intel: Move the Intel wired LAN drivers
[pandora-kernel.git] / drivers / net / igb / e1000_82575.c
diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
deleted file mode 100644 (file)
index c0857bd..0000000
+++ /dev/null
@@ -1,2084 +0,0 @@
-/*******************************************************************************
-
-  Intel(R) Gigabit Ethernet Linux driver
-  Copyright(c) 2007-2011 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:
-  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
-  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
-
-*******************************************************************************/
-
-/* e1000_82575
- * e1000_82576
- */
-
-#include <linux/types.h>
-#include <linux/if_ether.h>
-
-#include "e1000_mac.h"
-#include "e1000_82575.h"
-
-static s32  igb_get_invariants_82575(struct e1000_hw *);
-static s32  igb_acquire_phy_82575(struct e1000_hw *);
-static void igb_release_phy_82575(struct e1000_hw *);
-static s32  igb_acquire_nvm_82575(struct e1000_hw *);
-static void igb_release_nvm_82575(struct e1000_hw *);
-static s32  igb_check_for_link_82575(struct e1000_hw *);
-static s32  igb_get_cfg_done_82575(struct e1000_hw *);
-static s32  igb_init_hw_82575(struct e1000_hw *);
-static s32  igb_phy_hw_reset_sgmii_82575(struct e1000_hw *);
-static s32  igb_read_phy_reg_sgmii_82575(struct e1000_hw *, u32, u16 *);
-static s32  igb_read_phy_reg_82580(struct e1000_hw *, u32, u16 *);
-static s32  igb_write_phy_reg_82580(struct e1000_hw *, u32, u16);
-static s32  igb_reset_hw_82575(struct e1000_hw *);
-static s32  igb_reset_hw_82580(struct e1000_hw *);
-static s32  igb_set_d0_lplu_state_82575(struct e1000_hw *, bool);
-static s32  igb_setup_copper_link_82575(struct e1000_hw *);
-static s32  igb_setup_serdes_link_82575(struct e1000_hw *);
-static s32  igb_write_phy_reg_sgmii_82575(struct e1000_hw *, u32, u16);
-static void igb_clear_hw_cntrs_82575(struct e1000_hw *);
-static s32  igb_acquire_swfw_sync_82575(struct e1000_hw *, u16);
-static s32  igb_get_pcs_speed_and_duplex_82575(struct e1000_hw *, u16 *,
-                                                u16 *);
-static s32  igb_get_phy_id_82575(struct e1000_hw *);
-static void igb_release_swfw_sync_82575(struct e1000_hw *, u16);
-static bool igb_sgmii_active_82575(struct e1000_hw *);
-static s32  igb_reset_init_script_82575(struct e1000_hw *);
-static s32  igb_read_mac_addr_82575(struct e1000_hw *);
-static s32  igb_set_pcie_completion_timeout(struct e1000_hw *hw);
-static s32  igb_reset_mdicnfg_82580(struct e1000_hw *hw);
-static s32  igb_validate_nvm_checksum_82580(struct e1000_hw *hw);
-static s32  igb_update_nvm_checksum_82580(struct e1000_hw *hw);
-static s32  igb_update_nvm_checksum_with_offset(struct e1000_hw *hw,
-                                               u16 offset);
-static s32 igb_validate_nvm_checksum_with_offset(struct e1000_hw *hw,
-                                               u16 offset);
-static s32 igb_validate_nvm_checksum_i350(struct e1000_hw *hw);
-static s32 igb_update_nvm_checksum_i350(struct e1000_hw *hw);
-static const u16 e1000_82580_rxpbs_table[] =
-       { 36, 72, 144, 1, 2, 4, 8, 16,
-         35, 70, 140 };
-#define E1000_82580_RXPBS_TABLE_SIZE \
-       (sizeof(e1000_82580_rxpbs_table)/sizeof(u16))
-
-/**
- *  igb_sgmii_uses_mdio_82575 - Determine if I2C pins are for external MDIO
- *  @hw: pointer to the HW structure
- *
- *  Called to determine if the I2C pins are being used for I2C or as an
- *  external MDIO interface since the two options are mutually exclusive.
- **/
-static bool igb_sgmii_uses_mdio_82575(struct e1000_hw *hw)
-{
-       u32 reg = 0;
-       bool ext_mdio = false;
-
-       switch (hw->mac.type) {
-       case e1000_82575:
-       case e1000_82576:
-               reg = rd32(E1000_MDIC);
-               ext_mdio = !!(reg & E1000_MDIC_DEST);
-               break;
-       case e1000_82580:
-       case e1000_i350:
-               reg = rd32(E1000_MDICNFG);
-               ext_mdio = !!(reg & E1000_MDICNFG_EXT_MDIO);
-               break;
-       default:
-               break;
-       }
-       return ext_mdio;
-}
-
-static s32 igb_get_invariants_82575(struct e1000_hw *hw)
-{
-       struct e1000_phy_info *phy = &hw->phy;
-       struct e1000_nvm_info *nvm = &hw->nvm;
-       struct e1000_mac_info *mac = &hw->mac;
-       struct e1000_dev_spec_82575 * dev_spec = &hw->dev_spec._82575;
-       u32 eecd;
-       s32 ret_val;
-       u16 size;
-       u32 ctrl_ext = 0;
-
-       switch (hw->device_id) {
-       case E1000_DEV_ID_82575EB_COPPER:
-       case E1000_DEV_ID_82575EB_FIBER_SERDES:
-       case E1000_DEV_ID_82575GB_QUAD_COPPER:
-               mac->type = e1000_82575;
-               break;
-       case E1000_DEV_ID_82576:
-       case E1000_DEV_ID_82576_NS:
-       case E1000_DEV_ID_82576_NS_SERDES:
-       case E1000_DEV_ID_82576_FIBER:
-       case E1000_DEV_ID_82576_SERDES:
-       case E1000_DEV_ID_82576_QUAD_COPPER:
-       case E1000_DEV_ID_82576_QUAD_COPPER_ET2:
-       case E1000_DEV_ID_82576_SERDES_QUAD:
-               mac->type = e1000_82576;
-               break;
-       case E1000_DEV_ID_82580_COPPER:
-       case E1000_DEV_ID_82580_FIBER:
-       case E1000_DEV_ID_82580_QUAD_FIBER:
-       case E1000_DEV_ID_82580_SERDES:
-       case E1000_DEV_ID_82580_SGMII:
-       case E1000_DEV_ID_82580_COPPER_DUAL:
-       case E1000_DEV_ID_DH89XXCC_SGMII:
-       case E1000_DEV_ID_DH89XXCC_SERDES:
-       case E1000_DEV_ID_DH89XXCC_BACKPLANE:
-       case E1000_DEV_ID_DH89XXCC_SFP:
-               mac->type = e1000_82580;
-               break;
-       case E1000_DEV_ID_I350_COPPER:
-       case E1000_DEV_ID_I350_FIBER:
-       case E1000_DEV_ID_I350_SERDES:
-       case E1000_DEV_ID_I350_SGMII:
-               mac->type = e1000_i350;
-               break;
-       default:
-               return -E1000_ERR_MAC_INIT;
-               break;
-       }
-
-       /* Set media type */
-       /*
-        * The 82575 uses bits 22:23 for link mode. The mode can be changed
-        * based on the EEPROM. We cannot rely upon device ID. There
-        * is no distinguishable difference between fiber and internal
-        * SerDes mode on the 82575. There can be an external PHY attached
-        * on the SGMII interface. For this, we'll set sgmii_active to true.
-        */
-       phy->media_type = e1000_media_type_copper;
-       dev_spec->sgmii_active = false;
-
-       ctrl_ext = rd32(E1000_CTRL_EXT);
-       switch (ctrl_ext & E1000_CTRL_EXT_LINK_MODE_MASK) {
-       case E1000_CTRL_EXT_LINK_MODE_SGMII:
-               dev_spec->sgmii_active = true;
-               break;
-       case E1000_CTRL_EXT_LINK_MODE_1000BASE_KX:
-       case E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES:
-               hw->phy.media_type = e1000_media_type_internal_serdes;
-               break;
-       default:
-               break;
-       }
-
-       /* Set mta register count */
-       mac->mta_reg_count = 128;
-       /* Set rar entry count */
-       mac->rar_entry_count = E1000_RAR_ENTRIES_82575;
-       if (mac->type == e1000_82576)
-               mac->rar_entry_count = E1000_RAR_ENTRIES_82576;
-       if (mac->type == e1000_82580)
-               mac->rar_entry_count = E1000_RAR_ENTRIES_82580;
-       if (mac->type == e1000_i350)
-               mac->rar_entry_count = E1000_RAR_ENTRIES_I350;
-       /* reset */
-       if (mac->type >= e1000_82580)
-               mac->ops.reset_hw = igb_reset_hw_82580;
-       else
-               mac->ops.reset_hw = igb_reset_hw_82575;
-       /* Set if part includes ASF firmware */
-       mac->asf_firmware_present = true;
-       /* Set if manageability features are enabled. */
-       mac->arc_subsystem_valid =
-               (rd32(E1000_FWSM) & E1000_FWSM_MODE_MASK)
-                       ? true : false;
-       /* enable EEE on i350 parts */
-       if (mac->type == e1000_i350)
-               dev_spec->eee_disable = false;
-       else
-               dev_spec->eee_disable = true;
-       /* physical interface link setup */
-       mac->ops.setup_physical_interface =
-               (hw->phy.media_type == e1000_media_type_copper)
-                       ? igb_setup_copper_link_82575
-                       : igb_setup_serdes_link_82575;
-
-       /* NVM initialization */
-       eecd = rd32(E1000_EECD);
-
-       nvm->opcode_bits        = 8;
-       nvm->delay_usec         = 1;
-       switch (nvm->override) {
-       case e1000_nvm_override_spi_large:
-               nvm->page_size    = 32;
-               nvm->address_bits = 16;
-               break;
-       case e1000_nvm_override_spi_small:
-               nvm->page_size    = 8;
-               nvm->address_bits = 8;
-               break;
-       default:
-               nvm->page_size    = eecd & E1000_EECD_ADDR_BITS ? 32 : 8;
-               nvm->address_bits = eecd & E1000_EECD_ADDR_BITS ? 16 : 8;
-               break;
-       }
-
-       nvm->type = e1000_nvm_eeprom_spi;
-
-       size = (u16)((eecd & E1000_EECD_SIZE_EX_MASK) >>
-                    E1000_EECD_SIZE_EX_SHIFT);
-
-       /*
-        * Added to a constant, "size" becomes the left-shift value
-        * for setting word_size.
-        */
-       size += NVM_WORD_SIZE_BASE_SHIFT;
-
-       /*
-        * Check for invalid size
-        */
-       if ((hw->mac.type == e1000_82576) && (size > 15)) {
-               printk("igb: The NVM size is not valid, "
-                       "defaulting to 32K.\n");
-               size = 15;
-       }
-       nvm->word_size = 1 << size;
-       if (nvm->word_size == (1 << 15))
-               nvm->page_size = 128;
-
-       /* NVM Function Pointers */
-       nvm->ops.acquire = igb_acquire_nvm_82575;
-       if (nvm->word_size < (1 << 15))
-               nvm->ops.read = igb_read_nvm_eerd;
-       else
-               nvm->ops.read = igb_read_nvm_spi;
-
-       nvm->ops.release = igb_release_nvm_82575;
-       switch (hw->mac.type) {
-       case e1000_82580:
-               nvm->ops.validate = igb_validate_nvm_checksum_82580;
-               nvm->ops.update = igb_update_nvm_checksum_82580;
-               break;
-       case e1000_i350:
-               nvm->ops.validate = igb_validate_nvm_checksum_i350;
-               nvm->ops.update = igb_update_nvm_checksum_i350;
-               break;
-       default:
-               nvm->ops.validate = igb_validate_nvm_checksum;
-               nvm->ops.update = igb_update_nvm_checksum;
-       }
-       nvm->ops.write = igb_write_nvm_spi;
-
-       /* if part supports SR-IOV then initialize mailbox parameters */
-       switch (mac->type) {
-       case e1000_82576:
-       case e1000_i350:
-               igb_init_mbx_params_pf(hw);
-               break;
-       default:
-               break;
-       }
-
-       /* setup PHY parameters */
-       if (phy->media_type != e1000_media_type_copper) {
-               phy->type = e1000_phy_none;
-               return 0;
-       }
-
-       phy->autoneg_mask        = AUTONEG_ADVERTISE_SPEED_DEFAULT;
-       phy->reset_delay_us      = 100;
-
-       ctrl_ext = rd32(E1000_CTRL_EXT);
-
-       /* PHY function pointers */
-       if (igb_sgmii_active_82575(hw)) {
-               phy->ops.reset      = igb_phy_hw_reset_sgmii_82575;
-               ctrl_ext |= E1000_CTRL_I2C_ENA;
-       } else {
-               phy->ops.reset      = igb_phy_hw_reset;
-               ctrl_ext &= ~E1000_CTRL_I2C_ENA;
-       }
-
-       wr32(E1000_CTRL_EXT, ctrl_ext);
-       igb_reset_mdicnfg_82580(hw);
-
-       if (igb_sgmii_active_82575(hw) && !igb_sgmii_uses_mdio_82575(hw)) {
-               phy->ops.read_reg   = igb_read_phy_reg_sgmii_82575;
-               phy->ops.write_reg  = igb_write_phy_reg_sgmii_82575;
-       } else if (hw->mac.type >= e1000_82580) {
-               phy->ops.read_reg   = igb_read_phy_reg_82580;
-               phy->ops.write_reg  = igb_write_phy_reg_82580;
-       } else {
-               phy->ops.read_reg   = igb_read_phy_reg_igp;
-               phy->ops.write_reg  = igb_write_phy_reg_igp;
-       }
-
-       /* set lan id */
-       hw->bus.func = (rd32(E1000_STATUS) & E1000_STATUS_FUNC_MASK) >>
-                      E1000_STATUS_FUNC_SHIFT;
-
-       /* Set phy->phy_addr and phy->id. */
-       ret_val = igb_get_phy_id_82575(hw);
-       if (ret_val)
-               return ret_val;
-
-       /* Verify phy id and set remaining function pointers */
-       switch (phy->id) {
-       case I347AT4_E_PHY_ID:
-       case M88E1112_E_PHY_ID:
-       case M88E1111_I_PHY_ID:
-               phy->type                   = e1000_phy_m88;
-               phy->ops.get_phy_info       = igb_get_phy_info_m88;
-
-               if (phy->id == I347AT4_E_PHY_ID ||
-                   phy->id == M88E1112_E_PHY_ID)
-                       phy->ops.get_cable_length = igb_get_cable_length_m88_gen2;
-               else
-                       phy->ops.get_cable_length = igb_get_cable_length_m88;
-
-               phy->ops.force_speed_duplex = igb_phy_force_speed_duplex_m88;
-               break;
-       case IGP03E1000_E_PHY_ID:
-               phy->type                   = e1000_phy_igp_3;
-               phy->ops.get_phy_info       = igb_get_phy_info_igp;
-               phy->ops.get_cable_length   = igb_get_cable_length_igp_2;
-               phy->ops.force_speed_duplex = igb_phy_force_speed_duplex_igp;
-               phy->ops.set_d0_lplu_state  = igb_set_d0_lplu_state_82575;
-               phy->ops.set_d3_lplu_state  = igb_set_d3_lplu_state;
-               break;
-       case I82580_I_PHY_ID:
-       case I350_I_PHY_ID:
-               phy->type                   = e1000_phy_82580;
-               phy->ops.force_speed_duplex = igb_phy_force_speed_duplex_82580;
-               phy->ops.get_cable_length   = igb_get_cable_length_82580;
-               phy->ops.get_phy_info       = igb_get_phy_info_82580;
-               break;
-       default:
-               return -E1000_ERR_PHY;
-       }
-
-       return 0;
-}
-
-/**
- *  igb_acquire_phy_82575 - Acquire rights to access PHY
- *  @hw: pointer to the HW structure
- *
- *  Acquire access rights to the correct PHY.  This is a
- *  function pointer entry point called by the api module.
- **/
-static s32 igb_acquire_phy_82575(struct e1000_hw *hw)
-{
-       u16 mask = E1000_SWFW_PHY0_SM;
-
-       if (hw->bus.func == E1000_FUNC_1)
-               mask = E1000_SWFW_PHY1_SM;
-       else if (hw->bus.func == E1000_FUNC_2)
-               mask = E1000_SWFW_PHY2_SM;
-       else if (hw->bus.func == E1000_FUNC_3)
-               mask = E1000_SWFW_PHY3_SM;
-
-       return igb_acquire_swfw_sync_82575(hw, mask);
-}
-
-/**
- *  igb_release_phy_82575 - Release rights to access PHY
- *  @hw: pointer to the HW structure
- *
- *  A wrapper to release access rights to the correct PHY.  This is a
- *  function pointer entry point called by the api module.
- **/
-static void igb_release_phy_82575(struct e1000_hw *hw)
-{
-       u16 mask = E1000_SWFW_PHY0_SM;
-
-       if (hw->bus.func == E1000_FUNC_1)
-               mask = E1000_SWFW_PHY1_SM;
-       else if (hw->bus.func == E1000_FUNC_2)
-               mask = E1000_SWFW_PHY2_SM;
-       else if (hw->bus.func == E1000_FUNC_3)
-               mask = E1000_SWFW_PHY3_SM;
-
-       igb_release_swfw_sync_82575(hw, mask);
-}
-
-/**
- *  igb_read_phy_reg_sgmii_82575 - Read PHY register using sgmii
- *  @hw: pointer to the HW structure
- *  @offset: register offset to be read
- *  @data: pointer to the read data
- *
- *  Reads the PHY register at offset using the serial gigabit media independent
- *  interface and stores the retrieved information in data.
- **/
-static s32 igb_read_phy_reg_sgmii_82575(struct e1000_hw *hw, u32 offset,
-                                         u16 *data)
-{
-       s32 ret_val = -E1000_ERR_PARAM;
-
-       if (offset > E1000_MAX_SGMII_PHY_REG_ADDR) {
-               hw_dbg("PHY Address %u is out of range\n", offset);
-               goto out;
-       }
-
-       ret_val = hw->phy.ops.acquire(hw);
-       if (ret_val)
-               goto out;
-
-       ret_val = igb_read_phy_reg_i2c(hw, offset, data);
-
-       hw->phy.ops.release(hw);
-
-out:
-       return ret_val;
-}
-
-/**
- *  igb_write_phy_reg_sgmii_82575 - Write PHY register using sgmii
- *  @hw: pointer to the HW structure
- *  @offset: register offset to write to
- *  @data: data to write at register offset
- *
- *  Writes the data to PHY register at the offset using the serial gigabit
- *  media independent interface.
- **/
-static s32 igb_write_phy_reg_sgmii_82575(struct e1000_hw *hw, u32 offset,
-                                          u16 data)
-{
-       s32 ret_val = -E1000_ERR_PARAM;
-
-
-       if (offset > E1000_MAX_SGMII_PHY_REG_ADDR) {
-               hw_dbg("PHY Address %d is out of range\n", offset);
-               goto out;
-       }
-
-       ret_val = hw->phy.ops.acquire(hw);
-       if (ret_val)
-               goto out;
-
-       ret_val = igb_write_phy_reg_i2c(hw, offset, data);
-
-       hw->phy.ops.release(hw);
-
-out:
-       return ret_val;
-}
-
-/**
- *  igb_get_phy_id_82575 - Retrieve PHY addr and id
- *  @hw: pointer to the HW structure
- *
- *  Retrieves the PHY address and ID for both PHY's which do and do not use
- *  sgmi interface.
- **/
-static s32 igb_get_phy_id_82575(struct e1000_hw *hw)
-{
-       struct e1000_phy_info *phy = &hw->phy;
-       s32  ret_val = 0;
-       u16 phy_id;
-       u32 ctrl_ext;
-       u32 mdic;
-
-       /*
-        * For SGMII PHYs, we try the list of possible addresses until
-        * we find one that works.  For non-SGMII PHYs
-        * (e.g. integrated copper PHYs), an address of 1 should
-        * work.  The result of this function should mean phy->phy_addr
-        * and phy->id are set correctly.
-        */
-       if (!(igb_sgmii_active_82575(hw))) {
-               phy->addr = 1;
-               ret_val = igb_get_phy_id(hw);
-               goto out;
-       }
-
-       if (igb_sgmii_uses_mdio_82575(hw)) {
-               switch (hw->mac.type) {
-               case e1000_82575:
-               case e1000_82576:
-                       mdic = rd32(E1000_MDIC);
-                       mdic &= E1000_MDIC_PHY_MASK;
-                       phy->addr = mdic >> E1000_MDIC_PHY_SHIFT;
-                       break;
-               case e1000_82580:
-               case e1000_i350:
-                       mdic = rd32(E1000_MDICNFG);
-                       mdic &= E1000_MDICNFG_PHY_MASK;
-                       phy->addr = mdic >> E1000_MDICNFG_PHY_SHIFT;
-                       break;
-               default:
-                       ret_val = -E1000_ERR_PHY;
-                       goto out;
-                       break;
-               }
-               ret_val = igb_get_phy_id(hw);
-               goto out;
-       }
-
-       /* Power on sgmii phy if it is disabled */
-       ctrl_ext = rd32(E1000_CTRL_EXT);
-       wr32(E1000_CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_SDP3_DATA);
-       wrfl();
-       msleep(300);
-
-       /*
-        * The address field in the I2CCMD register is 3 bits and 0 is invalid.
-        * Therefore, we need to test 1-7
-        */
-       for (phy->addr = 1; phy->addr < 8; phy->addr++) {
-               ret_val = igb_read_phy_reg_sgmii_82575(hw, PHY_ID1, &phy_id);
-               if (ret_val == 0) {
-                       hw_dbg("Vendor ID 0x%08X read at address %u\n",
-                              phy_id, phy->addr);
-                       /*
-                        * At the time of this writing, The M88 part is
-                        * the only supported SGMII PHY product.
-                        */
-                       if (phy_id == M88_VENDOR)
-                               break;
-               } else {
-                       hw_dbg("PHY address %u was unreadable\n", phy->addr);
-               }
-       }
-
-       /* A valid PHY type couldn't be found. */
-       if (phy->addr == 8) {
-               phy->addr = 0;
-               ret_val = -E1000_ERR_PHY;
-               goto out;
-       } else {
-               ret_val = igb_get_phy_id(hw);
-       }
-
-       /* restore previous sfp cage power state */
-       wr32(E1000_CTRL_EXT, ctrl_ext);
-
-out:
-       return ret_val;
-}
-
-/**
- *  igb_phy_hw_reset_sgmii_82575 - Performs a PHY reset
- *  @hw: pointer to the HW structure
- *
- *  Resets the PHY using the serial gigabit media independent interface.
- **/
-static s32 igb_phy_hw_reset_sgmii_82575(struct e1000_hw *hw)
-{
-       s32 ret_val;
-
-       /*
-        * This isn't a true "hard" reset, but is the only reset
-        * available to us at this time.
-        */
-
-       hw_dbg("Soft resetting SGMII attached PHY...\n");
-
-       /*
-        * SFP documentation requires the following to configure the SPF module
-        * to work on SGMII.  No further documentation is given.
-        */
-       ret_val = hw->phy.ops.write_reg(hw, 0x1B, 0x8084);
-       if (ret_val)
-               goto out;
-
-       ret_val = igb_phy_sw_reset(hw);
-
-out:
-       return ret_val;
-}
-
-/**
- *  igb_set_d0_lplu_state_82575 - 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 igb_set_d0_lplu_state_82575(struct e1000_hw *hw, bool active)
-{
-       struct e1000_phy_info *phy = &hw->phy;
-       s32 ret_val;
-       u16 data;
-
-       ret_val = phy->ops.read_reg(hw, IGP02E1000_PHY_POWER_MGMT, &data);
-       if (ret_val)
-               goto out;
-
-       if (active) {
-               data |= IGP02E1000_PM_D0_LPLU;
-               ret_val = phy->ops.write_reg(hw, IGP02E1000_PHY_POWER_MGMT,
-                                                data);
-               if (ret_val)
-                       goto out;
-
-               /* When LPLU is enabled, we should disable SmartSpeed */
-               ret_val = phy->ops.read_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
-                                               &data);
-               data &= ~IGP01E1000_PSCFR_SMART_SPEED;
-               ret_val = phy->ops.write_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
-                                                data);
-               if (ret_val)
-                       goto out;
-       } else {
-               data &= ~IGP02E1000_PM_D0_LPLU;
-               ret_val = phy->ops.write_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 = phy->ops.read_reg(hw,
-                                       IGP01E1000_PHY_PORT_CONFIG, &data);
-                       if (ret_val)
-                               goto out;
-
-                       data |= IGP01E1000_PSCFR_SMART_SPEED;
-                       ret_val = phy->ops.write_reg(hw,
-                                       IGP01E1000_PHY_PORT_CONFIG, data);
-                       if (ret_val)
-                               goto out;
-               } else if (phy->smart_speed == e1000_smart_speed_off) {
-                       ret_val = phy->ops.read_reg(hw,
-                                       IGP01E1000_PHY_PORT_CONFIG, &data);
-                       if (ret_val)
-                               goto out;
-
-                       data &= ~IGP01E1000_PSCFR_SMART_SPEED;
-                       ret_val = phy->ops.write_reg(hw,
-                                       IGP01E1000_PHY_PORT_CONFIG, data);
-                       if (ret_val)
-                               goto out;
-               }
-       }
-
-out:
-       return ret_val;
-}
-
-/**
- *  igb_acquire_nvm_82575 - Request for access to EEPROM
- *  @hw: pointer to the HW structure
- *
- *  Acquire the necessary semaphores for exclusive access to the EEPROM.
- *  Set the EEPROM access request bit and wait for EEPROM access grant bit.
- *  Return successful if access grant bit set, else clear the request for
- *  EEPROM access and return -E1000_ERR_NVM (-1).
- **/
-static s32 igb_acquire_nvm_82575(struct e1000_hw *hw)
-{
-       s32 ret_val;
-
-       ret_val = igb_acquire_swfw_sync_82575(hw, E1000_SWFW_EEP_SM);
-       if (ret_val)
-               goto out;
-
-       ret_val = igb_acquire_nvm(hw);
-
-       if (ret_val)
-               igb_release_swfw_sync_82575(hw, E1000_SWFW_EEP_SM);
-
-out:
-       return ret_val;
-}
-
-/**
- *  igb_release_nvm_82575 - Release exclusive access to EEPROM
- *  @hw: pointer to the HW structure
- *
- *  Stop any current commands to the EEPROM and clear the EEPROM request bit,
- *  then release the semaphores acquired.
- **/
-static void igb_release_nvm_82575(struct e1000_hw *hw)
-{
-       igb_release_nvm(hw);
-       igb_release_swfw_sync_82575(hw, E1000_SWFW_EEP_SM);
-}
-
-/**
- *  igb_acquire_swfw_sync_82575 - Acquire SW/FW semaphore
- *  @hw: pointer to the HW structure
- *  @mask: specifies which semaphore to acquire
- *
- *  Acquire the SW/FW semaphore to access the PHY or NVM.  The mask
- *  will also specify which port we're acquiring the lock for.
- **/
-static s32 igb_acquire_swfw_sync_82575(struct e1000_hw *hw, u16 mask)
-{
-       u32 swfw_sync;
-       u32 swmask = mask;
-       u32 fwmask = mask << 16;
-       s32 ret_val = 0;
-       s32 i = 0, timeout = 200; /* FIXME: find real value to use here */
-
-       while (i < timeout) {
-               if (igb_get_hw_semaphore(hw)) {
-                       ret_val = -E1000_ERR_SWFW_SYNC;
-                       goto out;
-               }
-
-               swfw_sync = rd32(E1000_SW_FW_SYNC);
-               if (!(swfw_sync & (fwmask | swmask)))
-                       break;
-
-               /*
-                * Firmware currently using resource (fwmask)
-                * or other software thread using resource (swmask)
-                */
-               igb_put_hw_semaphore(hw);
-               mdelay(5);
-               i++;
-       }
-
-       if (i == timeout) {
-               hw_dbg("Driver can't access resource, SW_FW_SYNC timeout.\n");
-               ret_val = -E1000_ERR_SWFW_SYNC;
-               goto out;
-       }
-
-       swfw_sync |= swmask;
-       wr32(E1000_SW_FW_SYNC, swfw_sync);
-
-       igb_put_hw_semaphore(hw);
-
-out:
-       return ret_val;
-}
-
-/**
- *  igb_release_swfw_sync_82575 - Release SW/FW semaphore
- *  @hw: pointer to the HW structure
- *  @mask: specifies which semaphore to acquire
- *
- *  Release the SW/FW semaphore used to access the PHY or NVM.  The mask
- *  will also specify which port we're releasing the lock for.
- **/
-static void igb_release_swfw_sync_82575(struct e1000_hw *hw, u16 mask)
-{
-       u32 swfw_sync;
-
-       while (igb_get_hw_semaphore(hw) != 0);
-       /* Empty */
-
-       swfw_sync = rd32(E1000_SW_FW_SYNC);
-       swfw_sync &= ~mask;
-       wr32(E1000_SW_FW_SYNC, swfw_sync);
-
-       igb_put_hw_semaphore(hw);
-}
-
-/**
- *  igb_get_cfg_done_82575 - Read config done bit
- *  @hw: pointer to the HW structure
- *
- *  Read the management control register for the config done bit for
- *  completion status.  NOTE: silicon which is EEPROM-less will fail trying
- *  to read the config done bit, so an error is *ONLY* logged and returns
- *  0.  If we were to return with error, EEPROM-less silicon
- *  would not be able to be reset or change link.
- **/
-static s32 igb_get_cfg_done_82575(struct e1000_hw *hw)
-{
-       s32 timeout = PHY_CFG_TIMEOUT;
-       s32 ret_val = 0;
-       u32 mask = E1000_NVM_CFG_DONE_PORT_0;
-
-       if (hw->bus.func == 1)
-               mask = E1000_NVM_CFG_DONE_PORT_1;
-       else if (hw->bus.func == E1000_FUNC_2)
-               mask = E1000_NVM_CFG_DONE_PORT_2;
-       else if (hw->bus.func == E1000_FUNC_3)
-               mask = E1000_NVM_CFG_DONE_PORT_3;
-
-       while (timeout) {
-               if (rd32(E1000_EEMNGCTL) & mask)
-                       break;
-               msleep(1);
-               timeout--;
-       }
-       if (!timeout)
-               hw_dbg("MNG configuration cycle has not completed.\n");
-
-       /* If EEPROM is not marked present, init the PHY manually */
-       if (((rd32(E1000_EECD) & E1000_EECD_PRES) == 0) &&
-           (hw->phy.type == e1000_phy_igp_3))
-               igb_phy_init_script_igp3(hw);
-
-       return ret_val;
-}
-
-/**
- *  igb_check_for_link_82575 - Check for link
- *  @hw: pointer to the HW structure
- *
- *  If sgmii is enabled, then use the pcs register to determine link, otherwise
- *  use the generic interface for determining link.
- **/
-static s32 igb_check_for_link_82575(struct e1000_hw *hw)
-{
-       s32 ret_val;
-       u16 speed, duplex;
-
-       if (hw->phy.media_type != e1000_media_type_copper) {
-               ret_val = igb_get_pcs_speed_and_duplex_82575(hw, &speed,
-                                                            &duplex);
-               /*
-                * Use this flag to determine if link needs to be checked or
-                * not.  If  we have link clear the flag so that we do not
-                * continue to check for link.
-                */
-               hw->mac.get_link_status = !hw->mac.serdes_has_link;
-       } else {
-               ret_val = igb_check_for_copper_link(hw);
-       }
-
-       return ret_val;
-}
-
-/**
- *  igb_power_up_serdes_link_82575 - Power up the serdes link after shutdown
- *  @hw: pointer to the HW structure
- **/
-void igb_power_up_serdes_link_82575(struct e1000_hw *hw)
-{
-       u32 reg;
-
-
-       if ((hw->phy.media_type != e1000_media_type_internal_serdes) &&
-           !igb_sgmii_active_82575(hw))
-               return;
-
-       /* Enable PCS to turn on link */
-       reg = rd32(E1000_PCS_CFG0);
-       reg |= E1000_PCS_CFG_PCS_EN;
-       wr32(E1000_PCS_CFG0, reg);
-
-       /* Power up the laser */
-       reg = rd32(E1000_CTRL_EXT);
-       reg &= ~E1000_CTRL_EXT_SDP3_DATA;
-       wr32(E1000_CTRL_EXT, reg);
-
-       /* flush the write to verify completion */
-       wrfl();
-       msleep(1);
-}
-
-/**
- *  igb_get_pcs_speed_and_duplex_82575 - Retrieve current speed/duplex
- *  @hw: pointer to the HW structure
- *  @speed: stores the current speed
- *  @duplex: stores the current duplex
- *
- *  Using the physical coding sub-layer (PCS), retrieve the current speed and
- *  duplex, then store the values in the pointers provided.
- **/
-static s32 igb_get_pcs_speed_and_duplex_82575(struct e1000_hw *hw, u16 *speed,
-                                               u16 *duplex)
-{
-       struct e1000_mac_info *mac = &hw->mac;
-       u32 pcs;
-
-       /* Set up defaults for the return values of this function */
-       mac->serdes_has_link = false;
-       *speed = 0;
-       *duplex = 0;
-
-       /*
-        * Read the PCS Status register for link state. For non-copper mode,
-        * the status register is not accurate. The PCS status register is
-        * used instead.
-        */
-       pcs = rd32(E1000_PCS_LSTAT);
-
-       /*
-        * The link up bit determines when link is up on autoneg. The sync ok
-        * gets set once both sides sync up and agree upon link. Stable link
-        * can be determined by checking for both link up and link sync ok
-        */
-       if ((pcs & E1000_PCS_LSTS_LINK_OK) && (pcs & E1000_PCS_LSTS_SYNK_OK)) {
-               mac->serdes_has_link = true;
-
-               /* Detect and store PCS speed */
-               if (pcs & E1000_PCS_LSTS_SPEED_1000) {
-                       *speed = SPEED_1000;
-               } else if (pcs & E1000_PCS_LSTS_SPEED_100) {
-                       *speed = SPEED_100;
-               } else {
-                       *speed = SPEED_10;
-               }
-
-               /* Detect and store PCS duplex */
-               if (pcs & E1000_PCS_LSTS_DUPLEX_FULL) {
-                       *duplex = FULL_DUPLEX;
-               } else {
-                       *duplex = HALF_DUPLEX;
-               }
-       }
-
-       return 0;
-}
-
-/**
- *  igb_shutdown_serdes_link_82575 - Remove link during power down
- *  @hw: pointer to the HW structure
- *
- *  In the case of fiber serdes, shut down optics and PCS on driver unload
- *  when management pass thru is not enabled.
- **/
-void igb_shutdown_serdes_link_82575(struct e1000_hw *hw)
-{
-       u32 reg;
-
-       if (hw->phy.media_type != e1000_media_type_internal_serdes &&
-           igb_sgmii_active_82575(hw))
-               return;
-
-       if (!igb_enable_mng_pass_thru(hw)) {
-               /* Disable PCS to turn off link */
-               reg = rd32(E1000_PCS_CFG0);
-               reg &= ~E1000_PCS_CFG_PCS_EN;
-               wr32(E1000_PCS_CFG0, reg);
-
-               /* shutdown the laser */
-               reg = rd32(E1000_CTRL_EXT);
-               reg |= E1000_CTRL_EXT_SDP3_DATA;
-               wr32(E1000_CTRL_EXT, reg);
-
-               /* flush the write to verify completion */
-               wrfl();
-               msleep(1);
-       }
-}
-
-/**
- *  igb_reset_hw_82575 - 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 igb_reset_hw_82575(struct e1000_hw *hw)
-{
-       u32 ctrl, icr;
-       s32 ret_val;
-
-       /*
-        * 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 = igb_disable_pcie_master(hw);
-       if (ret_val)
-               hw_dbg("PCI-E Master disable polling has failed.\n");
-
-       /* set the completion timeout for interface */
-       ret_val = igb_set_pcie_completion_timeout(hw);
-       if (ret_val) {
-               hw_dbg("PCI-E Set completion timeout has failed.\n");
-       }
-
-       hw_dbg("Masking off all interrupts\n");
-       wr32(E1000_IMC, 0xffffffff);
-
-       wr32(E1000_RCTL, 0);
-       wr32(E1000_TCTL, E1000_TCTL_PSP);
-       wrfl();
-
-       msleep(10);
-
-       ctrl = rd32(E1000_CTRL);
-
-       hw_dbg("Issuing a global reset to MAC\n");
-       wr32(E1000_CTRL, ctrl | E1000_CTRL_RST);
-
-       ret_val = igb_get_auto_rd_done(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.
-                */
-               hw_dbg("Auto Read Done did not complete\n");
-       }
-
-       /* If EEPROM is not present, run manual init scripts */
-       if ((rd32(E1000_EECD) & E1000_EECD_PRES) == 0)
-               igb_reset_init_script_82575(hw);
-
-       /* Clear any pending interrupt events. */
-       wr32(E1000_IMC, 0xffffffff);
-       icr = rd32(E1000_ICR);
-
-       /* Install any alternate MAC address into RAR0 */
-       ret_val = igb_check_alt_mac_addr(hw);
-
-       return ret_val;
-}
-
-/**
- *  igb_init_hw_82575 - Initialize hardware
- *  @hw: pointer to the HW structure
- *
- *  This inits the hardware readying it for operation.
- **/
-static s32 igb_init_hw_82575(struct e1000_hw *hw)
-{
-       struct e1000_mac_info *mac = &hw->mac;
-       s32 ret_val;
-       u16 i, rar_count = mac->rar_entry_count;
-
-       /* Initialize identification LED */
-       ret_val = igb_id_led_init(hw);
-       if (ret_val) {
-               hw_dbg("Error initializing identification LED\n");
-               /* This is not fatal and we should not stop init due to this */
-       }
-
-       /* Disabling VLAN filtering */
-       hw_dbg("Initializing the IEEE VLAN\n");
-       igb_clear_vfta(hw);
-
-       /* Setup the receive address */
-       igb_init_rx_addrs(hw, rar_count);
-
-       /* Zero out the Multicast HASH table */
-       hw_dbg("Zeroing the MTA\n");
-       for (i = 0; i < mac->mta_reg_count; i++)
-               array_wr32(E1000_MTA, i, 0);
-
-       /* Zero out the Unicast HASH table */
-       hw_dbg("Zeroing the UTA\n");
-       for (i = 0; i < mac->uta_reg_count; i++)
-               array_wr32(E1000_UTA, i, 0);
-
-       /* Setup link and flow control */
-       ret_val = igb_setup_link(hw);
-
-       /*
-        * 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.
-        */
-       igb_clear_hw_cntrs_82575(hw);
-
-       return ret_val;
-}
-
-/**
- *  igb_setup_copper_link_82575 - 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 igb_setup_copper_link_82575(struct e1000_hw *hw)
-{
-       u32 ctrl;
-       s32  ret_val;
-
-       ctrl = rd32(E1000_CTRL);
-       ctrl |= E1000_CTRL_SLU;
-       ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
-       wr32(E1000_CTRL, ctrl);
-
-       ret_val = igb_setup_serdes_link_82575(hw);
-       if (ret_val)
-               goto out;
-
-       if (igb_sgmii_active_82575(hw) && !hw->phy.reset_disable) {
-               /* allow time for SFP cage time to power up phy */
-               msleep(300);
-
-               ret_val = hw->phy.ops.reset(hw);
-               if (ret_val) {
-                       hw_dbg("Error resetting the PHY.\n");
-                       goto out;
-               }
-       }
-       switch (hw->phy.type) {
-       case e1000_phy_m88:
-               if (hw->phy.id == I347AT4_E_PHY_ID ||
-                   hw->phy.id == M88E1112_E_PHY_ID)
-                       ret_val = igb_copper_link_setup_m88_gen2(hw);
-               else
-                       ret_val = igb_copper_link_setup_m88(hw);
-               break;
-       case e1000_phy_igp_3:
-               ret_val = igb_copper_link_setup_igp(hw);
-               break;
-       case e1000_phy_82580:
-               ret_val = igb_copper_link_setup_82580(hw);
-               break;
-       default:
-               ret_val = -E1000_ERR_PHY;
-               break;
-       }
-
-       if (ret_val)
-               goto out;
-
-       ret_val = igb_setup_copper_link(hw);
-out:
-       return ret_val;
-}
-
-/**
- *  igb_setup_serdes_link_82575 - Setup link for serdes
- *  @hw: pointer to the HW structure
- *
- *  Configure the physical coding sub-layer (PCS) link.  The PCS link is
- *  used on copper connections where the serialized gigabit media independent
- *  interface (sgmii), or serdes fiber is being used.  Configures the link
- *  for auto-negotiation or forces speed/duplex.
- **/
-static s32 igb_setup_serdes_link_82575(struct e1000_hw *hw)
-{
-       u32 ctrl_ext, ctrl_reg, reg;
-       bool pcs_autoneg;
-       s32 ret_val = E1000_SUCCESS;
-       u16 data;
-
-       if ((hw->phy.media_type != e1000_media_type_internal_serdes) &&
-           !igb_sgmii_active_82575(hw))
-               return ret_val;
-
-
-       /*
-        * On the 82575, SerDes loopback mode persists until it is
-        * explicitly turned off or a power cycle is performed.  A read to
-        * the register does not indicate its status.  Therefore, we ensure
-        * loopback mode is disabled during initialization.
-        */
-       wr32(E1000_SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK);
-
-       /* power on the sfp cage if present */
-       ctrl_ext = rd32(E1000_CTRL_EXT);
-       ctrl_ext &= ~E1000_CTRL_EXT_SDP3_DATA;
-       wr32(E1000_CTRL_EXT, ctrl_ext);
-
-       ctrl_reg = rd32(E1000_CTRL);
-       ctrl_reg |= E1000_CTRL_SLU;
-
-       if (hw->mac.type == e1000_82575 || hw->mac.type == e1000_82576) {
-               /* set both sw defined pins */
-               ctrl_reg |= E1000_CTRL_SWDPIN0 | E1000_CTRL_SWDPIN1;
-
-               /* Set switch control to serdes energy detect */
-               reg = rd32(E1000_CONNSW);
-               reg |= E1000_CONNSW_ENRGSRC;
-               wr32(E1000_CONNSW, reg);
-       }
-
-       reg = rd32(E1000_PCS_LCTL);
-
-       /* default pcs_autoneg to the same setting as mac autoneg */
-       pcs_autoneg = hw->mac.autoneg;
-
-       switch (ctrl_ext & E1000_CTRL_EXT_LINK_MODE_MASK) {
-       case E1000_CTRL_EXT_LINK_MODE_SGMII:
-               /* sgmii mode lets the phy handle forcing speed/duplex */
-               pcs_autoneg = true;
-               /* autoneg time out should be disabled for SGMII mode */
-               reg &= ~(E1000_PCS_LCTL_AN_TIMEOUT);
-               break;
-       case E1000_CTRL_EXT_LINK_MODE_1000BASE_KX:
-               /* disable PCS autoneg and support parallel detect only */
-               pcs_autoneg = false;
-       default:
-               if (hw->mac.type == e1000_82575 ||
-                   hw->mac.type == e1000_82576) {
-                       ret_val = hw->nvm.ops.read(hw, NVM_COMPAT, 1, &data);
-                       if (ret_val) {
-                               printk(KERN_DEBUG "NVM Read Error\n\n");
-                               return ret_val;
-                       }
-
-                       if (data & E1000_EEPROM_PCS_AUTONEG_DISABLE_BIT)
-                               pcs_autoneg = false;
-               }
-
-               /*
-                * non-SGMII modes only supports a speed of 1000/Full for the
-                * link so it is best to just force the MAC and let the pcs
-                * link either autoneg or be forced to 1000/Full
-                */
-               ctrl_reg |= E1000_CTRL_SPD_1000 | E1000_CTRL_FRCSPD |
-                           E1000_CTRL_FD | E1000_CTRL_FRCDPX;
-
-               /* set speed of 1000/Full if speed/duplex is forced */
-               reg |= E1000_PCS_LCTL_FSV_1000 | E1000_PCS_LCTL_FDV_FULL;
-               break;
-       }
-
-       wr32(E1000_CTRL, ctrl_reg);
-
-       /*
-        * New SerDes mode allows for forcing speed or autonegotiating speed
-        * at 1gb. Autoneg should be default set by most drivers. This is the
-        * mode that will be compatible with older link partners and switches.
-        * However, both are supported by the hardware and some drivers/tools.
-        */
-       reg &= ~(E1000_PCS_LCTL_AN_ENABLE | E1000_PCS_LCTL_FLV_LINK_UP |
-               E1000_PCS_LCTL_FSD | E1000_PCS_LCTL_FORCE_LINK);
-
-       /*
-        * We force flow control to prevent the CTRL register values from being
-        * overwritten by the autonegotiated flow control values
-        */
-       reg |= E1000_PCS_LCTL_FORCE_FCTRL;
-
-       if (pcs_autoneg) {
-               /* Set PCS register for autoneg */
-               reg |= E1000_PCS_LCTL_AN_ENABLE | /* Enable Autoneg */
-                      E1000_PCS_LCTL_AN_RESTART; /* Restart autoneg */
-               hw_dbg("Configuring Autoneg:PCS_LCTL=0x%08X\n", reg);
-       } else {
-               /* Set PCS register for forced link */
-               reg |= E1000_PCS_LCTL_FSD;        /* Force Speed */
-
-               hw_dbg("Configuring Forced Link:PCS_LCTL=0x%08X\n", reg);
-       }
-
-       wr32(E1000_PCS_LCTL, reg);
-
-       if (!igb_sgmii_active_82575(hw))
-               igb_force_mac_fc(hw);
-
-       return ret_val;
-}
-
-/**
- *  igb_sgmii_active_82575 - Return sgmii state
- *  @hw: pointer to the HW structure
- *
- *  82575 silicon has a serialized gigabit media independent interface (sgmii)
- *  which can be enabled for use in the embedded applications.  Simply
- *  return the current state of the sgmii interface.
- **/
-static bool igb_sgmii_active_82575(struct e1000_hw *hw)
-{
-       struct e1000_dev_spec_82575 *dev_spec = &hw->dev_spec._82575;
-       return dev_spec->sgmii_active;
-}
-
-/**
- *  igb_reset_init_script_82575 - Inits HW defaults after reset
- *  @hw: pointer to the HW structure
- *
- *  Inits recommended HW defaults after a reset when there is no EEPROM
- *  detected. This is only for the 82575.
- **/
-static s32 igb_reset_init_script_82575(struct e1000_hw *hw)
-{
-       if (hw->mac.type == e1000_82575) {
-               hw_dbg("Running reset init script for 82575\n");
-               /* SerDes configuration via SERDESCTRL */
-               igb_write_8bit_ctrl_reg(hw, E1000_SCTL, 0x00, 0x0C);
-               igb_write_8bit_ctrl_reg(hw, E1000_SCTL, 0x01, 0x78);
-               igb_write_8bit_ctrl_reg(hw, E1000_SCTL, 0x1B, 0x23);
-               igb_write_8bit_ctrl_reg(hw, E1000_SCTL, 0x23, 0x15);
-
-               /* CCM configuration via CCMCTL register */
-               igb_write_8bit_ctrl_reg(hw, E1000_CCMCTL, 0x14, 0x00);
-               igb_write_8bit_ctrl_reg(hw, E1000_CCMCTL, 0x10, 0x00);
-
-               /* PCIe lanes configuration */
-               igb_write_8bit_ctrl_reg(hw, E1000_GIOCTL, 0x00, 0xEC);
-               igb_write_8bit_ctrl_reg(hw, E1000_GIOCTL, 0x61, 0xDF);
-               igb_write_8bit_ctrl_reg(hw, E1000_GIOCTL, 0x34, 0x05);
-               igb_write_8bit_ctrl_reg(hw, E1000_GIOCTL, 0x2F, 0x81);
-
-               /* PCIe PLL Configuration */
-               igb_write_8bit_ctrl_reg(hw, E1000_SCCTL, 0x02, 0x47);
-               igb_write_8bit_ctrl_reg(hw, E1000_SCCTL, 0x14, 0x00);
-               igb_write_8bit_ctrl_reg(hw, E1000_SCCTL, 0x10, 0x00);
-       }
-
-       return 0;
-}
-
-/**
- *  igb_read_mac_addr_82575 - Read device MAC address
- *  @hw: pointer to the HW structure
- **/
-static s32 igb_read_mac_addr_82575(struct e1000_hw *hw)
-{
-       s32 ret_val = 0;
-
-       /*
-        * If there's an alternate MAC address place it in RAR0
-        * so that it will override the Si installed default perm
-        * address.
-        */
-       ret_val = igb_check_alt_mac_addr(hw);
-       if (ret_val)
-               goto out;
-
-       ret_val = igb_read_mac_addr(hw);
-
-out:
-       return ret_val;
-}
-
-/**
- * igb_power_down_phy_copper_82575 - 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.
- **/
-void igb_power_down_phy_copper_82575(struct e1000_hw *hw)
-{
-       /* If the management interface is not enabled, then power down */
-       if (!(igb_enable_mng_pass_thru(hw) || igb_check_reset_block(hw)))
-               igb_power_down_phy_copper(hw);
-}
-
-/**
- *  igb_clear_hw_cntrs_82575 - Clear device specific hardware counters
- *  @hw: pointer to the HW structure
- *
- *  Clears the hardware counters by reading the counter registers.
- **/
-static void igb_clear_hw_cntrs_82575(struct e1000_hw *hw)
-{
-       igb_clear_hw_cntrs_base(hw);
-
-       rd32(E1000_PRC64);
-       rd32(E1000_PRC127);
-       rd32(E1000_PRC255);
-       rd32(E1000_PRC511);
-       rd32(E1000_PRC1023);
-       rd32(E1000_PRC1522);
-       rd32(E1000_PTC64);
-       rd32(E1000_PTC127);
-       rd32(E1000_PTC255);
-       rd32(E1000_PTC511);
-       rd32(E1000_PTC1023);
-       rd32(E1000_PTC1522);
-
-       rd32(E1000_ALGNERRC);
-       rd32(E1000_RXERRC);
-       rd32(E1000_TNCRS);
-       rd32(E1000_CEXTERR);
-       rd32(E1000_TSCTC);
-       rd32(E1000_TSCTFC);
-
-       rd32(E1000_MGTPRC);
-       rd32(E1000_MGTPDC);
-       rd32(E1000_MGTPTC);
-
-       rd32(E1000_IAC);
-       rd32(E1000_ICRXOC);
-
-       rd32(E1000_ICRXPTC);
-       rd32(E1000_ICRXATC);
-       rd32(E1000_ICTXPTC);
-       rd32(E1000_ICTXATC);
-       rd32(E1000_ICTXQEC);
-       rd32(E1000_ICTXQMTC);
-       rd32(E1000_ICRXDMTC);
-
-       rd32(E1000_CBTMPC);
-       rd32(E1000_HTDPMC);
-       rd32(E1000_CBRMPC);
-       rd32(E1000_RPTHC);
-       rd32(E1000_HGPTC);
-       rd32(E1000_HTCBDPC);
-       rd32(E1000_HGORCL);
-       rd32(E1000_HGORCH);
-       rd32(E1000_HGOTCL);
-       rd32(E1000_HGOTCH);
-       rd32(E1000_LENERRS);
-
-       /* This register should not be read in copper configurations */
-       if (hw->phy.media_type == e1000_media_type_internal_serdes ||
-           igb_sgmii_active_82575(hw))
-               rd32(E1000_SCVPC);
-}
-
-/**
- *  igb_rx_fifo_flush_82575 - Clean rx fifo after RX enable
- *  @hw: pointer to the HW structure
- *
- *  After rx enable if managability is enabled then there is likely some
- *  bad data at the start of the fifo and possibly in the DMA fifo.  This
- *  function clears the fifos and flushes any packets that came in as rx was
- *  being enabled.
- **/
-void igb_rx_fifo_flush_82575(struct e1000_hw *hw)
-{
-       u32 rctl, rlpml, rxdctl[4], rfctl, temp_rctl, rx_enabled;
-       int i, ms_wait;
-
-       if (hw->mac.type != e1000_82575 ||
-           !(rd32(E1000_MANC) & E1000_MANC_RCV_TCO_EN))
-               return;
-
-       /* Disable all RX queues */
-       for (i = 0; i < 4; i++) {
-               rxdctl[i] = rd32(E1000_RXDCTL(i));
-               wr32(E1000_RXDCTL(i),
-                    rxdctl[i] & ~E1000_RXDCTL_QUEUE_ENABLE);
-       }
-       /* Poll all queues to verify they have shut down */
-       for (ms_wait = 0; ms_wait < 10; ms_wait++) {
-               msleep(1);
-               rx_enabled = 0;
-               for (i = 0; i < 4; i++)
-                       rx_enabled |= rd32(E1000_RXDCTL(i));
-               if (!(rx_enabled & E1000_RXDCTL_QUEUE_ENABLE))
-                       break;
-       }
-
-       if (ms_wait == 10)
-               hw_dbg("Queue disable timed out after 10ms\n");
-
-       /* Clear RLPML, RCTL.SBP, RFCTL.LEF, and set RCTL.LPE so that all
-        * incoming packets are rejected.  Set enable and wait 2ms so that
-        * any packet that was coming in as RCTL.EN was set is flushed
-        */
-       rfctl = rd32(E1000_RFCTL);
-       wr32(E1000_RFCTL, rfctl & ~E1000_RFCTL_LEF);
-
-       rlpml = rd32(E1000_RLPML);
-       wr32(E1000_RLPML, 0);
-
-       rctl = rd32(E1000_RCTL);
-       temp_rctl = rctl & ~(E1000_RCTL_EN | E1000_RCTL_SBP);
-       temp_rctl |= E1000_RCTL_LPE;
-
-       wr32(E1000_RCTL, temp_rctl);
-       wr32(E1000_RCTL, temp_rctl | E1000_RCTL_EN);
-       wrfl();
-       msleep(2);
-
-       /* Enable RX queues that were previously enabled and restore our
-        * previous state
-        */
-       for (i = 0; i < 4; i++)
-               wr32(E1000_RXDCTL(i), rxdctl[i]);
-       wr32(E1000_RCTL, rctl);
-       wrfl();
-
-       wr32(E1000_RLPML, rlpml);
-       wr32(E1000_RFCTL, rfctl);
-
-       /* Flush receive errors generated by workaround */
-       rd32(E1000_ROC);
-       rd32(E1000_RNBC);
-       rd32(E1000_MPC);
-}
-
-/**
- *  igb_set_pcie_completion_timeout - set pci-e completion timeout
- *  @hw: pointer to the HW structure
- *
- *  The defaults for 82575 and 82576 should be in the range of 50us to 50ms,
- *  however the hardware default for these parts is 500us to 1ms which is less
- *  than the 10ms recommended by the pci-e spec.  To address this we need to
- *  increase the value to either 10ms to 200ms for capability version 1 config,
- *  or 16ms to 55ms for version 2.
- **/
-static s32 igb_set_pcie_completion_timeout(struct e1000_hw *hw)
-{
-       u32 gcr = rd32(E1000_GCR);
-       s32 ret_val = 0;
-       u16 pcie_devctl2;
-
-       /* only take action if timeout value is defaulted to 0 */
-       if (gcr & E1000_GCR_CMPL_TMOUT_MASK)
-               goto out;
-
-       /*
-        * if capababilities version is type 1 we can write the
-        * timeout of 10ms to 200ms through the GCR register
-        */
-       if (!(gcr & E1000_GCR_CAP_VER2)) {
-               gcr |= E1000_GCR_CMPL_TMOUT_10ms;
-               goto out;
-       }
-
-       /*
-        * for version 2 capabilities we need to write the config space
-        * directly in order to set the completion timeout value for
-        * 16ms to 55ms
-        */
-       ret_val = igb_read_pcie_cap_reg(hw, PCIE_DEVICE_CONTROL2,
-                                       &pcie_devctl2);
-       if (ret_val)
-               goto out;
-
-       pcie_devctl2 |= PCIE_DEVICE_CONTROL2_16ms;
-
-       ret_val = igb_write_pcie_cap_reg(hw, PCIE_DEVICE_CONTROL2,
-                                        &pcie_devctl2);
-out:
-       /* disable completion timeout resend */
-       gcr &= ~E1000_GCR_CMPL_TMOUT_RESEND;
-
-       wr32(E1000_GCR, gcr);
-       return ret_val;
-}
-
-/**
- *  igb_vmdq_set_anti_spoofing_pf - enable or disable anti-spoofing
- *  @hw: pointer to the hardware struct
- *  @enable: state to enter, either enabled or disabled
- *  @pf: Physical Function pool - do not set anti-spoofing for the PF
- *
- *  enables/disables L2 switch anti-spoofing functionality.
- **/
-void igb_vmdq_set_anti_spoofing_pf(struct e1000_hw *hw, bool enable, int pf)
-{
-       u32 dtxswc;
-
-       switch (hw->mac.type) {
-       case e1000_82576:
-       case e1000_i350:
-               dtxswc = rd32(E1000_DTXSWC);
-               if (enable) {
-                       dtxswc |= (E1000_DTXSWC_MAC_SPOOF_MASK |
-                                  E1000_DTXSWC_VLAN_SPOOF_MASK);
-                       /* The PF can spoof - it has to in order to
-                        * support emulation mode NICs */
-                       dtxswc ^= (1 << pf | 1 << (pf + MAX_NUM_VFS));
-               } else {
-                       dtxswc &= ~(E1000_DTXSWC_MAC_SPOOF_MASK |
-                                   E1000_DTXSWC_VLAN_SPOOF_MASK);
-               }
-               wr32(E1000_DTXSWC, dtxswc);
-               break;
-       default:
-               break;
-       }
-}
-
-/**
- *  igb_vmdq_set_loopback_pf - enable or disable vmdq loopback
- *  @hw: pointer to the hardware struct
- *  @enable: state to enter, either enabled or disabled
- *
- *  enables/disables L2 switch loopback functionality.
- **/
-void igb_vmdq_set_loopback_pf(struct e1000_hw *hw, bool enable)
-{
-       u32 dtxswc = rd32(E1000_DTXSWC);
-
-       if (enable)
-               dtxswc |= E1000_DTXSWC_VMDQ_LOOPBACK_EN;
-       else
-               dtxswc &= ~E1000_DTXSWC_VMDQ_LOOPBACK_EN;
-
-       wr32(E1000_DTXSWC, dtxswc);
-}
-
-/**
- *  igb_vmdq_set_replication_pf - enable or disable vmdq replication
- *  @hw: pointer to the hardware struct
- *  @enable: state to enter, either enabled or disabled
- *
- *  enables/disables replication of packets across multiple pools.
- **/
-void igb_vmdq_set_replication_pf(struct e1000_hw *hw, bool enable)
-{
-       u32 vt_ctl = rd32(E1000_VT_CTL);
-
-       if (enable)
-               vt_ctl |= E1000_VT_CTL_VM_REPL_EN;
-       else
-               vt_ctl &= ~E1000_VT_CTL_VM_REPL_EN;
-
-       wr32(E1000_VT_CTL, vt_ctl);
-}
-
-/**
- *  igb_read_phy_reg_82580 - Read 82580 MDI control register
- *  @hw: pointer to the HW structure
- *  @offset: register offset to be read
- *  @data: pointer to the read data
- *
- *  Reads the MDI control register in the PHY at offset and stores the
- *  information read to data.
- **/
-static s32 igb_read_phy_reg_82580(struct e1000_hw *hw, u32 offset, u16 *data)
-{
-       s32 ret_val;
-
-
-       ret_val = hw->phy.ops.acquire(hw);
-       if (ret_val)
-               goto out;
-
-       ret_val = igb_read_phy_reg_mdic(hw, offset, data);
-
-       hw->phy.ops.release(hw);
-
-out:
-       return ret_val;
-}
-
-/**
- *  igb_write_phy_reg_82580 - Write 82580 MDI control register
- *  @hw: pointer to the HW structure
- *  @offset: register offset to write to
- *  @data: data to write to register at offset
- *
- *  Writes data to MDI control register in the PHY at offset.
- **/
-static s32 igb_write_phy_reg_82580(struct e1000_hw *hw, u32 offset, u16 data)
-{
-       s32 ret_val;
-
-
-       ret_val = hw->phy.ops.acquire(hw);
-       if (ret_val)
-               goto out;
-
-       ret_val = igb_write_phy_reg_mdic(hw, offset, data);
-
-       hw->phy.ops.release(hw);
-
-out:
-       return ret_val;
-}
-
-/**
- *  igb_reset_mdicnfg_82580 - Reset MDICNFG destination and com_mdio bits
- *  @hw: pointer to the HW structure
- *
- *  This resets the the MDICNFG.Destination and MDICNFG.Com_MDIO bits based on
- *  the values found in the EEPROM.  This addresses an issue in which these
- *  bits are not restored from EEPROM after reset.
- **/
-static s32 igb_reset_mdicnfg_82580(struct e1000_hw *hw)
-{
-       s32 ret_val = 0;
-       u32 mdicnfg;
-       u16 nvm_data = 0;
-
-       if (hw->mac.type != e1000_82580)
-               goto out;
-       if (!igb_sgmii_active_82575(hw))
-               goto out;
-
-       ret_val = hw->nvm.ops.read(hw, NVM_INIT_CONTROL3_PORT_A +
-                                  NVM_82580_LAN_FUNC_OFFSET(hw->bus.func), 1,
-                                  &nvm_data);
-       if (ret_val) {
-               hw_dbg("NVM Read Error\n");
-               goto out;
-       }
-
-       mdicnfg = rd32(E1000_MDICNFG);
-       if (nvm_data & NVM_WORD24_EXT_MDIO)
-               mdicnfg |= E1000_MDICNFG_EXT_MDIO;
-       if (nvm_data & NVM_WORD24_COM_MDIO)
-               mdicnfg |= E1000_MDICNFG_COM_MDIO;
-       wr32(E1000_MDICNFG, mdicnfg);
-out:
-       return ret_val;
-}
-
-/**
- *  igb_reset_hw_82580 - Reset hardware
- *  @hw: pointer to the HW structure
- *
- *  This resets function or entire device (all ports, etc.)
- *  to a known state.
- **/
-static s32 igb_reset_hw_82580(struct e1000_hw *hw)
-{
-       s32 ret_val = 0;
-       /* BH SW mailbox bit in SW_FW_SYNC */
-       u16 swmbsw_mask = E1000_SW_SYNCH_MB;
-       u32 ctrl, icr;
-       bool global_device_reset = hw->dev_spec._82575.global_device_reset;
-
-
-       hw->dev_spec._82575.global_device_reset = false;
-
-       /* Get current control state. */
-       ctrl = rd32(E1000_CTRL);
-
-       /*
-        * 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 = igb_disable_pcie_master(hw);
-       if (ret_val)
-               hw_dbg("PCI-E Master disable polling has failed.\n");
-
-       hw_dbg("Masking off all interrupts\n");
-       wr32(E1000_IMC, 0xffffffff);
-       wr32(E1000_RCTL, 0);
-       wr32(E1000_TCTL, E1000_TCTL_PSP);
-       wrfl();
-
-       msleep(10);
-
-       /* Determine whether or not a global dev reset is requested */
-       if (global_device_reset &&
-               igb_acquire_swfw_sync_82575(hw, swmbsw_mask))
-                       global_device_reset = false;
-
-       if (global_device_reset &&
-               !(rd32(E1000_STATUS) & E1000_STAT_DEV_RST_SET))
-               ctrl |= E1000_CTRL_DEV_RST;
-       else
-               ctrl |= E1000_CTRL_RST;
-
-       wr32(E1000_CTRL, ctrl);
-       wrfl();
-
-       /* Add delay to insure DEV_RST has time to complete */
-       if (global_device_reset)
-               msleep(5);
-
-       ret_val = igb_get_auto_rd_done(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.
-                */
-               hw_dbg("Auto Read Done did not complete\n");
-       }
-
-       /* If EEPROM is not present, run manual init scripts */
-       if ((rd32(E1000_EECD) & E1000_EECD_PRES) == 0)
-               igb_reset_init_script_82575(hw);
-
-       /* clear global device reset status bit */
-       wr32(E1000_STATUS, E1000_STAT_DEV_RST_SET);
-
-       /* Clear any pending interrupt events. */
-       wr32(E1000_IMC, 0xffffffff);
-       icr = rd32(E1000_ICR);
-
-       ret_val = igb_reset_mdicnfg_82580(hw);
-       if (ret_val)
-               hw_dbg("Could not reset MDICNFG based on EEPROM\n");
-
-       /* Install any alternate MAC address into RAR0 */
-       ret_val = igb_check_alt_mac_addr(hw);
-
-       /* Release semaphore */
-       if (global_device_reset)
-               igb_release_swfw_sync_82575(hw, swmbsw_mask);
-
-       return ret_val;
-}
-
-/**
- *  igb_rxpbs_adjust_82580 - adjust RXPBS value to reflect actual RX PBA size
- *  @data: data received by reading RXPBS register
- *
- *  The 82580 uses a table based approach for packet buffer allocation sizes.
- *  This function converts the retrieved value into the correct table value
- *     0x0 0x1 0x2 0x3 0x4 0x5 0x6 0x7
- *  0x0 36  72 144   1   2   4   8  16
- *  0x8 35  70 140 rsv rsv rsv rsv rsv
- */
-u16 igb_rxpbs_adjust_82580(u32 data)
-{
-       u16 ret_val = 0;
-
-       if (data < E1000_82580_RXPBS_TABLE_SIZE)
-               ret_val = e1000_82580_rxpbs_table[data];
-
-       return ret_val;
-}
-
-/**
- *  igb_validate_nvm_checksum_with_offset - Validate EEPROM
- *  checksum
- *  @hw: pointer to the HW structure
- *  @offset: offset in words of the checksum protected region
- *
- *  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.
- **/
-s32 igb_validate_nvm_checksum_with_offset(struct e1000_hw *hw, u16 offset)
-{
-       s32 ret_val = 0;
-       u16 checksum = 0;
-       u16 i, nvm_data;
-
-       for (i = offset; i < ((NVM_CHECKSUM_REG + offset) + 1); i++) {
-               ret_val = hw->nvm.ops.read(hw, i, 1, &nvm_data);
-               if (ret_val) {
-                       hw_dbg("NVM Read Error\n");
-                       goto out;
-               }
-               checksum += nvm_data;
-       }
-
-       if (checksum != (u16) NVM_SUM) {
-               hw_dbg("NVM Checksum Invalid\n");
-               ret_val = -E1000_ERR_NVM;
-               goto out;
-       }
-
-out:
-       return ret_val;
-}
-
-/**
- *  igb_update_nvm_checksum_with_offset - Update EEPROM
- *  checksum
- *  @hw: pointer to the HW structure
- *  @offset: offset in words of the checksum protected region
- *
- *  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.
- **/
-s32 igb_update_nvm_checksum_with_offset(struct e1000_hw *hw, u16 offset)
-{
-       s32 ret_val;
-       u16 checksum = 0;
-       u16 i, nvm_data;
-
-       for (i = offset; i < (NVM_CHECKSUM_REG + offset); i++) {
-               ret_val = hw->nvm.ops.read(hw, i, 1, &nvm_data);
-               if (ret_val) {
-                       hw_dbg("NVM Read Error while updating checksum.\n");
-                       goto out;
-               }
-               checksum += nvm_data;
-       }
-       checksum = (u16) NVM_SUM - checksum;
-       ret_val = hw->nvm.ops.write(hw, (NVM_CHECKSUM_REG + offset), 1,
-                               &checksum);
-       if (ret_val)
-               hw_dbg("NVM Write Error while updating checksum.\n");
-
-out:
-       return ret_val;
-}
-
-/**
- *  igb_validate_nvm_checksum_82580 - Validate EEPROM checksum
- *  @hw: pointer to the HW structure
- *
- *  Calculates the EEPROM section checksum by reading/adding each word of
- *  the EEPROM and then verifies that the sum of the EEPROM is
- *  equal to 0xBABA.
- **/
-static s32 igb_validate_nvm_checksum_82580(struct e1000_hw *hw)
-{
-       s32 ret_val = 0;
-       u16 eeprom_regions_count = 1;
-       u16 j, nvm_data;
-       u16 nvm_offset;
-
-       ret_val = hw->nvm.ops.read(hw, NVM_COMPATIBILITY_REG_3, 1, &nvm_data);
-       if (ret_val) {
-               hw_dbg("NVM Read Error\n");
-               goto out;
-       }
-
-       if (nvm_data & NVM_COMPATIBILITY_BIT_MASK) {
-               /* if checksums compatibility bit is set validate checksums
-                * for all 4 ports. */
-               eeprom_regions_count = 4;
-       }
-
-       for (j = 0; j < eeprom_regions_count; j++) {
-               nvm_offset = NVM_82580_LAN_FUNC_OFFSET(j);
-               ret_val = igb_validate_nvm_checksum_with_offset(hw,
-                                                               nvm_offset);
-               if (ret_val != 0)
-                       goto out;
-       }
-
-out:
-       return ret_val;
-}
-
-/**
- *  igb_update_nvm_checksum_82580 - Update EEPROM checksum
- *  @hw: pointer to the HW structure
- *
- *  Updates the EEPROM section checksums for all 4 ports 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 igb_update_nvm_checksum_82580(struct e1000_hw *hw)
-{
-       s32 ret_val;
-       u16 j, nvm_data;
-       u16 nvm_offset;
-
-       ret_val = hw->nvm.ops.read(hw, NVM_COMPATIBILITY_REG_3, 1, &nvm_data);
-       if (ret_val) {
-               hw_dbg("NVM Read Error while updating checksum"
-                       " compatibility bit.\n");
-               goto out;
-       }
-
-       if ((nvm_data & NVM_COMPATIBILITY_BIT_MASK) == 0) {
-               /* set compatibility bit to validate checksums appropriately */
-               nvm_data = nvm_data | NVM_COMPATIBILITY_BIT_MASK;
-               ret_val = hw->nvm.ops.write(hw, NVM_COMPATIBILITY_REG_3, 1,
-                                       &nvm_data);
-               if (ret_val) {
-                       hw_dbg("NVM Write Error while updating checksum"
-                               " compatibility bit.\n");
-                       goto out;
-               }
-       }
-
-       for (j = 0; j < 4; j++) {
-               nvm_offset = NVM_82580_LAN_FUNC_OFFSET(j);
-               ret_val = igb_update_nvm_checksum_with_offset(hw, nvm_offset);
-               if (ret_val)
-                       goto out;
-       }
-
-out:
-       return ret_val;
-}
-
-/**
- *  igb_validate_nvm_checksum_i350 - Validate EEPROM checksum
- *  @hw: pointer to the HW structure
- *
- *  Calculates the EEPROM section checksum by reading/adding each word of
- *  the EEPROM and then verifies that the sum of the EEPROM is
- *  equal to 0xBABA.
- **/
-static s32 igb_validate_nvm_checksum_i350(struct e1000_hw *hw)
-{
-       s32 ret_val = 0;
-       u16 j;
-       u16 nvm_offset;
-
-       for (j = 0; j < 4; j++) {
-               nvm_offset = NVM_82580_LAN_FUNC_OFFSET(j);
-               ret_val = igb_validate_nvm_checksum_with_offset(hw,
-                                                               nvm_offset);
-               if (ret_val != 0)
-                       goto out;
-       }
-
-out:
-       return ret_val;
-}
-
-/**
- *  igb_update_nvm_checksum_i350 - Update EEPROM checksum
- *  @hw: pointer to the HW structure
- *
- *  Updates the EEPROM section checksums for all 4 ports 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 igb_update_nvm_checksum_i350(struct e1000_hw *hw)
-{
-       s32 ret_val = 0;
-       u16 j;
-       u16 nvm_offset;
-
-       for (j = 0; j < 4; j++) {
-               nvm_offset = NVM_82580_LAN_FUNC_OFFSET(j);
-               ret_val = igb_update_nvm_checksum_with_offset(hw, nvm_offset);
-               if (ret_val != 0)
-                       goto out;
-       }
-
-out:
-       return ret_val;
-}
-
-/**
- *  igb_set_eee_i350 - Enable/disable EEE support
- *  @hw: pointer to the HW structure
- *
- *  Enable/disable EEE based on setting in dev_spec structure.
- *
- **/
-s32 igb_set_eee_i350(struct e1000_hw *hw)
-{
-       s32 ret_val = 0;
-       u32 ipcnfg, eeer, ctrl_ext;
-
-       ctrl_ext = rd32(E1000_CTRL_EXT);
-       if ((hw->mac.type != e1000_i350) ||
-           (ctrl_ext & E1000_CTRL_EXT_LINK_MODE_MASK))
-               goto out;
-       ipcnfg = rd32(E1000_IPCNFG);
-       eeer = rd32(E1000_EEER);
-
-       /* enable or disable per user setting */
-       if (!(hw->dev_spec._82575.eee_disable)) {
-               ipcnfg |= (E1000_IPCNFG_EEE_1G_AN |
-                       E1000_IPCNFG_EEE_100M_AN);
-               eeer |= (E1000_EEER_TX_LPI_EN |
-                       E1000_EEER_RX_LPI_EN |
-                       E1000_EEER_LPI_FC);
-
-       } else {
-               ipcnfg &= ~(E1000_IPCNFG_EEE_1G_AN |
-                       E1000_IPCNFG_EEE_100M_AN);
-               eeer &= ~(E1000_EEER_TX_LPI_EN |
-                       E1000_EEER_RX_LPI_EN |
-                       E1000_EEER_LPI_FC);
-       }
-       wr32(E1000_IPCNFG, ipcnfg);
-       wr32(E1000_EEER, eeer);
-out:
-
-       return ret_val;
-}
-
-static struct e1000_mac_operations e1000_mac_ops_82575 = {
-       .init_hw              = igb_init_hw_82575,
-       .check_for_link       = igb_check_for_link_82575,
-       .rar_set              = igb_rar_set,
-       .read_mac_addr        = igb_read_mac_addr_82575,
-       .get_speed_and_duplex = igb_get_speed_and_duplex_copper,
-};
-
-static struct e1000_phy_operations e1000_phy_ops_82575 = {
-       .acquire              = igb_acquire_phy_82575,
-       .get_cfg_done         = igb_get_cfg_done_82575,
-       .release              = igb_release_phy_82575,
-};
-
-static struct e1000_nvm_operations e1000_nvm_ops_82575 = {
-       .acquire              = igb_acquire_nvm_82575,
-       .read                 = igb_read_nvm_eerd,
-       .release              = igb_release_nvm_82575,
-       .write                = igb_write_nvm_spi,
-};
-
-const struct e1000_info e1000_82575_info = {
-       .get_invariants = igb_get_invariants_82575,
-       .mac_ops = &e1000_mac_ops_82575,
-       .phy_ops = &e1000_phy_ops_82575,
-       .nvm_ops = &e1000_nvm_ops_82575,
-};
-