration.  The global reset bit is self-
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
     * clearing, and should clear within a microsecond.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
    DEBUGOUT("Issuing a global reset to MAC\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
    switch(hw->mac_type) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
        case e1000_82544:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
        case e1000_82540:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
        case e1000_82545:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
        case e1000_82546:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
        case e1000_82541:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
        case e1000_82541_rev_2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
            /* These controllers can't ack the 64-bit write when issuing the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
             * reset, so use IO-mapping as a workaround to issue the reset */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
            E1000_WRITE_REG_IO(hw, CTRL, (ctrl | E1000_CTRL_RST));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
        case e1000_82545_rev_3:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
        case e1000_82546_rev_3:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
            /* Reset is performed on a shadow of the control register */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
            E1000_WRITE_REG(hw, CTRL_DUP, (ctrl | E1000_CTRL_RST));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
        default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
            E1000_WRITE_REG(hw, CTRL, (ctrl | E1000_CTRL_RST));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
    /* After MAC reset, force reload of EEPROM to restore power-on settings to
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
     * device.  Later controllers reload the EEPROM automatically, so just wait
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
     * for reload to complete.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
    switch(hw->mac_type) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
        case e1000_82542_rev2_0:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
        case e1000_82542_rev2_1:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
        case e1000_82543:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
        case e1000_82544:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
            /* Wait for reset to complete */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
            udelay(10);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
            ctrl_ext = E1000_READ_REG(hw, CTRL_EXT);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
            ctrl_ext |= E1000_CTRL_EXT_EE_RST;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
            E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
            E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
            /* Wait for EEPROM reload */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
            msec_delay(2);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
        case e1000_82541:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
        case e1000_82541_rev_2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
        case e1000_82547:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
        case e1000_82547_rev_2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
            /* Wait for EEPROM reload */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
            msec_delay(20);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
        case e1000_82573:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
            udelay(10);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
            ctrl_ext = E1000_READ_REG(hw, CTRL_EXT);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
            ctrl_ext |= E1000_CTRL_EXT_EE_RST;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
            E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
            E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
            /* fall through */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
            ret_val = e1000_get_auto_rd_done(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
                /* We don't want to continue accessing MAC registers. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
        default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
            /* Wait for EEPROM reload (it happens automatically) */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
            msec_delay(5);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
    /* Disable HW ARPs on ASF enabled adapters */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
    if(hw->mac_type >= e1000_82540 && hw->mac_type <= e1000_82547_rev_2) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
        manc = E1000_READ_REG(hw, MANC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
        manc &= ~(E1000_MANC_ARP_EN);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
        E1000_WRITE_REG(hw, MANC, manc);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
    if((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
        e1000_phy_init_script(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
        /* Configure activity LED after PHY reset */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
        led_ctrl = E1000_READ_REG(hw, LEDCTL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
        led_ctrl &= IGP_ACTIVITY_LED_MASK;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
        led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
        E1000_WRITE_REG(hw, LEDCTL, led_ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
    /* Clear interrupt mask to stop board from generating interrupts */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
    DEBUGOUT("Masking off all interrupts\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
    E1000_WRITE_REG(hw, IMC, 0xffffffff);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
    /* Clear any pending interrupt events. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
    icr = E1000_READ_REG(hw, ICR);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
    /* If MWI was previously enabled, reenable it. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
    if(hw->mac_type == e1000_82542_rev2_0) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
        if(hw->pci_cmd_word & CMD_MEM_WRT_INVALIDATE)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
            e1000_pci_set_mwi(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
 * Performs basic configuration of the adapter.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
 * Assumes that the controller has previously been reset and is in a
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
 * post-reset uninitialized state. Initializes the receive address registers,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
 * multicast table, and VLAN filter table. Calls routines to setup link
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
 * configuration and flow control settings. Clears all on-chip counters. Leaves
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
 * the transmit and receive units disabled and uninitialized.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
e1000_init_hw(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
    uint32_t ctrl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
    uint32_t i;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
    uint16_t pcix_cmd_word;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
    uint16_t pcix_stat_hi_word;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
    uint16_t cmd_mmrbc;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
    uint16_t stat_mmrbc;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
    uint32_t mta_size;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
    DEBUGFUNC("e1000_init_hw");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
    /* Initialize Identification LED */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
    ret_val = e1000_id_led_init(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
    if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
        DEBUGOUT("Error Initializing Identification LED\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
    /* Set the media type and TBI compatibility */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
    e1000_set_media_type(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
    /* Disabling VLAN filtering. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
    DEBUGOUT("Initializing the IEEE VLAN\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
    if (hw->mac_type < e1000_82545_rev_3)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
        E1000_WRITE_REG(hw, VET, 0);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
    e1000_clear_vfta(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
    /* For 82542 (rev 2.0), disable MWI and put the receiver into reset */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
    if(hw->mac_type == e1000_82542_rev2_0) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
        DEBUGOUT("Disabling MWI on 82542 rev 2.0\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
        e1000_pci_clear_mwi(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
        E1000_WRITE_REG(hw, RCTL, E1000_RCTL_RST);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
        E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
        msec_delay(5);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
    /* Setup the receive address. This involves initializing all of the Receive
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
     * Address Registers (RARs 0 - 15).
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
    e1000_init_rx_addrs(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
    /* For 82542 (rev 2.0), take the receiver out of reset and enable MWI */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
    if(hw->mac_type == e1000_82542_rev2_0) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
        E1000_WRITE_REG(hw, RCTL, 0);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
        E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
        msec_delay(1);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
        if(hw->pci_cmd_word & CMD_MEM_WRT_INVALIDATE)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
            e1000_pci_set_mwi(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
    /* Zero out the Multicast HASH table */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
    DEBUGOUT("Zeroing the MTA\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
    mta_size = E1000_MC_TBL_SIZE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
    for(i = 0; i < mta_size; i++)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
        E1000_WRITE_REG_ARRAY(hw, MTA, i, 0);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
    /* Set the PCI priority bit correctly in the CTRL register.  This
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
     * determines if the adapter gives priority to receives, or if it
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
     * gives equal priority to transmits and receives.  Valid only on
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
     * 82542 and 82543 silicon.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
    if(hw->dma_fairness && hw->mac_type <= e1000_82543) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
        ctrl = E1000_READ_REG(hw, CTRL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
        E1000_WRITE_REG(hw, CTRL, ctrl | E1000_CTRL_PRIOR);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
    switch(hw->mac_type) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
    case e1000_82545_rev_3:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
    case e1000_82546_rev_3:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
        /* Workaround for PCI-X problem when BIOS sets MMRBC incorrectly. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
        if(hw->bus_type == e1000_bus_type_pcix) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
            e1000_read_pci_cfg(hw, PCIX_COMMAND_REGISTER, &pcix_cmd_word);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
            e1000_read_pci_cfg(hw, PCIX_STATUS_REGISTER_HI,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
                &pcix_stat_hi_word);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
            cmd_mmrbc = (pcix_cmd_word & PCIX_COMMAND_MMRBC_MASK) >>
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
                PCIX_COMMAND_MMRBC_SHIFT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
            stat_mmrbc = (pcix_stat_hi_word & PCIX_STATUS_HI_MMRBC_MASK) >>
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
                PCIX_STATUS_HI_MMRBC_SHIFT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
            if(stat_mmrbc == PCIX_STATUS_HI_MMRBC_4K)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
                stat_mmrbc = PCIX_STATUS_HI_MMRBC_2K;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
            if(cmd_mmrbc > stat_mmrbc) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
                pcix_cmd_word &= ~PCIX_COMMAND_MMRBC_MASK;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
                pcix_cmd_word |= stat_mmrbc << PCIX_COMMAND_MMRBC_SHIFT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
                e1000_write_pci_cfg(hw, PCIX_COMMAND_REGISTER,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
                    &pcix_cmd_word);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
    /* Call a subroutine to configure the link and setup flow control. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
    ret_val = e1000_setup_link(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
    /* Set the transmit descriptor write-back policy */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
    if(hw->mac_type > e1000_82544) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
        ctrl = E1000_READ_REG(hw, TXDCTL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
        ctrl = (ctrl & ~E1000_TXDCTL_WTHRESH) | E1000_TXDCTL_FULL_TX_DESC_WB;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
        switch (hw->mac_type) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
        default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
        case e1000_82573:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
            ctrl |= E1000_TXDCTL_COUNT_DESC;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
        E1000_WRITE_REG(hw, TXDCTL, ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
    if (hw->mac_type == e1000_82573) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
        e1000_enable_tx_pkt_filtering(hw); 
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
    /* Clear all of the statistics registers (clear on read).  It is
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
     * important that we do this after we have tried to establish link
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
     * because the symbol error count will increment wildly if there
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
     * is no link.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
    e1000_clear_hw_cntrs(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
    return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
 * Adjust SERDES output amplitude based on EEPROM setting.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
 * hw - Struct containing variables accessed by shared code.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
static int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
e1000_adjust_serdes_amplitude(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
    uint16_t eeprom_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
    int32_t  ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
    DEBUGFUNC("e1000_adjust_serdes_amplitude");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
    if(hw->media_type != e1000_media_type_internal_serdes)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
        return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
    switch(hw->mac_type) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
    case e1000_82545_rev_3:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
    case e1000_82546_rev_3:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
        return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
    ret_val = e1000_read_eeprom(hw, EEPROM_SERDES_AMPLITUDE, 1, &eeprom_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
    if (ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
    if(eeprom_data != EEPROM_RESERVED_WORD) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
        /* Adjust SERDES output amplitude only. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
        eeprom_data &= EEPROM_SERDES_AMPLITUDE_MASK; 
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
        ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_EXT_CTRL, eeprom_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
 * Configures flow control and link settings.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
 * Determines which flow control settings to use. Calls the apropriate media-
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
 * specific link configuration function. Configures the flow control settings.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
 * Assuming the adapter has a valid link partner, a valid link should be
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
 * established. Assumes the hardware has previously been reset and the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
 * transmitter and receiver are not enabled.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
e1000_setup_link(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
    uint32_t ctrl_ext;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
    uint16_t eeprom_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
    DEBUGFUNC("e1000_setup_link");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
    /* Read and store word 0x0F of the EEPROM. This word contains bits
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
     * that determine the hardware's default PAUSE (flow control) mode,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
     * a bit that determines whether the HW defaults to enabling or
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
     * disabling auto-negotiation, and the direction of the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
     * SW defined pins. If there is no SW over-ride of the flow
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
     * control setting, then the variable hw->fc will
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
     * be initialized based on a value in the EEPROM.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
    if(e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
        DEBUGOUT("EEPROM Read Error\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
        return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
    if(hw->fc == e1000_fc_default) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
        if((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == 0)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
            hw->fc = e1000_fc_none;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
        else if((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) ==
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
                EEPROM_WORD0F_ASM_DIR)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
            hw->fc = e1000_fc_tx_pause;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
        else
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
            hw->fc = e1000_fc_full;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
    /* We want to save off the original Flow Control configuration just
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
     * in case we get disconnected and then reconnected into a different
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
     * hub or switch with different Flow Control capabilities.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
    if(hw->mac_type == e1000_82542_rev2_0)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
        hw->fc &= (~e1000_fc_tx_pause);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
    if((hw->mac_type < e1000_82543) && (hw->report_tx_early == 1))
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
        hw->fc &= (~e1000_fc_rx_pause);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
    hw->original_fc = hw->fc;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
    DEBUGOUT1("After fix-ups FlowControl is now = %x\n", hw->fc);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
    /* Take the 4 bits from EEPROM word 0x0F that determine the initial
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
     * polarity value for the SW controlled pins, and setup the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
     * Extended Device Control reg with that info.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
     * This is needed because one of the SW controlled pins is used for
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
     * signal detection.  So this should be done before e1000_setup_pcs_link()
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
     * or e1000_phy_setup() is called.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
    if(hw->mac_type == e1000_82543) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
        ctrl_ext = ((eeprom_data & EEPROM_WORD0F_SWPDIO_EXT) <<
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
                    SWDPIO__EXT_SHIFT);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
        E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
    /* Call the necessary subroutine to configure the link. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
    ret_val = (hw->media_type == e1000_media_type_copper) ?
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
              e1000_setup_copper_link(hw) :
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
              e1000_setup_fiber_serdes_link(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
    /* Initialize the flow control address, type, and PAUSE timer
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
     * registers to their default values.  This is done even if flow
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
     * control is disabled, because it does not hurt anything to
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
     * initialize these registers.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
    DEBUGOUT("Initializing the Flow Control address, type and timer regs\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
    E1000_WRITE_REG(hw, FCAL, FLOW_CONTROL_ADDRESS_LOW);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
    E1000_WRITE_REG(hw, FCAH, FLOW_CONTROL_ADDRESS_HIGH);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
    E1000_WRITE_REG(hw, FCT, FLOW_CONTROL_TYPE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
    E1000_WRITE_REG(hw, FCTTV, hw->fc_pause_time);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
    /* Set the flow control receive threshold registers.  Normally,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
     * these registers will be set to a default threshold that may be
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
     * adjusted later by the driver's runtime code.  However, if the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
     * ability to transmit pause frames in not enabled, then these
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
     * registers will be set to 0.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
    if(!(hw->fc & e1000_fc_tx_pause)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
        E1000_WRITE_REG(hw, FCRTL, 0);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
        E1000_WRITE_REG(hw, FCRTH, 0);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
        /* We need to set up the Receive Threshold high and low water marks
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
         * as well as (optionally) enabling the transmission of XON frames.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
        if(hw->fc_send_xon) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
            E1000_WRITE_REG(hw, FCRTL, (hw->fc_low_water | E1000_FCRTL_XONE));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
            E1000_WRITE_REG(hw, FCRTH, hw->fc_high_water);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
        } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
            E1000_WRITE_REG(hw, FCRTL, hw->fc_low_water);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
            E1000_WRITE_REG(hw, FCRTH, hw->fc_high_water);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
    return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
 * Sets up link for a fiber based or serdes based adapter
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
 * Manipulates Physical Coding Sublayer functions in order to configure
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
 * link. Assumes the hardware has been previously reset and the transmitter
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
 * and receiver are not enabled.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
static int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
e1000_setup_fiber_serdes_link(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
    uint32_t ctrl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
    uint32_t status;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
    uint32_t txcw = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
    uint32_t i;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
    uint32_t signal = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
    DEBUGFUNC("e1000_setup_fiber_serdes_link");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
    /* On adapters with a MAC newer than 82544, SW Defineable pin 1 will be
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
     * set when the optics detect a signal. On older adapters, it will be
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
     * cleared when there is a signal.  This applies to fiber media only.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
     * If we're on serdes media, adjust the output amplitude to value set in
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
     * the EEPROM.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
    ctrl = E1000_READ_REG(hw, CTRL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
    if(hw->media_type == e1000_media_type_fiber)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
        signal = (hw->mac_type > e1000_82544) ? E1000_CTRL_SWDPIN1 : 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
    ret_val = e1000_adjust_serdes_amplitude(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
    /* Take the link out of reset */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
    ctrl &= ~(E1000_CTRL_LRST);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
    /* Adjust VCO speed to improve BER performance */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
    ret_val = e1000_set_vco_speed(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
    e1000_config_collision_dist(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
    /* Check for a software override of the flow control settings, and setup
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
     * the device accordingly.  If auto-negotiation is enabled, then software
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
     * will have to set the "PAUSE" bits to the correct value in the Tranmsit
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
     * Config Word Register (TXCW) and re-start auto-negotiation.  However, if
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
     * auto-negotiation is disabled, then software will have to manually
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
     * configure the two flow control enable bits in the CTRL register.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
     *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
     * The possible values of the "fc" parameter are:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
     *      0:  Flow control is completely disabled
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
     *      1:  Rx flow control is enabled (we can receive pause frames, but
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
     *          not send pause frames).
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
     *      2:  Tx flow control is enabled (we can send pause frames but we do
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
     *          not support receiving pause frames).
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
     *      3:  Both Rx and TX flow control (symmetric) are enabled.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
    switch (hw->fc) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
    case e1000_fc_none:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
        /* Flow control is completely disabled by a software over-ride. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
        txcw = (E1000_TXCW_ANE | E1000_TXCW_FD);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
    case e1000_fc_rx_pause:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
        /* RX Flow control is enabled and TX Flow control is disabled by a
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
         * software over-ride. Since there really isn't a way to advertise
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
         * that we are capable of RX Pause ONLY, we will advertise that we
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
         * support both symmetric and asymmetric RX PAUSE. Later, we will
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
         *  disable the adapter's ability to send PAUSE frames.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
        txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
    case e1000_fc_tx_pause:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
        /* TX Flow control is enabled, and RX Flow control is disabled, by a
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
         * software over-ride.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
        txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_ASM_DIR);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
    case e1000_fc_full:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
        /* Flow control (both RX and TX) is enabled by a software over-ride. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
        txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
        DEBUGOUT("Flow control param set incorrectly\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
        return -E1000_ERR_CONFIG;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
    /* Since auto-negotiation is enabled, take the link out of reset (the link
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
     * will be in reset, because we previously reset the chip). This will
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
     * restart auto-negotiation.  If auto-neogtiation is successful then the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
     * link-up status bit will be set and the flow control enable bits (RFCE
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
     * and TFCE) will be set according to their negotiated value.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
    DEBUGOUT("Auto-negotiation enabled\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
    E1000_WRITE_REG(hw, TXCW, txcw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
    E1000_WRITE_REG(hw, CTRL, ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
    E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
    hw->txcw = txcw;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
    msec_delay(1);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
    /* If we have a signal (the cable is plugged in) then poll for a "Link-Up"
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
     * indication in the Device Status Register.  Time-out if a link isn't
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
     * seen in 500 milliseconds seconds (Auto-negotiation should complete in
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
     * less than 500 milliseconds even if the other end is doing it in SW).
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
     * For internal serdes, we just assume a signal is present, then poll.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
    if(hw->media_type == e1000_media_type_internal_serdes ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
       (E1000_READ_REG(hw, CTRL) & E1000_CTRL_SWDPIN1) == signal) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
        DEBUGOUT("Looking for Link\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
        for(i = 0; i < (LINK_UP_TIMEOUT / 10); i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
            msec_delay(10);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
            status = E1000_READ_REG(hw, STATUS);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
            if(status & E1000_STATUS_LU) break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
        if(i == (LINK_UP_TIMEOUT / 10)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
            DEBUGOUT("Never got a valid link from auto-neg!!!\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
            hw->autoneg_failed = 1;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
            /* AutoNeg failed to achieve a link, so we'll call
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
             * e1000_check_for_link. This routine will force the link up if
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
             * we detect a signal. This will allow us to communicate with
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
             * non-autonegotiating link partners.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
             */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
            ret_val = e1000_check_for_link(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
            if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
                DEBUGOUT("Error while checking for link\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
            hw->autoneg_failed = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
        } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
            hw->autoneg_failed = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
            DEBUGOUT("Valid Link Found\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
        DEBUGOUT("No Signal Detected\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
* Make sure we have a valid PHY and change PHY mode before link setup.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
static int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
e1000_copper_link_preconfig(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
    uint32_t ctrl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
    uint16_t phy_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
    DEBUGFUNC("e1000_copper_link_preconfig");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
    ctrl = E1000_READ_REG(hw, CTRL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
    /* With 82543, we need to force speed and duplex on the MAC equal to what
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
     * the PHY speed and duplex configuration is. In addition, we need to
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
     * perform a hardware reset on the PHY to take it out of reset.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
    if(hw->mac_type > e1000_82543) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
        ctrl |= E1000_CTRL_SLU;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
        ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
        E1000_WRITE_REG(hw, CTRL, ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
        ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX | E1000_CTRL_SLU);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
        E1000_WRITE_REG(hw, CTRL, ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
        ret_val = e1000_phy_hw_reset(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
    /* Make sure we have a valid PHY */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
    ret_val = e1000_detect_gig_phy(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
    if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
        DEBUGOUT("Error, did not detect valid phy.\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
    DEBUGOUT1("Phy ID = %x \n", hw->phy_id);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
    /* Set PHY to class A mode (if necessary) */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
    ret_val = e1000_set_phy_mode(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
    if((hw->mac_type == e1000_82545_rev_3) ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
       (hw->mac_type == e1000_82546_rev_3)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
        ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
        phy_data |= 0x00000008;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
        ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
    if(hw->mac_type <= e1000_82543 ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
       hw->mac_type == e1000_82541 || hw->mac_type == e1000_82547 ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
       hw->mac_type == e1000_82541_rev_2 || hw->mac_type == e1000_82547_rev_2)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
        hw->phy_reset_disable = FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
   return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
/********************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
* Copper link setup for e1000_phy_igp series.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
*********************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
static int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
e1000_copper_link_igp_setup(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
    uint32_t led_ctrl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
    uint16_t phy_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
    DEBUGFUNC("e1000_copper_link_igp_setup");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
    if (hw->phy_reset_disable)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
        return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
    
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
    ret_val = e1000_phy_reset(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
    if (ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
        DEBUGOUT("Error Resetting the PHY\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
    /* Wait 10ms for MAC to configure PHY from eeprom settings */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
    msec_delay(15);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
    /* Configure activity LED after PHY reset */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
    led_ctrl = E1000_READ_REG(hw, LEDCTL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
    led_ctrl &= IGP_ACTIVITY_LED_MASK;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
    led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
    E1000_WRITE_REG(hw, LEDCTL, led_ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
    /* disable lplu d3 during driver init */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
    ret_val = e1000_set_d3_lplu_state(hw, FALSE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
    if (ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
        DEBUGOUT("Error Disabling LPLU D3\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
    /* disable lplu d0 during driver init */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
    ret_val = e1000_set_d0_lplu_state(hw, FALSE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
    if (ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
        DEBUGOUT("Error Disabling LPLU D0\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
    /* Configure mdi-mdix settings */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
    ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
    if (ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
    if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
        hw->dsp_config_state = e1000_dsp_config_disabled;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
        /* Force MDI for earlier revs of the IGP PHY */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
        phy_data &= ~(IGP01E1000_PSCR_AUTO_MDIX | IGP01E1000_PSCR_FORCE_MDI_MDIX);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
        hw->mdix = 1;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
        hw->dsp_config_state = e1000_dsp_config_enabled;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
        phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
        switch (hw->mdix) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
        case 1:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
            phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
        case 2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
            phy_data |= IGP01E1000_PSCR_FORCE_MDI_MDIX;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
        case 0:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
        default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
            phy_data |= IGP01E1000_PSCR_AUTO_MDIX;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
    ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
    /* set auto-master slave resolution settings */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
    if(hw->autoneg) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
        e1000_ms_type phy_ms_setting = hw->master_slave;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
        if(hw->ffe_config_state == e1000_ffe_config_active)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
            hw->ffe_config_state = e1000_ffe_config_enabled;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
        if(hw->dsp_config_state == e1000_dsp_config_activated)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
            hw->dsp_config_state = e1000_dsp_config_enabled;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
        /* when autonegotiation advertisment is only 1000Mbps then we
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
          * should disable SmartSpeed and enable Auto MasterSlave
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
          * resolution as hardware default. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
        if(hw->autoneg_advertised == ADVERTISE_1000_FULL) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
            /* Disable SmartSpeed */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
            ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
            phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
            ret_val = e1000_write_phy_reg(hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
                                                  IGP01E1000_PHY_PORT_CONFIG,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
                                                  phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
            /* Set auto Master/Slave resolution process */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
            ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
            phy_data &= ~CR_1000T_MS_ENABLE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
            ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
        ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
        /* load defaults for future use */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
        hw->original_master_slave = (phy_data & CR_1000T_MS_ENABLE) ?
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
                                        ((phy_data & CR_1000T_MS_VALUE) ?
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
                                         e1000_ms_force_master :
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
                                         e1000_ms_force_slave) :
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
                                         e1000_ms_auto;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
        switch (phy_ms_setting) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
        case e1000_ms_force_master:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
            phy_data |= (CR_1000T_MS_ENABLE | CR_1000T_MS_VALUE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
        case e1000_ms_force_slave:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
            phy_data |= CR_1000T_MS_ENABLE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
            phy_data &= ~(CR_1000T_MS_VALUE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
        case e1000_ms_auto:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
            phy_data &= ~CR_1000T_MS_ENABLE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
            default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
        ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
/********************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
* Copper link setup for e1000_phy_m88 series.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
*********************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
static int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
e1000_copper_link_mgp_setup(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
    uint16_t phy_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
    DEBUGFUNC("e1000_copper_link_mgp_setup");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
    if(hw->phy_reset_disable)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
        return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
    
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
    /* Enable CRS on TX. This must be set for half-duplex operation. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
    ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
    phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
    /* Options:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
     *   MDI/MDI-X = 0 (default)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
     *   0 - Auto for all speeds
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
     *   1 - MDI mode
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
     *   2 - MDI-X mode
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
     *   3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
    phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
    switch (hw->mdix) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
    case 1:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
        phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
    case 2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
        phy_data |= M88E1000_PSCR_MDIX_MANUAL_MODE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
    case 3:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
        phy_data |= M88E1000_PSCR_AUTO_X_1000T;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
    case 0:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
        phy_data |= M88E1000_PSCR_AUTO_X_MODE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
    /* Options:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
     *   disable_polarity_correction = 0 (default)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
     *       Automatic Correction for Reversed Cable Polarity
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
     *   0 - Disabled
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
     *   1 - Enabled
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
    phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
    if(hw->disable_polarity_correction == 1)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
        phy_data |= M88E1000_PSCR_POLARITY_REVERSAL;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
        ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
    /* Force TX_CLK in the Extended PHY Specific Control Register
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
     * to 25MHz clock.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
    ret_val = e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
    phy_data |= M88E1000_EPSCR_TX_CLK_25;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
    if (hw->phy_revision < M88E1011_I_REV_4) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
        /* Configure Master and Slave downshift values */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
        phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK |
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
                              M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
        phy_data |= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X |
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
                             M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
        ret_val = e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
    /* SW Reset the PHY so all changes take effect */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
    ret_val = e1000_phy_reset(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
    if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
        DEBUGOUT("Error Resetting the PHY\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
   return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
/********************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
* Setup auto-negotiation and flow control advertisements,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
* and then perform auto-negotiation.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
*********************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
static int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
e1000_copper_link_autoneg(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
    uint16_t phy_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
    DEBUGFUNC("e1000_copper_link_autoneg");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
    /* Perform some bounds checking on the hw->autoneg_advertised
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
     * parameter.  If this variable is zero, then set it to the default.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
    hw->autoneg_advertised &= AUTONEG_ADVERTISE_SPEED_DEFAULT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
    /* If autoneg_advertised is zero, we assume it was not defaulted
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
     * by the calling code so we set to advertise full capability.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
    if(hw->autoneg_advertised == 0)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
        hw->autoneg_advertised = AUTONEG_ADVERTISE_SPEED_DEFAULT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
    DEBUGOUT("Reconfiguring auto-neg advertisement params\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
    ret_val = e1000_phy_setup_autoneg(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
    if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
        DEBUGOUT("Error Setting up Auto-Negotiation\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
    DEBUGOUT("Restarting Auto-Neg\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
    /* Restart auto-negotiation by setting the Auto Neg Enable bit and
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
     * the Auto Neg Restart bit in the PHY control register.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
    ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
    phy_data |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
    ret_val = e1000_write_phy_reg(hw, PHY_CTRL, phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
    /* Does the user want to wait for Auto-Neg to complete here, or
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
     * check at a later time (for example, callback routine).
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
    if(hw->wait_autoneg_complete) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
        ret_val = e1000_wait_autoneg(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
        if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
            DEBUGOUT("Error while waiting for autoneg to complete\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
    hw->get_link_status = TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
* Config the MAC and the PHY after link is up.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
*   1) Set up the MAC to the current PHY speed/duplex
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
*      if we are on 82543.  If we
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
*      are on newer silicon, we only need to configure
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
*      collision distance in the Transmit Control Register.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
*   2) Set up flow control on the MAC to that established with
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
*      the link partner.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
*   3) Config DSP to improve Gigabit link quality for some PHY revisions.    
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
static int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
e1000_copper_link_postconfig(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
    DEBUGFUNC("e1000_copper_link_postconfig");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
    
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
    if(hw->mac_type >= e1000_82544) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
        e1000_config_collision_dist(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
        ret_val = e1000_config_mac_to_phy(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
        if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
            DEBUGOUT("Error configuring MAC to PHY settings\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
    ret_val = e1000_config_fc_after_link_up(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
    if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
        DEBUGOUT("Error Configuring Flow Control\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
    /* Config DSP to improve Giga link quality */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
    if(hw->phy_type == e1000_phy_igp) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
        ret_val = e1000_config_dsp_after_link_change(hw, TRUE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
        if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
            DEBUGOUT("Error Configuring DSP after link up\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
                
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
* Detects which PHY is present and setup the speed and duplex
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
static int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
e1000_setup_copper_link(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
    uint16_t i;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
    uint16_t phy_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
    DEBUGFUNC("e1000_setup_copper_link");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
    /* Check if it is a valid PHY and set PHY mode if necessary. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
    ret_val = e1000_copper_link_preconfig(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
    if (hw->phy_type == e1000_phy_igp ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
        hw->phy_type == e1000_phy_igp_2) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
        ret_val = e1000_copper_link_igp_setup(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
    } else if (hw->phy_type == e1000_phy_m88) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
        ret_val = e1000_copper_link_mgp_setup(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
    if(hw->autoneg) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
        /* Setup autoneg and flow control advertisement 
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
          * and perform autonegotiation */   
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
        ret_val = e1000_copper_link_autoneg(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
            return ret_val;           
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
        /* PHY will be set to 10H, 10F, 100H,or 100F
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
          * depending on value from forced_speed_duplex. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
        DEBUGOUT("Forcing speed and duplex\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
        ret_val = e1000_phy_force_speed_duplex(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
        if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
            DEBUGOUT("Error Forcing Speed and Duplex\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
    /* Check link status. Wait up to 100 microseconds for link to become
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
     * valid.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
    for(i = 0; i < 10; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
        if(phy_data & MII_SR_LINK_STATUS) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
            /* Config the MAC and PHY after link is up */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
            ret_val = e1000_copper_link_postconfig(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
            
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
            DEBUGOUT("Valid link established!!!\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
            return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
        udelay(10);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
    DEBUGOUT("Unable to establish link!!!\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
* Configures PHY autoneg and flow control advertisement settings
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
e1000_phy_setup_autoneg(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
    uint16_t mii_autoneg_adv_reg;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
    uint16_t mii_1000t_ctrl_reg;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
    DEBUGFUNC("e1000_phy_setup_autoneg");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
    /* Read the MII Auto-Neg Advertisement Register (Address 4). */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
    ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
        /* Read the MII 1000Base-T Control Register (Address 9). */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
        ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &mii_1000t_ctrl_reg);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
    /* Need to parse both autoneg_advertised and fc and set up
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
     * the appropriate PHY registers.  First we will parse for
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
     * autoneg_advertised software override.  Since we can advertise
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
     * a plethora of combinations, we need to check each bit
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
     * individually.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
    /* First we clear all the 10/100 mb speed bits in the Auto-Neg
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
     * Advertisement Register (Address 4) and the 1000 mb speed bits in
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
     * the  1000Base-T Control Register (Address 9).
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
    mii_autoneg_adv_reg &= ~REG4_SPEED_MASK;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
    mii_1000t_ctrl_reg &= ~REG9_SPEED_MASK;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
    DEBUGOUT1("autoneg_advertised %x\n", hw->autoneg_advertised);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
    /* Do we want to advertise 10 Mb Half Duplex? */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
    if(hw->autoneg_advertised & ADVERTISE_10_HALF) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
        DEBUGOUT("Advertise 10mb Half duplex\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
        mii_autoneg_adv_reg |= NWAY_AR_10T_HD_CAPS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
    /* Do we want to advertise 10 Mb Full Duplex? */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
    if(hw->autoneg_advertised & ADVERTISE_10_FULL) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
        DEBUGOUT("Advertise 10mb Full duplex\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
        mii_autoneg_adv_reg |= NWAY_AR_10T_FD_CAPS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
    /* Do we want to advertise 100 Mb Half Duplex? */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
    if(hw->autoneg_advertised & ADVERTISE_100_HALF) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
        DEBUGOUT("Advertise 100mb Half duplex\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
        mii_autoneg_adv_reg |= NWAY_AR_100TX_HD_CAPS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
    /* Do we want to advertise 100 Mb Full Duplex? */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
    if(hw->autoneg_advertised & ADVERTISE_100_FULL) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
        DEBUGOUT("Advertise 100mb Full duplex\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
        mii_autoneg_adv_reg |= NWAY_AR_100TX_FD_CAPS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
    /* We do not allow the Phy to advertise 1000 Mb Half Duplex */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
    if(hw->autoneg_advertised & ADVERTISE_1000_HALF) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
        DEBUGOUT("Advertise 1000mb Half duplex requested, request denied!\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
    /* Do we want to advertise 1000 Mb Full Duplex? */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
    if(hw->autoneg_advertised & ADVERTISE_1000_FULL) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
        DEBUGOUT("Advertise 1000mb Full duplex\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
        mii_1000t_ctrl_reg |= CR_1000T_FD_CAPS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
    /* Check for a software override of the flow control settings, and
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
     * setup the PHY advertisement registers accordingly.  If
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
     * auto-negotiation is enabled, then software will have to set the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
     * "PAUSE" bits to the correct value in the Auto-Negotiation
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
     * Advertisement Register (PHY_AUTONEG_ADV) and re-start auto-negotiation.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
     *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
     * The possible values of the "fc" parameter are:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
     *      0:  Flow control is completely disabled
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
     *      1:  Rx flow control is enabled (we can receive pause frames
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
     *          but not send pause frames).
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
     *      2:  Tx flow control is enabled (we can send pause frames
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
     *          but we do not support receiving pause frames).
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
     *      3:  Both Rx and TX flow control (symmetric) are enabled.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
     *  other:  No software override.  The flow control configuration
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
     *          in the EEPROM is used.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
    switch (hw->fc) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
    case e1000_fc_none: /* 0 */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
        /* Flow control (RX & TX) is completely disabled by a
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
         * software over-ride.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
        mii_autoneg_adv_reg &= ~(NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
    case e1000_fc_rx_pause: /* 1 */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
        /* RX Flow control is enabled, and TX Flow control is
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
         * disabled, by a software over-ride.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
        /* Since there really isn't a way to advertise that we are
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
         * capable of RX Pause ONLY, we will advertise that we
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
         * support both symmetric and asymmetric RX PAUSE.  Later
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
         * (in e1000_config_fc_after_link_up) we will disable the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
         *hw's ability to send PAUSE frames.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
        mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
    case e1000_fc_tx_pause: /* 2 */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
        /* TX Flow control is enabled, and RX Flow control is
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
         * disabled, by a software over-ride.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
        mii_autoneg_adv_reg |= NWAY_AR_ASM_DIR;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
        mii_autoneg_adv_reg &= ~NWAY_AR_PAUSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
    case e1000_fc_full: /* 3 */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
        /* Flow control (both RX and TX) is enabled by a software
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
         * over-ride.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
        mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
        DEBUGOUT("Flow control param set incorrectly\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
        return -E1000_ERR_CONFIG;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
    ret_val = e1000_write_phy_reg(hw, PHY_AUTONEG_ADV, mii_autoneg_adv_reg);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
    DEBUGOUT1("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
    ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, mii_1000t_ctrl_reg);    
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
* Force PHY speed and duplex settings to hw->forced_speed_duplex
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
static int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
e1000_phy_force_speed_duplex(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
    uint32_t ctrl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
    uint16_t mii_ctrl_reg;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
    uint16_t mii_status_reg;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
    uint16_t phy_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
    uint16_t i;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
    DEBUGFUNC("e1000_phy_force_speed_duplex");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
    /* Turn off Flow control if we are forcing speed and duplex. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
    hw->fc = e1000_fc_none;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
    DEBUGOUT1("hw->fc = %d\n", hw->fc);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
    /* Read the Device Control Register. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
    ctrl = E1000_READ_REG(hw, CTRL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
    /* Set the bits to Force Speed and Duplex in the Device Ctrl Reg. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
    ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
    ctrl &= ~(DEVICE_SPEED_MASK);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
    /* Clear the Auto Speed Detect Enable bit. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
    ctrl &= ~E1000_CTRL_ASDE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
    /* Read the MII Control Register. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
    ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &mii_ctrl_reg);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
    /* We need to disable autoneg in order to force link and duplex. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
    mii_ctrl_reg &= ~MII_CR_AUTO_NEG_EN;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
    /* Are we forcing Full or Half Duplex? */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
    if(hw->forced_speed_duplex == e1000_100_full ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
       hw->forced_speed_duplex == e1000_10_full) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
        /* We want to force full duplex so we SET the full duplex bits in the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
         * Device and MII Control Registers.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
        ctrl |= E1000_CTRL_FD;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
        mii_ctrl_reg |= MII_CR_FULL_DUPLEX;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
        DEBUGOUT("Full Duplex\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
        /* We want to force half duplex so we CLEAR the full duplex bits in
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
         * the Device and MII Control Registers.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
        ctrl &= ~E1000_CTRL_FD;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
        mii_ctrl_reg &= ~MII_CR_FULL_DUPLEX;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
        DEBUGOUT("Half Duplex\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
    /* Are we forcing 100Mbps??? */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
    if(hw->forced_speed_duplex == e1000_100_full ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
       hw->forced_speed_duplex == e1000_100_half) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
        /* Set the 100Mb bit and turn off the 1000Mb and 10Mb bits. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
        ctrl |= E1000_CTRL_SPD_100;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
        mii_ctrl_reg |= MII_CR_SPEED_100;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
        mii_ctrl_reg &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_10);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
        DEBUGOUT("Forcing 100mb ");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
        /* Set the 10Mb bit and turn off the 1000Mb and 100Mb bits. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
        ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
        mii_ctrl_reg |= MII_CR_SPEED_10;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
        mii_ctrl_reg &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_100);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
        DEBUGOUT("Forcing 10mb ");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
    e1000_config_collision_dist(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
    /* Write the configured values back to the Device Control Reg. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
    E1000_WRITE_REG(hw, CTRL, ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
    if (hw->phy_type == e1000_phy_m88) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
        ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
        /* Clear Auto-Crossover to force MDI manually. M88E1000 requires MDI
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
         * forced whenever speed are duplex are forced.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
        phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
        ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
        DEBUGOUT1("M88E1000 PSCR: %x \n", phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
        /* Need to reset the PHY or these changes will be ignored */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
        mii_ctrl_reg |= MII_CR_RESET;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
        /* Clear Auto-Crossover to force MDI manually.  IGP requires MDI
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
         * forced whenever speed or duplex are forced.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
        ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
        phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
        phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
        ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
    /* Write back the modified PHY MII control register. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
    ret_val = e1000_write_phy_reg(hw, PHY_CTRL, mii_ctrl_reg);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
    udelay(1);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
    /* The wait_autoneg_complete flag may be a little misleading here.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
     * Since we are forcing speed and duplex, Auto-Neg is not enabled.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
     * But we do want to delay for a period while forcing only so we
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
     * don't generate false No Link messages.  So we will wait here
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
     * only if the user has set wait_autoneg_complete to 1, which is
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
     * the default.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
    if(hw->wait_autoneg_complete) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
        /* We will wait for autoneg to complete. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
        DEBUGOUT("Waiting for forced speed/duplex link.\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
        mii_status_reg = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
        /* We will wait for autoneg to complete or 4.5 seconds to expire. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
        for(i = PHY_FORCE_TIME; i > 0; i--) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
            /* Read the MII Status Register and wait for Auto-Neg Complete bit
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
             * to be set.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
             */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
            ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
            ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
            if(mii_status_reg & MII_SR_LINK_STATUS) break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
            msec_delay(100);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
        if((i == 0) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
           (hw->phy_type == e1000_phy_m88)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
            /* We didn't get link.  Reset the DSP and wait again for link. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
            ret_val = e1000_phy_reset_dsp(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
            if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
                DEBUGOUT("Error Resetting PHY DSP\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
        /* This loop will early-out if the link condition has been met.  */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
        for(i = PHY_FORCE_TIME; i > 0; i--) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
            if(mii_status_reg & MII_SR_LINK_STATUS) break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
            msec_delay(100);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
            /* Read the MII Status Register and wait for Auto-Neg Complete bit
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
             * to be set.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
             */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
            ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
            ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
    if (hw->phy_type == e1000_phy_m88) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
        /* Because we reset the PHY above, we need to re-force TX_CLK in the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
         * Extended PHY Specific Control Register to 25MHz clock.  This value
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
         * defaults back to a 2.5MHz clock when the PHY is reset.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
        ret_val = e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
        phy_data |= M88E1000_EPSCR_TX_CLK_25;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
        ret_val = e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
        /* In addition, because of the s/w reset above, we need to enable CRS on
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
         * TX.  This must be set for both full and half duplex operation.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
        ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
        phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
        ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
        if((hw->mac_type == e1000_82544 || hw->mac_type == e1000_82543) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
           (!hw->autoneg) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
           (hw->forced_speed_duplex == e1000_10_full ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
            hw->forced_speed_duplex == e1000_10_half)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
            ret_val = e1000_polarity_reversal_workaround(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
* Sets the collision distance in the Transmit Control register
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
* Link should have been established previously. Reads the speed and duplex
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
* information from the Device Status register.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
e1000_config_collision_dist(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
    uint32_t tctl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
    DEBUGFUNC("e1000_config_collision_dist");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
    tctl = E1000_READ_REG(hw, TCTL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
    tctl &= ~E1000_TCTL_COLD;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
    tctl |= E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
    E1000_WRITE_REG(hw, TCTL, tctl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
    E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
* Sets MAC speed and duplex settings to reflect the those in the PHY
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
* mii_reg - data to write to the MII control register
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
* The contents of the PHY register containing the needed information need to
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
* be passed in.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
static int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
e1000_config_mac_to_phy(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
    uint32_t ctrl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
    uint16_t phy_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
    DEBUGFUNC("e1000_config_mac_to_phy");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
    /* 82544 or newer MAC, Auto Speed Detection takes care of 
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
    * MAC speed/duplex configuration.*/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
    if (hw->mac_type >= e1000_82544)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
        return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
    /* Read the Device Control Register and set the bits to Force Speed
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
     * and Duplex.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
    ctrl = E1000_READ_REG(hw, CTRL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
    ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
    ctrl &= ~(E1000_CTRL_SPD_SEL | E1000_CTRL_ILOS);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
    /* Set up duplex in the Device Control and Transmit Control
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
     * registers depending on negotiated values.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
    ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
    if(phy_data & M88E1000_PSSR_DPLX) 
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
        ctrl |= E1000_CTRL_FD;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
    else 
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
        ctrl &= ~E1000_CTRL_FD;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
    e1000_config_collision_dist(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
    /* Set up speed in the Device Control register depending on
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
     * negotiated values.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
    if((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
        ctrl |= E1000_CTRL_SPD_1000;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
    else if((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_100MBS)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
        ctrl |= E1000_CTRL_SPD_100;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
    /* Write the configured values back to the Device Control Reg. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
    E1000_WRITE_REG(hw, CTRL, ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
 * Forces the MAC's flow control settings.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
 * Sets the TFCE and RFCE bits in the device control register to reflect
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
 * the adapter settings. TFCE and RFCE need to be explicitly set by
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
 * software when a Copper PHY is used because autonegotiation is managed
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
 * by the PHY rather than the MAC. Software must also configure these
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
 * bits when link is forced on a fiber connection.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
e1000_force_mac_fc(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
    uint32_t ctrl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
    DEBUGFUNC("e1000_force_mac_fc");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
    /* Get the current configuration of the Device Control Register */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
    ctrl = E1000_READ_REG(hw, CTRL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
    /* Because we didn't get link via the internal auto-negotiation
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
     * mechanism (we either forced link or we got link via PHY
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
     * auto-neg), we have to manually enable/disable transmit an
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
     * receive flow control.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
     *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
     * The "Case" statement below enables/disable flow control
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
     * according to the "hw->fc" parameter.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
     *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
     * The possible values of the "fc" parameter are:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
     *      0:  Flow control is completely disabled
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
     *      1:  Rx flow control is enabled (we can receive pause
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
     *          frames but not send pause frames).
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
     *      2:  Tx flow control is enabled (we can send pause frames
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
     *          frames but we do not receive pause frames).
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
     *      3:  Both Rx and TX flow control (symmetric) is enabled.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
     *  other:  No other values should be possible at this point.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
    switch (hw->fc) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
    case e1000_fc_none:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
        ctrl &= (~(E1000_CTRL_TFCE | E1000_CTRL_RFCE));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
    case e1000_fc_rx_pause:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
        ctrl &= (~E1000_CTRL_TFCE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
        ctrl |= E1000_CTRL_RFCE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
    case e1000_fc_tx_pause:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
        ctrl &= (~E1000_CTRL_RFCE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
        ctrl |= E1000_CTRL_TFCE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
    case e1000_fc_full:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
        ctrl |= (E1000_CTRL_TFCE | E1000_CTRL_RFCE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
        DEBUGOUT("Flow control param set incorrectly\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
        return -E1000_ERR_CONFIG;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
    /* Disable TX Flow Control for 82542 (rev 2.0) */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
    if(hw->mac_type == e1000_82542_rev2_0)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
        ctrl &= (~E1000_CTRL_TFCE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
    E1000_WRITE_REG(hw, CTRL, ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
 * Configures flow control settings after link is established
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
 * Should be called immediately after a valid link has been established.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
 * Forces MAC flow control settings if link was forced. When in MII/GMII mode
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
 * and autonegotiation is enabled, the MAC flow control settings will be set
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
 * based on the flow control negotiated by the PHY. In TBI mode, the TFCE
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
 * and RFCE bits will be automaticaly set to the negotiated flow control mode.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
e1000_config_fc_after_link_up(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
    uint16_t mii_status_reg;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
    uint16_t mii_nway_adv_reg;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
    uint16_t mii_nway_lp_ability_reg;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
    uint16_t speed;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
    uint16_t duplex;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
    DEBUGFUNC("e1000_config_fc_after_link_up");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
    /* Check for the case where we have fiber media and auto-neg failed
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
     * so we had to force link.  In this case, we need to force the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
     * configuration of the MAC to match the "fc" parameter.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
    if(((hw->media_type == e1000_media_type_fiber) && (hw->autoneg_failed)) ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
       ((hw->media_type == e1000_media_type_internal_serdes) && (hw->autoneg_failed)) ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
       ((hw->media_type == e1000_media_type_copper) && (!hw->autoneg))) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
        ret_val = e1000_force_mac_fc(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
        if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
            DEBUGOUT("Error forcing flow control settings\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
    /* Check for the case where we have copper media and auto-neg is
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
     * enabled.  In this case, we need to check and see if Auto-Neg
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
     * has completed, and if so, how the PHY and link partner has
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
     * flow control configured.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
    if((hw->media_type == e1000_media_type_copper) && hw->autoneg) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
        /* Read the MII Status Register and check to see if AutoNeg
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
         * has completed.  We read this twice because this reg has
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
         * some "sticky" (latched) bits.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
        if(mii_status_reg & MII_SR_AUTONEG_COMPLETE) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
            /* The AutoNeg process has completed, so we now need to
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
             * read both the Auto Negotiation Advertisement Register
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
             * (Address 4) and the Auto_Negotiation Base Page Ability
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
             * Register (Address 5) to determine how flow control was
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
             * negotiated.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
             */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
            ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_ADV,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
                                         &mii_nway_adv_reg);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
            ret_val = e1000_read_phy_reg(hw, PHY_LP_ABILITY,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
                                         &mii_nway_lp_ability_reg);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
            /* Two bits in the Auto Negotiation Advertisement Register
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
             * (Address 4) and two bits in the Auto Negotiation Base
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
             * Page Ability Register (Address 5) determine flow control
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
             * for both the PHY and the link partner.  The following
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
             * table, taken out of the IEEE 802.3ab/D6.0 dated March 25,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
             * 1999, describes these PAUSE resolution bits and how flow
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
             * control is determined based upon these settings.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
             * NOTE:  DC = Don't Care
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
             *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
             *   LOCAL DEVICE  |   LINK PARTNER
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
             * PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
             *-------|---------|-------|---------|--------------------
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
             *   0   |    0    |  DC   |   DC    | e1000_fc_none
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
             *   0   |    1    |   0   |   DC    | e1000_fc_none
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
             *   0   |    1    |   1   |    0    | e1000_fc_none
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
             *   0   |    1    |   1   |    1    | e1000_fc_tx_pause
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
             *   1   |    0    |   0   |   DC    | e1000_fc_none
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
             *   1   |   DC    |   1   |   DC    | e1000_fc_full
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
             *   1   |    1    |   0   |    0    | e1000_fc_none
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
             *   1   |    1    |   0   |    1    | e1000_fc_rx_pause
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
             *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
             */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
            /* Are both PAUSE bits set to 1?  If so, this implies
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
             * Symmetric Flow Control is enabled at both ends.  The
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
             * ASM_DIR bits are irrelevant per the spec.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
             *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
             * For Symmetric Flow Control:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
             *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
             *   LOCAL DEVICE  |   LINK PARTNER
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
             * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
             *-------|---------|-------|---------|--------------------
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
             *   1   |   DC    |   1   |   DC    | e1000_fc_full
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
             *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
             */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
            if((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
               (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
                /* Now we need to check if the user selected RX ONLY
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
                 * of pause frames.  In this case, we had to advertise
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
                 * FULL flow control because we could not advertise RX
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
                 * ONLY. Hence, we must now check to see if we need to
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
                 * turn OFF  the TRANSMISSION of PAUSE frames.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
                 */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
                if(hw->original_fc == e1000_fc_full) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
                    hw->fc = e1000_fc_full;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
                    DEBUGOUT("Flow Control = FULL.\r\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
                } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
                    hw->fc = e1000_fc_rx_pause;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
                    DEBUGOUT("Flow Control = RX PAUSE frames only.\r\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
                }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
            /* For receiving PAUSE frames ONLY.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
             *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
             *   LOCAL DEVICE  |   LINK PARTNER
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
             * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
             *-------|---------|-------|---------|--------------------
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
             *   0   |    1    |   1   |    1    | e1000_fc_tx_pause
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
             *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
             */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
            else if(!(mii_nway_adv_reg & NWAY_AR_PAUSE) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
                    (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
                    (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
                    (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
                hw->fc = e1000_fc_tx_pause;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
                DEBUGOUT("Flow Control = TX PAUSE frames only.\r\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
            /* For transmitting PAUSE frames ONLY.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
             *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
             *   LOCAL DEVICE  |   LINK PARTNER
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
             * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
             *-------|---------|-------|---------|--------------------
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
             *   1   |    1    |   0   |    1    | e1000_fc_rx_pause
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
             *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
             */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
            else if((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
                    (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
                    !(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
                    (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
                hw->fc = e1000_fc_rx_pause;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
                DEBUGOUT("Flow Control = RX PAUSE frames only.\r\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
            /* Per the IEEE spec, at this point flow control should be
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
             * disabled.  However, we want to consider that we could
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
             * be connected to a legacy switch that doesn't advertise
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
             * desired flow control, but can be forced on the link
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
             * partner.  So if we advertised no flow control, that is
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
             * what we will resolve to.  If we advertised some kind of
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
             * receive capability (Rx Pause Only or Full Flow Control)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
             * and the link partner advertised none, we will configure
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
             * ourselves to enable Rx Flow Control only.  We can do
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
             * this safely for two reasons:  If the link partner really
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
             * didn't want flow control enabled, and we enable Rx, no
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
             * harm done since we won't be receiving any PAUSE frames
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
             * anyway.  If the intent on the link partner was to have
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
             * flow control enabled, then by us enabling RX only, we
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
             * can at least receive pause frames and process them.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
             * This is a good idea because in most cases, since we are
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
             * predominantly a server NIC, more times than not we will
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
             * be asked to delay transmission of packets than asking
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
             * our link partner to pause transmission of frames.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
             */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
            else if((hw->original_fc == e1000_fc_none ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
                     hw->original_fc == e1000_fc_tx_pause) ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
                    hw->fc_strict_ieee) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
                hw->fc = e1000_fc_none;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
                DEBUGOUT("Flow Control = NONE.\r\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
            } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
                hw->fc = e1000_fc_rx_pause;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
                DEBUGOUT("Flow Control = RX PAUSE frames only.\r\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
            /* Now we need to do one last check...  If we auto-
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
             * negotiated to HALF DUPLEX, flow control should not be
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
             * enabled per IEEE 802.3 spec.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
             */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
            ret_val = e1000_get_speed_and_duplex(hw, &speed, &duplex);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
            if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
                DEBUGOUT("Error getting link speed and duplex\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
            if(duplex == HALF_DUPLEX)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
                hw->fc = e1000_fc_none;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
            /* Now we call a subroutine to actually force the MAC
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
             * controller to use the correct flow control settings.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
             */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
            ret_val = e1000_force_mac_fc(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
            if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
                DEBUGOUT("Error forcing flow control settings\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
        } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
            DEBUGOUT("Copper PHY and Auto Neg has not completed.\r\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
 * Checks to see if the link status of the hardware has changed.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
 * Called by any function that needs to check the link status of the adapter.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
e1000_check_for_link(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
    uint32_t rxcw = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
    uint32_t ctrl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
    uint32_t status;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
    uint32_t rctl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
    uint32_t icr;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
    uint32_t signal = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
    uint16_t phy_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
    DEBUGFUNC("e1000_check_for_link");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
    ctrl = E1000_READ_REG(hw, CTRL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
    status = E1000_READ_REG(hw, STATUS);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
    /* On adapters with a MAC newer than 82544, SW Defineable pin 1 will be
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
     * set when the optics detect a signal. On older adapters, it will be
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
     * cleared when there is a signal.  This applies to fiber media only.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
    if((hw->media_type == e1000_media_type_fiber) ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
       (hw->media_type == e1000_media_type_internal_serdes)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
        rxcw = E1000_READ_REG(hw, RXCW);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
        if(hw->media_type == e1000_media_type_fiber) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
            signal = (hw->mac_type > e1000_82544) ? E1000_CTRL_SWDPIN1 : 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
            if(status & E1000_STATUS_LU)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
                hw->get_link_status = FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
    /* If we have a copper PHY then we only want to go out to the PHY
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
     * registers to see if Auto-Neg has completed and/or if our link
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
     * status has changed.  The get_link_status flag will be set if we
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
     * receive a Link Status Change interrupt or we have Rx Sequence
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
     * Errors.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
    if((hw->media_type == e1000_media_type_copper) && hw->get_link_status) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
        /* First we want to see if the MII Status Register reports
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
         * link.  If so, then we want to get the current speed/duplex
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
         * of the PHY.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
         * Read the register twice since the link bit is sticky.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
        if(phy_data & MII_SR_LINK_STATUS) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
            hw->get_link_status = FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
            /* Check if there was DownShift, must be checked immediately after
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
             * link-up */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
            e1000_check_downshift(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
            /* If we are on 82544 or 82543 silicon and speed/duplex
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
             * are forced to 10H or 10F, then we will implement the polarity
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
             * reversal workaround.  We disable interrupts first, and upon
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
             * returning, place the devices interrupt state to its previous
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
             * value except for the link status change interrupt which will
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
             * happen due to the execution of this workaround.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
             */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
            if((hw->mac_type == e1000_82544 || hw->mac_type == e1000_82543) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
               (!hw->autoneg) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
               (hw->forced_speed_duplex == e1000_10_full ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
                hw->forced_speed_duplex == e1000_10_half)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
                E1000_WRITE_REG(hw, IMC, 0xffffffff);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
                ret_val = e1000_polarity_reversal_workaround(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
                icr = E1000_READ_REG(hw, ICR);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
                E1000_WRITE_REG(hw, ICS, (icr & ~E1000_ICS_LSC));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
                E1000_WRITE_REG(hw, IMS, IMS_ENABLE_MASK);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
        } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
            /* No link detected */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
            e1000_config_dsp_after_link_change(hw, FALSE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
            return 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
        /* If we are forcing speed/duplex, then we simply return since
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
         * we have already determined whether we have link or not.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
        if(!hw->autoneg) return -E1000_ERR_CONFIG;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
        /* optimize the dsp settings for the igp phy */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
        e1000_config_dsp_after_link_change(hw, TRUE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
        /* We have a M88E1000 PHY and Auto-Neg is enabled.  If we
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
         * have Si on board that is 82544 or newer, Auto
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
         * Speed Detection takes care of MAC speed/duplex
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
         * configuration.  So we only need to configure Collision
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
         * Distance in the MAC.  Otherwise, we need to force
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
         * speed/duplex on the MAC to the current PHY speed/duplex
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
         * settings.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
        if(hw->mac_type >= e1000_82544)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
            e1000_config_collision_dist(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
        else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
            ret_val = e1000_config_mac_to_phy(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
            if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
                DEBUGOUT("Error configuring MAC to PHY settings\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
        /* Configure Flow Control now that Auto-Neg has completed. First, we
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
         * need to restore the desired flow control settings because we may
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
         * have had to re-autoneg with a different link partner.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
        ret_val = e1000_config_fc_after_link_up(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
        if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
            DEBUGOUT("Error configuring flow control\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
        /* At this point we know that we are on copper and we have
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
         * auto-negotiated link.  These are conditions for checking the link
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
         * partner capability register.  We use the link speed to determine if
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
         * TBI compatibility needs to be turned on or off.  If the link is not
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
         * at gigabit speed, then TBI compatibility is not needed.  If we are
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
         * at gigabit speed, we turn on TBI compatibility.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
        if(hw->tbi_compatibility_en) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
            uint16_t speed, duplex;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
            e1000_get_speed_and_duplex(hw, &speed, &duplex);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
            if(speed != SPEED_1000) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
                /* If link speed is not set to gigabit speed, we do not need
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
                 * to enable TBI compatibility.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
                 */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
                if(hw->tbi_compatibility_on) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
                    /* If we previously were in the mode, turn it off. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
                    rctl = E1000_READ_REG(hw, RCTL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
                    rctl &= ~E1000_RCTL_SBP;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
                    E1000_WRITE_REG(hw, RCTL, rctl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
                    hw->tbi_compatibility_on = FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
                }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
            } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
                /* If TBI compatibility is was previously off, turn it on. For
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
                 * compatibility with a TBI link partner, we will store bad
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
                 * packets. Some frames have an additional byte on the end and
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
                 * will look like CRC errors to to the hardware.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
                 */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
                if(!hw->tbi_compatibility_on) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
                    hw->tbi_compatibility_on = TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
                    rctl = E1000_READ_REG(hw, RCTL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
                    rctl |= E1000_RCTL_SBP;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
                    E1000_WRITE_REG(hw, RCTL, rctl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
                }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
    /* If we don't have link (auto-negotiation failed or link partner cannot
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
     * auto-negotiate), the cable is plugged in (we have signal), and our
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
     * link partner is not trying to auto-negotiate with us (we are receiving
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
     * idles or data), we need to force link up. We also need to give
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
     * auto-negotiation time to complete, in case the cable was just plugged
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
     * in. The autoneg_failed flag does this.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
    else if((((hw->media_type == e1000_media_type_fiber) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
              ((ctrl & E1000_CTRL_SWDPIN1) == signal)) ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
             (hw->media_type == e1000_media_type_internal_serdes)) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
            (!(status & E1000_STATUS_LU)) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
            (!(rxcw & E1000_RXCW_C))) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
        if(hw->autoneg_failed == 0) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
            hw->autoneg_failed = 1;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
            return 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
        DEBUGOUT("NOT RXing /C/, disable AutoNeg and force link.\r\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
        /* Disable auto-negotiation in the TXCW register */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
        E1000_WRITE_REG(hw, TXCW, (hw->txcw & ~E1000_TXCW_ANE));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
        /* Force link-up and also force full-duplex. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
        ctrl = E1000_READ_REG(hw, CTRL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
        ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FD);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
        E1000_WRITE_REG(hw, CTRL, ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
        /* Configure Flow Control after forcing link up. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
        ret_val = e1000_config_fc_after_link_up(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
        if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
            DEBUGOUT("Error configuring flow control\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
    /* If we are forcing link and we are receiving /C/ ordered sets, re-enable
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
     * auto-negotiation in the TXCW register and disable forced link in the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
     * Device Control register in an attempt to auto-negotiate with our link
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
     * partner.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
    else if(((hw->media_type == e1000_media_type_fiber) ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
             (hw->media_type == e1000_media_type_internal_serdes)) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
            (ctrl & E1000_CTRL_SLU) && (rxcw & E1000_RXCW_C)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
        DEBUGOUT("RXing /C/, enable AutoNeg and stop forcing link.\r\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
        E1000_WRITE_REG(hw, TXCW, hw->txcw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
        E1000_WRITE_REG(hw, CTRL, (ctrl & ~E1000_CTRL_SLU));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
        hw->serdes_link_down = FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
    /* If we force link for non-auto-negotiation switch, check link status
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
     * based on MAC synchronization for internal serdes media type.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
    else if((hw->media_type == e1000_media_type_internal_serdes) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
            !(E1000_TXCW_ANE & E1000_READ_REG(hw, TXCW))) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
        /* SYNCH bit and IV bit are sticky. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
        udelay(10);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
        if(E1000_RXCW_SYNCH & E1000_READ_REG(hw, RXCW)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
            if(!(rxcw & E1000_RXCW_IV)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
                hw->serdes_link_down = FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
                DEBUGOUT("SERDES: Link is up.\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
        } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
            hw->serdes_link_down = TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
            DEBUGOUT("SERDES: Link is down.\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
    if((hw->media_type == e1000_media_type_internal_serdes) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
       (E1000_TXCW_ANE & E1000_READ_REG(hw, TXCW))) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
        hw->serdes_link_down = !(E1000_STATUS_LU & E1000_READ_REG(hw, STATUS));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
 * Detects the current speed and duplex settings of the hardware.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
 * speed - Speed of the connection
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
 * duplex - Duplex setting of the connection
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
e1000_get_speed_and_duplex(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
                           uint16_t *speed,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
                           uint16_t *duplex)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
    uint32_t status;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
    uint16_t phy_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
    DEBUGFUNC("e1000_get_speed_and_duplex");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
    if(hw->mac_type >= e1000_82543) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
        status = E1000_READ_REG(hw, STATUS);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
        if(status & E1000_STATUS_SPEED_1000) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
            *speed = SPEED_1000;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
            DEBUGOUT("1000 Mbs, ");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
        } else if(status & E1000_STATUS_SPEED_100) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
            *speed = SPEED_100;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
            DEBUGOUT("100 Mbs, ");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
        } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
            *speed = SPEED_10;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
            DEBUGOUT("10 Mbs, ");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
        if(status & E1000_STATUS_FD) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
            *duplex = FULL_DUPLEX;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
            DEBUGOUT("Full Duplex\r\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
        } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
            *duplex = HALF_DUPLEX;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
            DEBUGOUT(" Half Duplex\r\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
        DEBUGOUT("1000 Mbs, Full Duplex\r\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
        *speed = SPEED_1000;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
        *duplex = FULL_DUPLEX;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
    /* IGP01 PHY may advertise full duplex operation after speed downgrade even
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
     * if it is operating at half duplex.  Here we set the duplex settings to
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
     * match the duplex in the link partner's capabilities.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
    if(hw->phy_type == e1000_phy_igp && hw->speed_downgraded) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
        ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_EXP, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
        if(!(phy_data & NWAY_ER_LP_NWAY_CAPS))
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
            *duplex = HALF_DUPLEX;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
        else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
            ret_val = e1000_read_phy_reg(hw, PHY_LP_ABILITY, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
            if((*speed == SPEED_100 && !(phy_data & NWAY_LPAR_100TX_FD_CAPS)) ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
               (*speed == SPEED_10 && !(phy_data & NWAY_LPAR_10T_FD_CAPS)))
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
                *duplex = HALF_DUPLEX;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
* Blocks until autoneg completes or times out (~4.5 seconds)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
e1000_wait_autoneg(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
    uint16_t i;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
    uint16_t phy_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
    DEBUGFUNC("e1000_wait_autoneg");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
    DEBUGOUT("Waiting for Auto-Neg to complete.\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
    /* We will wait for autoneg to complete or 4.5 seconds to expire. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
    for(i = PHY_AUTO_NEG_TIME; i > 0; i--) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
        /* Read the MII Status Register and wait for Auto-Neg
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
         * Complete bit to be set.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
        if(phy_data & MII_SR_AUTONEG_COMPLETE) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
            return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
        msec_delay(100);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
* Raises the Management Data Clock
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
* ctrl - Device control register's current value
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
static void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
e1000_raise_mdi_clk(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
                    uint32_t *ctrl)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
    /* Raise the clock input to the Management Data Clock (by setting the MDC
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
     * bit), and then delay 10 microseconds.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
    E1000_WRITE_REG(hw, CTRL, (*ctrl | E1000_CTRL_MDC));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
    E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
    udelay(10);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
* Lowers the Management Data Clock
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
* ctrl - Device control register's current value
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
static void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
e1000_lower_mdi_clk(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
                    uint32_t *ctrl)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
    /* Lower the clock input to the Management Data Clock (by clearing the MDC
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
     * bit), and then delay 10 microseconds.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
    E1000_WRITE_REG(hw, CTRL, (*ctrl & ~E1000_CTRL_MDC));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
    E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
    udelay(10);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
* Shifts data bits out to the PHY
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
* data - Data to send out to the PHY
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
* count - Number of bits to shift out
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
* Bits are shifted out in MSB to LSB order.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
static void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
e1000_shift_out_mdi_bits(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
                         uint32_t data,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
                         uint16_t count)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
    uint32_t ctrl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
    uint32_t mask;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
    /* We need to shift "count" number of bits out to the PHY. So, the value
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
     * in the "data" parameter will be shifted out to the PHY one bit at a
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
     * time. In order to do this, "data" must be broken down into bits.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
    mask = 0x01;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
    mask <<= (count - 1);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
    ctrl = E1000_READ_REG(hw, CTRL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
    /* Set MDIO_DIR and MDC_DIR direction bits to be used as output pins. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
    ctrl |= (E1000_CTRL_MDIO_DIR | E1000_CTRL_MDC_DIR);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
    while(mask) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
        /* A "1" is shifted out to the PHY by setting the MDIO bit to "1" and
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
         * then raising and lowering the Management Data Clock. A "0" is
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
         * shifted out to the PHY by setting the MDIO bit to "0" and then
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
         * raising and lowering the clock.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
        if(data & mask) ctrl |= E1000_CTRL_MDIO;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
        else ctrl &= ~E1000_CTRL_MDIO;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
        E1000_WRITE_REG(hw, CTRL, ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
        E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
        udelay(10);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
        e1000_raise_mdi_clk(hw, &ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
        e1000_lower_mdi_clk(hw, &ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
        mask = mask >> 1;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
* Shifts data bits in from the PHY
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
* Bits are shifted in in MSB to LSB order.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
static uint16_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
e1000_shift_in_mdi_bits(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
    uint32_t ctrl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
    uint16_t data = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
    uint8_t i;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
    /* In order to read a register from the PHY, we need to shift in a total
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
     * of 18 bits from the PHY. The first two bit (turnaround) times are used
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
     * to avoid contention on the MDIO pin when a read operation is performed.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
     * These two bits are ignored by us and thrown away. Bits are "shifted in"
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
     * by raising the input to the Management Data Clock (setting the MDC bit),
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
     * and then reading the value of the MDIO bit.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
    ctrl = E1000_READ_REG(hw, CTRL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
    /* Clear MDIO_DIR (SWDPIO1) to indicate this bit is to be used as input. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
    ctrl &= ~E1000_CTRL_MDIO_DIR;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
    ctrl &= ~E1000_CTRL_MDIO;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
    E1000_WRITE_REG(hw, CTRL, ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
    E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
    /* Raise and Lower the clock before reading in the data. This accounts for
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
     * the turnaround bits. The first clock occurred when we clocked out the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
     * last bit of the Register Address.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
    e1000_raise_mdi_clk(hw, &ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
    e1000_lower_mdi_clk(hw, &ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
    for(data = 0, i = 0; i < 16; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
        data = data << 1;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
        e1000_raise_mdi_clk(hw, &ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
        ctrl = E1000_READ_REG(hw, CTRL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
        /* Check to see if we shifted in a "1". */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
        if(ctrl & E1000_CTRL_MDIO) data |= 1;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
        e1000_lower_mdi_clk(hw, &ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
    e1000_raise_mdi_clk(hw, &ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
    e1000_lower_mdi_clk(hw, &ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
    return data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
/*****************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
* Reads the value from a PHY register, if the value is on a specific non zero
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
* page, sets the page first.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
* reg_addr - address of the PHY register to read
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
e1000_read_phy_reg(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
                   uint32_t reg_addr,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
                   uint16_t *phy_data)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
    uint32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
    DEBUGFUNC("e1000_read_phy_reg");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
    if((hw->phy_type == e1000_phy_igp || 
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
        hw->phy_type == e1000_phy_igp_2) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
       (reg_addr > MAX_PHY_MULTI_PAGE_REG)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
        ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
                                         (uint16_t)reg_addr);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
        if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
    ret_val = e1000_read_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
                                    phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
    return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
e1000_read_phy_reg_ex(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
                      uint32_t reg_addr,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
                      uint16_t *phy_data)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
    uint32_t i;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
    uint32_t mdic = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
    const uint32_t phy_addr = 1;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
    DEBUGFUNC("e1000_read_phy_reg_ex");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
    if(reg_addr > MAX_PHY_REG_ADDRESS) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
        DEBUGOUT1("PHY Address %d is out of range\n", reg_addr);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
        return -E1000_ERR_PARAM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
    if(hw->mac_type > e1000_82543) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
        /* Set up Op-code, Phy Address, and register address in the MDI
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
         * Control register.  The MAC will take care of interfacing with the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
         * PHY to retrieve the desired data.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
        mdic = ((reg_addr << E1000_MDIC_REG_SHIFT) |
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
                (phy_addr << E1000_MDIC_PHY_SHIFT) |
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
                (E1000_MDIC_OP_READ));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
        E1000_WRITE_REG(hw, MDIC, mdic);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
        /* Poll the ready bit to see if the MDI read completed */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
        for(i = 0; i < 64; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
            udelay(50);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
            mdic = E1000_READ_REG(hw, MDIC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
            if(mdic & E1000_MDIC_READY) break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
        if(!(mdic & E1000_MDIC_READY)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
            DEBUGOUT("MDI Read did not complete\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
            return -E1000_ERR_PHY;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
        if(mdic & E1000_MDIC_ERROR) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
            DEBUGOUT("MDI Error\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
            return -E1000_ERR_PHY;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
        *phy_data = (uint16_t) mdic;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
        /* We must first send a preamble through the MDIO pin to signal the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
         * beginning of an MII instruction.  This is done by sending 32
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
         * consecutive "1" bits.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
        e1000_shift_out_mdi_bits(hw, PHY_PREAMBLE, PHY_PREAMBLE_SIZE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
        /* Now combine the next few fields that are required for a read
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
         * operation.  We use this method instead of calling the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
         * e1000_shift_out_mdi_bits routine five different times. The format of
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
         * a MII read instruction consists of a shift out of 14 bits and is
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
         * defined as follows:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
         *    <Preamble><SOF><Op Code><Phy Addr><Reg Addr>
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
         * followed by a shift in of 18 bits.  This first two bits shifted in
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
         * are TurnAround bits used to avoid contention on the MDIO pin when a
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
         * READ operation is performed.  These two bits are thrown away
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
         * followed by a shift in of 16 bits which contains the desired data.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
        mdic = ((reg_addr) | (phy_addr << 5) |
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
                (PHY_OP_READ << 10) | (PHY_SOF << 12));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
        e1000_shift_out_mdi_bits(hw, mdic, 14);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
        /* Now that we've shifted out the read command to the MII, we need to
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
         * "shift in" the 16-bit value (18 total bits) of the requested PHY
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
         * register address.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
        *phy_data = e1000_shift_in_mdi_bits(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
* Writes a value to a PHY register
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
* reg_addr - address of the PHY register to write
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
* data - data to write to the PHY
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
e1000_write_phy_reg(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
                    uint32_t reg_addr,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
                    uint16_t phy_data)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
    uint32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
    DEBUGFUNC("e1000_write_phy_reg");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
    if((hw->phy_type == e1000_phy_igp || 
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
        hw->phy_type == e1000_phy_igp_2) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
       (reg_addr > MAX_PHY_MULTI_PAGE_REG)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
        ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
                                         (uint16_t)reg_addr);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
        if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
    ret_val = e1000_write_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
                                     phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
    return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
e1000_write_phy_reg_ex(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
                    uint32_t reg_addr,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
                    uint16_t phy_data)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
    uint32_t i;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
    uint32_t mdic = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
    const uint32_t phy_addr = 1;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
    DEBUGFUNC("e1000_write_phy_reg_ex");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
    if(reg_addr > MAX_PHY_REG_ADDRESS) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
        DEBUGOUT1("PHY Address %d is out of range\n", reg_addr);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
        return -E1000_ERR_PARAM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
    if(hw->mac_type > e1000_82543) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
        /* Set up Op-code, Phy Address, register address, and data intended
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
         * for the PHY register in the MDI Control register.  The MAC will take
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
         * care of interfacing with the PHY to send the desired data.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
        mdic = (((uint32_t) phy_data) |
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
                (reg_addr << E1000_MDIC_REG_SHIFT) |
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
                (phy_addr << E1000_MDIC_PHY_SHIFT) |
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
                (E1000_MDIC_OP_WRITE));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
        E1000_WRITE_REG(hw, MDIC, mdic);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
        /* Poll the ready bit to see if the MDI read completed */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
        for(i = 0; i < 640; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
            udelay(5);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
            mdic = E1000_READ_REG(hw, MDIC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
            if(mdic & E1000_MDIC_READY) break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
        if(!(mdic & E1000_MDIC_READY)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
            DEBUGOUT("MDI Write did not complete\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
            return -E1000_ERR_PHY;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
        /* We'll need to use the SW defined pins to shift the write command
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
         * out to the PHY. We first send a preamble to the PHY to signal the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
         * beginning of the MII instruction.  This is done by sending 32
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
         * consecutive "1" bits.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
        e1000_shift_out_mdi_bits(hw, PHY_PREAMBLE, PHY_PREAMBLE_SIZE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
        /* Now combine the remaining required fields that will indicate a
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
         * write operation. We use this method instead of calling the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
         * e1000_shift_out_mdi_bits routine for each field in the command. The
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
         * format of a MII write instruction is as follows:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
         * <Preamble><SOF><Op Code><Phy Addr><Reg Addr><Turnaround><Data>.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
        mdic = ((PHY_TURNAROUND) | (reg_addr << 2) | (phy_addr << 7) |
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
                (PHY_OP_WRITE << 12) | (PHY_SOF << 14));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
        mdic <<= 16;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
        mdic |= (uint32_t) phy_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
        e1000_shift_out_mdi_bits(hw, mdic, 32);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
* Returns the PHY to the power-on reset state
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
e1000_phy_hw_reset(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
    uint32_t ctrl, ctrl_ext;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
    uint32_t led_ctrl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
    DEBUGFUNC("e1000_phy_hw_reset");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
    /* In the case of the phy reset being blocked, it's not an error, we
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
     * simply return success without performing the reset. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
    ret_val = e1000_check_phy_reset_block(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
    if (ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
        return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
    DEBUGOUT("Resetting Phy...\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
    if(hw->mac_type > e1000_82543) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
        /* Read the device control register and assert the E1000_CTRL_PHY_RST
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
         * bit. Then, take it out of reset.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
        ctrl = E1000_READ_REG(hw, CTRL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
        E1000_WRITE_REG(hw, CTRL, ctrl | E1000_CTRL_PHY_RST);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
        E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
        msec_delay(10);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
        E1000_WRITE_REG(hw, CTRL, ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
        E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
        /* Read the Extended Device Control Register, assert the PHY_RESET_DIR
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
         * bit to put the PHY into reset. Then, take it out of reset.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
        ctrl_ext = E1000_READ_REG(hw, CTRL_EXT);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
        ctrl_ext |= E1000_CTRL_EXT_SDP4_DIR;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
        ctrl_ext &= ~E1000_CTRL_EXT_SDP4_DATA;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
        E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
        E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
        msec_delay(10);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
        ctrl_ext |= E1000_CTRL_EXT_SDP4_DATA;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
        E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
        E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
    udelay(150);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
    if((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
        /* Configure activity LED after PHY reset */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
        led_ctrl = E1000_READ_REG(hw, LEDCTL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
        led_ctrl &= IGP_ACTIVITY_LED_MASK;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
        led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
        E1000_WRITE_REG(hw, LEDCTL, led_ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
    /* Wait for FW to finish PHY configuration. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
    ret_val = e1000_get_phy_cfg_done(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
    return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
* Resets the PHY
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
* Sets bit 15 of the MII Control regiser
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
e1000_phy_reset(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
    uint16_t phy_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
    DEBUGFUNC("e1000_phy_reset");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
    /* In the case of the phy reset being blocked, it's not an error, we
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
     * simply return success without performing the reset. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
    ret_val = e1000_check_phy_reset_block(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
    if (ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
        return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
    switch (hw->mac_type) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
    case e1000_82541_rev_2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
        ret_val = e1000_phy_hw_reset(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
        ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
        phy_data |= MII_CR_RESET;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
        ret_val = e1000_write_phy_reg(hw, PHY_CTRL, phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
        udelay(1);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
    if(hw->phy_type == e1000_phy_igp || hw->phy_type == e1000_phy_igp_2)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
        e1000_phy_init_script(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
* Probes the expected PHY address for known PHY IDs
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
e1000_detect_gig_phy(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
    int32_t phy_init_status, ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
    uint16_t phy_id_high, phy_id_low;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
    boolean_t match = FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
    DEBUGFUNC("e1000_detect_gig_phy");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
    /* Read the PHY ID Registers to identify which PHY is onboard. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
    ret_val = e1000_read_phy_reg(hw, PHY_ID1, &phy_id_high);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
    hw->phy_id = (uint32_t) (phy_id_high << 16);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
    udelay(20);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
    ret_val = e1000_read_phy_reg(hw, PHY_ID2, &phy_id_low);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
    hw->phy_id |= (uint32_t) (phy_id_low & PHY_REVISION_MASK);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
    hw->phy_revision = (uint32_t) phy_id_low & ~PHY_REVISION_MASK;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
    switch(hw->mac_type) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
    case e1000_82543:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
        if(hw->phy_id == M88E1000_E_PHY_ID) match = TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
    case e1000_82544:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
        if(hw->phy_id == M88E1000_I_PHY_ID) match = TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
    case e1000_82540:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
    case e1000_82545:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
    case e1000_82545_rev_3:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
    case e1000_82546:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
    case e1000_82546_rev_3:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
        if(hw->phy_id == M88E1011_I_PHY_ID) match = TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
    case e1000_82541:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
    case e1000_82541_rev_2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
    case e1000_82547:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
    case e1000_82547_rev_2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
        if(hw->phy_id == IGP01E1000_I_PHY_ID) match = TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
    case e1000_82573:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
        if(hw->phy_id == M88E1111_I_PHY_ID) match = TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
        DEBUGOUT1("Invalid MAC type %d\n", hw->mac_type);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
        return -E1000_ERR_CONFIG;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
    phy_init_status = e1000_set_phy_type(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
    if ((match) && (phy_init_status == E1000_SUCCESS)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
        DEBUGOUT1("PHY ID 0x%X detected\n", hw->phy_id);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
        return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
    DEBUGOUT1("Invalid PHY ID 0x%X\n", hw->phy_id);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
    return -E1000_ERR_PHY;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
* Resets the PHY's DSP
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
static int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
e1000_phy_reset_dsp(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
    DEBUGFUNC("e1000_phy_reset_dsp");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
    do {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
        ret_val = e1000_write_phy_reg(hw, 29, 0x001d);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
        if(ret_val) break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
        ret_val = e1000_write_phy_reg(hw, 30, 0x00c1);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
        if(ret_val) break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
        ret_val = e1000_write_phy_reg(hw, 30, 0x0000);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
        if(ret_val) break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
        ret_val = E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
    } while(0);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
    return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
* Get PHY information from various PHY registers for igp PHY only.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
* phy_info - PHY information structure
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
e1000_phy_igp_get_info(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
                       struct e1000_phy_info *phy_info)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
    uint16_t phy_data, polarity, min_length, max_length, average;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
    DEBUGFUNC("e1000_phy_igp_get_info");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
    /* The downshift status is checked only once, after link is established,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
     * and it stored in the hw->speed_downgraded parameter. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
    phy_info->downshift = (e1000_downshift)hw->speed_downgraded;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
    /* IGP01E1000 does not need to support it. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
    phy_info->extended_10bt_distance = e1000_10bt_ext_dist_enable_normal;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
    /* IGP01E1000 always correct polarity reversal */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
    phy_info->polarity_correction = e1000_polarity_reversal_enabled;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
    /* Check polarity status */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
    ret_val = e1000_check_polarity(hw, &polarity);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
    phy_info->cable_polarity = polarity;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
    ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
    phy_info->mdix_mode = (phy_data & IGP01E1000_PSSR_MDIX) >>
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
                          IGP01E1000_PSSR_MDIX_SHIFT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
    if((phy_data & IGP01E1000_PSSR_SPEED_MASK) ==
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
       IGP01E1000_PSSR_SPEED_1000MBPS) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
        /* Local/Remote Receiver Information are only valid at 1000 Mbps */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
        ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
        phy_info->local_rx = (phy_data & SR_1000T_LOCAL_RX_STATUS) >>
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
                             SR_1000T_LOCAL_RX_STATUS_SHIFT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
        phy_info->remote_rx = (phy_data & SR_1000T_REMOTE_RX_STATUS) >>
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
                              SR_1000T_REMOTE_RX_STATUS_SHIFT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
        /* Get cable length */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
        ret_val = e1000_get_cable_length(hw, &min_length, &max_length);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
        /* Translate to old method */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
        average = (max_length + min_length) / 2;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
        if(average <= e1000_igp_cable_length_50)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
            phy_info->cable_length = e1000_cable_length_50;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
        else if(average <= e1000_igp_cable_length_80)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
            phy_info->cable_length = e1000_cable_length_50_80;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
        else if(average <= e1000_igp_cable_length_110)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
            phy_info->cable_length = e1000_cable_length_80_110;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
        else if(average <= e1000_igp_cable_length_140)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
            phy_info->cable_length = e1000_cable_length_110_140;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
        else
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
            phy_info->cable_length = e1000_cable_length_140;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
* Get PHY information from various PHY registers fot m88 PHY only.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
* phy_info - PHY information structure
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
e1000_phy_m88_get_info(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
                       struct e1000_phy_info *phy_info)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
    uint16_t phy_data, polarity;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
    DEBUGFUNC("e1000_phy_m88_get_info");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
    /* The downshift status is checked only once, after link is established,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
     * and it stored in the hw->speed_downgraded parameter. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
    phy_info->downshift = (e1000_downshift)hw->speed_downgraded;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
    ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
    phy_info->extended_10bt_distance =
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
        (phy_data & M88E1000_PSCR_10BT_EXT_DIST_ENABLE) >>
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
        M88E1000_PSCR_10BT_EXT_DIST_ENABLE_SHIFT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
    phy_info->polarity_correction =
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
        (phy_data & M88E1000_PSCR_POLARITY_REVERSAL) >>
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
        M88E1000_PSCR_POLARITY_REVERSAL_SHIFT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
    /* Check polarity status */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
    ret_val = e1000_check_polarity(hw, &polarity);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
        return ret_val; 
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
    phy_info->cable_polarity = polarity;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
    ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
    phy_info->mdix_mode = (phy_data & M88E1000_PSSR_MDIX) >>
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
                          M88E1000_PSSR_MDIX_SHIFT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
    if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
        /* Cable Length Estimation and Local/Remote Receiver Information
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
         * are only valid at 1000 Mbps.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
        phy_info->cable_length = ((phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
                                  M88E1000_PSSR_CABLE_LENGTH_SHIFT);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
        ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
        phy_info->local_rx = (phy_data & SR_1000T_LOCAL_RX_STATUS) >>
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
                             SR_1000T_LOCAL_RX_STATUS_SHIFT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
        phy_info->remote_rx = (phy_data & SR_1000T_REMOTE_RX_STATUS) >>
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
                              SR_1000T_REMOTE_RX_STATUS_SHIFT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
* Get PHY information from various PHY registers
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
* phy_info - PHY information structure
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
e1000_phy_get_info(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
                   struct e1000_phy_info *phy_info)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
    uint16_t phy_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
    DEBUGFUNC("e1000_phy_get_info");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
    phy_info->cable_length = e1000_cable_length_undefined;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
    phy_info->extended_10bt_distance = e1000_10bt_ext_dist_enable_undefined;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
    phy_info->cable_polarity = e1000_rev_polarity_undefined;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
    phy_info->downshift = e1000_downshift_undefined;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
    phy_info->polarity_correction = e1000_polarity_reversal_undefined;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
    phy_info->mdix_mode = e1000_auto_x_mode_undefined;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
    phy_info->local_rx = e1000_1000t_rx_status_undefined;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
    phy_info->remote_rx = e1000_1000t_rx_status_undefined;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
    if(hw->media_type != e1000_media_type_copper) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
        DEBUGOUT("PHY info is only valid for copper media\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
        return -E1000_ERR_CONFIG;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
    ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
    ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
    if((phy_data & MII_SR_LINK_STATUS) != MII_SR_LINK_STATUS) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
        DEBUGOUT("PHY info is only valid if link is up\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
        return -E1000_ERR_CONFIG;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
    if(hw->phy_type == e1000_phy_igp ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
        hw->phy_type == e1000_phy_igp_2)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
        return e1000_phy_igp_get_info(hw, phy_info);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
    else
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
        return e1000_phy_m88_get_info(hw, phy_info);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
e1000_validate_mdi_setting(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
    DEBUGFUNC("e1000_validate_mdi_settings");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
    if(!hw->autoneg && (hw->mdix == 0 || hw->mdix == 3)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
        DEBUGOUT("Invalid MDI setting detected\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
        hw->mdix = 1;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
        return -E1000_ERR_CONFIG;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
 * Sets up eeprom variables in the hw struct.  Must be called after mac_type
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
 * is configured.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
e1000_init_eeprom_params(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
    struct e1000_eeprom_info *eeprom = &hw->eeprom;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
    uint32_t eecd = E1000_READ_REG(hw, EECD);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
    int32_t ret_val = E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
    uint16_t eeprom_size;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
    DEBUGFUNC("e1000_init_eeprom_params");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
    switch (hw->mac_type) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
    case e1000_82542_rev2_0:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
    case e1000_82542_rev2_1:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
    case e1000_82543:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
    case e1000_82544:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
        eeprom->type = e1000_eeprom_microwire;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
        eeprom->word_size = 64;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
        eeprom->opcode_bits = 3;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
        eeprom->address_bits = 6;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
        eeprom->delay_usec = 50;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
        eeprom->use_eerd = FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
        eeprom->use_eewr = FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
    case e1000_82540:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
    case e1000_82545:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
    case e1000_82545_rev_3:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
    case e1000_82546:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
    case e1000_82546_rev_3:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
        eeprom->type = e1000_eeprom_microwire;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
        eeprom->opcode_bits = 3;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
        eeprom->delay_usec = 50;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
        if(eecd & E1000_EECD_SIZE) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
            eeprom->word_size = 256;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
            eeprom->address_bits = 8;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
        } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
            eeprom->word_size = 64;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
            eeprom->address_bits = 6;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
        eeprom->use_eerd = FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
        eeprom->use_eewr = FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
    case e1000_82541:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
    case e1000_82541_rev_2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
    case e1000_82547:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
    case e1000_82547_rev_2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
        if (eecd & E1000_EECD_TYPE) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
            eeprom->type = e1000_eeprom_spi;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
            eeprom->opcode_bits = 8;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
            eeprom->delay_usec = 1;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
            if (eecd & E1000_EECD_ADDR_BITS) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
                eeprom->page_size = 32;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
                eeprom->address_bits = 16;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
            } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
                eeprom->page_size = 8;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
                eeprom->address_bits = 8;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
        } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
            eeprom->type = e1000_eeprom_microwire;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
            eeprom->opcode_bits = 3;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
            eeprom->delay_usec = 50;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
            if (eecd & E1000_EECD_ADDR_BITS) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
                eeprom->word_size = 256;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
                eeprom->address_bits = 8;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
            } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
                eeprom->word_size = 64;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
                eeprom->address_bits = 6;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
        eeprom->use_eerd = FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
        eeprom->use_eewr = FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
    case e1000_82573:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
        eeprom->type = e1000_eeprom_spi;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
        eeprom->opcode_bits = 8;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
        eeprom->delay_usec = 1;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
        if (eecd & E1000_EECD_ADDR_BITS) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
            eeprom->page_size = 32;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
            eeprom->address_bits = 16;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
        } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
            eeprom->page_size = 8;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
            eeprom->address_bits = 8;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
        eeprom->use_eerd = TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
        eeprom->use_eewr = TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
        if(e1000_is_onboard_nvm_eeprom(hw) == FALSE) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
            eeprom->type = e1000_eeprom_flash;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
            eeprom->word_size = 2048;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
            /* Ensure that the Autonomous FLASH update bit is cleared due to
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
             * Flash update issue on parts which use a FLASH for NVM. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
            eecd &= ~E1000_EECD_AUPDEN;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
            E1000_WRITE_REG(hw, EECD, eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
    if (eeprom->type == e1000_eeprom_spi) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
        /* eeprom_size will be an enum [0..8] that maps to eeprom sizes 128B to
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
         * 32KB (incremented by powers of 2).
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
        if(hw->mac_type <= e1000_82547_rev_2) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
            /* Set to default value for initial eeprom read. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
            eeprom->word_size = 64;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
            ret_val = e1000_read_eeprom(hw, EEPROM_CFG, 1, &eeprom_size);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
            eeprom_size = (eeprom_size & EEPROM_SIZE_MASK) >> EEPROM_SIZE_SHIFT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
            /* 256B eeprom size was not supported in earlier hardware, so we
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
             * bump eeprom_size up one to ensure that "1" (which maps to 256B)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
             * is never the result used in the shifting logic below. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
            if(eeprom_size)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
                eeprom_size++;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
        } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
            eeprom_size = (uint16_t)((eecd & E1000_EECD_SIZE_EX_MASK) >>
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
                          E1000_EECD_SIZE_EX_SHIFT);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
        eeprom->word_size = 1 << (eeprom_size + EEPROM_WORD_SIZE_SHIFT);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
    return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
 * Raises the EEPROM's clock input.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
 * eecd - EECD's current value
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
static void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
e1000_raise_ee_clk(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
                   uint32_t *eecd)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
    /* Raise the clock input to the EEPROM (by setting the SK bit), and then
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
     * wait <delay> microseconds.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
    *eecd = *eecd | E1000_EECD_SK;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
    E1000_WRITE_REG(hw, EECD, *eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
    E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
    udelay(hw->eeprom.delay_usec);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
 * Lowers the EEPROM's clock input.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
 * eecd - EECD's current value
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
static void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
e1000_lower_ee_clk(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
                   uint32_t *eecd)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
    /* Lower the clock input to the EEPROM (by clearing the SK bit), and then
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
     * wait 50 microseconds.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
    *eecd = *eecd & ~E1000_EECD_SK;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
    E1000_WRITE_REG(hw, EECD, *eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
    E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
    udelay(hw->eeprom.delay_usec);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
 * Shift data bits out to the EEPROM.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
 * data - data to send to the EEPROM
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
 * count - number of bits to shift out
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
static void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
e1000_shift_out_ee_bits(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
                        uint16_t data,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
                        uint16_t count)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
    struct e1000_eeprom_info *eeprom = &hw->eeprom;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
    uint32_t eecd;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
    uint32_t mask;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
    /* We need to shift "count" bits out to the EEPROM. So, value in the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
     * "data" parameter will be shifted out to the EEPROM one bit at a time.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
     * In order to do this, "data" must be broken down into bits.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
    mask = 0x01 << (count - 1);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
    eecd = E1000_READ_REG(hw, EECD);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
    if (eeprom->type == e1000_eeprom_microwire) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
        eecd &= ~E1000_EECD_DO;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
    } else if (eeprom->type == e1000_eeprom_spi) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
        eecd |= E1000_EECD_DO;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
    do {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
        /* A "1" is shifted out to the EEPROM by setting bit "DI" to a "1",
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
         * and then raising and then lowering the clock (the SK bit controls
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
         * the clock input to the EEPROM).  A "0" is shifted out to the EEPROM
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
         * by setting "DI" to "0" and then raising and then lowering the clock.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
        eecd &= ~E1000_EECD_DI;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
        if(data & mask)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
            eecd |= E1000_EECD_DI;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
        E1000_WRITE_REG(hw, EECD, eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
        E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
        udelay(eeprom->delay_usec);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
        e1000_raise_ee_clk(hw, &eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
        e1000_lower_ee_clk(hw, &eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
        mask = mask >> 1;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
    } while(mask);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
    /* We leave the "DI" bit set to "0" when we leave this routine. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
    eecd &= ~E1000_EECD_DI;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
    E1000_WRITE_REG(hw, EECD, eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
 * Shift data bits in from the EEPROM
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
static uint16_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
e1000_shift_in_ee_bits(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
                       uint16_t count)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
    uint32_t eecd;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
    uint32_t i;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
    uint16_t data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
    /* In order to read a register from the EEPROM, we need to shift 'count'
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
     * bits in from the EEPROM. Bits are "shifted in" by raising the clock
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
     * input to the EEPROM (setting the SK bit), and then reading the value of
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
     * the "DO" bit.  During this "shifting in" process the "DI" bit should
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
     * always be clear.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
    eecd = E1000_READ_REG(hw, EECD);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
    eecd &= ~(E1000_EECD_DO | E1000_EECD_DI);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
    data = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
    for(i = 0; i < count; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
        data = data << 1;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
        e1000_raise_ee_clk(hw, &eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
        eecd = E1000_READ_REG(hw, EECD);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
        eecd &= ~(E1000_EECD_DI);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
        if(eecd & E1000_EECD_DO)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
            data |= 1;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
        e1000_lower_ee_clk(hw, &eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
    return data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
 * Prepares EEPROM for access
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
 * Lowers EEPROM clock. Clears input pin. Sets the chip select pin. This
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
 * function should be called before issuing a command to the EEPROM.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
static int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
e1000_acquire_eeprom(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
    struct e1000_eeprom_info *eeprom = &hw->eeprom;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
    uint32_t eecd, i=0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
    DEBUGFUNC("e1000_acquire_eeprom");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
    if(e1000_get_hw_eeprom_semaphore(hw))
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
        return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
    eecd = E1000_READ_REG(hw, EECD);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
    if (hw->mac_type != e1000_82573) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
    /* Request EEPROM Access */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
    if(hw->mac_type > e1000_82544) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
        eecd |= E1000_EECD_REQ;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
        E1000_WRITE_REG(hw, EECD, eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
        eecd = E1000_READ_REG(hw, EECD);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
        while((!(eecd & E1000_EECD_GNT)) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
              (i < E1000_EEPROM_GRANT_ATTEMPTS)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
            i++;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
            udelay(5);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
            eecd = E1000_READ_REG(hw, EECD);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
        if(!(eecd & E1000_EECD_GNT)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
            eecd &= ~E1000_EECD_REQ;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
            E1000_WRITE_REG(hw, EECD, eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
            DEBUGOUT("Could not acquire EEPROM grant\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
            return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
    /* Setup EEPROM for Read/Write */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
    if (eeprom->type == e1000_eeprom_microwire) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
        /* Clear SK and DI */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
        eecd &= ~(E1000_EECD_DI | E1000_EECD_SK);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
        E1000_WRITE_REG(hw, EECD, eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
        /* Set CS */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
        eecd |= E1000_EECD_CS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
        E1000_WRITE_REG(hw, EECD, eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
    } else if (eeprom->type == e1000_eeprom_spi) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
        /* Clear SK and CS */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
        eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
        E1000_WRITE_REG(hw, EECD, eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
        udelay(1);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
 * Returns EEPROM to a "standby" state
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
static void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
e1000_standby_eeprom(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
    struct e1000_eeprom_info *eeprom = &hw->eeprom;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
    uint32_t eecd;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
    eecd = E1000_READ_REG(hw, EECD);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
    if(eeprom->type == e1000_eeprom_microwire) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
        eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
        E1000_WRITE_REG(hw, EECD, eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
        E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
        udelay(eeprom->delay_usec);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
        /* Clock high */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
        eecd |= E1000_EECD_SK;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
        E1000_WRITE_REG(hw, EECD, eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
        E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
        udelay(eeprom->delay_usec);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
        /* Select EEPROM */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
        eecd |= E1000_EECD_CS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
        E1000_WRITE_REG(hw, EECD, eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
        E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
        udelay(eeprom->delay_usec);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
        /* Clock low */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
        eecd &= ~E1000_EECD_SK;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
        E1000_WRITE_REG(hw, EECD, eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
        E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
        udelay(eeprom->delay_usec);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
    } else if(eeprom->type == e1000_eeprom_spi) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
        /* Toggle CS to flush commands */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
        eecd |= E1000_EECD_CS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
        E1000_WRITE_REG(hw, EECD, eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
        E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
        udelay(eeprom->delay_usec);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
        eecd &= ~E1000_EECD_CS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
        E1000_WRITE_REG(hw, EECD, eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
        E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
        udelay(eeprom->delay_usec);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
 * Terminates a command by inverting the EEPROM's chip select pin
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
static void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
e1000_release_eeprom(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
    uint32_t eecd;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
    DEBUGFUNC("e1000_release_eeprom");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
    eecd = E1000_READ_REG(hw, EECD);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
    if (hw->eeprom.type == e1000_eeprom_spi) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
        eecd |= E1000_EECD_CS;  /* Pull CS high */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
        eecd &= ~E1000_EECD_SK; /* Lower SCK */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
        E1000_WRITE_REG(hw, EECD, eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
        udelay(hw->eeprom.delay_usec);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
    } else if(hw->eeprom.type == e1000_eeprom_microwire) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
        /* cleanup eeprom */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
        /* CS on Microwire is active-high */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
        eecd &= ~(E1000_EECD_CS | E1000_EECD_DI);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
        E1000_WRITE_REG(hw, EECD, eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
        /* Rising edge of clock */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
        eecd |= E1000_EECD_SK;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
        E1000_WRITE_REG(hw, EECD, eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
        E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
        udelay(hw->eeprom.delay_usec);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
        /* Falling edge of clock */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
        eecd &= ~E1000_EECD_SK;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
        E1000_WRITE_REG(hw, EECD, eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
        E1000_WRITE_FLUSH(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
        udelay(hw->eeprom.delay_usec);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
    /* Stop requesting EEPROM access */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
    if(hw->mac_type > e1000_82544) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
        eecd &= ~E1000_EECD_REQ;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
        E1000_WRITE_REG(hw, EECD, eecd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
    e1000_put_hw_eeprom_semaphore(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
 * Reads a 16 bit word from the EEPROM.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
e1000_spi_eeprom_ready(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
    uint16_t retry_count = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
    uint8_t spi_stat_reg;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
    DEBUGFUNC("e1000_spi_eeprom_ready");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
    /* Read "Status Register" repeatedly until the LSB is cleared.  The
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
     * EEPROM will signal that the command has been completed by clearing
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
     * bit 0 of the internal status register.  If it's not cleared within
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
     * 5 milliseconds, then error out.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
    retry_count = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
    do {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
        e1000_shift_out_ee_bits(hw, EEPROM_RDSR_OPCODE_SPI,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
                                hw->eeprom.opcode_bits);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
        spi_stat_reg = (uint8_t)e1000_shift_in_ee_bits(hw, 8);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
        if (!(spi_stat_reg & EEPROM_STATUS_RDY_SPI))
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
        udelay(5);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
        retry_count += 5;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
        e1000_standby_eeprom(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
    } while(retry_count < EEPROM_MAX_RETRY_SPI);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
    /* ATMEL SPI write time could vary from 0-20mSec on 3.3V devices (and
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
     * only 0-5mSec on 5V devices)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
    if(retry_count >= EEPROM_MAX_RETRY_SPI) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
        DEBUGOUT("SPI EEPROM Status error\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
        return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
 * Reads a 16 bit word from the EEPROM.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
 * offset - offset of  word in the EEPROM to read
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
 * data - word read from the EEPROM
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
 * words - number of words to read
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
e1000_read_eeprom(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
                  uint16_t offset,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
                  uint16_t words,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
                  uint16_t *data)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
    struct e1000_eeprom_info *eeprom = &hw->eeprom;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
    uint32_t i = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
    DEBUGFUNC("e1000_read_eeprom");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
    /* A check for invalid values:  offset too large, too many words, and not
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
     * enough words.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
    if((offset >= eeprom->word_size) || (words > eeprom->word_size - offset) ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
       (words == 0)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
        DEBUGOUT("\"words\" parameter out of bounds\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
        return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
    /* FLASH reads without acquiring the semaphore are safe in 82573-based
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
     * controllers.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
    if ((e1000_is_onboard_nvm_eeprom(hw) == TRUE) ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
        (hw->mac_type != e1000_82573)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
        /* Prepare the EEPROM for reading  */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
        if(e1000_acquire_eeprom(hw) != E1000_SUCCESS)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
            return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
    if(eeprom->use_eerd == TRUE) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
        ret_val = e1000_read_eeprom_eerd(hw, offset, words, data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
        if ((e1000_is_onboard_nvm_eeprom(hw) == TRUE) ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
            (hw->mac_type != e1000_82573))
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
            e1000_release_eeprom(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
    if(eeprom->type == e1000_eeprom_spi) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
        uint16_t word_in;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
        uint8_t read_opcode = EEPROM_READ_OPCODE_SPI;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
        if(e1000_spi_eeprom_ready(hw)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
            e1000_release_eeprom(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
            return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
        e1000_standby_eeprom(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
        /* Some SPI eeproms use the 8th address bit embedded in the opcode */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
        if((eeprom->address_bits == 8) && (offset >= 128))
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
            read_opcode |= EEPROM_A8_OPCODE_SPI;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
        /* Send the READ command (opcode + addr)  */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
        e1000_shift_out_ee_bits(hw, read_opcode, eeprom->opcode_bits);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
        e1000_shift_out_ee_bits(hw, (uint16_t)(offset*2), eeprom->address_bits);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
        /* Read the data.  The address of the eeprom internally increments with
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
         * each byte (spi) being read, saving on the overhead of eeprom setup
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
         * and tear-down.  The address counter will roll over if reading beyond
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
         * the size of the eeprom, thus allowing the entire memory to be read
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
         * starting from any offset. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
        for (i = 0; i < words; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
            word_in = e1000_shift_in_ee_bits(hw, 16);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
            data[i] = (word_in >> 8) | (word_in << 8);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
    } else if(eeprom->type == e1000_eeprom_microwire) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
        for (i = 0; i < words; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
            /* Send the READ command (opcode + addr)  */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
            e1000_shift_out_ee_bits(hw, EEPROM_READ_OPCODE_MICROWIRE,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
                                    eeprom->opcode_bits);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
            e1000_shift_out_ee_bits(hw, (uint16_t)(offset + i),
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
                                    eeprom->address_bits);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
            /* Read the data.  For microwire, each word requires the overhead
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
             * of eeprom setup and tear-down. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
            data[i] = e1000_shift_in_ee_bits(hw, 16);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
            e1000_standby_eeprom(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
    /* End this read operation */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
    e1000_release_eeprom(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
 * Reads a 16 bit word from the EEPROM using the EERD register.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
 * offset - offset of  word in the EEPROM to read
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
 * data - word read from the EEPROM
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
 * words - number of words to read
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
e1000_read_eeprom_eerd(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
                  uint16_t offset,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
                  uint16_t words,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
                  uint16_t *data)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
    uint32_t i, eerd = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
    int32_t error = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
    for (i = 0; i < words; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
        eerd = ((offset+i) << E1000_EEPROM_RW_ADDR_SHIFT) +
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
                         E1000_EEPROM_RW_REG_START;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
        E1000_WRITE_REG(hw, EERD, eerd);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
        error = e1000_poll_eerd_eewr_done(hw, E1000_EEPROM_POLL_READ);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
        
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
        if(error) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
        data[i] = (E1000_READ_REG(hw, EERD) >> E1000_EEPROM_RW_REG_DATA);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
      
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
    
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
    return error;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
 * Writes a 16 bit word from the EEPROM using the EEWR register.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
 * offset - offset of  word in the EEPROM to read
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
 * data - word read from the EEPROM
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
 * words - number of words to read
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
e1000_write_eeprom_eewr(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
                   uint16_t offset,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
                   uint16_t words,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
                   uint16_t *data)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
    uint32_t    register_value = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
    uint32_t    i              = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
    int32_t     error          = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
    for (i = 0; i < words; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
        register_value = (data[i] << E1000_EEPROM_RW_REG_DATA) | 
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
                         ((offset+i) << E1000_EEPROM_RW_ADDR_SHIFT) | 
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
                         E1000_EEPROM_RW_REG_START;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
        error = e1000_poll_eerd_eewr_done(hw, E1000_EEPROM_POLL_WRITE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
        if(error) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
        }       
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
        E1000_WRITE_REG(hw, EEWR, register_value);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
        
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
        error = e1000_poll_eerd_eewr_done(hw, E1000_EEPROM_POLL_WRITE);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
        
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
        if(error) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
        }       
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
    
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
    return error;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
 * Polls the status bit (bit 1) of the EERD to determine when the read is done.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
e1000_poll_eerd_eewr_done(struct e1000_hw *hw, int eerd)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
    uint32_t attempts = 100000;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
    uint32_t i, reg = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
    int32_t done = E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
    for(i = 0; i < attempts; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
        if(eerd == E1000_EEPROM_POLL_READ)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
            reg = E1000_READ_REG(hw, EERD);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
        else 
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
            reg = E1000_READ_REG(hw, EEWR);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
        if(reg & E1000_EEPROM_RW_REG_DONE) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
            done = E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
        udelay(5);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
    return done;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
/***************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
* Description:     Determines if the onboard NVM is FLASH or EEPROM.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
*
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
* hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
boolean_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
e1000_is_onboard_nvm_eeprom(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
    uint32_t eecd = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
    if(hw->mac_type == e1000_82573) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
        eecd = E1000_READ_REG(hw, EECD);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
        /* Isolate bits 15 & 16 */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
        eecd = ((eecd >> 15) & 0x03);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
        /* If both bits are set, device is Flash type */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
        if(eecd == 0x03) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
            return FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
    return TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
 * Verifies that the EEPROM has a valid checksum
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
 * Reads the first 64 16 bit words of the EEPROM and sums the values read.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
 * If the the sum of the 64 16 bit words is 0xBABA, the EEPROM's checksum is
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
 * valid.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
e1000_validate_eeprom_checksum(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
    uint16_t checksum = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
    uint16_t i, eeprom_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
    DEBUGFUNC("e1000_validate_eeprom_checksum");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
    if ((hw->mac_type == e1000_82573) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
        (e1000_is_onboard_nvm_eeprom(hw) == FALSE)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
        /* Check bit 4 of word 10h.  If it is 0, firmware is done updating
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
         * 10h-12h.  Checksum may need to be fixed. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
        e1000_read_eeprom(hw, 0x10, 1, &eeprom_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
        if ((eeprom_data & 0x10) == 0) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
            /* Read 0x23 and check bit 15.  This bit is a 1 when the checksum
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
             * has already been fixed.  If the checksum is still wrong and this
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
             * bit is a 1, we need to return bad checksum.  Otherwise, we need
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
             * to set this bit to a 1 and update the checksum. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
            e1000_read_eeprom(hw, 0x23, 1, &eeprom_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
            if ((eeprom_data & 0x8000) == 0) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
                eeprom_data |= 0x8000;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
                e1000_write_eeprom(hw, 0x23, 1, &eeprom_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
                e1000_update_eeprom_checksum(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
    for(i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
        if(e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
            DEBUGOUT("EEPROM Read Error\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
            return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
        checksum += eeprom_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
    if(checksum == (uint16_t) EEPROM_SUM)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
        return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
    else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
        DEBUGOUT("EEPROM Checksum Invalid\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
        return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
 * Calculates the EEPROM checksum and writes it to the EEPROM
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
 * Sums the first 63 16 bit words of the EEPROM. Subtracts the sum from 0xBABA.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
 * Writes the difference to word offset 63 of the EEPROM.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
e1000_update_eeprom_checksum(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
    uint16_t checksum = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
    uint16_t i, eeprom_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
    DEBUGFUNC("e1000_update_eeprom_checksum");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
    for(i = 0; i < EEPROM_CHECKSUM_REG; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
        if(e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
            DEBUGOUT("EEPROM Read Error\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
            return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
        checksum += eeprom_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
    checksum = (uint16_t) EEPROM_SUM - checksum;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
    if(e1000_write_eeprom(hw, EEPROM_CHECKSUM_REG, 1, &checksum) < 0) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
        DEBUGOUT("EEPROM Write Error\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
        return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
    } else if (hw->eeprom.type == e1000_eeprom_flash) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
        e1000_commit_shadow_ram(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
 * Parent function for writing words to the different EEPROM types.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
 * offset - offset within the EEPROM to be written to
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
 * words - number of words to write
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
 * data - 16 bit word to be written to the EEPROM
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
 * If e1000_update_eeprom_checksum is not called after this function, the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
 * EEPROM will most likely contain an invalid checksum.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
e1000_write_eeprom(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
                   uint16_t offset,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
                   uint16_t words,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
                   uint16_t *data)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
    struct e1000_eeprom_info *eeprom = &hw->eeprom;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
    int32_t status = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
    DEBUGFUNC("e1000_write_eeprom");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
    /* A check for invalid values:  offset too large, too many words, and not
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
     * enough words.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
    if((offset >= eeprom->word_size) || (words > eeprom->word_size - offset) ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
       (words == 0)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
        DEBUGOUT("\"words\" parameter out of bounds\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
        return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
    /* 82573 reads only through eerd */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
    if(eeprom->use_eewr == TRUE)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
        return e1000_write_eeprom_eewr(hw, offset, words, data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
    /* Prepare the EEPROM for writing  */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
    if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
        return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
    if(eeprom->type == e1000_eeprom_microwire) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
        status = e1000_write_eeprom_microwire(hw, offset, words, data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
        status = e1000_write_eeprom_spi(hw, offset, words, data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
        msec_delay(10);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
    /* Done with writing */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
    e1000_release_eeprom(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
    return status;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
 * Writes a 16 bit word to a given offset in an SPI EEPROM.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
 * offset - offset within the EEPROM to be written to
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
 * words - number of words to write
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
 * data - pointer to array of 8 bit words to be written to the EEPROM
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
e1000_write_eeprom_spi(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
                       uint16_t offset,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
                       uint16_t words,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
                       uint16_t *data)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
    struct e1000_eeprom_info *eeprom = &hw->eeprom;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
    uint16_t widx = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
    DEBUGFUNC("e1000_write_eeprom_spi");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
    while (widx < words) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
        uint8_t write_opcode = EEPROM_WRITE_OPCODE_SPI;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
        if(e1000_spi_eeprom_ready(hw)) return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
        e1000_standby_eeprom(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
        /*  Send the WRITE ENABLE command (8 bit opcode )  */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
        e1000_shift_out_ee_bits(hw, EEPROM_WREN_OPCODE_SPI,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
                                    eeprom->opcode_bits);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
        e1000_standby_eeprom(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
        /* Some SPI eeproms use the 8th address bit embedded in the opcode */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
        if((eeprom->address_bits == 8) && (offset >= 128))
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
            write_opcode |= EEPROM_A8_OPCODE_SPI;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
        /* Send the Write command (8-bit opcode + addr) */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
        e1000_shift_out_ee_bits(hw, write_opcode, eeprom->opcode_bits);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
        e1000_shift_out_ee_bits(hw, (uint16_t)((offset + widx)*2),
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
                                eeprom->address_bits);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
        /* Send the data */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
        /* Loop to allow for up to whole page write (32 bytes) of eeprom */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
        while (widx < words) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
            uint16_t word_out = data[widx];
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
            word_out = (word_out >> 8) | (word_out << 8);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
            e1000_shift_out_ee_bits(hw, word_out, 16);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
            widx++;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
            /* Some larger eeprom sizes are capable of a 32-byte PAGE WRITE
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
             * operation, while the smaller eeproms are capable of an 8-byte
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
             * PAGE WRITE operation.  Break the inner loop to pass new address
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
             */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
            if((((offset + widx)*2) % eeprom->page_size) == 0) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
                e1000_standby_eeprom(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
                break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
 * Writes a 16 bit word to a given offset in a Microwire EEPROM.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
 * offset - offset within the EEPROM to be written to
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
 * words - number of words to write
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
 * data - pointer to array of 16 bit words to be written to the EEPROM
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
e1000_write_eeprom_microwire(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
                             uint16_t offset,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
                             uint16_t words,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
                             uint16_t *data)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
    struct e1000_eeprom_info *eeprom = &hw->eeprom;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
    uint32_t eecd;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
    uint16_t words_written = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
    uint16_t i = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
    DEBUGFUNC("e1000_write_eeprom_microwire");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
    /* Send the write enable command to the EEPROM (3-bit opcode plus
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
     * 6/8-bit dummy address beginning with 11).  It's less work to include
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
     * the 11 of the dummy address as part of the opcode than it is to shift
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
     * it over the correct number of bits for the address.  This puts the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
     * EEPROM into write/erase mode.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
    e1000_shift_out_ee_bits(hw, EEPROM_EWEN_OPCODE_MICROWIRE,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
                            (uint16_t)(eeprom->opcode_bits + 2));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
    e1000_shift_out_ee_bits(hw, 0, (uint16_t)(eeprom->address_bits - 2));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
    /* Prepare the EEPROM */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
    e1000_standby_eeprom(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
    while (words_written < words) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
        /* Send the Write command (3-bit opcode + addr) */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
        e1000_shift_out_ee_bits(hw, EEPROM_WRITE_OPCODE_MICROWIRE,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
                                eeprom->opcode_bits);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
        e1000_shift_out_ee_bits(hw, (uint16_t)(offset + words_written),
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
                                eeprom->address_bits);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
        /* Send the data */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
        e1000_shift_out_ee_bits(hw, data[words_written], 16);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
        /* Toggle the CS line.  This in effect tells the EEPROM to execute
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
         * the previous command.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
        e1000_standby_eeprom(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
        /* Read DO repeatedly until it is high (equal to '1').  The EEPROM will
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
         * signal that the command has been completed by raising the DO signal.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
         * If DO does not go high in 10 milliseconds, then error out.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
        for(i = 0; i < 200; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
            eecd = E1000_READ_REG(hw, EECD);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
            if(eecd & E1000_EECD_DO) break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
            udelay(50);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
        if(i == 200) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
            DEBUGOUT("EEPROM Write did not complete\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
            return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
        /* Recover from write */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
        e1000_standby_eeprom(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
        words_written++;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
    /* Send the write disable command to the EEPROM (3-bit opcode plus
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
     * 6/8-bit dummy address beginning with 10).  It's less work to include
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
     * the 10 of the dummy address as part of the opcode than it is to shift
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
     * it over the correct number of bits for the address.  This takes the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
     * EEPROM out of write/erase mode.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
    e1000_shift_out_ee_bits(hw, EEPROM_EWDS_OPCODE_MICROWIRE,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
                            (uint16_t)(eeprom->opcode_bits + 2));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
    e1000_shift_out_ee_bits(hw, 0, (uint16_t)(eeprom->address_bits - 2));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
 * Flushes the cached eeprom to NVM. This is done by saving the modified values
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
 * in the eeprom cache and the non modified values in the currently active bank
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
 * to the new bank.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
 * offset - offset of  word in the EEPROM to read
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
 * data - word read from the EEPROM
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
 * words - number of words to read
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
e1000_commit_shadow_ram(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
    uint32_t attempts = 100000;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
    uint32_t eecd = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
    uint32_t flop = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
    uint32_t i = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
    int32_t error = E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
    /* The flop register will be used to determine if flash type is STM */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
    flop = E1000_READ_REG(hw, FLOP);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
    if (hw->mac_type == e1000_82573) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
        for (i=0; i < attempts; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
            eecd = E1000_READ_REG(hw, EECD);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
            if ((eecd & E1000_EECD_FLUPD) == 0) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
                break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
            udelay(5);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
        if (i == attempts) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
            return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
	/* If STM opcode located in bits 15:8 of flop, reset firmware */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
        if ((flop & 0xFF00) == E1000_STM_OPCODE) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
            E1000_WRITE_REG(hw, HICR, E1000_HICR_FW_RESET);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
        /* Perform the flash update */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
        E1000_WRITE_REG(hw, EECD, eecd | E1000_EECD_FLUPD);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
	for (i=0; i < attempts; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
            eecd = E1000_READ_REG(hw, EECD);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
            if ((eecd & E1000_EECD_FLUPD) == 0) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
                break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
            udelay(5);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
        if (i == attempts) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
            return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
    return error;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
 * Reads the adapter's part number from the EEPROM
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
 * part_num - Adapter's part number
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
e1000_read_part_num(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
                    uint32_t *part_num)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
    uint16_t offset = EEPROM_PBA_BYTE_1;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
    uint16_t eeprom_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
    DEBUGFUNC("e1000_read_part_num");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
    /* Get word 0 from EEPROM */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
    if(e1000_read_eeprom(hw, offset, 1, &eeprom_data) < 0) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
        DEBUGOUT("EEPROM Read Error\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
        return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
    /* Save word 0 in upper half of part_num */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
    *part_num = (uint32_t) (eeprom_data << 16);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
    /* Get word 1 from EEPROM */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
    if(e1000_read_eeprom(hw, ++offset, 1, &eeprom_data) < 0) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
        DEBUGOUT("EEPROM Read Error\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
        return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
    /* Save word 1 in lower half of part_num */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
    *part_num |= eeprom_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
 * Reads the adapter's MAC address from the EEPROM and inverts the LSB for the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
 * second function of dual function devices
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
e1000_read_mac_addr(struct e1000_hw * hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
    uint16_t offset;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
    uint16_t eeprom_data, i;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
    DEBUGFUNC("e1000_read_mac_addr");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
    for(i = 0; i < NODE_ADDRESS_SIZE; i += 2) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
        offset = i >> 1;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
        if(e1000_read_eeprom(hw, offset, 1, &eeprom_data) < 0) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
            DEBUGOUT("EEPROM Read Error\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
            return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
        hw->perm_mac_addr[i] = (uint8_t) (eeprom_data & 0x00FF);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
        hw->perm_mac_addr[i+1] = (uint8_t) (eeprom_data >> 8);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
    if(((hw->mac_type == e1000_82546) || (hw->mac_type == e1000_82546_rev_3)) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
       (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1))
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
            hw->perm_mac_addr[5] ^= 0x01;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
    for(i = 0; i < NODE_ADDRESS_SIZE; i++)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
        hw->mac_addr[i] = hw->perm_mac_addr[i];
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
 * Initializes receive address filters.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
 * Places the MAC address in receive address register 0 and clears the rest
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
 * of the receive addresss registers. Clears the multicast table. Assumes
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
 * the receiver is in reset when the routine is called.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
e1000_init_rx_addrs(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
    uint32_t i;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
    uint32_t rar_num;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
    DEBUGFUNC("e1000_init_rx_addrs");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
    /* Setup the receive address. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
    DEBUGOUT("Programming MAC Address into RAR[0]\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
    e1000_rar_set(hw, hw->mac_addr, 0);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
    rar_num = E1000_RAR_ENTRIES;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
    /* Zero out the other 15 receive addresses. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
    DEBUGOUT("Clearing RAR[1-15]\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
    for(i = 1; i < rar_num; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
        E1000_WRITE_REG_ARRAY(hw, RA, (i << 1), 0);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
        E1000_WRITE_REG_ARRAY(hw, RA, ((i << 1) + 1), 0);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
 * Updates the MAC's list of multicast addresses.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
 * mc_addr_list - the list of new multicast addresses
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
 * mc_addr_count - number of addresses
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
 * pad - number of bytes between addresses in the list
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
 * rar_used_count - offset where to start adding mc addresses into the RAR's
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
 * The given list replaces any existing list. Clears the last 15 receive
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
 * address registers and the multicast table. Uses receive address registers
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
 * for the first 15 multicast addresses, and hashes the rest into the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
 * multicast table.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
e1000_mc_addr_list_update(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
                          uint8_t *mc_addr_list,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
                          uint32_t mc_addr_count,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
                          uint32_t pad,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
                          uint32_t rar_used_count)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
    uint32_t hash_value;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
    uint32_t i;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
    uint32_t num_rar_entry;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
    uint32_t num_mta_entry;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
    
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
    DEBUGFUNC("e1000_mc_addr_list_update");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
    /* Set the new number of MC addresses that we are being requested to use. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
    hw->num_mc_addrs = mc_addr_count;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
    /* Clear RAR[1-15] */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
    DEBUGOUT(" Clearing RAR[1-15]\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
    num_rar_entry = E1000_RAR_ENTRIES;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
    for(i = rar_used_count; i < num_rar_entry; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
        E1000_WRITE_REG_ARRAY(hw, RA, (i << 1), 0);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
        E1000_WRITE_REG_ARRAY(hw, RA, ((i << 1) + 1), 0);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
    /* Clear the MTA */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
    DEBUGOUT(" Clearing MTA\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
    num_mta_entry = E1000_NUM_MTA_REGISTERS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
    for(i = 0; i < num_mta_entry; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
        E1000_WRITE_REG_ARRAY(hw, MTA, i, 0);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
    /* Add the new addresses */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
    for(i = 0; i < mc_addr_count; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
        DEBUGOUT(" Adding the multicast addresses:\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
        DEBUGOUT7(" MC Addr #%d =%.2X %.2X %.2X %.2X %.2X %.2X\n", i,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
                  mc_addr_list[i * (ETH_LENGTH_OF_ADDRESS + pad)],
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
                  mc_addr_list[i * (ETH_LENGTH_OF_ADDRESS + pad) + 1],
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
                  mc_addr_list[i * (ETH_LENGTH_OF_ADDRESS + pad) + 2],
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
                  mc_addr_list[i * (ETH_LENGTH_OF_ADDRESS + pad) + 3],
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
                  mc_addr_list[i * (ETH_LENGTH_OF_ADDRESS + pad) + 4],
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
                  mc_addr_list[i * (ETH_LENGTH_OF_ADDRESS + pad) + 5]);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
        hash_value = e1000_hash_mc_addr(hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
                                        mc_addr_list +
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
                                        (i * (ETH_LENGTH_OF_ADDRESS + pad)));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
        DEBUGOUT1(" Hash value = 0x%03X\n", hash_value);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
        /* Place this multicast address in the RAR if there is room, *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
         * else put it in the MTA
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
        if (rar_used_count < num_rar_entry) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
            e1000_rar_set(hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
                          mc_addr_list + (i * (ETH_LENGTH_OF_ADDRESS + pad)),
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
                          rar_used_count);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
            rar_used_count++;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
        } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
            e1000_mta_set(hw, hash_value);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
    DEBUGOUT("MC Update Complete\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
 * Hashes an address to determine its location in the multicast table
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
 * mc_addr - the multicast address to hash
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
uint32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
e1000_hash_mc_addr(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
                   uint8_t *mc_addr)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
    uint32_t hash_value = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
    /* The portion of the address that is used for the hash table is
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
     * determined by the mc_filter_type setting.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
    switch (hw->mc_filter_type) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
    /* [0] [1] [2] [3] [4] [5]
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
     * 01  AA  00  12  34  56
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
     * LSB                 MSB
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
    case 0:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
        /* [47:36] i.e. 0x563 for above example address */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
        hash_value = ((mc_addr[4] >> 4) | (((uint16_t) mc_addr[5]) << 4));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
    case 1:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
        /* [46:35] i.e. 0xAC6 for above example address */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
        hash_value = ((mc_addr[4] >> 3) | (((uint16_t) mc_addr[5]) << 5));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
    case 2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
        /* [45:34] i.e. 0x5D8 for above example address */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
        hash_value = ((mc_addr[4] >> 2) | (((uint16_t) mc_addr[5]) << 6));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
    case 3:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
        /* [43:32] i.e. 0x634 for above example address */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
        hash_value = ((mc_addr[4]) | (((uint16_t) mc_addr[5]) << 8));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
    hash_value &= 0xFFF;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
    return hash_value;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
 * Sets the bit in the multicast table corresponding to the hash value.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
 * hash_value - Multicast address hash value
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
e1000_mta_set(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
              uint32_t hash_value)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
    uint32_t hash_bit, hash_reg;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
    uint32_t mta;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
    uint32_t temp;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
    /* The MTA is a register array of 128 32-bit registers.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
     * It is treated like an array of 4096 bits.  We want to set
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
     * bit BitArray[hash_value]. So we figure out what register
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
     * the bit is in, read it, OR in the new bit, then write
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
     * back the new value.  The register is determined by the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
     * upper 7 bits of the hash value and the bit within that
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
     * register are determined by the lower 5 bits of the value.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
    hash_reg = (hash_value >> 5) & 0x7F;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
    hash_bit = hash_value & 0x1F;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
    mta = E1000_READ_REG_ARRAY(hw, MTA, hash_reg);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
    mta |= (1 << hash_bit);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
    /* If we are on an 82544 and we are trying to write an odd offset
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
     * in the MTA, save off the previous entry before writing and
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
     * restore the old value after writing.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
    if((hw->mac_type == e1000_82544) && ((hash_reg & 0x1) == 1)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
        temp = E1000_READ_REG_ARRAY(hw, MTA, (hash_reg - 1));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
        E1000_WRITE_REG_ARRAY(hw, MTA, hash_reg, mta);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
        E1000_WRITE_REG_ARRAY(hw, MTA, (hash_reg - 1), temp);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
        E1000_WRITE_REG_ARRAY(hw, MTA, hash_reg, mta);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
 * Puts an ethernet address into a receive address register.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
 * addr - Address to put into receive address register
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
 * index - Receive address register to write
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
e1000_rar_set(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
              uint8_t *addr,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
              uint32_t index)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
    uint32_t rar_low, rar_high;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
    /* HW expects these in little endian so we reverse the byte order
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
     * from network order (big endian) to little endian
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
    rar_low = ((uint32_t) addr[0] |
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
               ((uint32_t) addr[1] << 8) |
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
               ((uint32_t) addr[2] << 16) | ((uint32_t) addr[3] << 24));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
    rar_high = ((uint32_t) addr[4] | ((uint32_t) addr[5] << 8) | E1000_RAH_AV);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
    E1000_WRITE_REG_ARRAY(hw, RA, (index << 1), rar_low);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
    E1000_WRITE_REG_ARRAY(hw, RA, ((index << 1) + 1), rar_high);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
 * Writes a value to the specified offset in the VLAN filter table.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
 * offset - Offset in VLAN filer table to write
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
 * value - Value to write into VLAN filter table
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
e1000_write_vfta(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
                 uint32_t offset,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
                 uint32_t value)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
    uint32_t temp;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
    if((hw->mac_type == e1000_82544) && ((offset & 0x1) == 1)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
        temp = E1000_READ_REG_ARRAY(hw, VFTA, (offset - 1));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
        E1000_WRITE_REG_ARRAY(hw, VFTA, offset, value);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
        E1000_WRITE_REG_ARRAY(hw, VFTA, (offset - 1), temp);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
        E1000_WRITE_REG_ARRAY(hw, VFTA, offset, value);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
 * Clears the VLAN filer table
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
e1000_clear_vfta(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
    uint32_t offset;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
    uint32_t vfta_value = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
    uint32_t vfta_offset = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
    uint32_t vfta_bit_in_reg = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
    if (hw->mac_type == e1000_82573) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
        if (hw->mng_cookie.vlan_id != 0) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
            /* The VFTA is a 4096b bit-field, each identifying a single VLAN
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
             * ID.  The following operations determine which 32b entry
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
             * (i.e. offset) into the array we want to set the VLAN ID
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
             * (i.e. bit) of the manageability unit. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
            vfta_offset = (hw->mng_cookie.vlan_id >>
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
                           E1000_VFTA_ENTRY_SHIFT) &
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
                          E1000_VFTA_ENTRY_MASK;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
            vfta_bit_in_reg = 1 << (hw->mng_cookie.vlan_id &
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
                                    E1000_VFTA_ENTRY_BIT_SHIFT_MASK);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
    for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
        /* If the offset we want to clear is the same offset of the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
         * manageability VLAN ID, then clear all bits except that of the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
         * manageability unit */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
        vfta_value = (offset == vfta_offset) ? vfta_bit_in_reg : 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
        E1000_WRITE_REG_ARRAY(hw, VFTA, offset, vfta_value);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
e1000_id_led_init(struct e1000_hw * hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
    uint32_t ledctl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
    const uint32_t ledctl_mask = 0x000000FF;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
    const uint32_t ledctl_on = E1000_LEDCTL_MODE_LED_ON;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
    const uint32_t ledctl_off = E1000_LEDCTL_MODE_LED_OFF;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
    uint16_t eeprom_data, i, temp;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
    const uint16_t led_mask = 0x0F;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
    DEBUGFUNC("e1000_id_led_init");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
    if(hw->mac_type < e1000_82540) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
        /* Nothing to do */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
        return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
    ledctl = E1000_READ_REG(hw, LEDCTL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
    hw->ledctl_default = ledctl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
    hw->ledctl_mode1 = hw->ledctl_default;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
    hw->ledctl_mode2 = hw->ledctl_default;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
    if(e1000_read_eeprom(hw, EEPROM_ID_LED_SETTINGS, 1, &eeprom_data) < 0) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
        DEBUGOUT("EEPROM Read Error\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
        return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
    if((eeprom_data== ID_LED_RESERVED_0000) ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
       (eeprom_data == ID_LED_RESERVED_FFFF)) eeprom_data = ID_LED_DEFAULT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
    for(i = 0; i < 4; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
        temp = (eeprom_data >> (i << 2)) & led_mask;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
        switch(temp) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
        case ID_LED_ON1_DEF2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
        case ID_LED_ON1_ON2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
        case ID_LED_ON1_OFF2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
            hw->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
            hw->ledctl_mode1 |= ledctl_on << (i << 3);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
        case ID_LED_OFF1_DEF2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
        case ID_LED_OFF1_ON2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
        case ID_LED_OFF1_OFF2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
            hw->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
            hw->ledctl_mode1 |= ledctl_off << (i << 3);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
        default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
            /* Do nothing */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
        switch(temp) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
        case ID_LED_DEF1_ON2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
        case ID_LED_ON1_ON2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
        case ID_LED_OFF1_ON2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
            hw->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
            hw->ledctl_mode2 |= ledctl_on << (i << 3);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
        case ID_LED_DEF1_OFF2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
        case ID_LED_ON1_OFF2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
        case ID_LED_OFF1_OFF2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
            hw->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
            hw->ledctl_mode2 |= ledctl_off << (i << 3);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
        default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
            /* Do nothing */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
 * Prepares SW controlable LED for use and saves the current state of the LED.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
e1000_setup_led(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
    uint32_t ledctl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
    int32_t ret_val = E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
    DEBUGFUNC("e1000_setup_led");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
    switch(hw->mac_type) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
    case e1000_82542_rev2_0:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
    case e1000_82542_rev2_1:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
    case e1000_82543:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
    case e1000_82544:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
        /* No setup necessary */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
    case e1000_82541:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
    case e1000_82547:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
    case e1000_82541_rev_2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
    case e1000_82547_rev_2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
        /* Turn off PHY Smart Power Down (if enabled) */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
        ret_val = e1000_read_phy_reg(hw, IGP01E1000_GMII_FIFO,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
                                     &hw->phy_spd_default);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
        ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
                                      (uint16_t)(hw->phy_spd_default &
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
                                      ~IGP01E1000_GMII_SPD));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
        /* Fall Through */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
        if(hw->media_type == e1000_media_type_fiber) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
            ledctl = E1000_READ_REG(hw, LEDCTL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
            /* Save current LEDCTL settings */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
            hw->ledctl_default = ledctl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
            /* Turn off LED0 */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
            ledctl &= ~(E1000_LEDCTL_LED0_IVRT |
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
                        E1000_LEDCTL_LED0_BLINK |
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
                        E1000_LEDCTL_LED0_MODE_MASK);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
            ledctl |= (E1000_LEDCTL_MODE_LED_OFF <<
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
                       E1000_LEDCTL_LED0_MODE_SHIFT);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
            E1000_WRITE_REG(hw, LEDCTL, ledctl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
        } else if(hw->media_type == e1000_media_type_copper)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
            E1000_WRITE_REG(hw, LEDCTL, hw->ledctl_mode1);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
 * Restores the saved state of the SW controlable LED.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
e1000_cleanup_led(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
    int32_t ret_val = E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
    DEBUGFUNC("e1000_cleanup_led");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
    switch(hw->mac_type) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
    case e1000_82542_rev2_0:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
    case e1000_82542_rev2_1:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
    case e1000_82543:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
    case e1000_82544:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
        /* No cleanup necessary */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
    case e1000_82541:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
    case e1000_82547:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
    case e1000_82541_rev_2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
    case e1000_82547_rev_2:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
        /* Turn on PHY Smart Power Down (if previously enabled) */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
        ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
                                      hw->phy_spd_default);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
        /* Fall Through */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
        /* Restore LEDCTL settings */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
        E1000_WRITE_REG(hw, LEDCTL, hw->ledctl_default);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
 * Turns on the software controllable LED
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
e1000_led_on(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
    uint32_t ctrl = E1000_READ_REG(hw, CTRL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
    DEBUGFUNC("e1000_led_on");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
    switch(hw->mac_type) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
    case e1000_82542_rev2_0:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
    case e1000_82542_rev2_1:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
    case e1000_82543:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
        /* Set SW Defineable Pin 0 to turn on the LED */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
        ctrl |= E1000_CTRL_SWDPIN0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
        ctrl |= E1000_CTRL_SWDPIO0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
    case e1000_82544:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
        if(hw->media_type == e1000_media_type_fiber) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
            /* Set SW Defineable Pin 0 to turn on the LED */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
            ctrl |= E1000_CTRL_SWDPIN0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
            ctrl |= E1000_CTRL_SWDPIO0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
        } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
            /* Clear SW Defineable Pin 0 to turn on the LED */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
            ctrl &= ~E1000_CTRL_SWDPIN0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
            ctrl |= E1000_CTRL_SWDPIO0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
        if(hw->media_type == e1000_media_type_fiber) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
            /* Clear SW Defineable Pin 0 to turn on the LED */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
            ctrl &= ~E1000_CTRL_SWDPIN0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
            ctrl |= E1000_CTRL_SWDPIO0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
        } else if(hw->media_type == e1000_media_type_copper) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
            E1000_WRITE_REG(hw, LEDCTL, hw->ledctl_mode2);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
            return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
    E1000_WRITE_REG(hw, CTRL, ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
 * Turns off the software controllable LED
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
e1000_led_off(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
    uint32_t ctrl = E1000_READ_REG(hw, CTRL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
    DEBUGFUNC("e1000_led_off");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
    switch(hw->mac_type) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
    case e1000_82542_rev2_0:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
    case e1000_82542_rev2_1:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
    case e1000_82543:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
        /* Clear SW Defineable Pin 0 to turn off the LED */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
        ctrl &= ~E1000_CTRL_SWDPIN0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
        ctrl |= E1000_CTRL_SWDPIO0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
    case e1000_82544:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
        if(hw->media_type == e1000_media_type_fiber) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
            /* Clear SW Defineable Pin 0 to turn off the LED */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
            ctrl &= ~E1000_CTRL_SWDPIN0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
            ctrl |= E1000_CTRL_SWDPIO0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
        } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
            /* Set SW Defineable Pin 0 to turn off the LED */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
            ctrl |= E1000_CTRL_SWDPIN0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
            ctrl |= E1000_CTRL_SWDPIO0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
        if(hw->media_type == e1000_media_type_fiber) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
            /* Set SW Defineable Pin 0 to turn off the LED */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
            ctrl |= E1000_CTRL_SWDPIN0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
            ctrl |= E1000_CTRL_SWDPIO0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
        } else if(hw->media_type == e1000_media_type_copper) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
            E1000_WRITE_REG(hw, LEDCTL, hw->ledctl_mode1);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
            return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
    E1000_WRITE_REG(hw, CTRL, ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
 * Clears all hardware statistics counters.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
e1000_clear_hw_cntrs(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
    volatile uint32_t temp;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
    temp = E1000_READ_REG(hw, CRCERRS);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
    temp = E1000_READ_REG(hw, SYMERRS);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
    temp = E1000_READ_REG(hw, MPC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
    temp = E1000_READ_REG(hw, SCC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
    temp = E1000_READ_REG(hw, ECOL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
    temp = E1000_READ_REG(hw, MCC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
    temp = E1000_READ_REG(hw, LATECOL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
    temp = E1000_READ_REG(hw, COLC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
    temp = E1000_READ_REG(hw, DC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
    temp = E1000_READ_REG(hw, SEC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
    temp = E1000_READ_REG(hw, RLEC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
    temp = E1000_READ_REG(hw, XONRXC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
    temp = E1000_READ_REG(hw, XONTXC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
    temp = E1000_READ_REG(hw, XOFFRXC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
    temp = E1000_READ_REG(hw, XOFFTXC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
    temp = E1000_READ_REG(hw, FCRUC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
    temp = E1000_READ_REG(hw, PRC64);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
    temp = E1000_READ_REG(hw, PRC127);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
    temp = E1000_READ_REG(hw, PRC255);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
    temp = E1000_READ_REG(hw, PRC511);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
    temp = E1000_READ_REG(hw, PRC1023);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
    temp = E1000_READ_REG(hw, PRC1522);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
    temp = E1000_READ_REG(hw, GPRC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
    temp = E1000_READ_REG(hw, BPRC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
    temp = E1000_READ_REG(hw, MPRC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
    temp = E1000_READ_REG(hw, GPTC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
    temp = E1000_READ_REG(hw, GORCL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
    temp = E1000_READ_REG(hw, GORCH);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
    temp = E1000_READ_REG(hw, GOTCL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
    temp = E1000_READ_REG(hw, GOTCH);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
    temp = E1000_READ_REG(hw, RNBC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
    temp = E1000_READ_REG(hw, RUC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
    temp = E1000_READ_REG(hw, RFC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
    temp = E1000_READ_REG(hw, ROC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
    temp = E1000_READ_REG(hw, RJC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
    temp = E1000_READ_REG(hw, TORL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
    temp = E1000_READ_REG(hw, TORH);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
    temp = E1000_READ_REG(hw, TOTL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
    temp = E1000_READ_REG(hw, TOTH);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
    temp = E1000_READ_REG(hw, TPR);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
    temp = E1000_READ_REG(hw, TPT);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
    temp = E1000_READ_REG(hw, PTC64);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
    temp = E1000_READ_REG(hw, PTC127);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
    temp = E1000_READ_REG(hw, PTC255);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
    temp = E1000_READ_REG(hw, PTC511);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
    temp = E1000_READ_REG(hw, PTC1023);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
    temp = E1000_READ_REG(hw, PTC1522);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
    temp = E1000_READ_REG(hw, MPTC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
    temp = E1000_READ_REG(hw, BPTC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
    if(hw->mac_type < e1000_82543) return;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
    temp = E1000_READ_REG(hw, ALGNERRC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
    temp = E1000_READ_REG(hw, RXERRC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
    temp = E1000_READ_REG(hw, TNCRS);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
    temp = E1000_READ_REG(hw, CEXTERR);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
    temp = E1000_READ_REG(hw, TSCTC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
    temp = E1000_READ_REG(hw, TSCTFC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
    if(hw->mac_type <= e1000_82544) return;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
    temp = E1000_READ_REG(hw, MGTPRC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
    temp = E1000_READ_REG(hw, MGTPDC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
    temp = E1000_READ_REG(hw, MGTPTC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
    if(hw->mac_type <= e1000_82547_rev_2) return;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
    temp = E1000_READ_REG(hw, IAC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
    temp = E1000_READ_REG(hw, ICRXOC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
    temp = E1000_READ_REG(hw, ICRXPTC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
    temp = E1000_READ_REG(hw, ICRXATC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
    temp = E1000_READ_REG(hw, ICTXPTC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
    temp = E1000_READ_REG(hw, ICTXATC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
    temp = E1000_READ_REG(hw, ICTXQEC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
    temp = E1000_READ_REG(hw, ICTXQMTC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
    temp = E1000_READ_REG(hw, ICRXDMTC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
 * Resets Adaptive IFS to its default state.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
 * Call this after e1000_init_hw. You may override the IFS defaults by setting
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
 * hw->ifs_params_forced to TRUE. However, you must initialize hw->
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
 * current_ifs_val, ifs_min_val, ifs_max_val, ifs_step_size, and ifs_ratio
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
 * before calling this function.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
e1000_reset_adaptive(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
    DEBUGFUNC("e1000_reset_adaptive");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
    if(hw->adaptive_ifs) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
        if(!hw->ifs_params_forced) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
            hw->current_ifs_val = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
            hw->ifs_min_val = IFS_MIN;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
            hw->ifs_max_val = IFS_MAX;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
            hw->ifs_step_size = IFS_STEP;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
            hw->ifs_ratio = IFS_RATIO;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
        hw->in_ifs_mode = FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
        E1000_WRITE_REG(hw, AIT, 0);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
        DEBUGOUT("Not in Adaptive IFS mode!\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
 * Called during the callback/watchdog routine to update IFS value based on
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
 * the ratio of transmits to collisions.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
 * tx_packets - Number of transmits since last callback
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
 * total_collisions - Number of collisions since last callback
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
e1000_update_adaptive(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
    DEBUGFUNC("e1000_update_adaptive");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
    if(hw->adaptive_ifs) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
        if((hw->collision_delta * hw->ifs_ratio) > hw->tx_packet_delta) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
            if(hw->tx_packet_delta > MIN_NUM_XMITS) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
                hw->in_ifs_mode = TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
                if(hw->current_ifs_val < hw->ifs_max_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
                    if(hw->current_ifs_val == 0)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
                        hw->current_ifs_val = hw->ifs_min_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
                    else
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
                        hw->current_ifs_val += hw->ifs_step_size;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
                    E1000_WRITE_REG(hw, AIT, hw->current_ifs_val);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
                }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
        } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
            if(hw->in_ifs_mode && (hw->tx_packet_delta <= MIN_NUM_XMITS)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
                hw->current_ifs_val = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
                hw->in_ifs_mode = FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
                E1000_WRITE_REG(hw, AIT, 0);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
        DEBUGOUT("Not in Adaptive IFS mode!\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
 * Adjusts the statistic counters when a frame is accepted by TBI_ACCEPT
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
 * frame_len - The length of the frame in question
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
 * mac_addr - The Ethernet destination address of the frame in question
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
e1000_tbi_adjust_stats(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
                       struct e1000_hw_stats *stats,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
                       uint32_t frame_len,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
                       uint8_t *mac_addr)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
    uint64_t carry_bit;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
    /* First adjust the frame length. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
    frame_len--;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
    /* We need to adjust the statistics counters, since the hardware
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
     * counters overcount this packet as a CRC error and undercount
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
     * the packet as a good packet
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
    /* This packet should not be counted as a CRC error.    */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
    stats->crcerrs--;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
    /* This packet does count as a Good Packet Received.    */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
    stats->gprc++;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
    /* Adjust the Good Octets received counters             */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
    carry_bit = 0x80000000 & stats->gorcl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
    stats->gorcl += frame_len;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
    /* If the high bit of Gorcl (the low 32 bits of the Good Octets
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
     * Received Count) was one before the addition,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
     * AND it is zero after, then we lost the carry out,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
     * need to add one to Gorch (Good Octets Received Count High).
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
     * This could be simplified if all environments supported
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
     * 64-bit integers.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
    if(carry_bit && ((stats->gorcl & 0x80000000) == 0))
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
        stats->gorch++;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
    /* Is this a broadcast or multicast?  Check broadcast first,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
     * since the test for a multicast frame will test positive on
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
     * a broadcast frame.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
    if((mac_addr[0] == (uint8_t) 0xff) && (mac_addr[1] == (uint8_t) 0xff))
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
        /* Broadcast packet */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
        stats->bprc++;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
    else if(*mac_addr & 0x01)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
        /* Multicast packet */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
        stats->mprc++;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
    if(frame_len == hw->max_frame_size) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
        /* In this case, the hardware has overcounted the number of
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
         * oversize frames.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
        if(stats->roc > 0)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
            stats->roc--;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
    /* Adjust the bin counters when the extra byte put the frame in the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
     * wrong bin. Remember that the frame_len was adjusted above.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
    if(frame_len == 64) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
        stats->prc64++;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
        stats->prc127--;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
    } else if(frame_len == 127) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
        stats->prc127++;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
        stats->prc255--;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
    } else if(frame_len == 255) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
        stats->prc255++;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
        stats->prc511--;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
    } else if(frame_len == 511) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
        stats->prc511++;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
        stats->prc1023--;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
    } else if(frame_len == 1023) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
        stats->prc1023++;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
        stats->prc1522--;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
    } else if(frame_len == 1522) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
        stats->prc1522++;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
 * Gets the current PCI bus type, speed, and width of the hardware
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
e1000_get_bus_info(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
    uint32_t status;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
    switch (hw->mac_type) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
    case e1000_82542_rev2_0:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
    case e1000_82542_rev2_1:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
        hw->bus_type = e1000_bus_type_unknown;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
        hw->bus_speed = e1000_bus_speed_unknown;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
        hw->bus_width = e1000_bus_width_unknown;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
    case e1000_82573:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
        hw->bus_type = e1000_bus_type_pci_express;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
        hw->bus_speed = e1000_bus_speed_2500;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
        hw->bus_width = e1000_bus_width_pciex_4;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
        status = E1000_READ_REG(hw, STATUS);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
        hw->bus_type = (status & E1000_STATUS_PCIX_MODE) ?
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
                       e1000_bus_type_pcix : e1000_bus_type_pci;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
        if(hw->device_id == E1000_DEV_ID_82546EB_QUAD_COPPER) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
            hw->bus_speed = (hw->bus_type == e1000_bus_type_pci) ?
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
                            e1000_bus_speed_66 : e1000_bus_speed_120;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
        } else if(hw->bus_type == e1000_bus_type_pci) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
            hw->bus_speed = (status & E1000_STATUS_PCI66) ?
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
                            e1000_bus_speed_66 : e1000_bus_speed_33;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
        } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
            switch (status & E1000_STATUS_PCIX_SPEED) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
            case E1000_STATUS_PCIX_SPEED_66:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
                hw->bus_speed = e1000_bus_speed_66;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
                break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
            case E1000_STATUS_PCIX_SPEED_100:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
                hw->bus_speed = e1000_bus_speed_100;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
                break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
            case E1000_STATUS_PCIX_SPEED_133:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
                hw->bus_speed = e1000_bus_speed_133;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
                break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
            default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
                hw->bus_speed = e1000_bus_speed_reserved;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
                break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
        hw->bus_width = (status & E1000_STATUS_BUS64) ?
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
                        e1000_bus_width_64 : e1000_bus_width_32;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
 * Reads a value from one of the devices registers using port I/O (as opposed
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
 * memory mapped I/O). Only 82544 and newer devices support port I/O.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
 * offset - offset to read from
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
uint32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
e1000_read_reg_io(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
                  uint32_t offset)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
    unsigned long io_addr = hw->io_base;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
    unsigned long io_data = hw->io_base + 4;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
    e1000_io_write(hw, io_addr, offset);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
    return e1000_io_read(hw, io_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
 * Writes a value to one of the devices registers using port I/O (as opposed to
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
 * memory mapped I/O). Only 82544 and newer devices support port I/O.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
 * offset - offset to write to
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
 * value - value to write
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
e1000_write_reg_io(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
                   uint32_t offset,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
                   uint32_t value)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
    unsigned long io_addr = hw->io_base;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
    unsigned long io_data = hw->io_base + 4;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
    e1000_io_write(hw, io_addr, offset);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
    e1000_io_write(hw, io_data, value);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
 * Estimates the cable length.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
 * min_length - The estimated minimum length
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
 * max_length - The estimated maximum length
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
 * returns: - E1000_ERR_XXX
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
 *            E1000_SUCCESS
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
 * This function always returns a ranged length (minimum & maximum).
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
 * So for M88 phy's, this function interprets the one value returned from the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
 * register to the minimum and maximum range.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
 * For IGP phy's, the function calculates the range by the AGC registers.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
e1000_get_cable_length(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
                       uint16_t *min_length,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
                       uint16_t *max_length)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
    uint16_t agc_value = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
    uint16_t cur_agc, min_agc = IGP01E1000_AGC_LENGTH_TABLE_SIZE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
    uint16_t i, phy_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
    uint16_t cable_length;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
    DEBUGFUNC("e1000_get_cable_length");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
    *min_length = *max_length = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
    /* Use old method for Phy older than IGP */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
    if(hw->phy_type == e1000_phy_m88) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
        ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
                                     &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
        cable_length = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
                       M88E1000_PSSR_CABLE_LENGTH_SHIFT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
        /* Convert the enum value to ranged values */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
        switch (cable_length) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
        case e1000_cable_length_50:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
            *min_length = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
            *max_length = e1000_igp_cable_length_50;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
        case e1000_cable_length_50_80:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
            *min_length = e1000_igp_cable_length_50;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
            *max_length = e1000_igp_cable_length_80;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
        case e1000_cable_length_80_110:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
            *min_length = e1000_igp_cable_length_80;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
            *max_length = e1000_igp_cable_length_110;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
        case e1000_cable_length_110_140:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
            *min_length = e1000_igp_cable_length_110;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
            *max_length = e1000_igp_cable_length_140;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
        case e1000_cable_length_140:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
            *min_length = e1000_igp_cable_length_140;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
            *max_length = e1000_igp_cable_length_170;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
        default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
            return -E1000_ERR_PHY;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
    } else if(hw->phy_type == e1000_phy_igp) { /* For IGP PHY */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
        uint16_t agc_reg_array[IGP01E1000_PHY_CHANNEL_NUM] =
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
                                                         {IGP01E1000_PHY_AGC_A,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
                                                          IGP01E1000_PHY_AGC_B,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
                                                          IGP01E1000_PHY_AGC_C,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
                                                          IGP01E1000_PHY_AGC_D};
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
        /* Read the AGC registers for all channels */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
        for(i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
            ret_val = e1000_read_phy_reg(hw, agc_reg_array[i], &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
            cur_agc = phy_data >> IGP01E1000_AGC_LENGTH_SHIFT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
            /* Array bound check. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
            if((cur_agc >= IGP01E1000_AGC_LENGTH_TABLE_SIZE - 1) ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
               (cur_agc == 0))
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
                return -E1000_ERR_PHY;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
            agc_value += cur_agc;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
            /* Update minimal AGC value. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
            if(min_agc > cur_agc)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
                min_agc = cur_agc;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
        /* Remove the minimal AGC result for length < 50m */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
        if(agc_value < IGP01E1000_PHY_CHANNEL_NUM * e1000_igp_cable_length_50) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
            agc_value -= min_agc;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
            /* Get the average length of the remaining 3 channels */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
            agc_value /= (IGP01E1000_PHY_CHANNEL_NUM - 1);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
        } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
            /* Get the average length of all the 4 channels. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
            agc_value /= IGP01E1000_PHY_CHANNEL_NUM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
        /* Set the range of the calculated length. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
        *min_length = ((e1000_igp_cable_length_table[agc_value] -
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
                       IGP01E1000_AGC_RANGE) > 0) ?
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
                       (e1000_igp_cable_length_table[agc_value] -
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
                       IGP01E1000_AGC_RANGE) : 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
        *max_length = e1000_igp_cable_length_table[agc_value] +
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
                      IGP01E1000_AGC_RANGE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
 * Check the cable polarity
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
 * polarity - output parameter : 0 - Polarity is not reversed
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
 *                               1 - Polarity is reversed.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
 * returns: - E1000_ERR_XXX
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
 *            E1000_SUCCESS
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
 * For phy's older then IGP, this function simply reads the polarity bit in the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
 * Phy Status register.  For IGP phy's, this bit is valid only if link speed is
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
 * 10 Mbps.  If the link speed is 100 Mbps there is no polarity so this bit will
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
 * return 0.  If the link speed is 1000 Mbps the polarity status is in the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
 * IGP01E1000_PHY_PCS_INIT_REG.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
e1000_check_polarity(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
                     uint16_t *polarity)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
    uint16_t phy_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
    DEBUGFUNC("e1000_check_polarity");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
    if(hw->phy_type == e1000_phy_m88) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
        /* return the Polarity bit in the Status register. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
        ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
                                     &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
        *polarity = (phy_data & M88E1000_PSSR_REV_POLARITY) >>
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
                    M88E1000_PSSR_REV_POLARITY_SHIFT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
    } else if(hw->phy_type == e1000_phy_igp ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
              hw->phy_type == e1000_phy_igp_2) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
        /* Read the Status register to check the speed */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
        ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
                                     &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
        /* If speed is 1000 Mbps, must read the IGP01E1000_PHY_PCS_INIT_REG to
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5388
         * find the polarity status */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5389
        if((phy_data & IGP01E1000_PSSR_SPEED_MASK) ==
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5390
           IGP01E1000_PSSR_SPEED_1000MBPS) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5391
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5392
            /* Read the GIG initialization PCS register (0x00B4) */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5393
            ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5394
                                         &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5395
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5396
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5397
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5398
            /* Check the polarity bits */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5399
            *polarity = (phy_data & IGP01E1000_PHY_POLARITY_MASK) ? 1 : 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5400
        } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5401
            /* For 10 Mbps, read the polarity bit in the status register. (for
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5402
             * 100 Mbps this bit is always 0) */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5403
            *polarity = phy_data & IGP01E1000_PSSR_POLARITY_REVERSED;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5404
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5405
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5406
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5407
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5408
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5409
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5410
 * Check if Downshift occured
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5411
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5412
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5413
 * downshift - output parameter : 0 - No Downshift ocured.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5414
 *                                1 - Downshift ocured.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5415
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5416
 * returns: - E1000_ERR_XXX
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5417
 *            E1000_SUCCESS 
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5418
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5419
 * For phy's older then IGP, this function reads the Downshift bit in the Phy
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5420
 * Specific Status register.  For IGP phy's, it reads the Downgrade bit in the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5421
 * Link Health register.  In IGP this bit is latched high, so the driver must
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5422
 * read it immediately after link is established.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5423
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5424
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5425
e1000_check_downshift(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5426
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5427
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5428
    uint16_t phy_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5429
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5430
    DEBUGFUNC("e1000_check_downshift");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5431
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5432
    if(hw->phy_type == e1000_phy_igp || 
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5433
        hw->phy_type == e1000_phy_igp_2) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5434
        ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_LINK_HEALTH,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5435
                                     &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5436
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5437
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5438
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5439
        hw->speed_downgraded = (phy_data & IGP01E1000_PLHR_SS_DOWNGRADE) ? 1 : 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5440
    } else if(hw->phy_type == e1000_phy_m88) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5441
        ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5442
                                     &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5443
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5444
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5445
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5446
        hw->speed_downgraded = (phy_data & M88E1000_PSSR_DOWNSHIFT) >>
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5447
                               M88E1000_PSSR_DOWNSHIFT_SHIFT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5448
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5449
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5450
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5451
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5452
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5453
/*****************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5454
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5455
 * 82541_rev_2 & 82547_rev_2 have the capability to configure the DSP when a
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5456
 * gigabit link is achieved to improve link quality.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5457
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5458
 * hw: Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5459
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5460
 * returns: - E1000_ERR_PHY if fail to read/write the PHY
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5461
 *            E1000_SUCCESS at any other case.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5462
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5463
 ****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5464
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5465
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5466
e1000_config_dsp_after_link_change(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5467
                                   boolean_t link_up)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5468
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5469
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5470
    uint16_t phy_data, phy_saved_data, speed, duplex, i;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5471
    uint16_t dsp_reg_array[IGP01E1000_PHY_CHANNEL_NUM] =
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5472
                                        {IGP01E1000_PHY_AGC_PARAM_A,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5473
                                        IGP01E1000_PHY_AGC_PARAM_B,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5474
                                        IGP01E1000_PHY_AGC_PARAM_C,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5475
                                        IGP01E1000_PHY_AGC_PARAM_D};
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5476
    uint16_t min_length, max_length;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5477
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5478
    DEBUGFUNC("e1000_config_dsp_after_link_change");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5479
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5480
    if(hw->phy_type != e1000_phy_igp)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5481
        return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5482
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5483
    if(link_up) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5484
        ret_val = e1000_get_speed_and_duplex(hw, &speed, &duplex);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5485
        if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5486
            DEBUGOUT("Error getting link speed and duplex\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5487
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5488
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5489
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5490
        if(speed == SPEED_1000) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5491
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5492
            e1000_get_cable_length(hw, &min_length, &max_length);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5493
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5494
            if((hw->dsp_config_state == e1000_dsp_config_enabled) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5495
                min_length >= e1000_igp_cable_length_50) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5496
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5497
                for(i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5498
                    ret_val = e1000_read_phy_reg(hw, dsp_reg_array[i],
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5499
                                                 &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5500
                    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5501
                        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5502
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5503
                    phy_data &= ~IGP01E1000_PHY_EDAC_MU_INDEX;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5504
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5505
                    ret_val = e1000_write_phy_reg(hw, dsp_reg_array[i],
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5506
                                                  phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5507
                    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5508
                        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5509
                }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5510
                hw->dsp_config_state = e1000_dsp_config_activated;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5511
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5512
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5513
            if((hw->ffe_config_state == e1000_ffe_config_enabled) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5514
               (min_length < e1000_igp_cable_length_50)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5515
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5516
                uint16_t ffe_idle_err_timeout = FFE_IDLE_ERR_COUNT_TIMEOUT_20;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5517
                uint32_t idle_errs = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5518
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5519
                /* clear previous idle error counts */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5520
                ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5521
                                             &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5522
                if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5523
                    return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5524
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5525
                for(i = 0; i < ffe_idle_err_timeout; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5526
                    udelay(1000);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5527
                    ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5528
                                                 &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5529
                    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5530
                        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5531
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5532
                    idle_errs += (phy_data & SR_1000T_IDLE_ERROR_CNT);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5533
                    if(idle_errs > SR_1000T_PHY_EXCESSIVE_IDLE_ERR_COUNT) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5534
                        hw->ffe_config_state = e1000_ffe_config_active;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5535
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5536
                        ret_val = e1000_write_phy_reg(hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5537
                                    IGP01E1000_PHY_DSP_FFE,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5538
                                    IGP01E1000_PHY_DSP_FFE_CM_CP);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5539
                        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5540
                            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5541
                        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5542
                    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5543
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5544
                    if(idle_errs)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5545
                        ffe_idle_err_timeout = FFE_IDLE_ERR_COUNT_TIMEOUT_100;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5546
                }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5547
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5548
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5549
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5550
        if(hw->dsp_config_state == e1000_dsp_config_activated) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5551
            /* Save off the current value of register 0x2F5B to be restored at
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5552
             * the end of the routines. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5553
            ret_val = e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5554
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5555
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5556
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5557
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5558
            /* Disable the PHY transmitter */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5559
            ret_val = e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5560
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5561
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5562
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5563
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5564
            msec_delay_irq(20);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5565
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5566
            ret_val = e1000_write_phy_reg(hw, 0x0000,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5567
                                          IGP01E1000_IEEE_FORCE_GIGA);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5568
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5569
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5570
            for(i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5571
                ret_val = e1000_read_phy_reg(hw, dsp_reg_array[i], &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5572
                if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5573
                    return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5574
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5575
                phy_data &= ~IGP01E1000_PHY_EDAC_MU_INDEX;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5576
                phy_data |=  IGP01E1000_PHY_EDAC_SIGN_EXT_9_BITS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5577
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5578
                ret_val = e1000_write_phy_reg(hw,dsp_reg_array[i], phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5579
                if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5580
                    return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5581
            }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5582
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5583
            ret_val = e1000_write_phy_reg(hw, 0x0000,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5584
                                          IGP01E1000_IEEE_RESTART_AUTONEG);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5585
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5586
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5587
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5588
            msec_delay_irq(20);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5589
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5590
            /* Now enable the transmitter */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5591
            ret_val = e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5592
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5593
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5594
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5595
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5596
            hw->dsp_config_state = e1000_dsp_config_enabled;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5597
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5598
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5599
        if(hw->ffe_config_state == e1000_ffe_config_active) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5600
            /* Save off the current value of register 0x2F5B to be restored at
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5601
             * the end of the routines. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5602
            ret_val = e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5603
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5604
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5605
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5606
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5607
            /* Disable the PHY transmitter */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5608
            ret_val = e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5609
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5610
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5611
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5612
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5613
            msec_delay_irq(20);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5614
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5615
            ret_val = e1000_write_phy_reg(hw, 0x0000,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5616
                                          IGP01E1000_IEEE_FORCE_GIGA);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5617
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5618
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5619
            ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_DSP_FFE,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5620
                                          IGP01E1000_PHY_DSP_FFE_DEFAULT);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5621
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5622
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5623
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5624
            ret_val = e1000_write_phy_reg(hw, 0x0000,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5625
                                          IGP01E1000_IEEE_RESTART_AUTONEG);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5626
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5627
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5628
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5629
            msec_delay_irq(20);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5630
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5631
            /* Now enable the transmitter */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5632
            ret_val = e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5633
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5634
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5635
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5636
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5637
            hw->ffe_config_state = e1000_ffe_config_enabled;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5638
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5639
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5640
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5641
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5642
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5643
/*****************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5644
 * Set PHY to class A mode
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5645
 * Assumes the following operations will follow to enable the new class mode.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5646
 *  1. Do a PHY soft reset
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5647
 *  2. Restart auto-negotiation or force link.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5648
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5649
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5650
 ****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5651
static int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5652
e1000_set_phy_mode(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5653
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5654
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5655
    uint16_t eeprom_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5656
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5657
    DEBUGFUNC("e1000_set_phy_mode");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5658
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5659
    if((hw->mac_type == e1000_82545_rev_3) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5660
       (hw->media_type == e1000_media_type_copper)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5661
        ret_val = e1000_read_eeprom(hw, EEPROM_PHY_CLASS_WORD, 1, &eeprom_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5662
        if(ret_val) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5663
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5664
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5665
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5666
        if((eeprom_data != EEPROM_RESERVED_WORD) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5667
           (eeprom_data & EEPROM_PHY_CLASS_A)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5668
            ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x000B);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5669
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5670
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5671
            ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0x8104);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5672
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5673
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5674
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5675
            hw->phy_reset_disable = FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5676
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5677
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5678
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5679
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5680
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5681
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5682
/*****************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5683
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5684
 * This function sets the lplu state according to the active flag.  When
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5685
 * activating lplu this function also disables smart speed and vise versa.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5686
 * lplu will not be activated unless the device autonegotiation advertisment
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5687
 * meets standards of either 10 or 10/100 or 10/100/1000 at all duplexes.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5688
 * hw: Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5689
 * active - true to enable lplu false to disable lplu.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5690
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5691
 * returns: - E1000_ERR_PHY if fail to read/write the PHY
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5692
 *            E1000_SUCCESS at any other case.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5693
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5694
 ****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5695
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5696
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5697
e1000_set_d3_lplu_state(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5698
                        boolean_t active)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5699
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5700
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5701
    uint16_t phy_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5702
    DEBUGFUNC("e1000_set_d3_lplu_state");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5703
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5704
    if(hw->phy_type != e1000_phy_igp && hw->phy_type != e1000_phy_igp_2)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5705
        return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5706
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5707
    /* During driver activity LPLU should not be used or it will attain link
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5708
     * from the lowest speeds starting from 10Mbps. The capability is used for
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5709
     * Dx transitions and states */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5710
    if(hw->mac_type == e1000_82541_rev_2 || hw->mac_type == e1000_82547_rev_2) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5711
        ret_val = e1000_read_phy_reg(hw, IGP01E1000_GMII_FIFO, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5712
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5713
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5714
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5715
        ret_val = e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5716
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5717
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5718
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5719
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5720
    if(!active) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5721
        if(hw->mac_type == e1000_82541_rev_2 ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5722
           hw->mac_type == e1000_82547_rev_2) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5723
            phy_data &= ~IGP01E1000_GMII_FLEX_SPD;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5724
            ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO, phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5725
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5726
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5727
        } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5728
                phy_data &= ~IGP02E1000_PM_D3_LPLU;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5729
                ret_val = e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5730
                                              phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5731
                if (ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5732
                    return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5733
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5734
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5735
        /* LPLU and SmartSpeed are mutually exclusive.  LPLU is used during
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5736
         * Dx states where the power conservation is most important.  During
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5737
         * driver activity we should enable SmartSpeed, so performance is
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5738
         * maintained. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5739
        if (hw->smart_speed == e1000_smart_speed_on) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5740
            ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5741
                                         &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5742
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5743
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5744
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5745
            phy_data |= IGP01E1000_PSCFR_SMART_SPEED;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5746
            ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5747
                                          phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5748
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5749
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5750
        } else if (hw->smart_speed == e1000_smart_speed_off) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5751
            ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5752
                                         &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5753
	    if (ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5754
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5755
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5756
            phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5757
            ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5758
                                          phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5759
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5760
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5761
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5762
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5763
    } else if((hw->autoneg_advertised == AUTONEG_ADVERTISE_SPEED_DEFAULT) ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5764
              (hw->autoneg_advertised == AUTONEG_ADVERTISE_10_ALL ) ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5765
              (hw->autoneg_advertised == AUTONEG_ADVERTISE_10_100_ALL)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5766
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5767
        if(hw->mac_type == e1000_82541_rev_2 ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5768
           hw->mac_type == e1000_82547_rev_2) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5769
            phy_data |= IGP01E1000_GMII_FLEX_SPD;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5770
            ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO, phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5771
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5772
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5773
        } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5774
                phy_data |= IGP02E1000_PM_D3_LPLU;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5775
                ret_val = e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5776
                                              phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5777
                if (ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5778
                    return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5779
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5780
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5781
        /* When LPLU is enabled we should disable SmartSpeed */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5782
        ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5783
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5784
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5785
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5786
        phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5787
        ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG, phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5788
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5789
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5790
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5791
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5792
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5793
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5794
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5795
/*****************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5796
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5797
 * This function sets the lplu d0 state according to the active flag.  When
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5798
 * activating lplu this function also disables smart speed and vise versa.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5799
 * lplu will not be activated unless the device autonegotiation advertisment
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5800
 * meets standards of either 10 or 10/100 or 10/100/1000 at all duplexes.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5801
 * hw: Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5802
 * active - true to enable lplu false to disable lplu.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5803
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5804
 * returns: - E1000_ERR_PHY if fail to read/write the PHY
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5805
 *            E1000_SUCCESS at any other case.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5806
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5807
 ****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5808
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5809
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5810
e1000_set_d0_lplu_state(struct e1000_hw *hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5811
                        boolean_t active)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5812
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5813
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5814
    uint16_t phy_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5815
    DEBUGFUNC("e1000_set_d0_lplu_state");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5816
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5817
    if(hw->mac_type <= e1000_82547_rev_2)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5818
        return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5819
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5820
        ret_val = e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5821
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5822
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5823
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5824
    if (!active) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5825
            phy_data &= ~IGP02E1000_PM_D0_LPLU;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5826
            ret_val = e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5827
            if (ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5828
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5829
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5830
        /* LPLU and SmartSpeed are mutually exclusive.  LPLU is used during
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5831
         * Dx states where the power conservation is most important.  During
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5832
         * driver activity we should enable SmartSpeed, so performance is
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5833
         * maintained. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5834
        if (hw->smart_speed == e1000_smart_speed_on) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5835
            ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5836
                                         &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5837
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5838
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5839
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5840
            phy_data |= IGP01E1000_PSCFR_SMART_SPEED;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5841
            ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5842
                                          phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5843
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5844
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5845
        } else if (hw->smart_speed == e1000_smart_speed_off) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5846
            ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5847
                                         &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5848
	    if (ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5849
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5850
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5851
            phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5852
            ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5853
                                          phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5854
            if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5855
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5856
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5857
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5858
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5859
    } else {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5860
 
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5861
            phy_data |= IGP02E1000_PM_D0_LPLU;   
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5862
            ret_val = e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5863
            if (ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5864
                return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5865
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5866
        /* When LPLU is enabled we should disable SmartSpeed */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5867
        ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5868
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5869
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5870
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5871
        phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5872
        ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG, phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5873
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5874
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5875
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5876
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5877
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5878
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5879
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5880
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5881
 * Change VCO speed register to improve Bit Error Rate performance of SERDES.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5882
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5883
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5884
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5885
static int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5886
e1000_set_vco_speed(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5887
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5888
    int32_t  ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5889
    uint16_t default_page = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5890
    uint16_t phy_data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5891
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5892
    DEBUGFUNC("e1000_set_vco_speed");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5893
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5894
    switch(hw->mac_type) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5895
    case e1000_82545_rev_3:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5896
    case e1000_82546_rev_3:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5897
       break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5898
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5899
        return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5900
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5901
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5902
    /* Set PHY register 30, page 5, bit 8 to 0 */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5903
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5904
    ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, &default_page);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5905
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5906
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5907
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5908
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0005);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5909
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5910
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5911
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5912
    ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5913
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5914
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5915
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5916
    phy_data &= ~M88E1000_PHY_VCO_REG_BIT8;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5917
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5918
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5919
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5920
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5921
    /* Set PHY register 30, page 4, bit 11 to 1 */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5922
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5923
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0004);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5924
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5925
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5926
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5927
    ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, &phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5928
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5929
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5930
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5931
    phy_data |= M88E1000_PHY_VCO_REG_BIT11;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5932
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, phy_data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5933
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5934
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5935
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5936
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, default_page);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5937
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5938
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5939
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5940
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5941
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5942
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5943
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5944
/*****************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5945
 * This function reads the cookie from ARC ram.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5946
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5947
 * returns: - E1000_SUCCESS .
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5948
 ****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5949
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5950
e1000_host_if_read_cookie(struct e1000_hw * hw, uint8_t *buffer)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5951
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5952
    uint8_t i;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5953
    uint32_t offset = E1000_MNG_DHCP_COOKIE_OFFSET; 
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5954
    uint8_t length = E1000_MNG_DHCP_COOKIE_LENGTH;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5955
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5956
    length = (length >> 2);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5957
    offset = (offset >> 2);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5958
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5959
    for (i = 0; i < length; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5960
        *((uint32_t *) buffer + i) =
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5961
            E1000_READ_REG_ARRAY_DWORD(hw, HOST_IF, offset + i);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5962
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5963
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5964
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5965
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5966
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5967
/*****************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5968
 * This function checks whether the HOST IF is enabled for command operaton
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5969
 * and also checks whether the previous command is completed.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5970
 * It busy waits in case of previous command is not completed.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5971
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5972
 * returns: - E1000_ERR_HOST_INTERFACE_COMMAND in case if is not ready or 
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5973
 *            timeout
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5974
 *          - E1000_SUCCESS for success.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5975
 ****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5976
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5977
e1000_mng_enable_host_if(struct e1000_hw * hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5978
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5979
    uint32_t hicr;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5980
    uint8_t i;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5981
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5982
    /* Check that the host interface is enabled. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5983
    hicr = E1000_READ_REG(hw, HICR);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5984
    if ((hicr & E1000_HICR_EN) == 0) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5985
        DEBUGOUT("E1000_HOST_EN bit disabled.\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5986
        return -E1000_ERR_HOST_INTERFACE_COMMAND;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5987
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5988
    /* check the previous command is completed */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5989
    for (i = 0; i < E1000_MNG_DHCP_COMMAND_TIMEOUT; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5990
        hicr = E1000_READ_REG(hw, HICR);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5991
        if (!(hicr & E1000_HICR_C))
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5992
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5993
        msec_delay_irq(1);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5994
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5995
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5996
    if (i == E1000_MNG_DHCP_COMMAND_TIMEOUT) { 
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5997
        DEBUGOUT("Previous command timeout failed .\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5998
        return -E1000_ERR_HOST_INTERFACE_COMMAND;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5999
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6000
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6001
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6002
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6003
/*****************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6004
 * This function writes the buffer content at the offset given on the host if.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6005
 * It also does alignment considerations to do the writes in most efficient way.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6006
 * Also fills up the sum of the buffer in *buffer parameter.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6007
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6008
 * returns  - E1000_SUCCESS for success.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6009
 ****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6010
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6011
e1000_mng_host_if_write(struct e1000_hw * hw, uint8_t *buffer,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6012
                        uint16_t length, uint16_t offset, uint8_t *sum)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6013
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6014
    uint8_t *tmp;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6015
    uint8_t *bufptr = buffer;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6016
    uint32_t data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6017
    uint16_t remaining, i, j, prev_bytes;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6018
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6019
    /* sum = only sum of the data and it is not checksum */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6020
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6021
    if (length == 0 || offset + length > E1000_HI_MAX_MNG_DATA_LENGTH) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6022
        return -E1000_ERR_PARAM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6023
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6024
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6025
    tmp = (uint8_t *)&data;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6026
    prev_bytes = offset & 0x3;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6027
    offset &= 0xFFFC;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6028
    offset >>= 2;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6029
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6030
    if (prev_bytes) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6031
        data = E1000_READ_REG_ARRAY_DWORD(hw, HOST_IF, offset);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6032
        for (j = prev_bytes; j < sizeof(uint32_t); j++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6033
            *(tmp + j) = *bufptr++;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6034
            *sum += *(tmp + j);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6035
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6036
        E1000_WRITE_REG_ARRAY_DWORD(hw, HOST_IF, offset, data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6037
        length -= j - prev_bytes;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6038
        offset++;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6039
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6040
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6041
    remaining = length & 0x3;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6042
    length -= remaining;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6043
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6044
    /* Calculate length in DWORDs */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6045
    length >>= 2;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6046
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6047
    /* The device driver writes the relevant command block into the
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6048
     * ram area. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6049
    for (i = 0; i < length; i++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6050
        for (j = 0; j < sizeof(uint32_t); j++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6051
            *(tmp + j) = *bufptr++;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6052
            *sum += *(tmp + j);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6053
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6054
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6055
        E1000_WRITE_REG_ARRAY_DWORD(hw, HOST_IF, offset + i, data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6056
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6057
    if (remaining) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6058
        for (j = 0; j < sizeof(uint32_t); j++) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6059
            if (j < remaining)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6060
                *(tmp + j) = *bufptr++;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6061
            else
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6062
                *(tmp + j) = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6063
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6064
            *sum += *(tmp + j);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6065
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6066
        E1000_WRITE_REG_ARRAY_DWORD(hw, HOST_IF, offset + i, data);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6067
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6068
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6069
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6070
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6071
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6072
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6073
/*****************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6074
 * This function writes the command header after does the checksum calculation.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6075
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6076
 * returns  - E1000_SUCCESS for success.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6077
 ****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6078
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6079
e1000_mng_write_cmd_header(struct e1000_hw * hw,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6080
                           struct e1000_host_mng_command_header * hdr)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6081
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6082
    uint16_t i;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6083
    uint8_t sum;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6084
    uint8_t *buffer;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6085
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6086
    /* Write the whole command header structure which includes sum of
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6087
     * the buffer */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6088
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6089
    uint16_t length = sizeof(struct e1000_host_mng_command_header);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6090
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6091
    sum = hdr->checksum;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6092
    hdr->checksum = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6093
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6094
    buffer = (uint8_t *) hdr;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6095
    i = length;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6096
    while(i--)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6097
        sum += buffer[i];
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6098
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6099
    hdr->checksum = 0 - sum;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6100
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6101
    length >>= 2;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6102
    /* The device driver writes the relevant command block into the ram area. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6103
    for (i = 0; i < length; i++)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6104
        E1000_WRITE_REG_ARRAY_DWORD(hw, HOST_IF, i, *((uint32_t *) hdr + i));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6105
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6106
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6107
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6108
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6109
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6110
/*****************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6111
 * This function indicates to ARC that a new command is pending which completes
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6112
 * one write operation by the driver.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6113
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6114
 * returns  - E1000_SUCCESS for success.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6115
 ****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6116
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6117
e1000_mng_write_commit(
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6118
    struct e1000_hw * hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6119
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6120
    uint32_t hicr;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6121
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6122
    hicr = E1000_READ_REG(hw, HICR);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6123
    /* Setting this bit tells the ARC that a new command is pending. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6124
    E1000_WRITE_REG(hw, HICR, hicr | E1000_HICR_C);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6125
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6126
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6127
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6128
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6129
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6130
/*****************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6131
 * This function checks the mode of the firmware.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6132
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6133
 * returns  - TRUE when the mode is IAMT or FALSE.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6134
 ****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6135
boolean_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6136
e1000_check_mng_mode(
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6137
    struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6138
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6139
    uint32_t fwsm;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6140
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6141
    fwsm = E1000_READ_REG(hw, FWSM);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6142
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6143
    if((fwsm & E1000_FWSM_MODE_MASK) ==
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6144
        (E1000_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT))
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6145
        return TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6146
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6147
    return FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6148
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6149
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6150
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6151
/*****************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6152
 * This function writes the dhcp info .
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6153
 ****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6154
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6155
e1000_mng_write_dhcp_info(struct e1000_hw * hw, uint8_t *buffer,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6156
			  uint16_t length)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6157
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6158
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6159
    struct e1000_host_mng_command_header hdr;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6160
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6161
    hdr.command_id = E1000_MNG_DHCP_TX_PAYLOAD_CMD;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6162
    hdr.command_length = length;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6163
    hdr.reserved1 = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6164
    hdr.reserved2 = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6165
    hdr.checksum = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6166
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6167
    ret_val = e1000_mng_enable_host_if(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6168
    if (ret_val == E1000_SUCCESS) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6169
        ret_val = e1000_mng_host_if_write(hw, buffer, length, sizeof(hdr),
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6170
                                          &(hdr.checksum));
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6171
        if (ret_val == E1000_SUCCESS) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6172
            ret_val = e1000_mng_write_cmd_header(hw, &hdr);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6173
            if (ret_val == E1000_SUCCESS)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6174
                ret_val = e1000_mng_write_commit(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6175
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6176
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6177
    return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6178
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6179
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6180
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6181
/*****************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6182
 * This function calculates the checksum.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6183
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6184
 * returns  - checksum of buffer contents.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6185
 ****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6186
uint8_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6187
e1000_calculate_mng_checksum(char *buffer, uint32_t length)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6188
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6189
    uint8_t sum = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6190
    uint32_t i;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6191
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6192
    if (!buffer)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6193
        return 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6194
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6195
    for (i=0; i < length; i++)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6196
        sum += buffer[i];
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6197
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6198
    return (uint8_t) (0 - sum);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6199
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6200
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6201
/*****************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6202
 * This function checks whether tx pkt filtering needs to be enabled or not.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6203
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6204
 * returns  - TRUE for packet filtering or FALSE.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6205
 ****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6206
boolean_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6207
e1000_enable_tx_pkt_filtering(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6208
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6209
    /* called in init as well as watchdog timer functions */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6210
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6211
    int32_t ret_val, checksum;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6212
    boolean_t tx_filter = FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6213
    struct e1000_host_mng_dhcp_cookie *hdr = &(hw->mng_cookie);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6214
    uint8_t *buffer = (uint8_t *) &(hw->mng_cookie);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6215
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6216
    if (e1000_check_mng_mode(hw)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6217
        ret_val = e1000_mng_enable_host_if(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6218
        if (ret_val == E1000_SUCCESS) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6219
            ret_val = e1000_host_if_read_cookie(hw, buffer);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6220
            if (ret_val == E1000_SUCCESS) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6221
                checksum = hdr->checksum;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6222
                hdr->checksum = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6223
                if ((hdr->signature == E1000_IAMT_SIGNATURE) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6224
                    checksum == e1000_calculate_mng_checksum((char *)buffer,
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6225
                                               E1000_MNG_DHCP_COOKIE_LENGTH)) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6226
                    if (hdr->status &
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6227
                        E1000_MNG_DHCP_COOKIE_STATUS_PARSING_SUPPORT)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6228
                        tx_filter = TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6229
                } else
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6230
                    tx_filter = TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6231
            } else
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6232
                tx_filter = TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6233
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6234
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6235
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6236
    hw->tx_pkt_filtering = tx_filter;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6237
    return tx_filter;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6238
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6239
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6240
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6241
 * Verifies the hardware needs to allow ARPs to be processed by the host
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6242
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6243
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6244
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6245
 * returns: - TRUE/FALSE
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6246
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6247
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6248
uint32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6249
e1000_enable_mng_pass_thru(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6250
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6251
    uint32_t manc;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6252
    uint32_t fwsm, factps;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6253
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6254
    if (hw->asf_firmware_present) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6255
        manc = E1000_READ_REG(hw, MANC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6256
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6257
        if (!(manc & E1000_MANC_RCV_TCO_EN) ||
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6258
            !(manc & E1000_MANC_EN_MAC_ADDR_FILTER))
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6259
            return FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6260
        if (e1000_arc_subsystem_valid(hw) == TRUE) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6261
            fwsm = E1000_READ_REG(hw, FWSM);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6262
            factps = E1000_READ_REG(hw, FACTPS);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6263
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6264
            if (((fwsm & E1000_FWSM_MODE_MASK) ==
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6265
                (e1000_mng_mode_pt << E1000_FWSM_MODE_SHIFT)) &&
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6266
                (factps & E1000_FACTPS_MNGCG))
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6267
                return TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6268
        } else
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6269
            if ((manc & E1000_MANC_SMBUS_EN) && !(manc & E1000_MANC_ASF_EN))
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6270
                return TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6271
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6272
    return FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6273
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6274
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6275
static int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6276
e1000_polarity_reversal_workaround(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6277
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6278
    int32_t ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6279
    uint16_t mii_status_reg;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6280
    uint16_t i;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6281
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6282
    /* Polarity reversal workaround for forced 10F/10H links. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6283
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6284
    /* Disable the transmitter on the PHY */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6285
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6286
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0019);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6287
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6288
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6289
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFFFF);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6290
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6291
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6292
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6293
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0000);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6294
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6295
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6296
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6297
    /* This loop will early-out if the NO link condition has been met. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6298
    for(i = PHY_FORCE_TIME; i > 0; i--) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6299
        /* Read the MII Status Register and wait for Link Status bit
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6300
         * to be clear.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6301
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6302
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6303
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6304
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6305
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6306
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6307
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6308
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6309
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6310
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6311
        if((mii_status_reg & ~MII_SR_LINK_STATUS) == 0) break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6312
        msec_delay_irq(100);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6313
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6314
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6315
    /* Recommended delay time after link has been lost */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6316
    msec_delay_irq(1000);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6317
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6318
    /* Now we will re-enable th transmitter on the PHY */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6319
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6320
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0019);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6321
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6322
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6323
    msec_delay_irq(50);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6324
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFFF0);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6325
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6326
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6327
    msec_delay_irq(50);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6328
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFF00);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6329
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6330
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6331
    msec_delay_irq(50);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6332
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0x0000);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6333
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6334
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6335
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6336
    ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0000);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6337
    if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6338
        return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6339
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6340
    /* This loop will early-out if the link condition has been met. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6341
    for(i = PHY_FORCE_TIME; i > 0; i--) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6342
        /* Read the MII Status Register and wait for Link Status bit
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6343
         * to be set.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6344
         */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6345
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6346
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6347
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6348
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6349
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6350
        ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6351
        if(ret_val)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6352
            return ret_val;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6353
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6354
        if(mii_status_reg & MII_SR_LINK_STATUS) break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6355
        msec_delay_irq(100);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6356
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6357
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6358
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6359
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6360
/***************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6361
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6362
 * Disables PCI-Express master access.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6363
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6364
 * hw: Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6365
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6366
 * returns: - none.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6367
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6368
 ***************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6369
void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6370
e1000_set_pci_express_master_disable(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6371
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6372
    uint32_t ctrl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6373
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6374
    DEBUGFUNC("e1000_set_pci_express_master_disable");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6375
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6376
    if (hw->bus_type != e1000_bus_type_pci_express)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6377
        return;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6378
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6379
    ctrl = E1000_READ_REG(hw, CTRL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6380
    ctrl |= E1000_CTRL_GIO_MASTER_DISABLE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6381
    E1000_WRITE_REG(hw, CTRL, ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6382
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6383
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6384
/***************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6385
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6386
 * Enables PCI-Express master access.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6387
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6388
 * hw: Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6389
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6390
 * returns: - none.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6391
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6392
 ***************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6393
void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6394
e1000_enable_pciex_master(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6395
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6396
    uint32_t ctrl;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6397
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6398
    DEBUGFUNC("e1000_enable_pciex_master");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6399
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6400
    if (hw->bus_type != e1000_bus_type_pci_express)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6401
        return;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6402
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6403
    ctrl = E1000_READ_REG(hw, CTRL);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6404
    ctrl &= ~E1000_CTRL_GIO_MASTER_DISABLE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6405
    E1000_WRITE_REG(hw, CTRL, ctrl);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6406
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6407
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6408
/*******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6409
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6410
 * Disables PCI-Express master access and verifies there are no pending requests
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6411
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6412
 * hw: Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6413
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6414
 * returns: - E1000_ERR_MASTER_REQUESTS_PENDING if master disable bit hasn't
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6415
 *            caused the master requests to be disabled.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6416
 *            E1000_SUCCESS master requests disabled.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6417
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6418
 ******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6419
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6420
e1000_disable_pciex_master(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6421
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6422
    int32_t timeout = MASTER_DISABLE_TIMEOUT;   /* 80ms */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6423
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6424
    DEBUGFUNC("e1000_disable_pciex_master");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6425
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6426
    if (hw->bus_type != e1000_bus_type_pci_express)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6427
        return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6428
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6429
    e1000_set_pci_express_master_disable(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6430
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6431
    while(timeout) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6432
        if(!(E1000_READ_REG(hw, STATUS) & E1000_STATUS_GIO_MASTER_ENABLE))
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6433
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6434
        else
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6435
            udelay(100);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6436
        timeout--;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6437
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6438
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6439
    if(!timeout) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6440
        DEBUGOUT("Master requests are pending.\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6441
        return -E1000_ERR_MASTER_REQUESTS_PENDING;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6442
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6443
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6444
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6445
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6446
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6447
/*******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6448
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6449
 * Check for EEPROM Auto Read bit done.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6450
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6451
 * hw: Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6452
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6453
 * returns: - E1000_ERR_RESET if fail to reset MAC
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6454
 *            E1000_SUCCESS at any other case.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6455
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6456
 ******************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6457
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6458
e1000_get_auto_rd_done(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6459
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6460
    int32_t timeout = AUTO_READ_DONE_TIMEOUT;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6461
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6462
    DEBUGFUNC("e1000_get_auto_rd_done");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6463
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6464
    switch (hw->mac_type) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6465
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6466
        msec_delay(5);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6467
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6468
    case e1000_82573:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6469
        while(timeout) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6470
            if (E1000_READ_REG(hw, EECD) & E1000_EECD_AUTO_RD) break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6471
            else msec_delay(1);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6472
            timeout--;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6473
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6474
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6475
        if(!timeout) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6476
            DEBUGOUT("Auto read by HW from EEPROM has not completed.\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6477
            return -E1000_ERR_RESET;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6478
        }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6479
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6480
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6481
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6482
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6483
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6484
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6485
/***************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6486
 * Checks if the PHY configuration is done
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6487
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6488
 * hw: Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6489
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6490
 * returns: - E1000_ERR_RESET if fail to reset MAC
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6491
 *            E1000_SUCCESS at any other case.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6492
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6493
 ***************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6494
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6495
e1000_get_phy_cfg_done(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6496
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6497
    DEBUGFUNC("e1000_get_phy_cfg_done");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6498
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6499
    /* Simply wait for 10ms */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6500
    msec_delay(10);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6501
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6502
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6503
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6504
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6505
/***************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6506
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6507
 * Using the combination of SMBI and SWESMBI semaphore bits when resetting
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6508
 * adapter or Eeprom access.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6509
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6510
 * hw: Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6511
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6512
 * returns: - E1000_ERR_EEPROM if fail to access EEPROM.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6513
 *            E1000_SUCCESS at any other case.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6514
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6515
 ***************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6516
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6517
e1000_get_hw_eeprom_semaphore(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6518
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6519
    int32_t timeout;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6520
    uint32_t swsm;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6521
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6522
    DEBUGFUNC("e1000_get_hw_eeprom_semaphore");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6523
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6524
    if(!hw->eeprom_semaphore_present)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6525
        return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6526
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6527
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6528
    /* Get the FW semaphore. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6529
    timeout = hw->eeprom.word_size + 1;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6530
    while(timeout) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6531
        swsm = E1000_READ_REG(hw, SWSM);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6532
        swsm |= E1000_SWSM_SWESMBI;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6533
        E1000_WRITE_REG(hw, SWSM, swsm);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6534
        /* if we managed to set the bit we got the semaphore. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6535
        swsm = E1000_READ_REG(hw, SWSM);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6536
        if(swsm & E1000_SWSM_SWESMBI)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6537
            break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6538
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6539
        udelay(50);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6540
        timeout--;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6541
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6542
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6543
    if(!timeout) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6544
        /* Release semaphores */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6545
        e1000_put_hw_eeprom_semaphore(hw);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6546
        DEBUGOUT("Driver can't access the Eeprom - SWESMBI bit is set.\n");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6547
        return -E1000_ERR_EEPROM;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6548
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6549
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6550
    return E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6551
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6552
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6553
/***************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6554
 * This function clears HW semaphore bits.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6555
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6556
 * hw: Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6557
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6558
 * returns: - None.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6559
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6560
 ***************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6561
void
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6562
e1000_put_hw_eeprom_semaphore(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6563
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6564
    uint32_t swsm;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6565
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6566
    DEBUGFUNC("e1000_put_hw_eeprom_semaphore");
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6567
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6568
    if(!hw->eeprom_semaphore_present)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6569
        return;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6570
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6571
    swsm = E1000_READ_REG(hw, SWSM);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6572
    /* Release both semaphores. */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6573
    swsm &= ~(E1000_SWSM_SMBI | E1000_SWSM_SWESMBI);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6574
    E1000_WRITE_REG(hw, SWSM, swsm);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6575
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6576
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6577
/******************************************************************************
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6578
 * Checks if PHY reset is blocked due to SOL/IDER session, for example.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6579
 * Returning E1000_BLK_PHY_RESET isn't necessarily an error.  But it's up to
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6580
 * the caller to figure out how to deal with it.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6581
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6582
 * hw - Struct containing variables accessed by shared code
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6583
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6584
 * returns: - E1000_BLK_PHY_RESET
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6585
 *            E1000_SUCCESS
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6586
 *
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6587
 *****************************************************************************/
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6588
int32_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6589
e1000_check_phy_reset_block(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6590
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6591
    uint32_t manc = 0;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6592
    if(hw->mac_type > e1000_82547_rev_2)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6593
        manc = E1000_READ_REG(hw, MANC);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6594
    return (manc & E1000_MANC_BLK_PHY_RST_ON_IDE) ?
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6595
	    E1000_BLK_PHY_RESET : E1000_SUCCESS;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6596
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6597
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6598
uint8_t
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6599
e1000_arc_subsystem_valid(struct e1000_hw *hw)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6600
{
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6601
    uint32_t fwsm;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6602
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6603
    /* On 8257x silicon, registers in the range of 0x8800 - 0x8FFC
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6604
     * may not be provided a DMA clock when no manageability features are
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6605
     * enabled.  We do not want to perform any reads/writes to these registers
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6606
     * if this is the case.  We read FWSM to determine the manageability mode.
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6607
     */
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6608
    switch (hw->mac_type) {
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6609
    case e1000_82573:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6610
        fwsm = E1000_READ_REG(hw, FWSM);
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6611
        if((fwsm & E1000_FWSM_MODE_MASK) != 0)
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6612
            return TRUE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6613
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6614
    default:
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6615
        break;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6616
    }
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6617
    return FALSE;
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6618
}
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6619
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6620
21c266c3f463 Added e1000 driver for kernel 2.6.13.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6621