Imported Upstream version 16.04
[deb_dpdk.git] / drivers / net / e1000 / base / e1000_82541.c
diff --git a/drivers/net/e1000/base/e1000_82541.c b/drivers/net/e1000/base/e1000_82541.c
new file mode 100644 (file)
index 0000000..9cdb91c
--- /dev/null
@@ -0,0 +1,1268 @@
+/*******************************************************************************
+
+Copyright (c) 2001-2015, Intel Corporation
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+    this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+
+ 3. Neither the name of the Intel Corporation nor the names of its
+    contributors may be used to endorse or promote products derived from
+    this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+***************************************************************************/
+
+/*
+ * 82541EI Gigabit Ethernet Controller
+ * 82541ER Gigabit Ethernet Controller
+ * 82541GI Gigabit Ethernet Controller
+ * 82541PI Gigabit Ethernet Controller
+ * 82547EI Gigabit Ethernet Controller
+ * 82547GI Gigabit Ethernet Controller
+ */
+
+#include "e1000_api.h"
+
+STATIC s32  e1000_init_phy_params_82541(struct e1000_hw *hw);
+STATIC s32  e1000_init_nvm_params_82541(struct e1000_hw *hw);
+STATIC s32  e1000_init_mac_params_82541(struct e1000_hw *hw);
+STATIC s32  e1000_reset_hw_82541(struct e1000_hw *hw);
+STATIC s32  e1000_init_hw_82541(struct e1000_hw *hw);
+STATIC s32  e1000_get_link_up_info_82541(struct e1000_hw *hw, u16 *speed,
+                                        u16 *duplex);
+STATIC s32  e1000_phy_hw_reset_82541(struct e1000_hw *hw);
+STATIC s32  e1000_setup_copper_link_82541(struct e1000_hw *hw);
+STATIC s32  e1000_check_for_link_82541(struct e1000_hw *hw);
+STATIC s32  e1000_get_cable_length_igp_82541(struct e1000_hw *hw);
+STATIC s32  e1000_set_d3_lplu_state_82541(struct e1000_hw *hw,
+                                         bool active);
+STATIC s32  e1000_setup_led_82541(struct e1000_hw *hw);
+STATIC s32  e1000_cleanup_led_82541(struct e1000_hw *hw);
+STATIC void e1000_clear_hw_cntrs_82541(struct e1000_hw *hw);
+STATIC s32  e1000_config_dsp_after_link_change_82541(struct e1000_hw *hw,
+                                                    bool link_up);
+STATIC s32  e1000_phy_init_script_82541(struct e1000_hw *hw);
+STATIC void e1000_power_down_phy_copper_82541(struct e1000_hw *hw);
+
+STATIC const u16 e1000_igp_cable_length_table[] = {
+       5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 10, 10, 10, 10, 10,
+       10, 10, 20, 20, 20, 20, 20, 25, 25, 25, 25, 25, 25, 25, 30, 30, 30, 30,
+       40, 40, 40, 40, 40, 40, 40, 40, 40, 50, 50, 50, 50, 50, 50, 50, 60, 60,
+       60, 60, 60, 60, 60, 60, 60, 70, 70, 70, 70, 70, 70, 80, 80, 80, 80, 80,
+       80, 90, 90, 90, 90, 90, 90, 90, 90, 90, 100, 100, 100, 100, 100, 100,
+       100, 100, 100, 100, 100, 100, 100, 100, 110, 110, 110, 110, 110, 110,
+       110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 120, 120,
+       120, 120, 120, 120, 120, 120, 120, 120};
+#define IGP01E1000_AGC_LENGTH_TABLE_SIZE \
+               (sizeof(e1000_igp_cable_length_table) / \
+                sizeof(e1000_igp_cable_length_table[0]))
+
+/**
+ *  e1000_init_phy_params_82541 - Init PHY func ptrs.
+ *  @hw: pointer to the HW structure
+ **/
+STATIC s32 e1000_init_phy_params_82541(struct e1000_hw *hw)
+{
+       struct e1000_phy_info *phy = &hw->phy;
+       s32 ret_val;
+
+       DEBUGFUNC("e1000_init_phy_params_82541");
+
+       phy->addr               = 1;
+       phy->autoneg_mask       = AUTONEG_ADVERTISE_SPEED_DEFAULT;
+       phy->reset_delay_us     = 10000;
+       phy->type               = e1000_phy_igp;
+
+       /* Function Pointers */
+       phy->ops.check_polarity = e1000_check_polarity_igp;
+       phy->ops.force_speed_duplex = e1000_phy_force_speed_duplex_igp;
+       phy->ops.get_cable_length = e1000_get_cable_length_igp_82541;
+       phy->ops.get_cfg_done   = e1000_get_cfg_done_generic;
+       phy->ops.get_info       = e1000_get_phy_info_igp;
+       phy->ops.read_reg       = e1000_read_phy_reg_igp;
+       phy->ops.reset          = e1000_phy_hw_reset_82541;
+       phy->ops.set_d3_lplu_state = e1000_set_d3_lplu_state_82541;
+       phy->ops.write_reg      = e1000_write_phy_reg_igp;
+       phy->ops.power_up       = e1000_power_up_phy_copper;
+       phy->ops.power_down     = e1000_power_down_phy_copper_82541;
+
+       ret_val = e1000_get_phy_id(hw);
+       if (ret_val)
+               goto out;
+
+       /* Verify phy id */
+       if (phy->id != IGP01E1000_I_PHY_ID) {
+               ret_val = -E1000_ERR_PHY;
+               goto out;
+       }
+
+out:
+       return ret_val;
+}
+
+/**
+ *  e1000_init_nvm_params_82541 - Init NVM func ptrs.
+ *  @hw: pointer to the HW structure
+ **/
+STATIC s32 e1000_init_nvm_params_82541(struct e1000_hw *hw)
+{
+       struct e1000_nvm_info *nvm = &hw->nvm;
+       s32 ret_val = E1000_SUCCESS;
+       u32 eecd = E1000_READ_REG(hw, E1000_EECD);
+       u16 size;
+
+       DEBUGFUNC("e1000_init_nvm_params_82541");
+
+       switch (nvm->override) {
+       case e1000_nvm_override_spi_large:
+               nvm->type = e1000_nvm_eeprom_spi;
+               eecd |= E1000_EECD_ADDR_BITS;
+               break;
+       case e1000_nvm_override_spi_small:
+               nvm->type = e1000_nvm_eeprom_spi;
+               eecd &= ~E1000_EECD_ADDR_BITS;
+               break;
+       case e1000_nvm_override_microwire_large:
+               nvm->type = e1000_nvm_eeprom_microwire;
+               eecd |= E1000_EECD_SIZE;
+               break;
+       case e1000_nvm_override_microwire_small:
+               nvm->type = e1000_nvm_eeprom_microwire;
+               eecd &= ~E1000_EECD_SIZE;
+               break;
+       default:
+               nvm->type = eecd & E1000_EECD_TYPE ? e1000_nvm_eeprom_spi
+                           : e1000_nvm_eeprom_microwire;
+               break;
+       }
+
+       if (nvm->type == e1000_nvm_eeprom_spi) {
+               nvm->address_bits = (eecd & E1000_EECD_ADDR_BITS) ? 16 : 8;
+               nvm->delay_usec = 1;
+               nvm->opcode_bits = 8;
+               nvm->page_size = (eecd & E1000_EECD_ADDR_BITS) ? 32 : 8;
+
+               /* Function Pointers */
+               nvm->ops.acquire        = e1000_acquire_nvm_generic;
+               nvm->ops.read           = e1000_read_nvm_spi;
+               nvm->ops.release        = e1000_release_nvm_generic;
+               nvm->ops.update         = e1000_update_nvm_checksum_generic;
+               nvm->ops.valid_led_default = e1000_valid_led_default_generic;
+               nvm->ops.validate       = e1000_validate_nvm_checksum_generic;
+               nvm->ops.write          = e1000_write_nvm_spi;
+
+               /*
+                * nvm->word_size must be discovered after the pointers
+                * are set so we can verify the size from the nvm image
+                * itself.  Temporarily set it to a dummy value so the
+                * read will work.
+                */
+               nvm->word_size = 64;
+               ret_val = nvm->ops.read(hw, NVM_CFG, 1, &size);
+               if (ret_val)
+                       goto out;
+               size = (size & NVM_SIZE_MASK) >> NVM_SIZE_SHIFT;
+               /*
+                * if size != 0, it can be added to a constant and become
+                * the left-shift value to set the word_size.  Otherwise,
+                * word_size stays at 64.
+                */
+               if (size) {
+                       size += NVM_WORD_SIZE_BASE_SHIFT_82541;
+                       nvm->word_size = 1 << size;
+               }
+       } else {
+               nvm->address_bits = (eecd & E1000_EECD_ADDR_BITS) ? 8 : 6;
+               nvm->delay_usec = 50;
+               nvm->opcode_bits = 3;
+               nvm->word_size = (eecd & E1000_EECD_ADDR_BITS) ? 256 : 64;
+
+               /* Function Pointers */
+               nvm->ops.acquire        = e1000_acquire_nvm_generic;
+               nvm->ops.read           = e1000_read_nvm_microwire;
+               nvm->ops.release        = e1000_release_nvm_generic;
+               nvm->ops.update         = e1000_update_nvm_checksum_generic;
+               nvm->ops.valid_led_default = e1000_valid_led_default_generic;
+               nvm->ops.validate       = e1000_validate_nvm_checksum_generic;
+               nvm->ops.write          = e1000_write_nvm_microwire;
+       }
+
+out:
+       return ret_val;
+}
+
+/**
+ *  e1000_init_mac_params_82541 - Init MAC func ptrs.
+ *  @hw: pointer to the HW structure
+ **/
+STATIC s32 e1000_init_mac_params_82541(struct e1000_hw *hw)
+{
+       struct e1000_mac_info *mac = &hw->mac;
+
+       DEBUGFUNC("e1000_init_mac_params_82541");
+
+       /* Set media type */
+       hw->phy.media_type = e1000_media_type_copper;
+       /* Set mta register count */
+       mac->mta_reg_count = 128;
+       /* Set rar entry count */
+       mac->rar_entry_count = E1000_RAR_ENTRIES;
+       /* Set if part includes ASF firmware */
+       mac->asf_firmware_present = true;
+
+       /* Function Pointers */
+
+       /* bus type/speed/width */
+       mac->ops.get_bus_info = e1000_get_bus_info_pci_generic;
+       /* function id */
+       mac->ops.set_lan_id = e1000_set_lan_id_single_port;
+       /* reset */
+       mac->ops.reset_hw = e1000_reset_hw_82541;
+       /* hw initialization */
+       mac->ops.init_hw = e1000_init_hw_82541;
+       /* link setup */
+       mac->ops.setup_link = e1000_setup_link_generic;
+       /* physical interface link setup */
+       mac->ops.setup_physical_interface = e1000_setup_copper_link_82541;
+       /* check for link */
+       mac->ops.check_for_link = e1000_check_for_link_82541;
+       /* link info */
+       mac->ops.get_link_up_info = e1000_get_link_up_info_82541;
+       /* multicast address update */
+       mac->ops.update_mc_addr_list = e1000_update_mc_addr_list_generic;
+       /* writing VFTA */
+       mac->ops.write_vfta = e1000_write_vfta_generic;
+       /* clearing VFTA */
+       mac->ops.clear_vfta = e1000_clear_vfta_generic;
+       /* ID LED init */
+       mac->ops.id_led_init = e1000_id_led_init_generic;
+       /* setup LED */
+       mac->ops.setup_led = e1000_setup_led_82541;
+       /* cleanup LED */
+       mac->ops.cleanup_led = e1000_cleanup_led_82541;
+       /* turn on/off LED */
+       mac->ops.led_on = e1000_led_on_generic;
+       mac->ops.led_off = e1000_led_off_generic;
+       /* clear hardware counters */
+       mac->ops.clear_hw_cntrs = e1000_clear_hw_cntrs_82541;
+
+       return E1000_SUCCESS;
+}
+
+/**
+ *  e1000_init_function_pointers_82541 - Init func ptrs.
+ *  @hw: pointer to the HW structure
+ *
+ *  Called to initialize all function pointers and parameters.
+ **/
+void e1000_init_function_pointers_82541(struct e1000_hw *hw)
+{
+       DEBUGFUNC("e1000_init_function_pointers_82541");
+
+       hw->mac.ops.init_params = e1000_init_mac_params_82541;
+       hw->nvm.ops.init_params = e1000_init_nvm_params_82541;
+       hw->phy.ops.init_params = e1000_init_phy_params_82541;
+}
+
+/**
+ *  e1000_reset_hw_82541 - Reset hardware
+ *  @hw: pointer to the HW structure
+ *
+ *  This resets the hardware into a known state.
+ **/
+STATIC s32 e1000_reset_hw_82541(struct e1000_hw *hw)
+{
+       u32 ledctl, ctrl, manc;
+
+       DEBUGFUNC("e1000_reset_hw_82541");
+
+       DEBUGOUT("Masking off all interrupts\n");
+       E1000_WRITE_REG(hw, E1000_IMC, 0xFFFFFFFF);
+
+       E1000_WRITE_REG(hw, E1000_RCTL, 0);
+       E1000_WRITE_REG(hw, E1000_TCTL, E1000_TCTL_PSP);
+       E1000_WRITE_FLUSH(hw);
+
+       /*
+        * Delay to allow any outstanding PCI transactions to complete
+        * before resetting the device.
+        */
+       msec_delay(10);
+
+       ctrl = E1000_READ_REG(hw, E1000_CTRL);
+
+       /* Must reset the Phy before resetting the MAC */
+       if ((hw->mac.type == e1000_82541) || (hw->mac.type == e1000_82547)) {
+               E1000_WRITE_REG(hw, E1000_CTRL, (ctrl | E1000_CTRL_PHY_RST));
+               E1000_WRITE_FLUSH(hw);
+               msec_delay(5);
+       }
+
+       DEBUGOUT("Issuing a global reset to 82541/82547 MAC\n");
+       switch (hw->mac.type) {
+       case e1000_82541:
+       case e1000_82541_rev_2:
+               /*
+                * These controllers can't ack the 64-bit write when
+                * issuing the reset, so we use IO-mapping as a
+                * workaround to issue the reset.
+                */
+               E1000_WRITE_REG_IO(hw, E1000_CTRL, ctrl | E1000_CTRL_RST);
+               break;
+       default:
+               E1000_WRITE_REG(hw, E1000_CTRL, ctrl | E1000_CTRL_RST);
+               break;
+       }
+
+       /* Wait for NVM reload */
+       msec_delay(20);
+
+       /* Disable HW ARPs on ASF enabled adapters */
+       manc = E1000_READ_REG(hw, E1000_MANC);
+       manc &= ~E1000_MANC_ARP_EN;
+       E1000_WRITE_REG(hw, E1000_MANC, manc);
+
+       if ((hw->mac.type == e1000_82541) || (hw->mac.type == e1000_82547)) {
+               e1000_phy_init_script_82541(hw);
+
+               /* Configure activity LED after Phy reset */
+               ledctl = E1000_READ_REG(hw, E1000_LEDCTL);
+               ledctl &= IGP_ACTIVITY_LED_MASK;
+               ledctl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
+               E1000_WRITE_REG(hw, E1000_LEDCTL, ledctl);
+       }
+
+       /* Once again, mask the interrupts */
+       DEBUGOUT("Masking off all interrupts\n");
+       E1000_WRITE_REG(hw, E1000_IMC, 0xFFFFFFFF);
+
+       /* Clear any pending interrupt events. */
+       E1000_READ_REG(hw, E1000_ICR);
+
+       return E1000_SUCCESS;
+}
+
+/**
+ *  e1000_init_hw_82541 - Initialize hardware
+ *  @hw: pointer to the HW structure
+ *
+ *  This inits the hardware readying it for operation.
+ **/
+STATIC s32 e1000_init_hw_82541(struct e1000_hw *hw)
+{
+       struct e1000_mac_info *mac = &hw->mac;
+       struct e1000_dev_spec_82541 *dev_spec = &hw->dev_spec._82541;
+       u32 i, txdctl;
+       s32 ret_val;
+
+       DEBUGFUNC("e1000_init_hw_82541");
+
+       /* Initialize identification LED */
+       ret_val = mac->ops.id_led_init(hw);
+       if (ret_val) {
+               DEBUGOUT("Error initializing identification LED\n");
+               /* This is not fatal and we should not stop init due to this */
+       }
+
+       /* Storing the Speed Power Down  value for later use */
+       ret_val = hw->phy.ops.read_reg(hw, IGP01E1000_GMII_FIFO,
+                                      &dev_spec->spd_default);
+       if (ret_val)
+               goto out;
+
+       /* Disabling VLAN filtering */
+       DEBUGOUT("Initializing the IEEE VLAN\n");
+       mac->ops.clear_vfta(hw);
+
+       /* 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);
+               /*
+                * Avoid back to back register writes by adding the register
+                * read (flush).  This is to protect against some strange
+                * bridge configurations that may issue Memory Write Block
+                * (MWB) to our register space.
+                */
+               E1000_WRITE_FLUSH(hw);
+       }
+
+       /* Setup link and flow control */
+       ret_val = mac->ops.setup_link(hw);
+
+       txdctl = E1000_READ_REG(hw, E1000_TXDCTL(0));
+       txdctl = (txdctl & ~E1000_TXDCTL_WTHRESH) |
+                 E1000_TXDCTL_FULL_TX_DESC_WB;
+       E1000_WRITE_REG(hw, E1000_TXDCTL(0), txdctl);
+
+       /*
+        * 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_82541(hw);
+
+out:
+       return ret_val;
+}
+
+/**
+ * e1000_get_link_up_info_82541 - Report speed and duplex
+ * @hw: pointer to the HW structure
+ * @speed: pointer to speed buffer
+ * @duplex: pointer to duplex buffer
+ *
+ * Retrieve the current speed and duplex configuration.
+ **/
+STATIC s32 e1000_get_link_up_info_82541(struct e1000_hw *hw, u16 *speed,
+                                       u16 *duplex)
+{
+       struct e1000_phy_info *phy = &hw->phy;
+       s32 ret_val;
+       u16 data;
+
+       DEBUGFUNC("e1000_get_link_up_info_82541");
+
+       ret_val = e1000_get_speed_and_duplex_copper_generic(hw, speed, duplex);
+       if (ret_val)
+               goto out;
+
+       if (!phy->speed_downgraded)
+               goto out;
+
+       /*
+        * IGP01 PHY may advertise full duplex operation after speed
+        * downgrade even if it is operating at half duplex.
+        * Here we set the duplex settings to match the duplex in the
+        * link partner's capabilities.
+        */
+       ret_val = phy->ops.read_reg(hw, PHY_AUTONEG_EXP, &data);
+       if (ret_val)
+               goto out;
+
+       if (!(data & NWAY_ER_LP_NWAY_CAPS)) {
+               *duplex = HALF_DUPLEX;
+       } else {
+               ret_val = phy->ops.read_reg(hw, PHY_LP_ABILITY, &data);
+               if (ret_val)
+                       goto out;
+
+               if (*speed == SPEED_100) {
+                       if (!(data & NWAY_LPAR_100TX_FD_CAPS))
+                               *duplex = HALF_DUPLEX;
+               } else if (*speed == SPEED_10) {
+                       if (!(data & NWAY_LPAR_10T_FD_CAPS))
+                               *duplex = HALF_DUPLEX;
+               }
+       }
+
+out:
+       return ret_val;
+}
+
+/**
+ *  e1000_phy_hw_reset_82541 - PHY hardware reset
+ *  @hw: pointer to the HW structure
+ *
+ *  Verify the reset block is not blocking us from resetting.  Acquire
+ *  semaphore (if necessary) and read/set/write the device control reset
+ *  bit in the PHY.  Wait the appropriate delay time for the device to
+ *  reset and release the semaphore (if necessary).
+ **/
+STATIC s32 e1000_phy_hw_reset_82541(struct e1000_hw *hw)
+{
+       s32 ret_val;
+       u32 ledctl;
+
+       DEBUGFUNC("e1000_phy_hw_reset_82541");
+
+       ret_val = e1000_phy_hw_reset_generic(hw);
+       if (ret_val)
+               goto out;
+
+       e1000_phy_init_script_82541(hw);
+
+       if ((hw->mac.type == e1000_82541) || (hw->mac.type == e1000_82547)) {
+               /* Configure activity LED after PHY reset */
+               ledctl = E1000_READ_REG(hw, E1000_LEDCTL);
+               ledctl &= IGP_ACTIVITY_LED_MASK;
+               ledctl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
+               E1000_WRITE_REG(hw, E1000_LEDCTL, ledctl);
+       }
+
+out:
+       return ret_val;
+}
+
+/**
+ *  e1000_setup_copper_link_82541 - Configure copper link settings
+ *  @hw: pointer to the HW structure
+ *
+ *  Calls the appropriate function to configure 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.  If link is
+ *  not established, we return -E1000_ERR_PHY (-2).
+ **/
+STATIC s32 e1000_setup_copper_link_82541(struct e1000_hw *hw)
+{
+       struct e1000_phy_info *phy = &hw->phy;
+       struct e1000_dev_spec_82541 *dev_spec = &hw->dev_spec._82541;
+       s32  ret_val;
+       u32 ctrl, ledctl;
+
+       DEBUGFUNC("e1000_setup_copper_link_82541");
+
+       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);
+
+
+       /* Earlier revs of the IGP phy require us to force MDI. */
+       if (hw->mac.type == e1000_82541 || hw->mac.type == e1000_82547) {
+               dev_spec->dsp_config = e1000_dsp_config_disabled;
+               phy->mdix = 1;
+       } else {
+               dev_spec->dsp_config = e1000_dsp_config_enabled;
+       }
+
+       ret_val = e1000_copper_link_setup_igp(hw);
+       if (ret_val)
+               goto out;
+
+       if (hw->mac.autoneg) {
+               if (dev_spec->ffe_config == e1000_ffe_config_active)
+                       dev_spec->ffe_config = e1000_ffe_config_enabled;
+       }
+
+       /* Configure activity LED after Phy reset */
+       ledctl = E1000_READ_REG(hw, E1000_LEDCTL);
+       ledctl &= IGP_ACTIVITY_LED_MASK;
+       ledctl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
+       E1000_WRITE_REG(hw, E1000_LEDCTL, ledctl);
+
+       ret_val = e1000_setup_copper_link_generic(hw);
+
+out:
+       return ret_val;
+}
+
+/**
+ *  e1000_check_for_link_82541 - Check/Store link connection
+ *  @hw: pointer to the HW structure
+ *
+ *  This checks the link condition of the adapter and stores the
+ *  results in the hw->mac structure.
+ **/
+STATIC s32 e1000_check_for_link_82541(struct e1000_hw *hw)
+{
+       struct e1000_mac_info *mac = &hw->mac;
+       s32 ret_val;
+       bool link;
+
+       DEBUGFUNC("e1000_check_for_link_82541");
+
+       /*
+        * We only want to go out to the PHY registers to see if Auto-Neg
+        * has completed and/or if our link status has changed.  The
+        * get_link_status flag is set upon receiving a Link Status
+        * Change or Rx Sequence Error interrupt.
+        */
+       if (!mac->get_link_status) {
+               ret_val = E1000_SUCCESS;
+               goto out;
+       }
+
+       /*
+        * First we want to see if the MII Status Register reports
+        * link.  If so, then we want to get the current speed/duplex
+        * of the PHY.
+        */
+       ret_val = e1000_phy_has_link_generic(hw, 1, 0, &link);
+       if (ret_val)
+               goto out;
+
+       if (!link) {
+               ret_val = e1000_config_dsp_after_link_change_82541(hw, false);
+               goto out; /* No link detected */
+       }
+
+       mac->get_link_status = false;
+
+       /*
+        * Check if there was DownShift, must be checked
+        * immediately after link-up
+        */
+       e1000_check_downshift_generic(hw);
+
+       /*
+        * If we are forcing speed/duplex, then we simply return since
+        * we have already determined whether we have link or not.
+        */
+       if (!mac->autoneg) {
+               ret_val = -E1000_ERR_CONFIG;
+               goto out;
+       }
+
+       ret_val = e1000_config_dsp_after_link_change_82541(hw, true);
+
+       /*
+        * Auto-Neg is enabled.  Auto Speed Detection takes care
+        * of MAC speed/duplex configuration.  So we only need to
+        * configure Collision Distance in the MAC.
+        */
+       mac->ops.config_collision_dist(hw);
+
+       /*
+        * Configure Flow Control now that Auto-Neg has completed.
+        * First, we need to restore the desired flow control
+        * settings because we may have had to re-autoneg with a
+        * different link partner.
+        */
+       ret_val = e1000_config_fc_after_link_up_generic(hw);
+       if (ret_val)
+               DEBUGOUT("Error configuring flow control\n");
+
+out:
+       return ret_val;
+}
+
+/**
+ *  e1000_config_dsp_after_link_change_82541 - Config DSP after link
+ *  @hw: pointer to the HW structure
+ *  @link_up: boolean flag for link up status
+ *
+ *  Return E1000_ERR_PHY when failing to read/write the PHY, else E1000_SUCCESS
+ *  at any other case.
+ *
+ *  82541_rev_2 & 82547_rev_2 have the capability to configure the DSP when a
+ *  gigabit link is achieved to improve link quality.
+ **/
+STATIC s32 e1000_config_dsp_after_link_change_82541(struct e1000_hw *hw,
+                                                   bool link_up)
+{
+       struct e1000_phy_info *phy = &hw->phy;
+       struct e1000_dev_spec_82541 *dev_spec = &hw->dev_spec._82541;
+       s32 ret_val;
+       u32 idle_errs = 0;
+       u16 phy_data, phy_saved_data, speed, duplex, i;
+       u16 ffe_idle_err_timeout = FFE_IDLE_ERR_COUNT_TIMEOUT_20;
+       u16 dsp_reg_array[IGP01E1000_PHY_CHANNEL_NUM] = {
+                                               IGP01E1000_PHY_AGC_PARAM_A,
+                                               IGP01E1000_PHY_AGC_PARAM_B,
+                                               IGP01E1000_PHY_AGC_PARAM_C,
+                                               IGP01E1000_PHY_AGC_PARAM_D};
+
+       DEBUGFUNC("e1000_config_dsp_after_link_change_82541");
+
+       if (link_up) {
+               ret_val = hw->mac.ops.get_link_up_info(hw, &speed, &duplex);
+               if (ret_val) {
+                       DEBUGOUT("Error getting link speed and duplex\n");
+                       goto out;
+               }
+
+               if (speed != SPEED_1000) {
+                       ret_val = E1000_SUCCESS;
+                       goto out;
+               }
+
+               ret_val = phy->ops.get_cable_length(hw);
+               if (ret_val)
+                       goto out;
+
+               if ((dev_spec->dsp_config == e1000_dsp_config_enabled) &&
+                   phy->min_cable_length >= 50) {
+
+                       for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
+                               ret_val = phy->ops.read_reg(hw,
+                                                           dsp_reg_array[i],
+                                                           &phy_data);
+                               if (ret_val)
+                                       goto out;
+
+                               phy_data &= ~IGP01E1000_PHY_EDAC_MU_INDEX;
+
+                               ret_val = phy->ops.write_reg(hw,
+                                                            dsp_reg_array[i],
+                                                            phy_data);
+                               if (ret_val)
+                                       goto out;
+                       }
+                       dev_spec->dsp_config = e1000_dsp_config_activated;
+               }
+
+               if ((dev_spec->ffe_config != e1000_ffe_config_enabled) ||
+                   (phy->min_cable_length >= 50)) {
+                       ret_val = E1000_SUCCESS;
+                       goto out;
+               }
+
+               /* clear previous idle error counts */
+               ret_val = phy->ops.read_reg(hw, PHY_1000T_STATUS, &phy_data);
+               if (ret_val)
+                       goto out;
+
+               for (i = 0; i < ffe_idle_err_timeout; i++) {
+                       usec_delay(1000);
+                       ret_val = phy->ops.read_reg(hw, PHY_1000T_STATUS,
+                                                   &phy_data);
+                       if (ret_val)
+                               goto out;
+
+                       idle_errs += (phy_data & SR_1000T_IDLE_ERROR_CNT);
+                       if (idle_errs > SR_1000T_PHY_EXCESSIVE_IDLE_ERR_COUNT) {
+                               dev_spec->ffe_config = e1000_ffe_config_active;
+
+                               ret_val = phy->ops.write_reg(hw,
+                                                 IGP01E1000_PHY_DSP_FFE,
+                                                 IGP01E1000_PHY_DSP_FFE_CM_CP);
+                               if (ret_val)
+                                       goto out;
+                               break;
+                       }
+
+                       if (idle_errs)
+                               ffe_idle_err_timeout =
+                                                FFE_IDLE_ERR_COUNT_TIMEOUT_100;
+               }
+       } else {
+               if (dev_spec->dsp_config == e1000_dsp_config_activated) {
+                       /*
+                        * Save off the current value of register 0x2F5B
+                        * to be restored at the end of the routines.
+                        */
+                       ret_val = phy->ops.read_reg(hw, 0x2F5B,
+                                                   &phy_saved_data);
+                       if (ret_val)
+                               goto out;
+
+                       /* Disable the PHY transmitter */
+                       ret_val = phy->ops.write_reg(hw, 0x2F5B, 0x0003);
+                       if (ret_val)
+                               goto out;
+
+                       msec_delay_irq(20);
+
+                       ret_val = phy->ops.write_reg(hw, 0x0000,
+                                                    IGP01E1000_IEEE_FORCE_GIG);
+                       if (ret_val)
+                               goto out;
+                       for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
+                               ret_val = phy->ops.read_reg(hw,
+                                                           dsp_reg_array[i],
+                                                           &phy_data);
+                               if (ret_val)
+                                       goto out;
+
+                               phy_data &= ~IGP01E1000_PHY_EDAC_MU_INDEX;
+                               phy_data |= IGP01E1000_PHY_EDAC_SIGN_EXT_9_BITS;
+
+                               ret_val = phy->ops.write_reg(hw,
+                                                            dsp_reg_array[i],
+                                                            phy_data);
+                               if (ret_val)
+                                       goto out;
+                       }
+
+                       ret_val = phy->ops.write_reg(hw, 0x0000,
+                                              IGP01E1000_IEEE_RESTART_AUTONEG);
+                       if (ret_val)
+                               goto out;
+
+                       msec_delay_irq(20);
+
+                       /* Now enable the transmitter */
+                       ret_val = phy->ops.write_reg(hw, 0x2F5B,
+                                                    phy_saved_data);
+                       if (ret_val)
+                               goto out;
+
+                       dev_spec->dsp_config = e1000_dsp_config_enabled;
+               }
+
+               if (dev_spec->ffe_config != e1000_ffe_config_active) {
+                       ret_val = E1000_SUCCESS;
+                       goto out;
+               }
+
+               /*
+                * Save off the current value of register 0x2F5B
+                * to be restored at the end of the routines.
+                */
+               ret_val = phy->ops.read_reg(hw, 0x2F5B, &phy_saved_data);
+               if (ret_val)
+                       goto out;
+
+               /* Disable the PHY transmitter */
+               ret_val = phy->ops.write_reg(hw, 0x2F5B, 0x0003);
+               if (ret_val)
+                       goto out;
+
+               msec_delay_irq(20);
+
+               ret_val = phy->ops.write_reg(hw, 0x0000,
+                                            IGP01E1000_IEEE_FORCE_GIG);
+               if (ret_val)
+                       goto out;
+
+               ret_val = phy->ops.write_reg(hw, IGP01E1000_PHY_DSP_FFE,
+                                            IGP01E1000_PHY_DSP_FFE_DEFAULT);
+               if (ret_val)
+                       goto out;
+
+               ret_val = phy->ops.write_reg(hw, 0x0000,
+                                            IGP01E1000_IEEE_RESTART_AUTONEG);
+               if (ret_val)
+                       goto out;
+
+               msec_delay_irq(20);
+
+               /* Now enable the transmitter */
+               ret_val = phy->ops.write_reg(hw, 0x2F5B, phy_saved_data);
+
+               if (ret_val)
+                       goto out;
+
+               dev_spec->ffe_config = e1000_ffe_config_enabled;
+       }
+
+out:
+       return ret_val;
+}
+
+/**
+ *  e1000_get_cable_length_igp_82541 - Determine cable length for igp PHY
+ *  @hw: pointer to the HW structure
+ *
+ *  The automatic gain control (agc) normalizes the amplitude of the
+ *  received signal, adjusting for the attenuation produced by the
+ *  cable.  By reading the AGC registers, which represent the
+ *  combination of coarse and fine gain value, the value can be put
+ *  into a lookup table to obtain the approximate cable length
+ *  for each channel.
+ **/
+STATIC s32 e1000_get_cable_length_igp_82541(struct e1000_hw *hw)
+{
+       struct e1000_phy_info *phy = &hw->phy;
+       s32 ret_val = E1000_SUCCESS;
+       u16 i, data;
+       u16 cur_agc_value, agc_value = 0;
+       u16 min_agc_value = IGP01E1000_AGC_LENGTH_TABLE_SIZE;
+       u16 agc_reg_array[IGP01E1000_PHY_CHANNEL_NUM] = {IGP01E1000_PHY_AGC_A,
+                                                        IGP01E1000_PHY_AGC_B,
+                                                        IGP01E1000_PHY_AGC_C,
+                                                        IGP01E1000_PHY_AGC_D};
+
+       DEBUGFUNC("e1000_get_cable_length_igp_82541");
+
+       /* Read the AGC registers for all channels */
+       for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
+               ret_val = phy->ops.read_reg(hw, agc_reg_array[i], &data);
+               if (ret_val)
+                       goto out;
+
+               cur_agc_value = data >> IGP01E1000_AGC_LENGTH_SHIFT;
+
+               /* Bounds checking */
+               if ((cur_agc_value >= IGP01E1000_AGC_LENGTH_TABLE_SIZE - 1) ||
+                   (cur_agc_value == 0)) {
+                       ret_val = -E1000_ERR_PHY;
+                       goto out;
+               }
+
+               agc_value += cur_agc_value;
+
+               if (min_agc_value > cur_agc_value)
+                       min_agc_value = cur_agc_value;
+       }
+
+       /* Remove the minimal AGC result for length < 50m */
+       if (agc_value < IGP01E1000_PHY_CHANNEL_NUM * 50) {
+               agc_value -= min_agc_value;
+               /* Average the three remaining channels for the length. */
+               agc_value /= (IGP01E1000_PHY_CHANNEL_NUM - 1);
+       } else {
+               /* Average the channels for the length. */
+               agc_value /= IGP01E1000_PHY_CHANNEL_NUM;
+       }
+
+       phy->min_cable_length = (e1000_igp_cable_length_table[agc_value] >
+                                IGP01E1000_AGC_RANGE)
+                               ? (e1000_igp_cable_length_table[agc_value] -
+                                  IGP01E1000_AGC_RANGE)
+                               : 0;
+       phy->max_cable_length = e1000_igp_cable_length_table[agc_value] +
+                               IGP01E1000_AGC_RANGE;
+
+       phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;
+
+out:
+       return ret_val;
+}
+
+/**
+ *  e1000_set_d3_lplu_state_82541 - Sets low power link up state for D3
+ *  @hw: pointer to the HW structure
+ *  @active: boolean used to enable/disable lplu
+ *
+ *  Success returns 0, Failure returns 1
+ *
+ *  The low power link up (lplu) state is set to the power management level D3
+ *  and SmartSpeed is disabled when active is true, else clear lplu for D3
+ *  and enable Smartspeed.  LPLU and Smartspeed are mutually exclusive.  LPLU
+ *  is used during Dx states where the power conservation is most important.
+ *  During driver activity, SmartSpeed should be enabled so performance is
+ *  maintained.
+ **/
+STATIC s32 e1000_set_d3_lplu_state_82541(struct e1000_hw *hw, bool active)
+{
+       struct e1000_phy_info *phy = &hw->phy;
+       s32 ret_val;
+       u16 data;
+
+       DEBUGFUNC("e1000_set_d3_lplu_state_82541");
+
+       switch (hw->mac.type) {
+       case e1000_82541_rev_2:
+       case e1000_82547_rev_2:
+               break;
+       default:
+               ret_val = e1000_set_d3_lplu_state_generic(hw, active);
+               goto out;
+               break;
+       }
+
+       ret_val = phy->ops.read_reg(hw, IGP01E1000_GMII_FIFO, &data);
+       if (ret_val)
+               goto out;
+
+       if (!active) {
+               data &= ~IGP01E1000_GMII_FLEX_SPD;
+               ret_val = phy->ops.write_reg(hw, IGP01E1000_GMII_FIFO, data);
+               if (ret_val)
+                       goto out;
+
+               /*
+                * 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;
+               }
+       } else if ((phy->autoneg_advertised == E1000_ALL_SPEED_DUPLEX) ||
+                  (phy->autoneg_advertised == E1000_ALL_NOT_GIG) ||
+                  (phy->autoneg_advertised == E1000_ALL_10_SPEED)) {
+               data |= IGP01E1000_GMII_FLEX_SPD;
+               ret_val = phy->ops.write_reg(hw, IGP01E1000_GMII_FIFO, 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);
+               if (ret_val)
+                       goto out;
+
+               data &= ~IGP01E1000_PSCFR_SMART_SPEED;
+               ret_val = phy->ops.write_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
+                                            data);
+       }
+
+out:
+       return ret_val;
+}
+
+/**
+ *  e1000_setup_led_82541 - Configures SW controllable LED
+ *  @hw: pointer to the HW structure
+ *
+ *  This prepares the SW controllable LED for use and saves the current state
+ *  of the LED so it can be later restored.
+ **/
+STATIC s32 e1000_setup_led_82541(struct e1000_hw *hw)
+{
+       struct e1000_dev_spec_82541 *dev_spec = &hw->dev_spec._82541;
+       s32 ret_val;
+
+       DEBUGFUNC("e1000_setup_led_82541");
+
+       ret_val = hw->phy.ops.read_reg(hw, IGP01E1000_GMII_FIFO,
+                                      &dev_spec->spd_default);
+       if (ret_val)
+               goto out;
+
+       ret_val = hw->phy.ops.write_reg(hw, IGP01E1000_GMII_FIFO,
+                                       (u16)(dev_spec->spd_default &
+                                       ~IGP01E1000_GMII_SPD));
+       if (ret_val)
+               goto out;
+
+       E1000_WRITE_REG(hw, E1000_LEDCTL, hw->mac.ledctl_mode1);
+
+out:
+       return ret_val;
+}
+
+/**
+ *  e1000_cleanup_led_82541 - Set LED config to default operation
+ *  @hw: pointer to the HW structure
+ *
+ *  Remove the current LED configuration and set the LED configuration
+ *  to the default value, saved from the EEPROM.
+ **/
+STATIC s32 e1000_cleanup_led_82541(struct e1000_hw *hw)
+{
+       struct e1000_dev_spec_82541 *dev_spec = &hw->dev_spec._82541;
+       s32 ret_val;
+
+       DEBUGFUNC("e1000_cleanup_led_82541");
+
+       ret_val = hw->phy.ops.write_reg(hw, IGP01E1000_GMII_FIFO,
+                                       dev_spec->spd_default);
+       if (ret_val)
+               goto out;
+
+       E1000_WRITE_REG(hw, E1000_LEDCTL, hw->mac.ledctl_default);
+
+out:
+       return ret_val;
+}
+
+/**
+ *  e1000_phy_init_script_82541 - Initialize GbE PHY
+ *  @hw: pointer to the HW structure
+ *
+ *  Initializes the IGP PHY.
+ **/
+STATIC s32 e1000_phy_init_script_82541(struct e1000_hw *hw)
+{
+       struct e1000_dev_spec_82541 *dev_spec = &hw->dev_spec._82541;
+       u32 ret_val;
+       u16 phy_saved_data;
+
+       DEBUGFUNC("e1000_phy_init_script_82541");
+
+       if (!dev_spec->phy_init_script) {
+               ret_val = E1000_SUCCESS;
+               goto out;
+       }
+
+       /* Delay after phy reset to enable NVM configuration to load */
+       msec_delay(20);
+
+       /*
+        * Save off the current value of register 0x2F5B to be restored at
+        * the end of this routine.
+        */
+       ret_val = hw->phy.ops.read_reg(hw, 0x2F5B, &phy_saved_data);
+
+       /* Disabled the PHY transmitter */
+       hw->phy.ops.write_reg(hw, 0x2F5B, 0x0003);
+
+       msec_delay(20);
+
+       hw->phy.ops.write_reg(hw, 0x0000, 0x0140);
+
+       msec_delay(5);
+
+       switch (hw->mac.type) {
+       case e1000_82541:
+       case e1000_82547:
+               hw->phy.ops.write_reg(hw, 0x1F95, 0x0001);
+
+               hw->phy.ops.write_reg(hw, 0x1F71, 0xBD21);
+
+               hw->phy.ops.write_reg(hw, 0x1F79, 0x0018);
+
+               hw->phy.ops.write_reg(hw, 0x1F30, 0x1600);
+
+               hw->phy.ops.write_reg(hw, 0x1F31, 0x0014);
+
+               hw->phy.ops.write_reg(hw, 0x1F32, 0x161C);
+
+               hw->phy.ops.write_reg(hw, 0x1F94, 0x0003);
+
+               hw->phy.ops.write_reg(hw, 0x1F96, 0x003F);
+
+               hw->phy.ops.write_reg(hw, 0x2010, 0x0008);
+               break;
+       case e1000_82541_rev_2:
+       case e1000_82547_rev_2:
+               hw->phy.ops.write_reg(hw, 0x1F73, 0x0099);
+               break;
+       default:
+               break;
+       }
+
+       hw->phy.ops.write_reg(hw, 0x0000, 0x3300);
+
+       msec_delay(20);
+
+       /* Now enable the transmitter */
+       hw->phy.ops.write_reg(hw, 0x2F5B, phy_saved_data);
+
+       if (hw->mac.type == e1000_82547) {
+               u16 fused, fine, coarse;
+
+               /* Move to analog registers page */
+               hw->phy.ops.read_reg(hw, IGP01E1000_ANALOG_SPARE_FUSE_STATUS,
+                                    &fused);
+
+               if (!(fused & IGP01E1000_ANALOG_SPARE_FUSE_ENABLED)) {
+                       hw->phy.ops.read_reg(hw, IGP01E1000_ANALOG_FUSE_STATUS,
+                                            &fused);
+
+                       fine = fused & IGP01E1000_ANALOG_FUSE_FINE_MASK;
+                       coarse = fused & IGP01E1000_ANALOG_FUSE_COARSE_MASK;
+
+                       if (coarse > IGP01E1000_ANALOG_FUSE_COARSE_THRESH) {
+                               coarse -= IGP01E1000_ANALOG_FUSE_COARSE_10;
+                               fine -= IGP01E1000_ANALOG_FUSE_FINE_1;
+                       } else if (coarse ==
+                                  IGP01E1000_ANALOG_FUSE_COARSE_THRESH)
+                               fine -= IGP01E1000_ANALOG_FUSE_FINE_10;
+
+                       fused = (fused & IGP01E1000_ANALOG_FUSE_POLY_MASK) |
+                               (fine & IGP01E1000_ANALOG_FUSE_FINE_MASK) |
+                               (coarse & IGP01E1000_ANALOG_FUSE_COARSE_MASK);
+
+                       hw->phy.ops.write_reg(hw,
+                                             IGP01E1000_ANALOG_FUSE_CONTROL,
+                                             fused);
+                       hw->phy.ops.write_reg(hw,
+                                     IGP01E1000_ANALOG_FUSE_BYPASS,
+                                     IGP01E1000_ANALOG_FUSE_ENABLE_SW_CONTROL);
+               }
+       }
+
+out:
+       return ret_val;
+}
+
+/**
+ *  e1000_init_script_state_82541 - Enable/Disable PHY init script
+ *  @hw: pointer to the HW structure
+ *  @state: boolean value used to enable/disable PHY init script
+ *
+ *  Allows the driver to enable/disable the PHY init script, if the PHY is an
+ *  IGP PHY.
+ **/
+void e1000_init_script_state_82541(struct e1000_hw *hw, bool state)
+{
+       struct e1000_dev_spec_82541 *dev_spec = &hw->dev_spec._82541;
+
+       DEBUGFUNC("e1000_init_script_state_82541");
+
+       if (hw->phy.type != e1000_phy_igp) {
+               DEBUGOUT("Initialization script not necessary.\n");
+               goto out;
+       }
+
+       dev_spec->phy_init_script = state;
+
+out:
+       return;
+}
+
+/**
+ * e1000_power_down_phy_copper_82541 - Remove link in case of PHY power down
+ * @hw: pointer to the HW structure
+ *
+ * In the case of a PHY power down to save power, or to turn off link during a
+ * driver unload, or wake on lan is not enabled, remove the link.
+ **/
+STATIC void e1000_power_down_phy_copper_82541(struct e1000_hw *hw)
+{
+       /* If the management interface is not enabled, then power down */
+       if (!(E1000_READ_REG(hw, E1000_MANC) & E1000_MANC_SMBUS_EN))
+               e1000_power_down_phy_copper(hw);
+
+       return;
+}
+
+/**
+ *  e1000_clear_hw_cntrs_82541 - Clear device specific hardware counters
+ *  @hw: pointer to the HW structure
+ *
+ *  Clears the hardware counters by reading the counter registers.
+ **/
+STATIC void e1000_clear_hw_cntrs_82541(struct e1000_hw *hw)
+{
+       DEBUGFUNC("e1000_clear_hw_cntrs_82541");
+
+       e1000_clear_hw_cntrs_base_generic(hw);
+
+       E1000_READ_REG(hw, E1000_PRC64);
+       E1000_READ_REG(hw, E1000_PRC127);
+       E1000_READ_REG(hw, E1000_PRC255);
+       E1000_READ_REG(hw, E1000_PRC511);
+       E1000_READ_REG(hw, E1000_PRC1023);
+       E1000_READ_REG(hw, E1000_PRC1522);
+       E1000_READ_REG(hw, E1000_PTC64);
+       E1000_READ_REG(hw, E1000_PTC127);
+       E1000_READ_REG(hw, E1000_PTC255);
+       E1000_READ_REG(hw, E1000_PTC511);
+       E1000_READ_REG(hw, E1000_PTC1023);
+       E1000_READ_REG(hw, E1000_PTC1522);
+
+       E1000_READ_REG(hw, E1000_ALGNERRC);
+       E1000_READ_REG(hw, E1000_RXERRC);
+       E1000_READ_REG(hw, E1000_TNCRS);
+       E1000_READ_REG(hw, E1000_CEXTERR);
+       E1000_READ_REG(hw, E1000_TSCTC);
+       E1000_READ_REG(hw, E1000_TSCTFC);
+
+       E1000_READ_REG(hw, E1000_MGTPRC);
+       E1000_READ_REG(hw, E1000_MGTPDC);
+       E1000_READ_REG(hw, E1000_MGTPTC);
+}