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Message-Id: <20070329164028.6595.87603.stgit@localhost.localdomain>
Date: Thu, 29 Mar 2007 09:40:29 -0700
From: Auke Kok <auke-jan.h.kok@...el.com>
To: jeff@...zik.org
Cc: auke-jan.h.kok@...el.com, bruce.w.allan@...el.com,
jeffrey.t.kirsher@...el.com, jesse.brandeburg@...el.com,
cramerj@...el.com, john.ronciak@...el.com,
arjan.van.de.ven@...el.com, akpm@...ux-foundation.org,
netdev@...r.kernel.org
Subject: [PATCH 15/19] e1000: Add ICH8 lan specific hardware code.
From: Jeb Cramer <cramerj@...el.com>
Adapter-specific code for the ich8lan.
Signed-off-by: Jeb Cramer <cramerj@...el.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@...el.com>
---
drivers/net/e1000/e1000_ich8lan.c | 2443 +++++++++++++++++++++++++++++++++++++
drivers/net/e1000/e1000_ich8lan.h | 110 ++
2 files changed, 2553 insertions(+), 0 deletions(-)
diff --git a/drivers/net/e1000/e1000_ich8lan.c b/drivers/net/e1000/e1000_ich8lan.c
new file mode 100644
index 0000000..4c6761d
--- /dev/null
+++ b/drivers/net/e1000/e1000_ich8lan.c
@@ -0,0 +1,2443 @@
+/*******************************************************************************
+
+ Intel PRO/1000 Linux driver
+ Copyright(c) 1999 - 2007 Intel Corporation.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms and conditions of the GNU General Public License,
+ version 2, as published by the Free Software Foundation.
+
+ This program is distributed in the hope it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ more details.
+
+ You should have received a copy of the GNU General Public License along with
+ this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+ The full GNU General Public License is included in this distribution in
+ the file called "COPYING".
+
+ Contact Information:
+ Linux NICS <linux.nics@...el.com>
+ e1000-devel Mailing List <e1000-devel@...ts.sourceforge.net>
+ Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+/* e1000_ich8lan
+ * e1000_ich9lan
+ */
+
+#include "e1000_ich8lan.h"
+
+void e1000_init_function_pointers_ich8lan(struct e1000_hw *hw);
+
+static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw);
+static s32 e1000_init_nvm_params_ich8lan(struct e1000_hw *hw);
+static s32 e1000_init_mac_params_ich8lan(struct e1000_hw *hw);
+static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw);
+static void e1000_release_swflag_ich8lan(struct e1000_hw *hw);
+static boolean_t e1000_check_mng_mode_ich8lan(struct e1000_hw *hw);
+static s32 e1000_check_polarity_ife_ich8lan(struct e1000_hw *hw);
+static s32 e1000_check_reset_block_ich8lan(struct e1000_hw *hw);
+static s32 e1000_phy_force_speed_duplex_ich8lan(struct e1000_hw *hw);
+static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw);
+static s32 e1000_get_phy_info_ich8lan(struct e1000_hw *hw);
+static s32 e1000_set_d0_lplu_state_ich8lan(struct e1000_hw *hw,
+ boolean_t active);
+static s32 e1000_set_d3_lplu_state_ich8lan(struct e1000_hw *hw,
+ boolean_t active);
+static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset,
+ u16 words, u16 *data);
+static s32 e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset,
+ u16 words, u16 *data);
+static s32 e1000_validate_nvm_checksum_ich8lan(struct e1000_hw *hw);
+static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw);
+static s32 e1000_valid_led_default_ich8lan(struct e1000_hw *hw,
+ u16 *data);
+static s32 e1000_get_bus_info_ich8lan(struct e1000_hw *hw);
+static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw);
+static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw);
+static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw);
+static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw);
+static s32 e1000_get_link_up_info_ich8lan(struct e1000_hw *hw,
+ u16 *speed, u16 *duplex);
+static s32 e1000_cleanup_led_ich8lan(struct e1000_hw *hw);
+static s32 e1000_led_on_ich8lan(struct e1000_hw *hw);
+static s32 e1000_led_off_ich8lan(struct e1000_hw *hw);
+static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw);
+static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank);
+static s32 e1000_flash_cycle_ich8lan(struct e1000_hw *hw, u32 timeout);
+static s32 e1000_flash_cycle_init_ich8lan(struct e1000_hw *hw);
+static s32 e1000_get_phy_info_ife_ich8lan(struct e1000_hw *hw);
+static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw);
+static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw);
+static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
+ u8 size, u16* data);
+static s32 e1000_read_flash_word_ich8lan(struct e1000_hw *hw,
+ u32 offset, u16 *data);
+static s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw,
+ u32 offset, u8 byte);
+static s32 e1000_write_flash_byte_ich8lan(struct e1000_hw *hw,
+ u32 offset, u8 data);
+static s32 e1000_write_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
+ u8 size, u16 data);
+
+/* ICH GbE Flash Hardware Sequencing Flash Status Register bit breakdown */
+/* Offset 04h HSFSTS */
+union ich8_hws_flash_status {
+ struct ich8_hsfsts {
+ u16 flcdone :1; /* bit 0 Flash Cycle Done */
+ u16 flcerr :1; /* bit 1 Flash Cycle Error */
+ u16 dael :1; /* bit 2 Direct Access error Log */
+ u16 berasesz :2; /* bit 4:3 Sector Erase Size */
+ u16 flcinprog :1; /* bit 5 flash cycle in Progress */
+ u16 reserved1 :2; /* bit 13:6 Reserved */
+ u16 reserved2 :6; /* bit 13:6 Reserved */
+ u16 fldesvalid :1; /* bit 14 Flash Descriptor Valid */
+ u16 flockdn :1; /* bit 15 Flash Config Lock-Down */
+ } hsf_status;
+ u16 regval;
+};
+
+/* ICH GbE Flash Hardware Sequencing Flash control Register bit breakdown */
+/* Offset 06h FLCTL */
+union ich8_hws_flash_ctrl {
+ struct ich8_hsflctl {
+ u16 flcgo :1; /* 0 Flash Cycle Go */
+ u16 flcycle :2; /* 2:1 Flash Cycle */
+ u16 reserved :5; /* 7:3 Reserved */
+ u16 fldbcount :2; /* 9:8 Flash Data Byte Count */
+ u16 flockdn :6; /* 15:10 Reserved */
+ } hsf_ctrl;
+ u16 regval;
+};
+
+/* ICH Flash Region Access Permissions */
+union ich8_hws_flash_regacc {
+ struct ich8_flracc {
+ u32 grra :8; /* 0:7 GbE region Read Access */
+ u32 grwa :8; /* 8:15 GbE region Write Access */
+ u32 gmrag :8; /* 23:16 GbE Master Read Access Grant */
+ u32 gmwag :8; /* 31:24 GbE Master Write Access Grant */
+ } hsf_flregacc;
+ u16 regval;
+};
+
+struct e1000_shadow_ram {
+ u16 value;
+ boolean_t modified;
+};
+
+struct e1000_dev_spec_ich8lan {
+ boolean_t kmrn_lock_loss_workaround_enabled;
+ struct e1000_shadow_ram shadow_ram[E1000_SHADOW_RAM_WORDS];
+};
+
+/**
+ * e1000_init_phy_params_ich8lan - Initialize PHY function pointers
+ * @hw: pointer to the HW structure
+ *
+ * Initialize family-specific PHY parameters and function pointers.
+ **/
+static s32
+e1000_init_phy_params_ich8lan(struct e1000_hw *hw)
+{
+ struct e1000_phy_info *phy = &hw->phy;
+ struct e1000_functions *func = &hw->func;
+ s32 ret_val = E1000_SUCCESS;
+
+ DEBUGFUNC("e1000_init_phy_params_ich8lan");
+
+ phy->addr = 1;
+ phy->reset_delay_us = 100;
+
+ func->acquire_phy = e1000_acquire_swflag_ich8lan;
+ func->check_polarity = e1000_check_polarity_ife_ich8lan;
+ func->check_reset_block = e1000_check_reset_block_ich8lan;
+ func->force_speed_duplex = e1000_phy_force_speed_duplex_ich8lan;
+ func->get_cable_length = e1000_get_cable_length_igp_2;
+ func->get_cfg_done = e1000_get_cfg_done_generic;
+ func->get_phy_info = e1000_get_phy_info_ich8lan;
+ func->read_phy_reg = e1000_read_phy_reg_igp;
+ func->release_phy = e1000_release_swflag_ich8lan;
+ func->reset_phy = e1000_phy_hw_reset_ich8lan;
+ func->set_d0_lplu_state = e1000_set_d0_lplu_state_ich8lan;
+ func->set_d3_lplu_state = e1000_set_d3_lplu_state_ich8lan;
+ func->write_phy_reg = e1000_write_phy_reg_igp;
+
+ ret_val = e1000_get_phy_id(hw);
+ if (ret_val)
+ goto out;
+
+ /* Verify phy id */
+ switch (phy->id) {
+ case IGP03E1000_E_PHY_ID:
+ phy->type = e1000_phy_igp_3;
+ phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
+ break;
+ case IFE_E_PHY_ID:
+ case IFE_PLUS_E_PHY_ID:
+ case IFE_C_E_PHY_ID:
+ phy->type = e1000_phy_ife;
+ phy->autoneg_mask = E1000_ALL_NOT_GIG;
+ break;
+ default:
+ ret_val = -E1000_ERR_PHY;
+ goto out;
+ }
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_init_nvm_params_ich8lan - Initialize NVM function pointers
+ * @hw: pointer to the HW structure
+ *
+ * Initialize family-specific NVM parameters and function
+ * pointers.
+ **/
+static s32
+e1000_init_nvm_params_ich8lan(struct e1000_hw *hw)
+{
+ struct e1000_nvm_info *nvm = &hw->nvm;
+ struct e1000_functions *func = &hw->func;
+ struct e1000_dev_spec_ich8lan *dev_spec;
+ u32 gfpreg, sector_base_addr, sector_end_addr;
+ s32 ret_val = E1000_SUCCESS;
+ u16 i;
+
+ DEBUGFUNC("e1000_init_nvm_params_ich8lan");
+
+ /* Can't read flash registers if the register set isn't mapped.
+ */
+ if (!hw->flash_address) {
+ DEBUGOUT("ERROR: Flash registers not mapped\n");
+ ret_val = -E1000_ERR_CONFIG;
+ goto out;
+ }
+
+ nvm->type = e1000_nvm_flash_sw;
+
+ gfpreg = E1000_READ_FLASH_REG(hw, ICH_FLASH_GFPREG);
+
+ /* sector_X_addr is a "sector"-aligned address (4096 bytes)
+ * Add 1 to sector_end_addr since this sector is included in
+ * the overall size. */
+ sector_base_addr = gfpreg & FLASH_GFPREG_BASE_MASK;
+ sector_end_addr = ((gfpreg >> 16) & FLASH_GFPREG_BASE_MASK) + 1;
+
+ /* flash_base_addr is byte-aligned */
+ nvm->flash_base_addr = sector_base_addr << FLASH_SECTOR_ADDR_SHIFT;
+
+ /* find total size of the NVM, then cut in half since the total
+ * size represents two separate NVM banks. */
+ nvm->flash_bank_size = (sector_end_addr - sector_base_addr)
+ << FLASH_SECTOR_ADDR_SHIFT;
+ nvm->flash_bank_size /= 2;
+ /* Adjust to word count */
+ nvm->flash_bank_size /= sizeof(u16);
+
+ nvm->word_size = E1000_SHADOW_RAM_WORDS;
+
+ dev_spec = (struct e1000_dev_spec_ich8lan *)hw->dev_spec;
+
+ if (dev_spec == NULL) {
+ DEBUGOUT("dev_spec pointer is set to NULL.\n");
+ ret_val = -E1000_ERR_CONFIG;
+ goto out;
+ }
+
+ /* Clear shadow ram */
+ for (i = 0; i < nvm->word_size; i++) {
+ dev_spec->shadow_ram[i].modified = FALSE;
+ dev_spec->shadow_ram[i].value = 0xFFFF;
+ }
+
+ /* Function Pointers */
+ func->acquire_nvm = e1000_acquire_swflag_ich8lan;
+ func->read_nvm = e1000_read_nvm_ich8lan;
+ func->release_nvm = e1000_release_swflag_ich8lan;
+ func->update_nvm = e1000_update_nvm_checksum_ich8lan;
+ func->valid_led_default = e1000_valid_led_default_ich8lan;
+ func->validate_nvm = e1000_validate_nvm_checksum_ich8lan;
+ func->write_nvm = e1000_write_nvm_ich8lan;
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_init_mac_params_ich8lan - Initialize MAC function pointers
+ * @hw: pointer to the HW structure
+ *
+ * Initialize family-specific MAC parameters and function
+ * pointers.
+ **/
+static s32
+e1000_init_mac_params_ich8lan(struct e1000_hw *hw)
+{
+ struct e1000_mac_info *mac = &hw->mac;
+ struct e1000_functions *func = &hw->func;
+ s32 ret_val = E1000_SUCCESS;
+
+ DEBUGFUNC("e1000_init_mac_params_ich8lan");
+
+ /* Set media type function pointer */
+ hw->media_type = e1000_media_type_copper;
+
+ /* Set mta register count */
+ mac->mta_reg_count = 32;
+ /* Set rar entry count */
+ mac->rar_entry_count = E1000_ICH_RAR_ENTRIES;
+ if (mac->type == e1000_ich8lan)
+ mac->rar_entry_count--;
+ /* Set if part includes ASF firmware */
+ mac->asf_firmware_present = TRUE;
+ /* Set if manageability features are enabled. */
+ mac->arc_subsystem_valid = TRUE;
+
+ /* Function pointers */
+
+ /* bus type/speed/width */
+ func->get_bus_info = e1000_get_bus_info_ich8lan;
+ /* reset */
+ func->reset_hw = e1000_reset_hw_ich8lan;
+ /* hw initialization */
+ func->init_hw = e1000_init_hw_ich8lan;
+ /* link setup */
+ func->setup_link = e1000_setup_link_ich8lan;
+ /* physical interface setup */
+ func->setup_physical_interface = e1000_setup_copper_link_ich8lan;
+ /* check for link */
+ func->check_for_link = e1000_check_for_copper_link_generic;
+ /* check management mode */
+ func->check_mng_mode = e1000_check_mng_mode_ich8lan;
+ /* link info */
+ func->get_link_up_info = e1000_get_link_up_info_ich8lan;
+ /* multicast address update */
+ func->mc_addr_list_update = e1000_mc_addr_list_update_generic;
+ /* setting MTA */
+ func->mta_set = e1000_mta_set_generic;
+ /* blink LED */
+ func->blink_led = e1000_blink_led_generic;
+ /* setup LED */
+ func->setup_led = e1000_setup_led_generic;
+ /* cleanup LED */
+ func->cleanup_led = e1000_cleanup_led_ich8lan;
+ /* turn on/off LED */
+ func->led_on = e1000_led_on_ich8lan;
+ func->led_off = e1000_led_off_ich8lan;
+ /* remove device */
+ func->remove_device = e1000_remove_device_generic;
+ /* clear hardware counters */
+ func->clear_hw_cntrs = e1000_clear_hw_cntrs_ich8lan;
+
+ hw->dev_spec_size = sizeof(struct e1000_dev_spec_ich8lan);
+
+ /* Device-specific structure allocation */
+ ret_val = e1000_alloc_zeroed_dev_spec_struct(hw, hw->dev_spec_size);
+ if (ret_val)
+ goto out;
+
+ /* Enable PCS Lock-loss workaround for ICH8 */
+ if (mac->type == e1000_ich8lan)
+ e1000_set_kmrn_lock_loss_workaround_ich8lan(hw, TRUE);
+
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_init_function_pointers_ich8lan - Initialize ICH8 function pointers
+ * @hw: pointer to the HW structure
+ *
+ * Initialize family-specific function pointers for PHY, MAC, and NVM.
+ **/
+void
+e1000_init_function_pointers_ich8lan(struct e1000_hw *hw)
+{
+ DEBUGFUNC("e1000_init_function_pointers_ich8lan");
+
+ hw->func.init_mac_params = e1000_init_mac_params_ich8lan;
+ hw->func.init_nvm_params = e1000_init_nvm_params_ich8lan;
+ hw->func.init_phy_params = e1000_init_phy_params_ich8lan;
+}
+
+/**
+ * e1000_acquire_swflag_ich8lan - Acquire software control flag
+ * @hw: pointer to the HW structure
+ *
+ * Acquires the software control flag for performing NVM and PHY
+ * operations. This is a function pointer entry point only called by
+ * read/write routines for the PHY and NVM parts.
+ **/
+static s32
+e1000_acquire_swflag_ich8lan(struct e1000_hw *hw)
+{
+ u32 extcnf_ctrl, timeout = PHY_CFG_TIMEOUT;
+ s32 ret_val = E1000_SUCCESS;
+
+ DEBUGFUNC("e1000_acquire_swflag_ich8lan");
+
+ while (timeout) {
+ extcnf_ctrl = E1000_READ_REG(hw, E1000_EXTCNF_CTRL);
+ extcnf_ctrl |= E1000_EXTCNF_CTRL_SWFLAG;
+ E1000_WRITE_REG(hw, E1000_EXTCNF_CTRL, extcnf_ctrl);
+
+ extcnf_ctrl = E1000_READ_REG(hw, E1000_EXTCNF_CTRL);
+ if (extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG)
+ break;
+ mdelay(1);
+ timeout--;
+ }
+
+ if (!timeout) {
+ DEBUGOUT("FW or HW has locked the resource for too long.\n");
+ ret_val = -E1000_ERR_CONFIG;
+ goto out;
+ }
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_release_swflag_ich8lan - Release software control flag
+ * @hw: pointer to the HW structure
+ *
+ * Releases the software control flag for performing NVM and PHY operations.
+ * This is a function pointer entry point only called by read/write
+ * routines for the PHY and NVM parts.
+ **/
+static void
+e1000_release_swflag_ich8lan(struct e1000_hw *hw)
+{
+ u32 extcnf_ctrl;
+
+ DEBUGFUNC("e1000_release_swflag_ich8lan");
+
+ extcnf_ctrl = E1000_READ_REG(hw, E1000_EXTCNF_CTRL);
+ extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG;
+ E1000_WRITE_REG(hw, E1000_EXTCNF_CTRL, extcnf_ctrl);
+
+ return;
+}
+
+/**
+ * e1000_check_mng_mode_ich8lan - Checks management mode
+ * @hw: pointer to the HW structure
+ *
+ * This checks if the adapter has manageability enabled.
+ * This is a function pointer entry point only called by read/write
+ * routines for the PHY and NVM parts.
+ **/
+static boolean_t
+e1000_check_mng_mode_ich8lan(struct e1000_hw *hw)
+{
+ u32 fwsm;
+
+ DEBUGFUNC("e1000_check_mng_mode_ich8lan");
+
+ fwsm = E1000_READ_REG(hw, E1000_FWSM);
+
+ return ((fwsm & E1000_FWSM_MODE_MASK) ==
+ (E1000_ICH_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT));
+}
+
+/**
+ * e1000_check_reset_block_ich8lan - Check if PHY reset is blocked
+ * @hw: pointer to the HW structure
+ *
+ * Checks if firmware is blocking the reset of the PHY.
+ * This is a function pointer entry point only called by
+ * reset routines.
+ **/
+static s32
+e1000_check_reset_block_ich8lan(struct e1000_hw *hw)
+{
+ u32 fwsm;
+
+ DEBUGFUNC("e1000_check_reset_block_ich8lan");
+
+ fwsm = E1000_READ_REG(hw, E1000_FWSM);
+
+ return (fwsm & E1000_ICH_FWSM_RSPCIPHY) ? E1000_SUCCESS
+ : E1000_BLK_PHY_RESET;
+}
+
+/**
+ * e1000_phy_force_speed_duplex_ich8lan - Force PHY speed & duplex
+ * @hw: pointer to the HW structure
+ *
+ * Forces the speed and duplex settings of the PHY.
+ * This is a function pointer entry point only called by
+ * PHY setup routines.
+ **/
+static s32
+e1000_phy_force_speed_duplex_ich8lan(struct e1000_hw *hw)
+{
+ struct e1000_phy_info *phy = &hw->phy;
+ s32 ret_val;
+ u16 data;
+ boolean_t link;
+
+ DEBUGFUNC("e1000_phy_force_speed_duplex_ich8lan");
+
+ if (phy->type != e1000_phy_ife) {
+ ret_val = e1000_phy_force_speed_duplex_igp(hw);
+ goto out;
+ }
+
+ ret_val = e1000_read_phy_reg(hw, PHY_CONTROL, &data);
+ if (ret_val)
+ goto out;
+
+ e1000_phy_force_speed_duplex_setup(hw, &data);
+
+ ret_val = e1000_write_phy_reg(hw, PHY_CONTROL, data);
+ if (ret_val)
+ goto out;
+
+ /* Disable MDI-X support for 10/100 */
+ ret_val = e1000_read_phy_reg(hw, IFE_PHY_MDIX_CONTROL, &data);
+ if (ret_val)
+ goto out;
+
+ data &= ~IFE_PMC_AUTO_MDIX;
+ data &= ~IFE_PMC_FORCE_MDIX;
+
+ ret_val = e1000_write_phy_reg(hw, IFE_PHY_MDIX_CONTROL, data);
+ if (ret_val)
+ goto out;
+
+ DEBUGOUT1("IFE PMC: %X\n", data);
+
+ udelay(1);
+
+ if (phy->wait_for_link) {
+ DEBUGOUT("Waiting for forced speed/duplex link on IFE phy.\n");
+
+ ret_val = e1000_phy_has_link_generic(hw,
+ PHY_FORCE_LIMIT,
+ 100000,
+ &link);
+ if (ret_val)
+ goto out;
+
+ if (!link) {
+ DEBUGOUT("Link taking longer than expected.\n");
+ }
+
+ /* Try once more */
+ ret_val = e1000_phy_has_link_generic(hw,
+ PHY_FORCE_LIMIT,
+ 100000,
+ &link);
+ if (ret_val)
+ goto out;
+ }
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_phy_hw_reset_ich8lan - Performs a PHY reset
+ * @hw: pointer to the HW structure
+ *
+ * Resets the PHY
+ * This is a function pointer entry point called by drivers
+ * or other shared routines.
+ **/
+static s32
+e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw)
+{
+ struct e1000_phy_info *phy = &hw->phy;
+ u32 i, data, cnf_size, cnf_base_addr, sw_cfg_mask;
+ s32 ret_val;
+ u16 loop = E1000_ICH8_LAN_INIT_TIMEOUT;
+ u16 word_addr, reg_data, reg_addr, phy_page = 0;
+
+ DEBUGFUNC("e1000_phy_hw_reset_ich8lan");
+
+ ret_val = e1000_phy_hw_reset_generic(hw);
+ if (ret_val)
+ goto out;
+
+ /* Initialize the PHY from the NVM on ICH platforms. This
+ * is needed due to an issue where the NVM configuration is
+ * not properly autoloaded after power transitions.
+ * Therefore, after each PHY reset, we will load the
+ * configuration data out of the NVM manually.
+ */
+ if (hw->mac.type == e1000_ich8lan && phy->type == e1000_phy_igp_3) {
+ /* Check if SW needs configure the PHY */
+ if ((hw->device_id == E1000_DEV_ID_ICH8_IGP_M_AMT) ||
+ (hw->device_id == E1000_DEV_ID_ICH8_IGP_M))
+ sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG_ICH8M;
+ else
+ sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG;
+
+ data = E1000_READ_REG(hw, E1000_FEXTNVM);
+ if (!(data & sw_cfg_mask))
+ goto out;
+
+ /* Wait for basic configuration completes before proceeding*/
+ do {
+ data = E1000_READ_REG(hw, E1000_STATUS);
+ data &= E1000_STATUS_LAN_INIT_DONE;
+ udelay(100);
+ } while ((!data) && --loop);
+
+ /* If basic configuration is incomplete before the above loop
+ * count reaches 0, loading the configuration from NVM will
+ * leave the PHY in a bad state possibly resulting in no link.
+ */
+ if (loop == 0) {
+ DEBUGOUT("LAN_INIT_DONE not set, increase timeout\n");
+ }
+
+ /* Clear the Init Done bit for the next init event */
+ data = E1000_READ_REG(hw, E1000_STATUS);
+ data &= ~E1000_STATUS_LAN_INIT_DONE;
+ E1000_WRITE_REG(hw, E1000_STATUS, data);
+
+ /* Make sure HW does not configure LCD from PHY
+ * extended configuration before SW configuration */
+ data = E1000_READ_REG(hw, E1000_EXTCNF_CTRL);
+ if (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE)
+ goto out;
+
+ cnf_size = E1000_READ_REG(hw, E1000_EXTCNF_SIZE);
+ cnf_size &= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK;
+ cnf_size >>= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT;
+ if (!cnf_size)
+ goto out;
+
+ cnf_base_addr = data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK;
+ cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT;
+
+ /* Configure LCD from extended configuration
+ * region. */
+
+ /* cnf_base_addr is in DWORD */
+ word_addr = (u16)(cnf_base_addr << 1);
+
+ for (i = 0; i < cnf_size; i++) {
+ ret_val = e1000_read_nvm(hw,
+ (word_addr + i * 2),
+ 1,
+ ®_data);
+ if (ret_val)
+ goto out;
+
+ ret_val = e1000_read_nvm(hw,
+ (word_addr + i * 2 + 1),
+ 1,
+ ®_addr);
+ if (ret_val)
+ goto out;
+
+ /* Save off the PHY page for future writes. */
+ if (reg_addr == IGP01E1000_PHY_PAGE_SELECT) {
+ phy_page = reg_data;
+ continue;
+ }
+
+ reg_addr |= phy_page;
+
+ ret_val = e1000_write_phy_reg(hw,
+ (u32)reg_addr,
+ reg_data);
+ if (ret_val)
+ goto out;
+ }
+ }
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_get_phy_info_ich8lan - Calls appropriate PHY type get_phy_info
+ * @hw: pointer to the HW structure
+ *
+ * Wrapper for calling the get_phy_info routines for the appropriate phy type.
+ * This is a function pointer entry point called by drivers
+ * or other shared routines.
+ **/
+static s32
+e1000_get_phy_info_ich8lan(struct e1000_hw *hw)
+{
+ s32 ret_val = -E1000_ERR_PHY_TYPE;
+
+ DEBUGFUNC("e1000_get_phy_info_ich8lan");
+
+ switch (hw->phy.type) {
+ case e1000_phy_ife:
+ ret_val = e1000_get_phy_info_ife_ich8lan(hw);
+ break;
+ case e1000_phy_igp_3:
+ ret_val = e1000_get_phy_info_igp(hw);
+ break;
+ default:
+ break;
+ }
+
+ return ret_val;
+}
+
+/**
+ * e1000_get_phy_info_ife_ich8lan - Retrieves various IFE PHY states
+ * @hw: pointer to the HW structure
+ *
+ * Populates "phy" structure with various feature states.
+ * This function is only called by other family-specific
+ * routines.
+ **/
+static s32
+e1000_get_phy_info_ife_ich8lan(struct e1000_hw *hw)
+{
+ struct e1000_phy_info *phy = &hw->phy;
+ s32 ret_val;
+ u16 data;
+ boolean_t link;
+
+ DEBUGFUNC("e1000_get_phy_info_ife_ich8lan");
+
+ ret_val = e1000_phy_has_link_generic(hw, 1, 0, &link);
+ if (ret_val)
+ goto out;
+
+ if (!link) {
+ DEBUGOUT("Phy info is only valid if link is up\n");
+ ret_val = -E1000_ERR_CONFIG;
+ goto out;
+ }
+
+ ret_val = e1000_read_phy_reg(hw, IFE_PHY_SPECIAL_CONTROL, &data);
+ if (ret_val)
+ goto out;
+ phy->polarity_correction = (data & IFE_PSC_AUTO_POLARITY_DISABLE)
+ ? FALSE : TRUE;
+
+ if (phy->polarity_correction) {
+ ret_val = e1000_check_polarity_ife_ich8lan(hw);
+ if (ret_val)
+ goto out;
+ } else {
+ /* Polarity is forced */
+ phy->cable_polarity = (data & IFE_PSC_FORCE_POLARITY)
+ ? e1000_rev_polarity_reversed
+ : e1000_rev_polarity_normal;
+ }
+
+ ret_val = e1000_read_phy_reg(hw, IFE_PHY_MDIX_CONTROL, &data);
+ if (ret_val)
+ goto out;
+
+ phy->is_mdix = (data & IFE_PMC_MDIX_STATUS) ? TRUE : FALSE;
+
+ /* The following parameters are undefined for 10/100 operation. */
+ phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
+ phy->local_rx = e1000_1000t_rx_status_undefined;
+ phy->remote_rx = e1000_1000t_rx_status_undefined;
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_check_polarity_ife_ich8lan - Check cable polarity for IFE PHY
+ * @hw: pointer to the HW structure
+ *
+ * Polarity is determined on the polarity reveral feature being enabled.
+ * This function is only called by other family-specific
+ * routines.
+ **/
+static s32
+e1000_check_polarity_ife_ich8lan(struct e1000_hw *hw)
+{
+ struct e1000_phy_info *phy = &hw->phy;
+ s32 ret_val;
+ u16 phy_data, offset, mask;
+
+ DEBUGFUNC("e1000_check_polarity_ife_ich8lan");
+
+ /* Polarity is determined based on the reversal feature
+ * being enabled.
+ */
+ if (phy->polarity_correction) {
+ offset = IFE_PHY_EXTENDED_STATUS_CONTROL;
+ mask = IFE_PESC_POLARITY_REVERSED;
+ } else {
+ offset = IFE_PHY_SPECIAL_CONTROL;
+ mask = IFE_PSC_FORCE_POLARITY;
+ }
+
+ ret_val = e1000_read_phy_reg(hw, offset, &phy_data);
+
+ if (!ret_val)
+ phy->cable_polarity = (phy_data & mask)
+ ? e1000_rev_polarity_reversed
+ : e1000_rev_polarity_normal;
+
+ return ret_val;
+}
+
+/**
+ * e1000_set_d0_lplu_state_ich8lan - 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_ich8lan(struct e1000_hw *hw, boolean_t active)
+{
+ struct e1000_phy_info *phy = &hw->phy;
+ u32 phy_ctrl;
+ s32 ret_val = E1000_SUCCESS;
+ u16 data;
+
+ DEBUGFUNC("e1000_set_d0_lplu_state_ich8lan");
+
+ if (phy->type != e1000_phy_igp_3)
+ goto out;
+
+ phy_ctrl = E1000_READ_REG(hw, E1000_PHY_CTRL);
+
+ if (active) {
+ phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU;
+ E1000_WRITE_REG(hw, E1000_PHY_CTRL, phy_ctrl);
+
+ /* Call gig speed drop workaround on LPLU before accessing
+ * any PHY registers */
+ if ((hw->mac.type == e1000_ich8lan) &&
+ (hw->phy.type == e1000_phy_igp_3))
+ e1000_gig_downshift_workaround_ich8lan(hw);
+
+ /* 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 {
+ phy_ctrl &= ~E1000_PHY_CTRL_D0A_LPLU;
+ E1000_WRITE_REG(hw, E1000_PHY_CTRL, phy_ctrl);
+
+ /* 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_set_d3_lplu_state_ich8lan - Set Low Power Linkup D3 state
+ * @hw: pointer to the HW structure
+ * @active: TRUE to enable LPLU, FALSE to disable
+ *
+ * Sets the LPLU D3 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_d3_lplu_state_ich8lan(struct e1000_hw *hw, boolean_t active)
+{
+ struct e1000_phy_info *phy = &hw->phy;
+ u32 phy_ctrl;
+ s32 ret_val = E1000_SUCCESS;
+ u16 data;
+
+ DEBUGFUNC("e1000_set_d3_lplu_state_ich8lan");
+
+ phy_ctrl = E1000_READ_REG(hw, E1000_PHY_CTRL);
+
+ if (!active) {
+ phy_ctrl &= ~E1000_PHY_CTRL_NOND0A_LPLU;
+ E1000_WRITE_REG(hw, E1000_PHY_CTRL, phy_ctrl);
+ /* 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;
+ }
+ } else if ((phy->autoneg_advertised == E1000_ALL_SPEED_DUPLEX) ||
+ (phy->autoneg_advertised == E1000_ALL_NOT_GIG) ||
+ (phy->autoneg_advertised == E1000_ALL_10_SPEED)) {
+ phy_ctrl |= E1000_PHY_CTRL_NOND0A_LPLU;
+ E1000_WRITE_REG(hw, E1000_PHY_CTRL, phy_ctrl);
+
+ /* Call gig speed drop workaround on LPLU before accessing
+ * any PHY registers */
+ if ((hw->mac.type == e1000_ich8lan) &&
+ (hw->phy.type == e1000_phy_igp_3))
+ e1000_gig_downshift_workaround_ich8lan(hw);
+
+ /* When LPLU is enabled, we should disable SmartSpeed */
+ 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);
+ }
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_read_nvm_ich8lan - Read word(s) from the NVM
+ * @hw: pointer to the HW structure
+ * @offset: The offset (in bytes) of the word(s) to read.
+ * @words: Size of data to read in words
+ * @data: Pointer to the word(s) to read at offset.
+ *
+ * Reads a word(s) from the NVM using the flash access registers.
+ **/
+static s32
+e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
+{
+ struct e1000_nvm_info *nvm = &hw->nvm;
+ struct e1000_dev_spec_ich8lan *dev_spec;
+ u32 act_offset;
+ s32 ret_val = E1000_SUCCESS;
+ u16 i, word;
+
+ DEBUGFUNC("e1000_read_nvm_ich8lan");
+
+ dev_spec = (struct e1000_dev_spec_ich8lan *)hw->dev_spec;
+
+ if (dev_spec == NULL) {
+ DEBUGOUT("dev_spec pointer is set to NULL.\n");
+ ret_val = -E1000_ERR_CONFIG;
+ goto out;
+ }
+
+ 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;
+ }
+
+ ret_val = e1000_acquire_nvm(hw);
+ if (ret_val)
+ goto out;
+
+ /* Start with the bank offset, then add the relative offset. */
+ act_offset = (E1000_READ_REG(hw, E1000_EECD) & E1000_EECD_SEC1VAL)
+ ? nvm->flash_bank_size
+ : 0;
+ act_offset += offset;
+
+ for (i = 0; i < words; i++) {
+ if ((dev_spec->shadow_ram != NULL) &&
+ (dev_spec->shadow_ram[offset+i].modified == TRUE)) {
+ data[i] = dev_spec->shadow_ram[offset+i].value;
+ } else {
+ ret_val = e1000_read_flash_word_ich8lan(hw,
+ act_offset + i,
+ &word);
+ if (ret_val)
+ break;
+ data[i] = word;
+ }
+ }
+
+ e1000_release_nvm(hw);
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_flash_cycle_init_ich8lan - Initialize flash
+ * @hw: pointer to the HW structure
+ *
+ * This function does initial flash setup so that a new read/write/erase cycle
+ * can be started.
+ **/
+static s32
+e1000_flash_cycle_init_ich8lan(struct e1000_hw *hw)
+{
+ union ich8_hws_flash_status hsfsts;
+ s32 ret_val = -E1000_ERR_NVM;
+ s32 i = 0;
+
+ DEBUGFUNC("e1000_flash_cycle_init_ich8lan");
+
+ hsfsts.regval = E1000_READ_FLASH_REG16(hw, ICH_FLASH_HSFSTS);
+
+ /* Check if the flash descriptor is valid */
+ if (hsfsts.hsf_status.fldesvalid == 0) {
+ DEBUGOUT("Flash descriptor invalid. "
+ "SW Sequencing must be used.");
+ goto out;
+ }
+
+ /* Clear FCERR and DAEL in hw status by writing 1 */
+ hsfsts.hsf_status.flcerr = 1;
+ hsfsts.hsf_status.dael = 1;
+
+ E1000_WRITE_FLASH_REG16(hw, ICH_FLASH_HSFSTS, hsfsts.regval);
+
+ /* Either we should have a hardware SPI cycle in progress
+ * bit to check against, in order to start a new cycle or
+ * FDONE bit should be changed in the hardware so that it
+ * is 1 after harware reset, which can then be used as an
+ * indication whether a cycle is in progress or has been
+ * completed.
+ */
+
+ if (hsfsts.hsf_status.flcinprog == 0) {
+ /* There is no cycle running at present,
+ * so we can start a cycle */
+ /* Begin by setting Flash Cycle Done. */
+ hsfsts.hsf_status.flcdone = 1;
+ E1000_WRITE_FLASH_REG16(hw, ICH_FLASH_HSFSTS, hsfsts.regval);
+ ret_val = E1000_SUCCESS;
+ } else {
+ /* otherwise poll for sometime so the current
+ * cycle has a chance to end before giving up. */
+ for (i = 0; i < ICH_FLASH_READ_COMMAND_TIMEOUT; i++) {
+ hsfsts.regval = E1000_READ_FLASH_REG16(hw,
+ ICH_FLASH_HSFSTS);
+ if (hsfsts.hsf_status.flcinprog == 0) {
+ ret_val = E1000_SUCCESS;
+ break;
+ }
+ udelay(1);
+ }
+ if (ret_val == E1000_SUCCESS) {
+ /* Successful in waiting for previous cycle to timeout,
+ * now set the Flash Cycle Done. */
+ hsfsts.hsf_status.flcdone = 1;
+ E1000_WRITE_FLASH_REG16(hw,
+ ICH_FLASH_HSFSTS,
+ hsfsts.regval);
+ } else {
+ DEBUGOUT("Flash controller busy, cannot get access");
+ }
+ }
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_flash_cycle_ich8lan - Starts flash cycle (read/write/erase)
+ * @hw: pointer to the HW structure
+ * @timeout: maximum time to wait for completion
+ *
+ * This function starts a flash cycle and waits for its completion.
+ **/
+static s32
+e1000_flash_cycle_ich8lan(struct e1000_hw *hw, u32 timeout)
+{
+ union ich8_hws_flash_ctrl hsflctl;
+ union ich8_hws_flash_status hsfsts;
+ s32 ret_val = -E1000_ERR_NVM;
+ u32 i = 0;
+
+ DEBUGFUNC("e1000_flash_cycle_ich8lan");
+
+ /* Start a cycle by writing 1 in Flash Cycle Go in Hw Flash Control */
+ hsflctl.regval = E1000_READ_FLASH_REG16(hw, ICH_FLASH_HSFCTL);
+ hsflctl.hsf_ctrl.flcgo = 1;
+ E1000_WRITE_FLASH_REG16(hw, ICH_FLASH_HSFCTL, hsflctl.regval);
+
+ /* wait till FDONE bit is set to 1 */
+ do {
+ hsfsts.regval = E1000_READ_FLASH_REG16(hw, ICH_FLASH_HSFSTS);
+ if (hsfsts.hsf_status.flcdone == 1)
+ break;
+ udelay(1);
+ } while (i++ < timeout);
+
+ if (hsfsts.hsf_status.flcdone == 1 && hsfsts.hsf_status.flcerr == 0)
+ ret_val = E1000_SUCCESS;
+
+ return ret_val;
+}
+
+/**
+ * e1000_read_flash_word_ich8lan - Read word from flash
+ * @hw: pointer to the HW structure
+ * @offset: offset to data location
+ * @data: pointer to the location for storing the data
+ *
+ * Reads the flash word at offset into data. Offset is converted
+ * to bytes before read.
+ **/
+static s32
+e1000_read_flash_word_ich8lan(struct e1000_hw *hw, u32 offset, u16 *data)
+{
+ s32 ret_val;
+
+ DEBUGFUNC("e1000_read_flash_word_ich8lan");
+
+ if (data == NULL) {
+ ret_val = -E1000_ERR_NVM;
+ goto out;
+ }
+
+ /* Must convert offset into bytes. */
+ offset <<= 1;
+
+ ret_val = e1000_read_flash_data_ich8lan(hw, offset, 2, data);
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_read_flash_data_ich8lan - Read byte or word from NVM
+ * @hw: pointer to the HW structure
+ * @offset: The offset (in bytes) of the byte or word to read.
+ * @size: Size of data to read, 1=byte 2=word
+ * @data: Pointer to the word to store the value read.
+ *
+ * Reads a byte or word from the NVM using the flash access registers.
+ **/
+static s32
+e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
+ u8 size, u16* data)
+{
+ union ich8_hws_flash_status hsfsts;
+ union ich8_hws_flash_ctrl hsflctl;
+ u32 flash_linear_addr;
+ u32 flash_data = 0;
+ s32 ret_val = -E1000_ERR_NVM;
+ u8 count = 0;
+
+ DEBUGFUNC("e1000_read_flash_data_ich8lan");
+
+ if (size < 1 || size > 2 || data == 0x0 ||
+ offset > ICH_FLASH_LINEAR_ADDR_MASK)
+ goto out;
+
+ flash_linear_addr = (ICH_FLASH_LINEAR_ADDR_MASK & offset) +
+ hw->nvm.flash_base_addr;
+
+ do {
+ udelay(1);
+ /* Steps */
+ ret_val = e1000_flash_cycle_init_ich8lan(hw);
+ if (ret_val != E1000_SUCCESS)
+ break;
+
+ hsflctl.regval = E1000_READ_FLASH_REG16(hw, ICH_FLASH_HSFCTL);
+ /* 0b/1b corresponds to 1 or 2 byte size, respectively. */
+ hsflctl.hsf_ctrl.fldbcount = size - 1;
+ hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_READ;
+ E1000_WRITE_FLASH_REG16(hw, ICH_FLASH_HSFCTL, hsflctl.regval);
+
+ E1000_WRITE_FLASH_REG(hw, ICH_FLASH_FADDR, flash_linear_addr);
+
+ ret_val = e1000_flash_cycle_ich8lan(hw,
+ ICH_FLASH_READ_COMMAND_TIMEOUT);
+
+ /* Check if FCERR is set to 1, if set to 1, clear it
+ * and try the whole sequence a few more times, else
+ * read in (shift in) the Flash Data0, the order is
+ * least significant byte first msb to lsb */
+ if (ret_val == E1000_SUCCESS) {
+ flash_data = E1000_READ_FLASH_REG(hw, ICH_FLASH_FDATA0);
+ if (size == 1) {
+ *data = (u8)(flash_data & 0x000000FF);
+ } else if (size == 2) {
+ *data = (u16)(flash_data & 0x0000FFFF);
+ }
+ break;
+ } else {
+ /* If we've gotten here, then things are probably
+ * completely hosed, but if the error condition is
+ * detected, it won't hurt to give it another try...
+ * ICH_FLASH_CYCLE_REPEAT_COUNT times.
+ */
+ hsfsts.regval = E1000_READ_FLASH_REG16(hw,
+ ICH_FLASH_HSFSTS);
+ if (hsfsts.hsf_status.flcerr == 1) {
+ /* Repeat for some time before giving up. */
+ continue;
+ } else if (hsfsts.hsf_status.flcdone == 0) {
+ DEBUGOUT("Timeout error - flash cycle "
+ "did not complete.");
+ break;
+ }
+ }
+ } while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT);
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_write_nvm_ich8lan - Write word(s) to the NVM
+ * @hw: pointer to the HW structure
+ * @offset: The offset (in bytes) of the word(s) to write.
+ * @words: Size of data to write in words
+ * @data: Pointer to the word(s) to write at offset.
+ *
+ * Writes a byte or word to the NVM using the flash access registers.
+ **/
+static s32
+e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
+{
+ struct e1000_nvm_info *nvm = &hw->nvm;
+ struct e1000_dev_spec_ich8lan *dev_spec;
+ s32 ret_val = E1000_SUCCESS;
+ u16 i;
+
+ DEBUGFUNC("e1000_write_nvm_ich8lan");
+
+ dev_spec = (struct e1000_dev_spec_ich8lan *)hw->dev_spec;
+
+ if (dev_spec == NULL) {
+ DEBUGOUT("dev_spec pointer is set to NULL.\n");
+ ret_val = -E1000_ERR_CONFIG;
+ goto out;
+ }
+
+ 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;
+ }
+
+ ret_val = e1000_acquire_nvm(hw);
+ if (ret_val)
+ goto out;
+
+ for (i = 0; i < words; i++) {
+ dev_spec->shadow_ram[offset+i].modified = TRUE;
+ dev_spec->shadow_ram[offset+i].value = data[i];
+ }
+
+ e1000_release_nvm(hw);
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_update_nvm_checksum_ich8lan - Update the checksum for NVM
+ * @hw: pointer to the HW structure
+ *
+ * The NVM checksum is updated by calling the generic update_nvm_checksum,
+ * which writes the checksum to the shadow ram. The changes in the shadow
+ * ram are then committed to the EEPROM by processing each bank at a time
+ * checking for the modified bit and writing only the pending changes.
+ * After a succesful commit, the shadow ram is cleared and is ready for
+ * future writes.
+ **/
+static s32
+e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
+{
+ struct e1000_nvm_info *nvm = &hw->nvm;
+ struct e1000_dev_spec_ich8lan *dev_spec;
+ u32 i, act_offset, new_bank_offset, old_bank_offset;
+ s32 ret_val;
+ u16 data;
+
+ DEBUGFUNC("e1000_update_nvm_checksum_ich8lan");
+
+ dev_spec = (struct e1000_dev_spec_ich8lan *)hw->dev_spec;
+
+ ret_val = e1000_update_nvm_checksum_generic(hw);
+ if (ret_val)
+ goto out;
+
+ if (nvm->type != e1000_nvm_flash_sw)
+ goto out;
+
+ ret_val = e1000_acquire_nvm(hw);
+ if (ret_val)
+ goto out;
+
+ /* We're writing to the opposite bank so if we're on bank 1,
+ * write to bank 0 etc. We also need to erase the segment that
+ * is going to be written */
+ if (!(E1000_READ_REG(hw, E1000_EECD) & E1000_EECD_SEC1VAL)) {
+ new_bank_offset = nvm->flash_bank_size;
+ old_bank_offset = 0;
+ e1000_erase_flash_bank_ich8lan(hw, 1);
+ } else {
+ old_bank_offset = nvm->flash_bank_size;
+ new_bank_offset = 0;
+ e1000_erase_flash_bank_ich8lan(hw, 0);
+ }
+
+ for (i = 0; i < E1000_SHADOW_RAM_WORDS; i++) {
+ /* Determine whether to write the value stored
+ * in the other NVM bank or a modified value stored
+ * in the shadow RAM */
+ if (dev_spec->shadow_ram[i].modified == TRUE) {
+ data = dev_spec->shadow_ram[i].value;
+ } else {
+ e1000_read_flash_word_ich8lan(hw,
+ i + old_bank_offset,
+ &data);
+ }
+
+ /* If the word is 0x13, then make sure the signature bits
+ * (15:14) are 11b until the commit has completed.
+ * This will allow us to write 10b which indicates the
+ * signature is valid. We want to do this after the write
+ * has completed so that we don't mark the segment valid
+ * while the write is still in progress */
+ if (i == E1000_ICH_NVM_SIG_WORD)
+ data |= E1000_ICH_NVM_SIG_MASK;
+
+ /* Convert offset to bytes. */
+ act_offset = (i + new_bank_offset) << 1;
+
+ udelay(100);
+ /* Write the bytes to the new bank. */
+ ret_val = e1000_retry_write_flash_byte_ich8lan(hw,
+ act_offset,
+ (u8)data);
+ if (ret_val)
+ break;
+
+ udelay(100);
+ ret_val = e1000_retry_write_flash_byte_ich8lan(hw,
+ act_offset + 1,
+ (u8)(data >> 8));
+ if (ret_val)
+ break;
+ }
+
+ /* Don't bother writing the segment valid bits if sector
+ * programming failed. */
+ if (ret_val) {
+ DEBUGOUT("Flash commit failed.\n");
+ e1000_release_nvm(hw);
+ goto out;
+ }
+
+ /* Finally validate the new segment by setting bit 15:14
+ * to 10b in word 0x13 , this can be done without an
+ * erase as well since these bits are 11 to start with
+ * and we need to change bit 14 to 0b */
+ act_offset = new_bank_offset + E1000_ICH_NVM_SIG_WORD;
+ e1000_read_flash_word_ich8lan(hw, act_offset, &data);
+ data &= 0xBFFF;
+ ret_val = e1000_retry_write_flash_byte_ich8lan(hw,
+ act_offset * 2 + 1,
+ (u8)(data >> 8));
+ if (ret_val) {
+ e1000_release_nvm(hw);
+ goto out;
+ }
+
+ /* And invalidate the previously valid segment by setting
+ * its signature word (0x13) high_byte to 0b. This can be
+ * done without an erase because flash erase sets all bits
+ * to 1's. We can write 1's to 0's without an erase */
+ act_offset = (old_bank_offset + E1000_ICH_NVM_SIG_WORD) * 2 + 1;
+ ret_val = e1000_retry_write_flash_byte_ich8lan(hw, act_offset, 0);
+ if (ret_val) {
+ e1000_release_nvm(hw);
+ goto out;
+ }
+
+ /* Great! Everything worked, we can now clear the cached entries. */
+ for (i = 0; i < E1000_SHADOW_RAM_WORDS; i++) {
+ dev_spec->shadow_ram[i].modified = FALSE;
+ dev_spec->shadow_ram[i].value = 0xFFFF;
+ }
+
+ e1000_release_nvm(hw);
+
+ /* Reload the EEPROM, or else modifications will not appear
+ * until after the next adapter reset.
+ */
+ e1000_reload_nvm(hw);
+ msleep(10);
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_validate_nvm_checksum_ich8lan - Validate EEPROM checksum
+ * @hw: pointer to the HW structure
+ *
+ * Check to see if checksum needs to be fixed by reading bit 6 in word 0x19.
+ * If the bit is 0, that the EEPROM had been modified, but the checksum was not
+ * calculated, in which case we need to calculate the checksum and set bit 6.
+ **/
+static s32
+e1000_validate_nvm_checksum_ich8lan(struct e1000_hw *hw)
+{
+ s32 ret_val = E1000_SUCCESS;
+ u16 data;
+
+ DEBUGFUNC("e1000_validate_nvm_checksum_ich8lan");
+
+ /* Read 0x19 and check bit 6. If this bit is 0, the checksum
+ * needs to be fixed. This bit is an indication that the NVM
+ * was prepared by OEM software and did not calculate the
+ * checksum...a likely scenario.
+ */
+ ret_val = e1000_read_nvm(hw, 0x19, 1, &data);
+ if (ret_val)
+ goto out;
+
+ if ((data & 0x40) == 0) {
+ data |= 0x40;
+ ret_val = e1000_write_nvm(hw, 0x19, 1, &data);
+ if (ret_val)
+ goto out;
+ ret_val = e1000_update_nvm_checksum(hw);
+ if (ret_val)
+ goto out;
+ }
+
+ ret_val = e1000_validate_nvm_checksum_generic(hw);
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_write_flash_data_ich8lan - Writes bytes to the NVM
+ * @hw: pointer to the HW structure
+ * @offset: The offset (in bytes) of the byte/word to read.
+ * @size: Size of data to read, 1=byte 2=word
+ * @data: The byte(s) to write to the NVM.
+ *
+ * Writes one/two bytes to the NVM using the flash access registers.
+ **/
+static s32
+e1000_write_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
+ u8 size, u16 data)
+{
+ union ich8_hws_flash_status hsfsts;
+ union ich8_hws_flash_ctrl hsflctl;
+ u32 flash_linear_addr;
+ u32 flash_data = 0;
+ s32 ret_val = -E1000_ERR_NVM;
+ u8 count = 0;
+
+ DEBUGFUNC("e1000_write_ich8_data");
+
+ if (size < 1 || size > 2 || data > size * 0xff ||
+ offset > ICH_FLASH_LINEAR_ADDR_MASK)
+ goto out;
+
+ flash_linear_addr = (ICH_FLASH_LINEAR_ADDR_MASK & offset) +
+ hw->nvm.flash_base_addr;
+
+ do {
+ udelay(1);
+ /* Steps */
+ ret_val = e1000_flash_cycle_init_ich8lan(hw);
+ if (ret_val != E1000_SUCCESS)
+ break;
+
+ hsflctl.regval = E1000_READ_FLASH_REG16(hw, ICH_FLASH_HSFCTL);
+ /* 0b/1b corresponds to 1 or 2 byte size, respectively. */
+ hsflctl.hsf_ctrl.fldbcount = size -1;
+ hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_WRITE;
+ E1000_WRITE_FLASH_REG16(hw, ICH_FLASH_HSFCTL, hsflctl.regval);
+
+ E1000_WRITE_FLASH_REG(hw, ICH_FLASH_FADDR, flash_linear_addr);
+
+ if (size == 1)
+ flash_data = (u32)data & 0x00FF;
+ else
+ flash_data = (u32)data;
+
+ E1000_WRITE_FLASH_REG(hw, ICH_FLASH_FDATA0, flash_data);
+
+ /* check if FCERR is set to 1 , if set to 1, clear it
+ * and try the whole sequence a few more times else done */
+ ret_val = e1000_flash_cycle_ich8lan(hw,
+ ICH_FLASH_WRITE_COMMAND_TIMEOUT);
+ if (ret_val == E1000_SUCCESS) {
+ break;
+ } else {
+ /* If we're here, then things are most likely
+ * completely hosed, but if the error condition
+ * is detected, it won't hurt to give it another
+ * try...ICH_FLASH_CYCLE_REPEAT_COUNT times.
+ */
+ hsfsts.regval = E1000_READ_FLASH_REG16(hw,
+ ICH_FLASH_HSFSTS);
+ if (hsfsts.hsf_status.flcerr == 1) {
+ /* Repeat for some time before giving up. */
+ continue;
+ } else if (hsfsts.hsf_status.flcdone == 0) {
+ DEBUGOUT("Timeout error - flash cycle "
+ "did not complete.");
+ break;
+ }
+ }
+ } while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT);
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_write_flash_byte_ich8lan - Write a single byte to NVM
+ * @hw: pointer to the HW structure
+ * @offset: The index of the byte to read.
+ * @data: The byte to write to the NVM.
+ *
+ * Writes a single byte to the NVM using the flash access registers.
+ **/
+static s32
+e1000_write_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset, u8 data)
+{
+ u16 word = (u16)data;
+
+ DEBUGFUNC("e1000_write_flash_byte_ich8lan");
+
+ return e1000_write_flash_data_ich8lan(hw, offset, 1, word);
+}
+
+/**
+ * e1000_retry_write_flash_byte_ich8lan - Writes a single byte to NVM
+ * @hw: pointer to the HW structure
+ * @offset: The offset of the byte to write.
+ * @byte: The byte to write to the NVM.
+ *
+ * Writes a single byte to the NVM using the flash access registers.
+ * Goes through a retry algorithm before giving up.
+ **/
+static s32
+e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset, u8 byte)
+{
+ s32 ret_val;
+ u16 program_retries;
+
+ DEBUGFUNC("e1000_retry_write_flash_byte_ich8lan");
+
+ ret_val = e1000_write_flash_byte_ich8lan(hw, offset, byte);
+ if (ret_val)
+ goto out;
+
+ udelay(100);
+
+ for (program_retries = 0; program_retries < 100; program_retries++) {
+ DEBUGOUT2("Retrying Byte %2.2X at offset %u\n", byte, offset);
+ udelay(100);
+ ret_val = e1000_write_flash_byte_ich8lan(hw, offset, byte);
+ if (ret_val == E1000_SUCCESS)
+ break;
+ }
+ if (program_retries == 100) {
+ ret_val = -E1000_ERR_NVM;
+ goto out;
+ }
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_erase_flash_bank_ich8lan - Erase a bank (4k) from NVM
+ * @hw: pointer to the HW structure
+ * @bank: 0 for first bank, 1 for second bank, etc.
+ *
+ * Erases the bank specified. Each bank is a 4k block. Banks are 0 based.
+ * bank N is 4096 * N + flash_reg_addr.
+ **/
+static s32
+e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank)
+{
+ union ich8_hws_flash_status hsfsts;
+ union ich8_hws_flash_ctrl hsflctl;
+ u32 flash_linear_addr;
+ s32 ret_val = E1000_SUCCESS;
+ s32 count = 0;
+ s32 j, iteration, sector_size;
+
+ DEBUGFUNC("e1000_erase_flash_bank_ich8lan");
+
+ hsfsts.regval = E1000_READ_FLASH_REG16(hw, ICH_FLASH_HSFSTS);
+
+ /* Determine HW Sector size: Read BERASE bits of hw flash status
+ * register */
+ /* 00: The Hw sector is 256 bytes, hence we need to erase 16
+ * consecutive sectors. The start index for the nth Hw sector
+ * can be calculated as = bank * 4096 + n * 256
+ * 01: The Hw sector is 4K bytes, hence we need to erase 1 sector.
+ * The start index for the nth Hw sector can be calculated
+ * as = bank * 4096
+ * 10: The Hw sector is 8K bytes, nth sector = bank * 8192
+ * (ich9 only, otherwise error condition)
+ * 11: The Hw sector is 64K bytes, nth sector = bank * 65536
+ */
+ switch (hsfsts.hsf_status.berasesz) {
+ case 0:
+ /* Hw sector size 256 */
+ sector_size = ICH_FLASH_SEG_SIZE_256;
+ iteration = ICH_FLASH_SECTOR_SIZE / ICH_FLASH_SEG_SIZE_256;
+ break;
+ case 1:
+ sector_size = ICH_FLASH_SEG_SIZE_4K;
+ iteration = 1;
+ break;
+ case 2:
+ ret_val = -E1000_ERR_NVM;
+ goto out;
+ break;
+ case 3:
+ sector_size = ICH_FLASH_SEG_SIZE_64K;
+ iteration = 1;
+ break;
+ default:
+ ret_val = -E1000_ERR_NVM;
+ goto out;
+ }
+
+ /* Start with the base address, then add the sector offset. */
+ flash_linear_addr = hw->nvm.flash_base_addr;
+ flash_linear_addr += (bank) ? (sector_size * iteration) : 0;
+
+ for (j = 0; j < iteration ; j++) {
+ do {
+ /* Steps */
+ ret_val = e1000_flash_cycle_init_ich8lan(hw);
+ if (ret_val)
+ goto out;
+
+ /* Write a value 11 (block Erase) in Flash
+ * Cycle field in hw flash control */
+ hsflctl.regval = E1000_READ_FLASH_REG16(hw,
+ ICH_FLASH_HSFCTL);
+ hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_ERASE;
+ E1000_WRITE_FLASH_REG16(hw,
+ ICH_FLASH_HSFCTL,
+ hsflctl.regval);
+
+ /* Write the last 24 bits of an index within the
+ * block into Flash Linear address field in Flash
+ * Address.
+ */
+ flash_linear_addr += (j * sector_size);
+ E1000_WRITE_FLASH_REG(hw,
+ ICH_FLASH_FADDR,
+ flash_linear_addr);
+
+ ret_val = e1000_flash_cycle_ich8lan(hw,
+ ICH_FLASH_ERASE_COMMAND_TIMEOUT);
+ if (ret_val == E1000_SUCCESS) {
+ break;
+ } else {
+ /* Check if FCERR is set to 1. If 1,
+ * clear it and try the whole sequence
+ * a few more times else Done */
+ hsfsts.regval = E1000_READ_FLASH_REG16(hw,
+ ICH_FLASH_HSFSTS);
+ if (hsfsts.hsf_status.flcerr == 1) {
+ /* repeat for some time before
+ * giving up */
+ continue;
+ } else if (hsfsts.hsf_status.flcdone == 0)
+ goto out;
+ }
+ } while (++count < ICH_FLASH_CYCLE_REPEAT_COUNT);
+ }
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_valid_led_default_ich8lan - Set the default LED settings
+ * @hw: pointer to the HW structure
+ * @data: Pointer to the LED settings
+ *
+ * Reads the LED default settings from the NVM to data. If the NVM LED
+ * settings is all 0's or F's, set the LED default to a valid LED default
+ * setting.
+ **/
+static s32
+e1000_valid_led_default_ich8lan(struct e1000_hw *hw, u16 *data)
+{
+ s32 ret_val;
+
+ DEBUGFUNC("e1000_valid_led_default_ich8lan");
+
+ ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data);
+ if (ret_val) {
+ DEBUGOUT("NVM Read Error\n");
+ goto out;
+ }
+
+ if (*data == ID_LED_RESERVED_0000 ||
+ *data == ID_LED_RESERVED_FFFF)
+ *data = ID_LED_DEFAULT_ICH8LAN;
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_get_bus_info_ich8lan - Get/Set the bus type and width
+ * @hw: pointer to the HW structure
+ *
+ * ICH8 use the PCI Express bus, but does not contain a PCI Express Capability
+ * register, so the the bus width is hard coded.
+ **/
+static s32
+e1000_get_bus_info_ich8lan(struct e1000_hw *hw)
+{
+ struct e1000_bus_info *bus = &hw->bus;
+ s32 ret_val;
+
+ DEBUGFUNC("e1000_get_bus_info_ich8lan");
+
+ ret_val = e1000_get_bus_info_pcie_generic(hw);
+
+ /* ICH devices are "PCI Express"-ish. They have
+ * a configuration space, but do not contain
+ * PCI Express Capability registers, so bus width
+ * must be hardcoded.
+ */
+ if (bus->width == e1000_bus_width_unknown)
+ bus->width = e1000_bus_width_pcie_x1;
+
+ return ret_val;
+}
+
+/**
+ * e1000_reset_hw_ich8lan - Reset the hardware
+ * @hw: pointer to the HW structure
+ *
+ * Does a full reset of the hardware which includes a reset of the PHY and
+ * MAC.
+ **/
+static s32
+e1000_reset_hw_ich8lan(struct e1000_hw *hw)
+{
+ u32 ctrl, icr, kab;
+ s32 ret_val;
+
+ DEBUGFUNC("e1000_reset_hw_ich8lan");
+
+ /* 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);
+
+ /* Disable the Transmit and Receive units. Then delay to allow
+ * any pending transactions to complete before we hit the MAC
+ * with the global reset.
+ */
+ E1000_WRITE_REG(hw, E1000_RCTL, 0);
+ E1000_WRITE_REG(hw, E1000_TCTL, E1000_TCTL_PSP);
+ E1000_WRITE_FLUSH(hw);
+
+ msleep(10);
+
+ /* Workaround for ICH8 bit corruption issue in FIFO memory */
+ if (hw->mac.type == e1000_ich8lan) {
+ /* Set Tx and Rx buffer allocation to 8k apiece. */
+ E1000_WRITE_REG(hw, E1000_PBA, E1000_PBA_8K);
+ /* Set Packet Buffer Size to 16k. */
+ E1000_WRITE_REG(hw, E1000_PBS, E1000_PBS_16K);
+ }
+
+ ctrl = E1000_READ_REG(hw, E1000_CTRL);
+
+ if (!e1000_check_reset_block(hw) && !hw->phy.reset_disable) {
+ /* PHY HW reset requires MAC CORE reset at the same
+ * time to make sure the interface between MAC and the
+ * external PHY is reset.
+ */
+ ctrl |= E1000_CTRL_PHY_RST;
+ }
+ ret_val = e1000_acquire_swflag_ich8lan(hw);
+ DEBUGOUT("Issuing a global reset to ich8lan");
+ E1000_WRITE_REG(hw, E1000_CTRL, (ctrl | E1000_CTRL_RST));
+ msleep(20);
+
+ ret_val = e1000_get_auto_rd_done_generic(hw);
+ if (ret_val) {
+ /*
+ * When auto config read does not complete, do not
+ * return with an error. This can happen in situations
+ * where there is no eeprom and prevents getting link.
+ */
+ DEBUGOUT("Auto Read Done did not complete\n");
+ }
+
+ E1000_WRITE_REG(hw, E1000_IMC, 0xffffffff);
+ icr = E1000_READ_REG(hw, E1000_ICR);
+
+ kab = E1000_READ_REG(hw, E1000_KABGTXD);
+ kab |= E1000_KABGTXD_BGSQLBIAS;
+ E1000_WRITE_REG(hw, E1000_KABGTXD, kab);
+
+ return ret_val;
+}
+
+/**
+ * e1000_init_hw_ich8lan - Initialize the hardware
+ * @hw: pointer to the HW structure
+ *
+ * Prepares the hardware for transmit and receive by doing the following:
+ * - initialize hardware bits
+ * - initialize LED identification
+ * - setup receive address registers
+ * - setup flow control
+ * - setup transmit discriptors
+ * - clear statistics
+ **/
+static s32
+e1000_init_hw_ich8lan(struct e1000_hw *hw)
+{
+ struct e1000_mac_info *mac = &hw->mac;
+ u32 ctrl_ext, txdctl, snoop;
+ s32 ret_val;
+ u16 i;
+
+ DEBUGFUNC("e1000_init_hw_ich8lan");
+
+ e1000_initialize_hw_bits_ich8lan(hw);
+
+ /* Initialize identification LED */
+ ret_val = e1000_id_led_init_generic(hw);
+ if (ret_val) {
+ DEBUGOUT("Error initializing identification LED\n");
+ goto out;
+ }
+
+ /* Setup the receive address. */
+ e1000_init_rx_addrs_generic(hw, mac->rar_entry_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 for both queues */
+ txdctl = E1000_READ_REG(hw, E1000_TXDCTL);
+ txdctl = (txdctl & ~E1000_TXDCTL_WTHRESH) |
+ E1000_TXDCTL_FULL_TX_DESC_WB;
+ txdctl = (txdctl & ~E1000_TXDCTL_PTHRESH) |
+ E1000_TXDCTL_MAX_TX_DESC_PREFETCH;
+ E1000_WRITE_REG(hw, E1000_TXDCTL, txdctl);
+ txdctl = E1000_READ_REG(hw, E1000_TXDCTL1);
+ txdctl = (txdctl & ~E1000_TXDCTL_WTHRESH) |
+ E1000_TXDCTL_FULL_TX_DESC_WB;
+ txdctl = (txdctl & ~E1000_TXDCTL_PTHRESH) |
+ E1000_TXDCTL_MAX_TX_DESC_PREFETCH;
+ E1000_WRITE_REG(hw, E1000_TXDCTL1, txdctl);
+
+ /* ICH8 has opposite polarity of no_snoop bits.
+ * By default, we should use snoop behavior. */
+ if (mac->type == e1000_ich8lan)
+ snoop = PCIE_ICH8_SNOOP_ALL;
+ else
+ snoop = (u32)~(PCIE_NO_SNOOP_ALL);
+ e1000_set_pcie_no_snoop_generic(hw, snoop);
+
+ ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
+ ctrl_ext |= E1000_CTRL_EXT_RO_DIS;
+ E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
+
+ /* 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_ich8lan(hw);
+
+out:
+ return ret_val;
+}
+/**
+ * e1000_initialize_hw_bits_ich8lan - Initialize required hardware bits
+ * @hw: pointer to the HW structure
+ *
+ * Sets/Clears required hardware bits necessary for correctly setting up the
+ * hardware for transmit and receive.
+ **/
+static void
+e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw)
+{
+ u32 reg;
+
+ DEBUGFUNC("e1000_initialize_hw_bits_ich8lan");
+
+ if (hw->mac.disable_hw_init_bits)
+ goto out;
+
+ /* Extended Device Control */
+ reg = E1000_READ_REG(hw, E1000_CTRL_EXT);
+ reg |= (1 << 22);
+ E1000_WRITE_REG(hw, E1000_CTRL_EXT, reg);
+
+ /* Transmit Descriptor Control 0 */
+ reg = E1000_READ_REG(hw, E1000_TXDCTL);
+ reg |= (1 << 22);
+ E1000_WRITE_REG(hw, E1000_TXDCTL, reg);
+
+ /* Transmit Descriptor Control 1 */
+ reg = E1000_READ_REG(hw, E1000_TXDCTL1);
+ reg |= (1 << 22);
+ E1000_WRITE_REG(hw, E1000_TXDCTL1, reg);
+
+ /* Transmit Arbitration Control 0 */
+ reg = E1000_READ_REG(hw, E1000_TARC0);
+ if (hw->mac.type == e1000_ich8lan)
+ reg |= (1 << 28) | (1 << 29);
+ reg |= (1 << 23) | (1 << 24) | (1 << 26) | (1 << 27);
+ E1000_WRITE_REG(hw, E1000_TARC0, reg);
+
+ /* Transmit Arbitration Control 1 */
+ reg = E1000_READ_REG(hw, E1000_TARC1);
+ if (E1000_READ_REG(hw, E1000_TCTL) & E1000_TCTL_MULR)
+ reg &= ~(1 << 28);
+ else
+ reg |= (1 << 28);
+ reg |= (1 << 24) | (1 << 26) | (1 << 30);
+ E1000_WRITE_REG(hw, E1000_TARC1, reg);
+
+ /* Device Status */
+ if (hw->mac.type == e1000_ich8lan) {
+ reg = E1000_READ_REG(hw, E1000_STATUS);
+ reg &= ~(1 << 31);
+ E1000_WRITE_REG(hw, E1000_STATUS, reg);
+ }
+
+out:
+ return;
+}
+
+/**
+ * e1000_setup_link_ich8lan - 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_ich8lan(struct e1000_hw *hw)
+{
+ struct e1000_mac_info *mac = &hw->mac;
+ struct e1000_functions *func = &hw->func;
+ s32 ret_val = E1000_SUCCESS;
+
+ DEBUGFUNC("e1000_setup_link_ich8lan");
+
+ if (e1000_check_reset_block(hw))
+ goto out;
+
+ /* ICH parts do not have a word in the NVM to determine
+ * the default flow control setting, so we explicitly
+ * set it to full.
+ */
+ if (mac->fc == e1000_fc_default)
+ mac->fc = e1000_fc_full;
+
+ mac->original_fc = mac->fc;
+
+ DEBUGOUT1("After fix-ups FlowControl is now = %x\n", mac->fc);
+
+ /* Continue to configure the copper link. */
+ ret_val = func->setup_physical_interface(hw);
+ if (ret_val)
+ goto out;
+
+ E1000_WRITE_REG(hw, E1000_FCTTV, mac->fc_pause_time);
+
+ ret_val = e1000_set_fc_watermarks_generic(hw);
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_setup_copper_link_ich8lan - Configure MAC/PHY interface
+ * @hw: pointer to the HW structure
+ *
+ * Configures the kumeran interface to the PHY to wait the appropriate time
+ * when polling the PHY, then call the generic setup_copper_link to finish
+ * configuring the copper link.
+ **/
+static s32
+e1000_setup_copper_link_ich8lan(struct e1000_hw *hw)
+{
+ u32 ctrl;
+ s32 ret_val;
+ u16 reg_data;
+
+ DEBUGFUNC("e1000_setup_copper_link_ich8lan");
+
+ 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);
+
+ /* Set the mac to wait the maximum time between each iteration
+ * and increase the max iterations when polling the phy;
+ * this fixes erroneous timeouts at 10Mbps. */
+ ret_val = e1000_write_kmrn_reg(hw, GG82563_REG(0x34, 4), 0xFFFF);
+ if (ret_val)
+ goto out;
+ ret_val = e1000_read_kmrn_reg(hw, GG82563_REG(0x34, 9), ®_data);
+ if (ret_val)
+ goto out;
+ reg_data |= 0x3F;
+ ret_val = e1000_write_kmrn_reg(hw, GG82563_REG(0x34, 9), reg_data);
+ if (ret_val)
+ goto out;
+
+ if (hw->phy.type == e1000_phy_igp_3) {
+ ret_val = e1000_copper_link_setup_igp(hw);
+ if (ret_val)
+ goto out;
+ }
+
+ ret_val = e1000_setup_copper_link_generic(hw);
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_get_link_up_info_ich8lan - Get current link speed and duplex
+ * @hw: pointer to the HW structure
+ * @speed: pointer to store current link speed
+ * @duplex: pointer to store the current link duplex
+ *
+ * Calls the generic get_speed_and_duplex to retreive the current link
+ * information and then calls the Kumeran lock loss workaround for links at
+ * gigabit speeds.
+ **/
+static s32
+e1000_get_link_up_info_ich8lan(struct e1000_hw *hw, u16 *speed, u16 *duplex)
+{
+ s32 ret_val;
+
+ DEBUGFUNC("e1000_get_link_up_info_ich8lan");
+
+ ret_val = e1000_get_speed_and_duplex_copper_generic(hw, speed, duplex);
+ if (ret_val)
+ goto out;
+
+ if ((hw->mac.type == e1000_ich8lan) &&
+ (hw->phy.type == e1000_phy_igp_3) &&
+ (*speed == SPEED_1000)) {
+ ret_val = e1000_kmrn_lock_loss_workaround_ich8lan(hw);
+ }
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_kmrn_lock_loss_workaround_ich8lan - Kumeran workaround
+ * @hw: pointer to the HW structure
+ *
+ * Work-around for 82566 Kumeran PCS lock loss:
+ * On link status change (i.e. PCI reset, speed change) and link is up and
+ * speed is gigabit-
+ * 0) if workaround is optionally disabled do nothing
+ * 1) wait 1ms for Kumeran link to come up
+ * 2) check Kumeran Diagnostic register PCS lock loss bit
+ * 3) if not set the link is locked (all is good), otherwise...
+ * 4) reset the PHY
+ * 5) repeat up to 10 times
+ * Note: this is only called for IGP3 copper when speed is 1gb.
+ **/
+static s32
+e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw)
+{
+ struct e1000_dev_spec_ich8lan *dev_spec;
+ u32 phy_ctrl;
+ s32 ret_val = E1000_SUCCESS;
+ u16 i, data;
+ boolean_t link;
+
+ DEBUGFUNC("e1000_kmrn_lock_loss_workaround_ich8lan");
+
+ dev_spec = (struct e1000_dev_spec_ich8lan *)hw->dev_spec;
+
+ if (dev_spec == NULL) {
+ DEBUGOUT("dev_spec pointer is set to NULL.\n");
+ ret_val = -E1000_ERR_CONFIG;
+ goto out;
+ }
+
+ if (dev_spec->kmrn_lock_loss_workaround_enabled == FALSE)
+ goto out;
+
+ /* Make sure link is up before proceeding. If not just return.
+ * Attempting this while link is negotiating fouled up link
+ * stability */
+ ret_val = e1000_phy_has_link_generic(hw, 1, 0, &link);
+ if (!link) {
+ ret_val = E1000_SUCCESS;
+ goto out;
+ }
+
+ for (i = 0; i < 10; i++) {
+ /* read once to clear */
+ ret_val = e1000_read_phy_reg(hw, IGP3_KMRN_DIAG, &data);
+ if (ret_val)
+ goto out;
+ /* and again to get new status */
+ ret_val = e1000_read_phy_reg(hw, IGP3_KMRN_DIAG, &data);
+ if (ret_val)
+ goto out;
+
+ /* check for PCS lock */
+ if (!(data & IGP3_KMRN_DIAG_PCS_LOCK_LOSS)) {
+ ret_val = E1000_SUCCESS;
+ goto out;
+ }
+
+ /* Issue PHY reset */
+ e1000_phy_hw_reset(hw);
+ mdelay(5);
+ }
+ /* Disable GigE link negotiation */
+ phy_ctrl = E1000_READ_REG(hw, E1000_PHY_CTRL);
+ phy_ctrl |= (E1000_PHY_CTRL_GBE_DISABLE |
+ E1000_PHY_CTRL_NOND0A_GBE_DISABLE);
+ E1000_WRITE_REG(hw, E1000_PHY_CTRL, phy_ctrl);
+
+ /* Call gig speed drop workaround on Giga disable before accessing
+ * any PHY registers */
+ e1000_gig_downshift_workaround_ich8lan(hw);
+
+ /* unable to acquire PCS lock */
+ ret_val = -E1000_ERR_PHY;
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_set_kmrn_lock_loss_workaound_ich8lan - Set Kumeran workaround state
+ * @hw: pointer to the HW structure
+ * @state: boolean value used to set the current Kumaran workaround state
+ *
+ * If ICH8, set the current Kumeran workaround state (enabled - TRUE
+ * /disabled - FALSE).
+ **/
+void
+e1000_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw,
+ boolean_t state)
+{
+ struct e1000_dev_spec_ich8lan *dev_spec;
+
+ DEBUGFUNC("e1000_set_kmrn_lock_loss_workaround_ich8lan");
+
+ if (hw->mac.type != e1000_ich8lan) {
+ DEBUGOUT("Workaround applies to ICH8 only.\n");
+ goto out;
+ }
+
+ dev_spec = (struct e1000_dev_spec_ich8lan *)hw->dev_spec;
+
+ if (dev_spec == NULL) {
+ DEBUGOUT("dev_spec pointer is set to NULL.\n");
+ goto out;
+ }
+
+ dev_spec->kmrn_lock_loss_workaround_enabled = state;
+
+out:
+ return;
+}
+
+/**
+ * e1000_ipg3_phy_powerdown_workaround_ich8lan - Power down workaround on D3
+ * @hw: pointer to the HW structure
+ *
+ * Workaround for 82566 power-down on D3 entry:
+ * 1) disable gigabit link
+ * 2) write VR power-down enable
+ * 3) read it back
+ * Continue if successful, else issue LCD reset and repeat
+ **/
+void
+e1000_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw)
+{
+ u32 reg;
+ u16 data;
+ u8 retry = 0;
+
+ DEBUGFUNC("e1000_igp3_phy_powerdown_workaround_ich8lan");
+
+ if (hw->phy.type != e1000_phy_igp_3)
+ goto out;
+
+ /* Try the workaround twice (if needed) */
+ do {
+ /* Disable link */
+ reg = E1000_READ_REG(hw, E1000_PHY_CTRL);
+ reg |= (E1000_PHY_CTRL_GBE_DISABLE |
+ E1000_PHY_CTRL_NOND0A_GBE_DISABLE);
+ E1000_WRITE_REG(hw, E1000_PHY_CTRL, reg);
+
+ /* Call gig speed drop workaround on Giga disable before
+ * accessing any PHY registers */
+ if (hw->mac.type == e1000_ich8lan)
+ e1000_gig_downshift_workaround_ich8lan(hw);
+
+ /* Write VR power-down enable */
+ e1000_read_phy_reg(hw, IGP3_VR_CTRL, &data);
+ data &= ~IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK;
+ e1000_write_phy_reg(hw,
+ IGP3_VR_CTRL,
+ data | IGP3_VR_CTRL_MODE_SHUTDOWN);
+
+ /* Read it back and test */
+ e1000_read_phy_reg(hw, IGP3_VR_CTRL, &data);
+ if ((data & IGP3_VR_CTRL_MODE_SHUTDOWN) || retry)
+ break;
+
+ /* Issue PHY reset and repeat at most one more time */
+ reg = E1000_READ_REG(hw, E1000_CTRL);
+ E1000_WRITE_REG(hw, E1000_CTRL, reg | E1000_CTRL_PHY_RST);
+ retry++;
+ } while (retry);
+
+out:
+ return;
+}
+
+/**
+ * e1000_gig_downshift_workaround_ich8lan - WoL from S5 stops working
+ * @hw: pointer to the HW structure
+ *
+ * Steps to take when dropping from 1Gb/s (eg. link cable removal (LSC),
+ * LPLU, Giga disable, MDIC PHY reset):
+ * 1) Set Kumeran Near-end loopback
+ * 2) Clear Kumeran Near-end loopback
+ * Should only be called for ICH8[m] devices with IGP_3 Phy.
+ **/
+void
+e1000_gig_downshift_workaround_ich8lan(struct e1000_hw *hw)
+{
+ s32 ret_val = E1000_SUCCESS;
+ u16 reg_data;
+
+ DEBUGFUNC("e1000_gig_downshift_workaround_ich8lan");
+
+ if ((hw->mac.type != e1000_ich8lan) ||
+ (hw->phy.type != e1000_phy_igp_3))
+ goto out;
+
+ ret_val = e1000_read_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET,
+ ®_data);
+ if (ret_val)
+ goto out;
+ reg_data |= E1000_KMRNCTRLSTA_DIAG_NELPBK;
+ ret_val = e1000_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET,
+ reg_data);
+ if (ret_val)
+ goto out;
+ reg_data &= ~E1000_KMRNCTRLSTA_DIAG_NELPBK;
+ ret_val = e1000_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET,
+ reg_data);
+out:
+ return;
+}
+
+/**
+ * e1000_cleanup_led_ich8lan - Restore the default LED operation
+ * @hw: pointer to the HW structure
+ *
+ * Return the LED back to the default configuration.
+ **/
+static s32
+e1000_cleanup_led_ich8lan(struct e1000_hw *hw)
+{
+ s32 ret_val = E1000_SUCCESS;
+
+ DEBUGFUNC("e1000_cleanup_led_ich8lan");
+
+ if (hw->phy.type == e1000_phy_ife)
+ ret_val = e1000_write_phy_reg(hw,
+ IFE_PHY_SPECIAL_CONTROL_LED,
+ 0);
+ else
+ E1000_WRITE_REG(hw, E1000_LEDCTL, hw->mac.ledctl_default);
+
+ return ret_val;
+}
+
+/**
+ * e1000_led_on_ich8lan - Turn LED's on
+ * @hw: pointer to the HW structure
+ *
+ * Turn on the LED's.
+ **/
+static s32
+e1000_led_on_ich8lan(struct e1000_hw *hw)
+{
+ s32 ret_val = E1000_SUCCESS;
+
+ DEBUGFUNC("e1000_led_on_ich8lan");
+
+ if (hw->phy.type == e1000_phy_ife)
+ ret_val = e1000_write_phy_reg(hw,
+ IFE_PHY_SPECIAL_CONTROL_LED,
+ (IFE_PSCL_PROBE_MODE | IFE_PSCL_PROBE_LEDS_ON));
+ else
+ E1000_WRITE_REG(hw, E1000_LEDCTL, hw->mac.ledctl_mode2);
+
+ return ret_val;
+}
+
+/**
+ * e1000_led_off_ich8lan - Turn LED's off
+ * @hw: pointer to the HW structure
+ *
+ * Turn off the LED's.
+ **/
+static s32
+e1000_led_off_ich8lan(struct e1000_hw *hw)
+{
+ s32 ret_val = E1000_SUCCESS;
+
+ DEBUGFUNC("e1000_led_off_ich8lan");
+
+ if (hw->phy.type == e1000_phy_ife)
+ ret_val = e1000_write_phy_reg(hw,
+ IFE_PHY_SPECIAL_CONTROL_LED,
+ (IFE_PSCL_PROBE_MODE | IFE_PSCL_PROBE_LEDS_OFF));
+ else
+ E1000_WRITE_REG(hw, E1000_LEDCTL, hw->mac.ledctl_mode1);
+
+ return ret_val;
+}
+
+/**
+ * e1000_clear_hw_cntrs_ich8lan - Clear statistical counters
+ * @hw: pointer to the HW structure
+ *
+ * Clears hardware counters specific to the silicon family and calls
+ * clear_hw_cntrs_generic to clear all general purpose counters.
+ **/
+static void
+e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw)
+{
+ volatile u32 temp;
+
+ DEBUGFUNC("e1000_clear_hw_cntrs_ich8lan");
+
+ e1000_clear_hw_cntrs_base_generic(hw);
+
+ 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);
+}
+
diff --git a/drivers/net/e1000/e1000_ich8lan.h b/drivers/net/e1000/e1000_ich8lan.h
new file mode 100644
index 0000000..ee904ce
--- /dev/null
+++ b/drivers/net/e1000/e1000_ich8lan.h
@@ -0,0 +1,110 @@
+/*******************************************************************************
+
+ Intel PRO/1000 Linux driver
+ Copyright(c) 1999 - 2007 Intel Corporation.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms and conditions of the GNU General Public License,
+ version 2, as published by the Free Software Foundation.
+
+ This program is distributed in the hope it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ more details.
+
+ You should have received a copy of the GNU General Public License along with
+ this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+ The full GNU General Public License is included in this distribution in
+ the file called "COPYING".
+
+ Contact Information:
+ Linux NICS <linux.nics@...el.com>
+ e1000-devel Mailing List <e1000-devel@...ts.sourceforge.net>
+ Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+#ifndef _E1000_ICH8LAN_H_
+#define _E1000_ICH8LAN_H_
+
+#include "e1000_api.h"
+
+#define ICH_FLASH_GFPREG 0x0000
+#define ICH_FLASH_HSFSTS 0x0004
+#define ICH_FLASH_HSFCTL 0x0006
+#define ICH_FLASH_FADDR 0x0008
+#define ICH_FLASH_FDATA0 0x0010
+
+#define ICH_FLASH_READ_COMMAND_TIMEOUT 500
+#define ICH_FLASH_WRITE_COMMAND_TIMEOUT 500
+#define ICH_FLASH_ERASE_COMMAND_TIMEOUT 3000000
+#define ICH_FLASH_LINEAR_ADDR_MASK 0x00FFFFFF
+#define ICH_FLASH_CYCLE_REPEAT_COUNT 10
+
+#define ICH_CYCLE_READ 0
+#define ICH_CYCLE_WRITE 2
+#define ICH_CYCLE_ERASE 3
+
+#define FLASH_GFPREG_BASE_MASK 0x1FFF
+#define FLASH_SECTOR_ADDR_SHIFT 12
+
+#define E1000_SHADOW_RAM_WORDS 2048
+
+#define ICH_FLASH_SEG_SIZE_256 256
+#define ICH_FLASH_SEG_SIZE_4K 4096
+#define ICH_FLASH_SEG_SIZE_8K 8192
+#define ICH_FLASH_SEG_SIZE_64K 65536
+#define ICH_FLASH_SECTOR_SIZE 4096
+
+#define ICH_FLASH_REG_MAPSIZE 0x00A0
+
+#define E1000_ICH_FWSM_RSPCIPHY 0x00000040 /* Reset PHY on PCI Reset */
+#define E1000_ICH_FWSM_DISSW 0x10000000 /* FW Disables SW Writes */
+#define E1000_ICH_FWSM_FW_VALID 0x00008000 /* FW established a valid
+ * mode.
+ */
+
+#define E1000_ICH_MNG_IAMT_MODE 0x2
+
+#define ID_LED_DEFAULT_ICH8LAN ((ID_LED_DEF1_DEF2 << 12) | \
+ (ID_LED_DEF1_OFF2 << 8) | \
+ (ID_LED_DEF1_ON2 << 4) | \
+ (ID_LED_DEF1_DEF2))
+
+#define E1000_ICH_NVM_SIG_WORD 0x13
+#define E1000_ICH_NVM_SIG_MASK 0xC000
+
+#define E1000_ICH8_LAN_INIT_TIMEOUT 1500
+
+#define E1000_FEXTNVM_SW_CONFIG 1
+#define E1000_FEXTNVM_SW_CONFIG_ICH8M (1 << 27) /* Bit redefined for ICH8M :/ */
+
+#define PCIE_ICH8_SNOOP_ALL PCIE_NO_SNOOP_ALL
+
+#define E1000_ICH_RAR_ENTRIES 7
+
+#define PHY_PAGE_SHIFT 5
+#define PHY_REG(page, reg) (((page) << PHY_PAGE_SHIFT) | \
+ ((reg) & MAX_PHY_REG_ADDRESS))
+#define IGP3_KMRN_DIAG PHY_REG(770, 19) /* KMRN Diagnostic */
+#define IGP3_VR_CTRL PHY_REG(776, 18) /* Voltage Regulator Control */
+#define IGP3_CAPABILITY PHY_REG(776, 19) /* Capability */
+#define IGP3_PM_CTRL PHY_REG(769, 20) /* Power Management Control */
+
+#define IGP3_KMRN_DIAG_PCS_LOCK_LOSS 0x0002
+#define IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK 0x0300
+#define IGP3_VR_CTRL_MODE_SHUTDOWN 0x0200
+#define IGP3_PM_CTRL_FORCE_PWR_DOWN 0x0020
+
+/* Additional interrupts need to be handled for ICH family:
+ DSW = The FW changed the status of the DISSW bit in FWSM
+ PHYINT = The LAN connected device generates an interrupt
+ EPRST = Manageability reset event */
+#define IMS_ICH_ENABLE_MASK (\
+ E1000_IMS_DSW | \
+ E1000_IMS_PHYINT | \
+ E1000_IMS_EPRST)
+
+#endif
-
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