f6b1d9cab8
- Bring HEAD up to the latest shared code - Fix TSO problem using limited MSS and forwarding - Dual lock implementation - New device support - For my ease, this code can compile in either 6.x or later - brings this driver in sync with the 6.3
1440 lines
41 KiB
C
1440 lines
41 KiB
C
/*******************************************************************************
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Copyright (c) 2001-2007, Intel Corporation
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the Intel Corporation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*******************************************************************************/
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/* $FreeBSD$ */
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/* e1000_82571
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* e1000_82572
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* e1000_82573
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* e1000_82574
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*/
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#include "e1000_api.h"
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#include "e1000_82571.h"
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void e1000_init_function_pointers_82571(struct e1000_hw *hw);
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STATIC s32 e1000_init_phy_params_82571(struct e1000_hw *hw);
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STATIC s32 e1000_init_nvm_params_82571(struct e1000_hw *hw);
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STATIC s32 e1000_init_mac_params_82571(struct e1000_hw *hw);
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STATIC s32 e1000_acquire_nvm_82571(struct e1000_hw *hw);
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STATIC void e1000_release_nvm_82571(struct e1000_hw *hw);
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STATIC s32 e1000_write_nvm_82571(struct e1000_hw *hw, u16 offset,
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u16 words, u16 *data);
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STATIC s32 e1000_update_nvm_checksum_82571(struct e1000_hw *hw);
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STATIC s32 e1000_validate_nvm_checksum_82571(struct e1000_hw *hw);
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STATIC s32 e1000_get_cfg_done_82571(struct e1000_hw *hw);
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STATIC s32 e1000_set_d0_lplu_state_82571(struct e1000_hw *hw,
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bool active);
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STATIC s32 e1000_reset_hw_82571(struct e1000_hw *hw);
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STATIC s32 e1000_init_hw_82571(struct e1000_hw *hw);
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STATIC void e1000_clear_vfta_82571(struct e1000_hw *hw);
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STATIC void e1000_update_mc_addr_list_82571(struct e1000_hw *hw,
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u8 *mc_addr_list, u32 mc_addr_count,
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u32 rar_used_count, u32 rar_count);
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STATIC s32 e1000_setup_link_82571(struct e1000_hw *hw);
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STATIC s32 e1000_setup_copper_link_82571(struct e1000_hw *hw);
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STATIC s32 e1000_setup_fiber_serdes_link_82571(struct e1000_hw *hw);
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STATIC s32 e1000_valid_led_default_82571(struct e1000_hw *hw, u16 *data);
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STATIC void e1000_clear_hw_cntrs_82571(struct e1000_hw *hw);
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static s32 e1000_get_hw_semaphore_82571(struct e1000_hw *hw);
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static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw);
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static s32 e1000_get_phy_id_82571(struct e1000_hw *hw);
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static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw);
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static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw);
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static s32 e1000_write_nvm_eewr_82571(struct e1000_hw *hw, u16 offset,
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u16 words, u16 *data);
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STATIC s32 e1000_read_mac_addr_82571(struct e1000_hw *hw);
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STATIC void e1000_power_down_phy_copper_82571(struct e1000_hw *hw);
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struct e1000_dev_spec_82571 {
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bool laa_is_present;
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};
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/**
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* e1000_init_phy_params_82571 - Init PHY func ptrs.
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* @hw: pointer to the HW structure
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*
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* This is a function pointer entry point called by the api module.
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**/
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STATIC s32 e1000_init_phy_params_82571(struct e1000_hw *hw)
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{
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struct e1000_phy_info *phy = &hw->phy;
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struct e1000_functions *func = &hw->func;
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s32 ret_val = E1000_SUCCESS;
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DEBUGFUNC("e1000_init_phy_params_82571");
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if (hw->phy.media_type != e1000_media_type_copper) {
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phy->type = e1000_phy_none;
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goto out;
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}
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phy->addr = 1;
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phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
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phy->reset_delay_us = 100;
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func->acquire_phy = e1000_get_hw_semaphore_82571;
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func->check_polarity = e1000_check_polarity_igp;
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func->check_reset_block = e1000_check_reset_block_generic;
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func->release_phy = e1000_put_hw_semaphore_82571;
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func->reset_phy = e1000_phy_hw_reset_generic;
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func->set_d0_lplu_state = e1000_set_d0_lplu_state_82571;
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func->set_d3_lplu_state = e1000_set_d3_lplu_state_generic;
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func->power_up_phy = e1000_power_up_phy_copper;
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func->power_down_phy = e1000_power_down_phy_copper_82571;
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switch (hw->mac.type) {
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case e1000_82571:
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case e1000_82572:
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phy->type = e1000_phy_igp_2;
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func->get_cfg_done = e1000_get_cfg_done_82571;
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func->get_phy_info = e1000_get_phy_info_igp;
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func->force_speed_duplex = e1000_phy_force_speed_duplex_igp;
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func->get_cable_length = e1000_get_cable_length_igp_2;
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func->read_phy_reg = e1000_read_phy_reg_igp;
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func->write_phy_reg = e1000_write_phy_reg_igp;
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/* This uses above function pointers */
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ret_val = e1000_get_phy_id_82571(hw);
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/* Verify PHY ID */
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if (phy->id != IGP01E1000_I_PHY_ID) {
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ret_val = -E1000_ERR_PHY;
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goto out;
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}
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break;
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case e1000_82573:
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phy->type = e1000_phy_m88;
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func->get_cfg_done = e1000_get_cfg_done_generic;
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func->get_phy_info = e1000_get_phy_info_m88;
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func->commit_phy = e1000_phy_sw_reset_generic;
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func->force_speed_duplex = e1000_phy_force_speed_duplex_m88;
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func->get_cable_length = e1000_get_cable_length_m88;
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func->read_phy_reg = e1000_read_phy_reg_m88;
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func->write_phy_reg = e1000_write_phy_reg_m88;
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/* This uses above function pointers */
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ret_val = e1000_get_phy_id_82571(hw);
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/* Verify PHY ID */
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if (phy->id != M88E1111_I_PHY_ID) {
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ret_val = -E1000_ERR_PHY;
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DEBUGOUT1("PHY ID unknown: type = 0x%08x\n", phy->id);
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goto out;
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}
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break;
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default:
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ret_val = -E1000_ERR_PHY;
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goto out;
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break;
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}
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out:
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return ret_val;
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}
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/**
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* e1000_init_nvm_params_82571 - Init NVM func ptrs.
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* @hw: pointer to the HW structure
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*
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* This is a function pointer entry point called by the api module.
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**/
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STATIC s32 e1000_init_nvm_params_82571(struct e1000_hw *hw)
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{
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struct e1000_nvm_info *nvm = &hw->nvm;
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struct e1000_functions *func = &hw->func;
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u32 eecd = E1000_READ_REG(hw, E1000_EECD);
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u16 size;
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DEBUGFUNC("e1000_init_nvm_params_82571");
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nvm->opcode_bits = 8;
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nvm->delay_usec = 1;
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switch (nvm->override) {
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case e1000_nvm_override_spi_large:
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nvm->page_size = 32;
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nvm->address_bits = 16;
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break;
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case e1000_nvm_override_spi_small:
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nvm->page_size = 8;
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nvm->address_bits = 8;
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break;
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default:
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nvm->page_size = eecd & E1000_EECD_ADDR_BITS ? 32 : 8;
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nvm->address_bits = eecd & E1000_EECD_ADDR_BITS ? 16 : 8;
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break;
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}
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switch (hw->mac.type) {
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case e1000_82573:
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if (((eecd >> 15) & 0x3) == 0x3) {
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nvm->type = e1000_nvm_flash_hw;
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nvm->word_size = 2048;
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/*
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* Autonomous Flash update bit must be cleared due
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* to Flash update issue.
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*/
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eecd &= ~E1000_EECD_AUPDEN;
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E1000_WRITE_REG(hw, E1000_EECD, eecd);
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break;
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}
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/* Fall Through */
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default:
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nvm->type = e1000_nvm_eeprom_spi;
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size = (u16)((eecd & E1000_EECD_SIZE_EX_MASK) >>
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E1000_EECD_SIZE_EX_SHIFT);
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/*
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* Added to a constant, "size" becomes the left-shift value
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* for setting word_size.
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*/
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size += NVM_WORD_SIZE_BASE_SHIFT;
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/* EEPROM access above 16k is unsupported */
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if (size > 14)
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size = 14;
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nvm->word_size = 1 << size;
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break;
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}
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/* Function Pointers */
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func->acquire_nvm = e1000_acquire_nvm_82571;
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func->read_nvm = (hw->mac.type == e1000_82573)
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? e1000_read_nvm_eerd
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: e1000_read_nvm_spi;
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func->release_nvm = e1000_release_nvm_82571;
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func->update_nvm = e1000_update_nvm_checksum_82571;
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func->validate_nvm = e1000_validate_nvm_checksum_82571;
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func->valid_led_default = e1000_valid_led_default_82571;
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func->write_nvm = e1000_write_nvm_82571;
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return E1000_SUCCESS;
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}
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/**
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* e1000_init_mac_params_82571 - Init MAC func ptrs.
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* @hw: pointer to the HW structure
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*
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* This is a function pointer entry point called by the api module.
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**/
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STATIC s32 e1000_init_mac_params_82571(struct e1000_hw *hw)
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{
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struct e1000_mac_info *mac = &hw->mac;
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struct e1000_functions *func = &hw->func;
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s32 ret_val = E1000_SUCCESS;
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DEBUGFUNC("e1000_init_mac_params_82571");
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/* Set media type */
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switch (hw->device_id) {
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case E1000_DEV_ID_82571EB_FIBER:
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case E1000_DEV_ID_82572EI_FIBER:
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case E1000_DEV_ID_82571EB_QUAD_FIBER:
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hw->phy.media_type = e1000_media_type_fiber;
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break;
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case E1000_DEV_ID_82571EB_SERDES:
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case E1000_DEV_ID_82571EB_SERDES_DUAL:
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case E1000_DEV_ID_82571EB_SERDES_QUAD:
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case E1000_DEV_ID_82572EI_SERDES:
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hw->phy.media_type = e1000_media_type_internal_serdes;
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break;
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default:
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hw->phy.media_type = e1000_media_type_copper;
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break;
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}
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/* Set mta register count */
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mac->mta_reg_count = 128;
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/* Set rar entry count */
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mac->rar_entry_count = E1000_RAR_ENTRIES;
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/* Set if part includes ASF firmware */
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mac->asf_firmware_present = TRUE;
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/* Set if manageability features are enabled. */
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mac->arc_subsystem_valid =
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(E1000_READ_REG(hw, E1000_FWSM) & E1000_FWSM_MODE_MASK)
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? TRUE : FALSE;
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/* Function pointers */
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/* bus type/speed/width */
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func->get_bus_info = e1000_get_bus_info_pcie_generic;
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/* reset */
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func->reset_hw = e1000_reset_hw_82571;
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/* hw initialization */
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func->init_hw = e1000_init_hw_82571;
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/* link setup */
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func->setup_link = e1000_setup_link_82571;
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/* physical interface link setup */
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func->setup_physical_interface =
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(hw->phy.media_type == e1000_media_type_copper)
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? e1000_setup_copper_link_82571
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: e1000_setup_fiber_serdes_link_82571;
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/* check for link */
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switch (hw->phy.media_type) {
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case e1000_media_type_copper:
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func->check_for_link = e1000_check_for_copper_link_generic;
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break;
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case e1000_media_type_fiber:
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func->check_for_link = e1000_check_for_fiber_link_generic;
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break;
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case e1000_media_type_internal_serdes:
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func->check_for_link = e1000_check_for_serdes_link_generic;
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break;
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default:
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ret_val = -E1000_ERR_CONFIG;
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goto out;
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break;
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}
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/* check management mode */
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func->check_mng_mode = e1000_check_mng_mode_generic;
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/* multicast address update */
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func->update_mc_addr_list = e1000_update_mc_addr_list_82571;
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/* writing VFTA */
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func->write_vfta = e1000_write_vfta_generic;
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/* clearing VFTA */
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func->clear_vfta = e1000_clear_vfta_82571;
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/* setting MTA */
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func->mta_set = e1000_mta_set_generic;
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/* read mac address */
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func->read_mac_addr = e1000_read_mac_addr_82571;
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/* blink LED */
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func->blink_led = e1000_blink_led_generic;
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/* setup LED */
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func->setup_led = e1000_setup_led_generic;
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/* cleanup LED */
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func->cleanup_led = e1000_cleanup_led_generic;
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/* turn on/off LED */
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func->led_on = e1000_led_on_generic;
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func->led_off = e1000_led_off_generic;
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/* remove device */
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func->remove_device = e1000_remove_device_generic;
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/* clear hardware counters */
|
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func->clear_hw_cntrs = e1000_clear_hw_cntrs_82571;
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/* link info */
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func->get_link_up_info =
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(hw->phy.media_type == e1000_media_type_copper)
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? e1000_get_speed_and_duplex_copper_generic
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: e1000_get_speed_and_duplex_fiber_serdes_generic;
|
|
|
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hw->dev_spec_size = sizeof(struct e1000_dev_spec_82571);
|
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|
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/* Device-specific structure allocation */
|
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ret_val = e1000_alloc_zeroed_dev_spec_struct(hw, hw->dev_spec_size);
|
|
|
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out:
|
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return ret_val;
|
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}
|
|
|
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/**
|
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* e1000_init_function_pointers_82571 - Init func ptrs.
|
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* @hw: pointer to the HW structure
|
|
*
|
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* The only function explicitly called by the api module to initialize
|
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* all function pointers and parameters.
|
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**/
|
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void e1000_init_function_pointers_82571(struct e1000_hw *hw)
|
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{
|
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DEBUGFUNC("e1000_init_function_pointers_82571");
|
|
|
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hw->func.init_mac_params = e1000_init_mac_params_82571;
|
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hw->func.init_nvm_params = e1000_init_nvm_params_82571;
|
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hw->func.init_phy_params = e1000_init_phy_params_82571;
|
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}
|
|
|
|
/**
|
|
* e1000_get_phy_id_82571 - Retrieve the PHY ID and revision
|
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* @hw: pointer to the HW structure
|
|
*
|
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* Reads the PHY registers and stores the PHY ID and possibly the PHY
|
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* revision in the hardware structure.
|
|
**/
|
|
static s32 e1000_get_phy_id_82571(struct e1000_hw *hw)
|
|
{
|
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struct e1000_phy_info *phy = &hw->phy;
|
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s32 ret_val = E1000_SUCCESS;
|
|
|
|
DEBUGFUNC("e1000_get_phy_id_82571");
|
|
|
|
switch (hw->mac.type) {
|
|
case e1000_82571:
|
|
case e1000_82572:
|
|
/*
|
|
* The 82571 firmware may still be configuring the PHY.
|
|
* In this case, we cannot access the PHY until the
|
|
* configuration is done. So we explicitly set the
|
|
* PHY ID.
|
|
*/
|
|
phy->id = IGP01E1000_I_PHY_ID;
|
|
break;
|
|
case e1000_82573:
|
|
ret_val = e1000_get_phy_id(hw);
|
|
break;
|
|
default:
|
|
ret_val = -E1000_ERR_PHY;
|
|
break;
|
|
}
|
|
|
|
return ret_val;
|
|
}
|
|
|
|
/**
|
|
* e1000_get_hw_semaphore_82571 - Acquire hardware semaphore
|
|
* @hw: pointer to the HW structure
|
|
*
|
|
* Acquire the HW semaphore to access the PHY or NVM
|
|
**/
|
|
s32 e1000_get_hw_semaphore_82571(struct e1000_hw *hw)
|
|
{
|
|
u32 swsm;
|
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s32 ret_val = E1000_SUCCESS;
|
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s32 timeout = hw->nvm.word_size + 1;
|
|
s32 i = 0;
|
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|
|
DEBUGFUNC("e1000_get_hw_semaphore_82571");
|
|
|
|
/* Get the FW semaphore. */
|
|
for (i = 0; i < timeout; i++) {
|
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swsm = E1000_READ_REG(hw, E1000_SWSM);
|
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E1000_WRITE_REG(hw, E1000_SWSM, swsm | E1000_SWSM_SWESMBI);
|
|
|
|
/* Semaphore acquired if bit latched */
|
|
if (E1000_READ_REG(hw, E1000_SWSM) & E1000_SWSM_SWESMBI)
|
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break;
|
|
|
|
usec_delay(50);
|
|
}
|
|
|
|
if (i == timeout) {
|
|
/* Release semaphores */
|
|
e1000_put_hw_semaphore_generic(hw);
|
|
DEBUGOUT("Driver can't access the NVM\n");
|
|
ret_val = -E1000_ERR_NVM;
|
|
goto out;
|
|
}
|
|
|
|
out:
|
|
return ret_val;
|
|
}
|
|
|
|
/**
|
|
* e1000_put_hw_semaphore_82571 - Release hardware semaphore
|
|
* @hw: pointer to the HW structure
|
|
*
|
|
* Release hardware semaphore used to access the PHY or NVM
|
|
**/
|
|
void e1000_put_hw_semaphore_82571(struct e1000_hw *hw)
|
|
{
|
|
u32 swsm;
|
|
|
|
DEBUGFUNC("e1000_put_hw_semaphore_82571");
|
|
|
|
swsm = E1000_READ_REG(hw, E1000_SWSM);
|
|
|
|
swsm &= ~E1000_SWSM_SWESMBI;
|
|
|
|
E1000_WRITE_REG(hw, E1000_SWSM, swsm);
|
|
}
|
|
|
|
/**
|
|
* e1000_acquire_nvm_82571 - Request for access to the EEPROM
|
|
* @hw: pointer to the HW structure
|
|
*
|
|
* To gain access to the EEPROM, first we must obtain a hardware semaphore.
|
|
* Then for non-82573 hardware, set the EEPROM access request bit and wait
|
|
* for EEPROM access grant bit. If the access grant bit is not set, release
|
|
* hardware semaphore.
|
|
**/
|
|
STATIC s32 e1000_acquire_nvm_82571(struct e1000_hw *hw)
|
|
{
|
|
s32 ret_val;
|
|
|
|
DEBUGFUNC("e1000_acquire_nvm_82571");
|
|
|
|
ret_val = e1000_get_hw_semaphore_82571(hw);
|
|
if (ret_val)
|
|
goto out;
|
|
|
|
if (hw->mac.type != e1000_82573)
|
|
ret_val = e1000_acquire_nvm_generic(hw);
|
|
|
|
if (ret_val)
|
|
e1000_put_hw_semaphore_82571(hw);
|
|
|
|
out:
|
|
return ret_val;
|
|
}
|
|
|
|
/**
|
|
* e1000_release_nvm_82571 - Release exclusive access to EEPROM
|
|
* @hw: pointer to the HW structure
|
|
*
|
|
* Stop any current commands to the EEPROM and clear the EEPROM request bit.
|
|
**/
|
|
STATIC void e1000_release_nvm_82571(struct e1000_hw *hw)
|
|
{
|
|
DEBUGFUNC("e1000_release_nvm_82571");
|
|
|
|
e1000_release_nvm_generic(hw);
|
|
e1000_put_hw_semaphore_82571(hw);
|
|
}
|
|
|
|
/**
|
|
* e1000_write_nvm_82571 - Write to EEPROM using appropriate interface
|
|
* @hw: pointer to the HW structure
|
|
* @offset: offset within the EEPROM to be written to
|
|
* @words: number of words to write
|
|
* @data: 16 bit word(s) to be written to the EEPROM
|
|
*
|
|
* For non-82573 silicon, write data to EEPROM at offset using SPI interface.
|
|
*
|
|
* If e1000_update_nvm_checksum is not called after this function, the
|
|
* EEPROM will most likley contain an invalid checksum.
|
|
**/
|
|
STATIC s32 e1000_write_nvm_82571(struct e1000_hw *hw, u16 offset, u16 words,
|
|
u16 *data)
|
|
{
|
|
s32 ret_val = E1000_SUCCESS;
|
|
|
|
DEBUGFUNC("e1000_write_nvm_82571");
|
|
|
|
switch (hw->mac.type) {
|
|
case e1000_82573:
|
|
ret_val = e1000_write_nvm_eewr_82571(hw, offset, words, data);
|
|
break;
|
|
case e1000_82571:
|
|
case e1000_82572:
|
|
ret_val = e1000_write_nvm_spi(hw, offset, words, data);
|
|
break;
|
|
default:
|
|
ret_val = -E1000_ERR_NVM;
|
|
break;
|
|
}
|
|
|
|
return ret_val;
|
|
}
|
|
|
|
/**
|
|
* e1000_update_nvm_checksum_82571 - Update EEPROM checksum
|
|
* @hw: pointer to the HW structure
|
|
*
|
|
* Updates the EEPROM checksum by reading/adding each word of the EEPROM
|
|
* up to the checksum. Then calculates the EEPROM checksum and writes the
|
|
* value to the EEPROM.
|
|
**/
|
|
STATIC s32 e1000_update_nvm_checksum_82571(struct e1000_hw *hw)
|
|
{
|
|
u32 eecd;
|
|
s32 ret_val;
|
|
u16 i;
|
|
|
|
DEBUGFUNC("e1000_update_nvm_checksum_82571");
|
|
|
|
ret_val = e1000_update_nvm_checksum_generic(hw);
|
|
if (ret_val)
|
|
goto out;
|
|
|
|
/*
|
|
* If our nvm is an EEPROM, then we're done
|
|
* otherwise, commit the checksum to the flash NVM.
|
|
*/
|
|
if (hw->nvm.type != e1000_nvm_flash_hw)
|
|
goto out;
|
|
|
|
/* Check for pending operations. */
|
|
for (i = 0; i < E1000_FLASH_UPDATES; i++) {
|
|
msec_delay(1);
|
|
if ((E1000_READ_REG(hw, E1000_EECD) & E1000_EECD_FLUPD) == 0)
|
|
break;
|
|
}
|
|
|
|
if (i == E1000_FLASH_UPDATES) {
|
|
ret_val = -E1000_ERR_NVM;
|
|
goto out;
|
|
}
|
|
|
|
/* Reset the firmware if using STM opcode. */
|
|
if ((E1000_READ_REG(hw, E1000_FLOP) & 0xFF00) == E1000_STM_OPCODE) {
|
|
/*
|
|
* The enabling of and the actual reset must be done
|
|
* in two write cycles.
|
|
*/
|
|
E1000_WRITE_REG(hw, E1000_HICR, E1000_HICR_FW_RESET_ENABLE);
|
|
E1000_WRITE_FLUSH(hw);
|
|
E1000_WRITE_REG(hw, E1000_HICR, E1000_HICR_FW_RESET);
|
|
}
|
|
|
|
/* Commit the write to flash */
|
|
eecd = E1000_READ_REG(hw, E1000_EECD) | E1000_EECD_FLUPD;
|
|
E1000_WRITE_REG(hw, E1000_EECD, eecd);
|
|
|
|
for (i = 0; i < E1000_FLASH_UPDATES; i++) {
|
|
msec_delay(1);
|
|
if ((E1000_READ_REG(hw, E1000_EECD) & E1000_EECD_FLUPD) == 0)
|
|
break;
|
|
}
|
|
|
|
if (i == E1000_FLASH_UPDATES) {
|
|
ret_val = -E1000_ERR_NVM;
|
|
goto out;
|
|
}
|
|
|
|
out:
|
|
return ret_val;
|
|
}
|
|
|
|
/**
|
|
* e1000_validate_nvm_checksum_82571 - Validate EEPROM checksum
|
|
* @hw: pointer to the HW structure
|
|
*
|
|
* Calculates the EEPROM checksum by reading/adding each word of the EEPROM
|
|
* and then verifies that the sum of the EEPROM is equal to 0xBABA.
|
|
**/
|
|
STATIC s32 e1000_validate_nvm_checksum_82571(struct e1000_hw *hw)
|
|
{
|
|
DEBUGFUNC("e1000_validate_nvm_checksum_82571");
|
|
|
|
if (hw->nvm.type == e1000_nvm_flash_hw)
|
|
e1000_fix_nvm_checksum_82571(hw);
|
|
|
|
return e1000_validate_nvm_checksum_generic(hw);
|
|
}
|
|
|
|
/**
|
|
* e1000_write_nvm_eewr_82571 - Write to EEPROM for 82573 silicon
|
|
* @hw: pointer to the HW structure
|
|
* @offset: offset within the EEPROM to be written to
|
|
* @words: number of words to write
|
|
* @data: 16 bit word(s) to be written to the EEPROM
|
|
*
|
|
* After checking for invalid values, poll the EEPROM to ensure the previous
|
|
* command has completed before trying to write the next word. After write
|
|
* poll for completion.
|
|
*
|
|
* If e1000_update_nvm_checksum is not called after this function, the
|
|
* EEPROM will most likley contain an invalid checksum.
|
|
**/
|
|
static s32 e1000_write_nvm_eewr_82571(struct e1000_hw *hw, u16 offset,
|
|
u16 words, u16 *data)
|
|
{
|
|
struct e1000_nvm_info *nvm = &hw->nvm;
|
|
u32 i, eewr = 0;
|
|
s32 ret_val = 0;
|
|
|
|
DEBUGFUNC("e1000_write_nvm_eewr_82571");
|
|
|
|
/*
|
|
* A check for invalid values: offset too large, too many words,
|
|
* and not enough words.
|
|
*/
|
|
if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) ||
|
|
(words == 0)) {
|
|
DEBUGOUT("nvm parameter(s) out of bounds\n");
|
|
ret_val = -E1000_ERR_NVM;
|
|
goto out;
|
|
}
|
|
|
|
for (i = 0; i < words; i++) {
|
|
eewr = (data[i] << E1000_NVM_RW_REG_DATA) |
|
|
((offset+i) << E1000_NVM_RW_ADDR_SHIFT) |
|
|
E1000_NVM_RW_REG_START;
|
|
|
|
ret_val = e1000_poll_eerd_eewr_done(hw, E1000_NVM_POLL_WRITE);
|
|
if (ret_val)
|
|
break;
|
|
|
|
E1000_WRITE_REG(hw, E1000_EEWR, eewr);
|
|
|
|
ret_val = e1000_poll_eerd_eewr_done(hw, E1000_NVM_POLL_WRITE);
|
|
if (ret_val)
|
|
break;
|
|
}
|
|
|
|
out:
|
|
return ret_val;
|
|
}
|
|
|
|
/**
|
|
* e1000_get_cfg_done_82571 - Poll for configuration done
|
|
* @hw: pointer to the HW structure
|
|
*
|
|
* Reads the management control register for the config done bit to be set.
|
|
**/
|
|
STATIC s32 e1000_get_cfg_done_82571(struct e1000_hw *hw)
|
|
{
|
|
s32 timeout = PHY_CFG_TIMEOUT;
|
|
s32 ret_val = E1000_SUCCESS;
|
|
|
|
DEBUGFUNC("e1000_get_cfg_done_82571");
|
|
|
|
while (timeout) {
|
|
if (E1000_READ_REG(hw, E1000_EEMNGCTL) & E1000_NVM_CFG_DONE_PORT_0)
|
|
break;
|
|
msec_delay(1);
|
|
timeout--;
|
|
}
|
|
if (!timeout) {
|
|
DEBUGOUT("MNG configuration cycle has not completed.\n");
|
|
ret_val = -E1000_ERR_RESET;
|
|
goto out;
|
|
}
|
|
|
|
out:
|
|
return ret_val;
|
|
}
|
|
|
|
/**
|
|
* e1000_set_d0_lplu_state_82571 - Set Low Power Linkup D0 state
|
|
* @hw: pointer to the HW structure
|
|
* @active: TRUE to enable LPLU, FALSE to disable
|
|
*
|
|
* Sets the LPLU D0 state according to the active flag. When activating LPLU
|
|
* this function also disables smart speed and vice versa. LPLU will not be
|
|
* activated unless the device autonegotiation advertisement meets standards
|
|
* of either 10 or 10/100 or 10/100/1000 at all duplexes. This is a function
|
|
* pointer entry point only called by PHY setup routines.
|
|
**/
|
|
STATIC s32 e1000_set_d0_lplu_state_82571(struct e1000_hw *hw, bool active)
|
|
{
|
|
struct e1000_phy_info *phy = &hw->phy;
|
|
s32 ret_val;
|
|
u16 data;
|
|
|
|
DEBUGFUNC("e1000_set_d0_lplu_state_82571");
|
|
|
|
ret_val = e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, &data);
|
|
if (ret_val)
|
|
goto out;
|
|
|
|
if (active) {
|
|
data |= IGP02E1000_PM_D0_LPLU;
|
|
ret_val = e1000_write_phy_reg(hw,
|
|
IGP02E1000_PHY_POWER_MGMT,
|
|
data);
|
|
if (ret_val)
|
|
goto out;
|
|
|
|
/* When LPLU is enabled, we should disable SmartSpeed */
|
|
ret_val = e1000_read_phy_reg(hw,
|
|
IGP01E1000_PHY_PORT_CONFIG,
|
|
&data);
|
|
data &= ~IGP01E1000_PSCFR_SMART_SPEED;
|
|
ret_val = e1000_write_phy_reg(hw,
|
|
IGP01E1000_PHY_PORT_CONFIG,
|
|
data);
|
|
if (ret_val)
|
|
goto out;
|
|
} else {
|
|
data &= ~IGP02E1000_PM_D0_LPLU;
|
|
ret_val = e1000_write_phy_reg(hw,
|
|
IGP02E1000_PHY_POWER_MGMT,
|
|
data);
|
|
/*
|
|
* LPLU and SmartSpeed are mutually exclusive. LPLU is used
|
|
* during Dx states where the power conservation is most
|
|
* important. During driver activity we should enable
|
|
* SmartSpeed, so performance is maintained.
|
|
*/
|
|
if (phy->smart_speed == e1000_smart_speed_on) {
|
|
ret_val = e1000_read_phy_reg(hw,
|
|
IGP01E1000_PHY_PORT_CONFIG,
|
|
&data);
|
|
if (ret_val)
|
|
goto out;
|
|
|
|
data |= IGP01E1000_PSCFR_SMART_SPEED;
|
|
ret_val = e1000_write_phy_reg(hw,
|
|
IGP01E1000_PHY_PORT_CONFIG,
|
|
data);
|
|
if (ret_val)
|
|
goto out;
|
|
} else if (phy->smart_speed == e1000_smart_speed_off) {
|
|
ret_val = e1000_read_phy_reg(hw,
|
|
IGP01E1000_PHY_PORT_CONFIG,
|
|
&data);
|
|
if (ret_val)
|
|
goto out;
|
|
|
|
data &= ~IGP01E1000_PSCFR_SMART_SPEED;
|
|
ret_val = e1000_write_phy_reg(hw,
|
|
IGP01E1000_PHY_PORT_CONFIG,
|
|
data);
|
|
if (ret_val)
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
out:
|
|
return ret_val;
|
|
}
|
|
|
|
/**
|
|
* e1000_reset_hw_82571 - Reset hardware
|
|
* @hw: pointer to the HW structure
|
|
*
|
|
* This resets the hardware into a known state. This is a
|
|
* function pointer entry point called by the api module.
|
|
**/
|
|
STATIC s32 e1000_reset_hw_82571(struct e1000_hw *hw)
|
|
{
|
|
u32 ctrl, extcnf_ctrl, ctrl_ext, icr;
|
|
s32 ret_val;
|
|
u16 i = 0;
|
|
|
|
DEBUGFUNC("e1000_reset_hw_82571");
|
|
|
|
/*
|
|
* Prevent the PCI-E bus from sticking if there is no TLP connection
|
|
* on the last TLP read/write transaction when MAC is reset.
|
|
*/
|
|
ret_val = e1000_disable_pcie_master_generic(hw);
|
|
if (ret_val) {
|
|
DEBUGOUT("PCI-E Master disable polling has failed.\n");
|
|
}
|
|
|
|
DEBUGOUT("Masking off all interrupts\n");
|
|
E1000_WRITE_REG(hw, E1000_IMC, 0xffffffff);
|
|
|
|
E1000_WRITE_REG(hw, E1000_RCTL, 0);
|
|
E1000_WRITE_REG(hw, E1000_TCTL, E1000_TCTL_PSP);
|
|
E1000_WRITE_FLUSH(hw);
|
|
|
|
msec_delay(10);
|
|
|
|
/*
|
|
* Must acquire the MDIO ownership before MAC reset.
|
|
* Ownership defaults to firmware after a reset.
|
|
*/
|
|
if (hw->mac.type == e1000_82573) {
|
|
extcnf_ctrl = E1000_READ_REG(hw, E1000_EXTCNF_CTRL);
|
|
extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
|
|
|
|
do {
|
|
E1000_WRITE_REG(hw, E1000_EXTCNF_CTRL, extcnf_ctrl);
|
|
extcnf_ctrl = E1000_READ_REG(hw, E1000_EXTCNF_CTRL);
|
|
|
|
if (extcnf_ctrl & E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP)
|
|
break;
|
|
|
|
extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
|
|
|
|
msec_delay(2);
|
|
i++;
|
|
} while (i < MDIO_OWNERSHIP_TIMEOUT);
|
|
}
|
|
|
|
ctrl = E1000_READ_REG(hw, E1000_CTRL);
|
|
|
|
DEBUGOUT("Issuing a global reset to MAC\n");
|
|
E1000_WRITE_REG(hw, E1000_CTRL, ctrl | E1000_CTRL_RST);
|
|
|
|
if (hw->nvm.type == e1000_nvm_flash_hw) {
|
|
usec_delay(10);
|
|
ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
|
|
ctrl_ext |= E1000_CTRL_EXT_EE_RST;
|
|
E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
|
|
E1000_WRITE_FLUSH(hw);
|
|
}
|
|
|
|
ret_val = e1000_get_auto_rd_done_generic(hw);
|
|
if (ret_val)
|
|
/* We don't want to continue accessing MAC registers. */
|
|
goto out;
|
|
|
|
/*
|
|
* Phy configuration from NVM just starts after EECD_AUTO_RD is set.
|
|
* Need to wait for Phy configuration completion before accessing
|
|
* NVM and Phy.
|
|
*/
|
|
if (hw->mac.type == e1000_82573)
|
|
msec_delay(25);
|
|
|
|
/* Clear any pending interrupt events. */
|
|
E1000_WRITE_REG(hw, E1000_IMC, 0xffffffff);
|
|
icr = E1000_READ_REG(hw, E1000_ICR);
|
|
|
|
if (!(e1000_check_alt_mac_addr_generic(hw)))
|
|
e1000_set_laa_state_82571(hw, TRUE);
|
|
|
|
out:
|
|
return ret_val;
|
|
}
|
|
|
|
/**
|
|
* e1000_init_hw_82571 - Initialize hardware
|
|
* @hw: pointer to the HW structure
|
|
*
|
|
* This inits the hardware readying it for operation.
|
|
**/
|
|
STATIC s32 e1000_init_hw_82571(struct e1000_hw *hw)
|
|
{
|
|
struct e1000_mac_info *mac = &hw->mac;
|
|
u32 reg_data;
|
|
s32 ret_val;
|
|
u16 i, rar_count = mac->rar_entry_count;
|
|
|
|
DEBUGFUNC("e1000_init_hw_82571");
|
|
|
|
e1000_initialize_hw_bits_82571(hw);
|
|
|
|
/* Initialize identification LED */
|
|
ret_val = e1000_id_led_init_generic(hw);
|
|
if (ret_val) {
|
|
DEBUGOUT("Error initializing identification LED\n");
|
|
/* This is not fatal and we should not stop init due to this */
|
|
}
|
|
|
|
/* Disabling VLAN filtering */
|
|
DEBUGOUT("Initializing the IEEE VLAN\n");
|
|
e1000_clear_vfta(hw);
|
|
|
|
/* Setup the receive address. */
|
|
/*
|
|
* If, however, a locally administered address was assigned to the
|
|
* 82571, we must reserve a RAR for it to work around an issue where
|
|
* resetting one port will reload the MAC on the other port.
|
|
*/
|
|
if (e1000_get_laa_state_82571(hw))
|
|
rar_count--;
|
|
e1000_init_rx_addrs_generic(hw, rar_count);
|
|
|
|
/* Zero out the Multicast HASH table */
|
|
DEBUGOUT("Zeroing the MTA\n");
|
|
for (i = 0; i < mac->mta_reg_count; i++)
|
|
E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0);
|
|
|
|
/* Setup link and flow control */
|
|
ret_val = e1000_setup_link(hw);
|
|
|
|
/* Set the transmit descriptor write-back policy */
|
|
reg_data = E1000_READ_REG(hw, E1000_TXDCTL(0));
|
|
reg_data = (reg_data & ~E1000_TXDCTL_WTHRESH) |
|
|
E1000_TXDCTL_FULL_TX_DESC_WB |
|
|
E1000_TXDCTL_COUNT_DESC;
|
|
E1000_WRITE_REG(hw, E1000_TXDCTL(0), reg_data);
|
|
|
|
/* ...for both queues. */
|
|
if (mac->type != e1000_82573) {
|
|
reg_data = E1000_READ_REG(hw, E1000_TXDCTL(1));
|
|
reg_data = (reg_data & ~E1000_TXDCTL_WTHRESH) |
|
|
E1000_TXDCTL_FULL_TX_DESC_WB |
|
|
E1000_TXDCTL_COUNT_DESC;
|
|
E1000_WRITE_REG(hw, E1000_TXDCTL(1), reg_data);
|
|
} else {
|
|
e1000_enable_tx_pkt_filtering(hw);
|
|
reg_data = E1000_READ_REG(hw, E1000_GCR);
|
|
reg_data |= E1000_GCR_L1_ACT_WITHOUT_L0S_RX;
|
|
E1000_WRITE_REG(hw, E1000_GCR, reg_data);
|
|
}
|
|
|
|
/*
|
|
* Clear all of the statistics registers (clear on read). It is
|
|
* important that we do this after we have tried to establish link
|
|
* because the symbol error count will increment wildly if there
|
|
* is no link.
|
|
*/
|
|
e1000_clear_hw_cntrs_82571(hw);
|
|
|
|
return ret_val;
|
|
}
|
|
|
|
/**
|
|
* e1000_initialize_hw_bits_82571 - Initialize hardware-dependent bits
|
|
* @hw: pointer to the HW structure
|
|
*
|
|
* Initializes required hardware-dependent bits needed for normal operation.
|
|
**/
|
|
static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw)
|
|
{
|
|
u32 reg;
|
|
|
|
DEBUGFUNC("e1000_initialize_hw_bits_82571");
|
|
|
|
if (hw->mac.disable_hw_init_bits)
|
|
goto out;
|
|
|
|
/* Transmit Descriptor Control 0 */
|
|
reg = E1000_READ_REG(hw, E1000_TXDCTL(0));
|
|
reg |= (1 << 22);
|
|
E1000_WRITE_REG(hw, E1000_TXDCTL(0), reg);
|
|
|
|
/* Transmit Descriptor Control 1 */
|
|
reg = E1000_READ_REG(hw, E1000_TXDCTL(1));
|
|
reg |= (1 << 22);
|
|
E1000_WRITE_REG(hw, E1000_TXDCTL(1), reg);
|
|
|
|
/* Transmit Arbitration Control 0 */
|
|
reg = E1000_READ_REG(hw, E1000_TARC(0));
|
|
reg &= ~(0xF << 27); /* 30:27 */
|
|
switch (hw->mac.type) {
|
|
case e1000_82571:
|
|
case e1000_82572:
|
|
reg |= (1 << 23) | (1 << 24) | (1 << 25) | (1 << 26);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
E1000_WRITE_REG(hw, E1000_TARC(0), reg);
|
|
|
|
/* Transmit Arbitration Control 1 */
|
|
reg = E1000_READ_REG(hw, E1000_TARC(1));
|
|
switch (hw->mac.type) {
|
|
case e1000_82571:
|
|
case e1000_82572:
|
|
reg &= ~((1 << 29) | (1 << 30));
|
|
reg |= (1 << 22) | (1 << 24) | (1 << 25) | (1 << 26);
|
|
if (E1000_READ_REG(hw, E1000_TCTL) & E1000_TCTL_MULR)
|
|
reg &= ~(1 << 28);
|
|
else
|
|
reg |= (1 << 28);
|
|
E1000_WRITE_REG(hw, E1000_TARC(1), reg);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/* Device Control */
|
|
if (hw->mac.type == e1000_82573) {
|
|
reg = E1000_READ_REG(hw, E1000_CTRL);
|
|
reg &= ~(1 << 29);
|
|
E1000_WRITE_REG(hw, E1000_CTRL, reg);
|
|
}
|
|
|
|
/* Extended Device Control */
|
|
if (hw->mac.type == e1000_82573) {
|
|
reg = E1000_READ_REG(hw, E1000_CTRL_EXT);
|
|
reg &= ~(1 << 23);
|
|
reg |= (1 << 22);
|
|
E1000_WRITE_REG(hw, E1000_CTRL_EXT, reg);
|
|
}
|
|
|
|
out:
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* e1000_clear_vfta_82571 - Clear VLAN filter table
|
|
* @hw: pointer to the HW structure
|
|
*
|
|
* Clears the register array which contains the VLAN filter table by
|
|
* setting all the values to 0.
|
|
**/
|
|
STATIC void e1000_clear_vfta_82571(struct e1000_hw *hw)
|
|
{
|
|
u32 offset;
|
|
u32 vfta_value = 0;
|
|
u32 vfta_offset = 0;
|
|
u32 vfta_bit_in_reg = 0;
|
|
|
|
DEBUGFUNC("e1000_clear_vfta_82571");
|
|
|
|
if (hw->mac.type == e1000_82573) {
|
|
if (hw->mng_cookie.vlan_id != 0) {
|
|
/*
|
|
* The VFTA is a 4096b bit-field, each identifying
|
|
* a single VLAN ID. The following operations
|
|
* determine which 32b entry (i.e. offset) into the
|
|
* array we want to set the VLAN ID (i.e. bit) of
|
|
* the manageability unit.
|
|
*/
|
|
vfta_offset = (hw->mng_cookie.vlan_id >>
|
|
E1000_VFTA_ENTRY_SHIFT) &
|
|
E1000_VFTA_ENTRY_MASK;
|
|
vfta_bit_in_reg = 1 << (hw->mng_cookie.vlan_id &
|
|
E1000_VFTA_ENTRY_BIT_SHIFT_MASK);
|
|
}
|
|
}
|
|
for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) {
|
|
/*
|
|
* If the offset we want to clear is the same offset of the
|
|
* manageability VLAN ID, then clear all bits except that of
|
|
* the manageability unit.
|
|
*/
|
|
vfta_value = (offset == vfta_offset) ? vfta_bit_in_reg : 0;
|
|
E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, offset, vfta_value);
|
|
E1000_WRITE_FLUSH(hw);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* e1000_update_mc_addr_list_82571 - Update Multicast addresses
|
|
* @hw: pointer to the HW structure
|
|
* @mc_addr_list: array of multicast addresses to program
|
|
* @mc_addr_count: number of multicast addresses to program
|
|
* @rar_used_count: the first RAR register free to program
|
|
* @rar_count: total number of supported Receive Address Registers
|
|
*
|
|
* Updates the Receive Address Registers and Multicast Table Array.
|
|
* The caller must have a packed mc_addr_list of multicast addresses.
|
|
* The parameter rar_count will usually be hw->mac.rar_entry_count
|
|
* unless there are workarounds that change this.
|
|
**/
|
|
STATIC void e1000_update_mc_addr_list_82571(struct e1000_hw *hw,
|
|
u8 *mc_addr_list, u32 mc_addr_count,
|
|
u32 rar_used_count, u32 rar_count)
|
|
{
|
|
DEBUGFUNC("e1000_update_mc_addr_list_82571");
|
|
|
|
if (e1000_get_laa_state_82571(hw))
|
|
rar_count--;
|
|
|
|
e1000_update_mc_addr_list_generic(hw, mc_addr_list, mc_addr_count,
|
|
rar_used_count, rar_count);
|
|
}
|
|
|
|
/**
|
|
* e1000_setup_link_82571 - Setup flow control and link settings
|
|
* @hw: pointer to the HW structure
|
|
*
|
|
* Determines which flow control settings to use, then configures flow
|
|
* control. Calls the appropriate media-specific link configuration
|
|
* function. Assuming the adapter has a valid link partner, a valid link
|
|
* should be established. Assumes the hardware has previously been reset
|
|
* and the transmitter and receiver are not enabled.
|
|
**/
|
|
STATIC s32 e1000_setup_link_82571(struct e1000_hw *hw)
|
|
{
|
|
DEBUGFUNC("e1000_setup_link_82571");
|
|
|
|
/*
|
|
* 82573 does not have a word in the NVM to determine
|
|
* the default flow control setting, so we explicitly
|
|
* set it to full.
|
|
*/
|
|
if (hw->mac.type == e1000_82573)
|
|
hw->fc.type = e1000_fc_full;
|
|
|
|
return e1000_setup_link_generic(hw);
|
|
}
|
|
|
|
/**
|
|
* e1000_setup_copper_link_82571 - Configure copper link settings
|
|
* @hw: pointer to the HW structure
|
|
*
|
|
* Configures the link for auto-neg or forced speed and duplex. Then we check
|
|
* for link, once link is established calls to configure collision distance
|
|
* and flow control are called.
|
|
**/
|
|
STATIC s32 e1000_setup_copper_link_82571(struct e1000_hw *hw)
|
|
{
|
|
u32 ctrl, led_ctrl;
|
|
s32 ret_val;
|
|
|
|
DEBUGFUNC("e1000_setup_copper_link_82571");
|
|
|
|
ctrl = E1000_READ_REG(hw, E1000_CTRL);
|
|
ctrl |= E1000_CTRL_SLU;
|
|
ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
|
|
E1000_WRITE_REG(hw, E1000_CTRL, ctrl);
|
|
|
|
switch (hw->phy.type) {
|
|
case e1000_phy_m88:
|
|
ret_val = e1000_copper_link_setup_m88(hw);
|
|
break;
|
|
case e1000_phy_igp_2:
|
|
ret_val = e1000_copper_link_setup_igp(hw);
|
|
/* Setup activity LED */
|
|
led_ctrl = E1000_READ_REG(hw, E1000_LEDCTL);
|
|
led_ctrl &= IGP_ACTIVITY_LED_MASK;
|
|
led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
|
|
E1000_WRITE_REG(hw, E1000_LEDCTL, led_ctrl);
|
|
break;
|
|
default:
|
|
ret_val = -E1000_ERR_PHY;
|
|
break;
|
|
}
|
|
|
|
if (ret_val)
|
|
goto out;
|
|
|
|
ret_val = e1000_setup_copper_link_generic(hw);
|
|
|
|
out:
|
|
return ret_val;
|
|
}
|
|
|
|
/**
|
|
* e1000_setup_fiber_serdes_link_82571 - Setup link for fiber/serdes
|
|
* @hw: pointer to the HW structure
|
|
*
|
|
* Configures collision distance and flow control for fiber and serdes links.
|
|
* Upon successful setup, poll for link.
|
|
**/
|
|
STATIC s32 e1000_setup_fiber_serdes_link_82571(struct e1000_hw *hw)
|
|
{
|
|
DEBUGFUNC("e1000_setup_fiber_serdes_link_82571");
|
|
|
|
switch (hw->mac.type) {
|
|
case e1000_82571:
|
|
case e1000_82572:
|
|
/*
|
|
* If SerDes loopback mode is entered, there is no form
|
|
* of reset to take the adapter out of that mode. So we
|
|
* have to explicitly take the adapter out of loopback
|
|
* mode. This prevents drivers from twidling their thumbs
|
|
* if another tool failed to take it out of loopback mode.
|
|
*/
|
|
E1000_WRITE_REG(hw, E1000_SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return e1000_setup_fiber_serdes_link_generic(hw);
|
|
}
|
|
|
|
/**
|
|
* e1000_valid_led_default_82571 - Verify a valid default LED config
|
|
* @hw: pointer to the HW structure
|
|
* @data: pointer to the NVM (EEPROM)
|
|
*
|
|
* Read the EEPROM for the current default LED configuration. If the
|
|
* LED configuration is not valid, set to a valid LED configuration.
|
|
**/
|
|
STATIC s32 e1000_valid_led_default_82571(struct e1000_hw *hw, u16 *data)
|
|
{
|
|
s32 ret_val;
|
|
|
|
DEBUGFUNC("e1000_valid_led_default_82571");
|
|
|
|
ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data);
|
|
if (ret_val) {
|
|
DEBUGOUT("NVM Read Error\n");
|
|
goto out;
|
|
}
|
|
|
|
if (hw->mac.type == e1000_82573 &&
|
|
*data == ID_LED_RESERVED_F746)
|
|
*data = ID_LED_DEFAULT_82573;
|
|
else if (*data == ID_LED_RESERVED_0000 ||
|
|
*data == ID_LED_RESERVED_FFFF)
|
|
*data = ID_LED_DEFAULT;
|
|
out:
|
|
return ret_val;
|
|
}
|
|
|
|
/**
|
|
* e1000_get_laa_state_82571 - Get locally administered address state
|
|
* @hw: pointer to the HW structure
|
|
*
|
|
* Retrieve and return the current locally administed address state.
|
|
**/
|
|
bool e1000_get_laa_state_82571(struct e1000_hw *hw)
|
|
{
|
|
struct e1000_dev_spec_82571 *dev_spec;
|
|
bool state = FALSE;
|
|
|
|
DEBUGFUNC("e1000_get_laa_state_82571");
|
|
|
|
if (hw->mac.type != e1000_82571)
|
|
goto out;
|
|
|
|
dev_spec = (struct e1000_dev_spec_82571 *)hw->dev_spec;
|
|
|
|
state = dev_spec->laa_is_present;
|
|
|
|
out:
|
|
return state;
|
|
}
|
|
|
|
/**
|
|
* e1000_set_laa_state_82571 - Set locally administered address state
|
|
* @hw: pointer to the HW structure
|
|
* @state: enable/disable locally administered address
|
|
*
|
|
* Enable/Disable the current locally administed address state.
|
|
**/
|
|
void e1000_set_laa_state_82571(struct e1000_hw *hw, bool state)
|
|
{
|
|
struct e1000_dev_spec_82571 *dev_spec;
|
|
|
|
DEBUGFUNC("e1000_set_laa_state_82571");
|
|
|
|
if (hw->mac.type != e1000_82571)
|
|
goto out;
|
|
|
|
dev_spec = (struct e1000_dev_spec_82571 *)hw->dev_spec;
|
|
|
|
dev_spec->laa_is_present = state;
|
|
|
|
/* If workaround is activated... */
|
|
if (state) {
|
|
/*
|
|
* Hold a copy of the LAA in RAR[14] This is done so that
|
|
* between the time RAR[0] gets clobbered and the time it
|
|
* gets fixed, the actual LAA is in one of the RARs and no
|
|
* incoming packets directed to this port are dropped.
|
|
* Eventually the LAA will be in RAR[0] and RAR[14].
|
|
*/
|
|
e1000_rar_set_generic(hw, hw->mac.addr,
|
|
hw->mac.rar_entry_count - 1);
|
|
}
|
|
|
|
out:
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* e1000_fix_nvm_checksum_82571 - Fix EEPROM checksum
|
|
* @hw: pointer to the HW structure
|
|
*
|
|
* Verifies that the EEPROM has completed the update. After updating the
|
|
* EEPROM, we need to check bit 15 in work 0x23 for the checksum fix. If
|
|
* the checksum fix is not implemented, we need to set the bit and update
|
|
* the checksum. Otherwise, if bit 15 is set and the checksum is incorrect,
|
|
* we need to return bad checksum.
|
|
**/
|
|
static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw)
|
|
{
|
|
struct e1000_nvm_info *nvm = &hw->nvm;
|
|
s32 ret_val = E1000_SUCCESS;
|
|
u16 data;
|
|
|
|
DEBUGFUNC("e1000_fix_nvm_checksum_82571");
|
|
|
|
if (nvm->type != e1000_nvm_flash_hw)
|
|
goto out;
|
|
|
|
/*
|
|
* Check bit 4 of word 10h. If it is 0, firmware is done updating
|
|
* 10h-12h. Checksum may need to be fixed.
|
|
*/
|
|
ret_val = e1000_read_nvm(hw, 0x10, 1, &data);
|
|
if (ret_val)
|
|
goto out;
|
|
|
|
if (!(data & 0x10)) {
|
|
/*
|
|
* Read 0x23 and check bit 15. This bit is a 1
|
|
* when the checksum has already been fixed. If
|
|
* the checksum is still wrong and this bit is a
|
|
* 1, we need to return bad checksum. Otherwise,
|
|
* we need to set this bit to a 1 and update the
|
|
* checksum.
|
|
*/
|
|
ret_val = e1000_read_nvm(hw, 0x23, 1, &data);
|
|
if (ret_val)
|
|
goto out;
|
|
|
|
if (!(data & 0x8000)) {
|
|
data |= 0x8000;
|
|
ret_val = e1000_write_nvm(hw, 0x23, 1, &data);
|
|
if (ret_val)
|
|
goto out;
|
|
ret_val = e1000_update_nvm_checksum(hw);
|
|
}
|
|
}
|
|
|
|
out:
|
|
return ret_val;
|
|
}
|
|
|
|
/**
|
|
* e1000_read_mac_addr_82571 - Read device MAC address
|
|
* @hw: pointer to the HW structure
|
|
**/
|
|
STATIC s32 e1000_read_mac_addr_82571(struct e1000_hw *hw)
|
|
{
|
|
s32 ret_val = E1000_SUCCESS;
|
|
|
|
DEBUGFUNC("e1000_read_mac_addr_82571");
|
|
if (e1000_check_alt_mac_addr_generic(hw))
|
|
ret_val = e1000_read_mac_addr_generic(hw);
|
|
|
|
return ret_val;
|
|
}
|
|
|
|
/**
|
|
* e1000_power_down_phy_copper_82571 - Remove link during PHY power down
|
|
* @hw: pointer to the HW structure
|
|
*
|
|
* In the case of a PHY power down to save power, or to turn off link during a
|
|
* driver unload, or wake on lan is not enabled, remove the link.
|
|
**/
|
|
STATIC void e1000_power_down_phy_copper_82571(struct e1000_hw *hw)
|
|
{
|
|
/* If the management interface is not enabled, then power down */
|
|
if (!(e1000_check_mng_mode(hw) || e1000_check_reset_block(hw)))
|
|
e1000_power_down_phy_copper(hw);
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* e1000_clear_hw_cntrs_82571 - Clear device specific hardware counters
|
|
* @hw: pointer to the HW structure
|
|
*
|
|
* Clears the hardware counters by reading the counter registers.
|
|
**/
|
|
STATIC void e1000_clear_hw_cntrs_82571(struct e1000_hw *hw)
|
|
{
|
|
volatile u32 temp;
|
|
|
|
DEBUGFUNC("e1000_clear_hw_cntrs_82571");
|
|
|
|
e1000_clear_hw_cntrs_base_generic(hw);
|
|
temp = E1000_READ_REG(hw, E1000_PRC64);
|
|
temp = E1000_READ_REG(hw, E1000_PRC127);
|
|
temp = E1000_READ_REG(hw, E1000_PRC255);
|
|
temp = E1000_READ_REG(hw, E1000_PRC511);
|
|
temp = E1000_READ_REG(hw, E1000_PRC1023);
|
|
temp = E1000_READ_REG(hw, E1000_PRC1522);
|
|
temp = E1000_READ_REG(hw, E1000_PTC64);
|
|
temp = E1000_READ_REG(hw, E1000_PTC127);
|
|
temp = E1000_READ_REG(hw, E1000_PTC255);
|
|
temp = E1000_READ_REG(hw, E1000_PTC511);
|
|
temp = E1000_READ_REG(hw, E1000_PTC1023);
|
|
temp = E1000_READ_REG(hw, E1000_PTC1522);
|
|
|
|
temp = E1000_READ_REG(hw, E1000_ALGNERRC);
|
|
temp = E1000_READ_REG(hw, E1000_RXERRC);
|
|
temp = E1000_READ_REG(hw, E1000_TNCRS);
|
|
temp = E1000_READ_REG(hw, E1000_CEXTERR);
|
|
temp = E1000_READ_REG(hw, E1000_TSCTC);
|
|
temp = E1000_READ_REG(hw, E1000_TSCTFC);
|
|
|
|
temp = E1000_READ_REG(hw, E1000_MGTPRC);
|
|
temp = E1000_READ_REG(hw, E1000_MGTPDC);
|
|
temp = E1000_READ_REG(hw, E1000_MGTPTC);
|
|
|
|
temp = E1000_READ_REG(hw, E1000_IAC);
|
|
temp = E1000_READ_REG(hw, E1000_ICRXOC);
|
|
|
|
temp = E1000_READ_REG(hw, E1000_ICRXPTC);
|
|
temp = E1000_READ_REG(hw, E1000_ICRXATC);
|
|
temp = E1000_READ_REG(hw, E1000_ICTXPTC);
|
|
temp = E1000_READ_REG(hw, E1000_ICTXATC);
|
|
temp = E1000_READ_REG(hw, E1000_ICTXQEC);
|
|
temp = E1000_READ_REG(hw, E1000_ICTXQMTC);
|
|
temp = E1000_READ_REG(hw, E1000_ICRXDMTC);
|
|
}
|