1 files changed, 408 insertions, 23 deletions

diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index b63d9878b0ac..b69c8190da30 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -48,6 +48,10 @@
  * 82567LF-3 Gigabit Network Connection
  * 82567LM-3 Gigabit Network Connection
  * 82567LM-4 Gigabit Network Connection
+ * 82577LM Gigabit Network Connection
+ * 82577LC Gigabit Network Connection
+ * 82578DM Gigabit Network Connection
+ * 82578DC Gigabit Network Connection
  */
 
 #include <linux/netdevice.h>
@@ -116,6 +120,8 @@
 #define IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK 0x0300
 #define IGP3_VR_CTRL_MODE_SHUTDOWN      0x0200
 
+#define HV_LED_CONFIG           PHY_REG(768, 30) /* LED Configuration */
+
 /* ICH GbE Flash Hardware Sequencing Flash Status Register bit breakdown */
 /* Offset 04h HSFSTS */
 union ich8_hws_flash_status {
@@ -186,6 +192,14 @@ static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
 static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw);
 static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw);
 static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw);
+static s32 e1000_cleanup_led_ich8lan(struct e1000_hw *hw);
+static s32 e1000_led_on_ich8lan(struct e1000_hw *hw);
+static s32 e1000_led_off_ich8lan(struct e1000_hw *hw);
+static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw);
+static s32 e1000_setup_led_pchlan(struct e1000_hw *hw);
+static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw);
+static s32 e1000_led_on_pchlan(struct e1000_hw *hw);
+static s32 e1000_led_off_pchlan(struct e1000_hw *hw);
 
 static inline u16 __er16flash(struct e1000_hw *hw, unsigned long reg)
 {
@@ -213,6 +227,41 @@ static inline void __ew32flash(struct e1000_hw *hw, unsigned long reg, u32 val)
 #define ew32flash(reg,val)      __ew32flash(hw, (reg), (val))
 
 /**
+ *  e1000_init_phy_params_pchlan - Initialize PHY function pointers
+ *  @hw: pointer to the HW structure
+ *
+ *  Initialize family-specific PHY parameters and function pointers.
+ **/
+static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
+{
+        struct e1000_phy_info *phy = &hw->phy;
+        s32 ret_val = 0;
+
+        phy->addr                     = 1;
+        phy->reset_delay_us           = 100;
+
+        phy->ops.check_polarity       = e1000_check_polarity_ife_ich8lan;
+        phy->ops.read_phy_reg         = e1000_read_phy_reg_hv;
+        phy->ops.write_phy_reg        = e1000_write_phy_reg_hv;
+        phy->autoneg_mask             = AUTONEG_ADVERTISE_SPEED_DEFAULT;
+
+        phy->id = e1000_phy_unknown;
+        e1000e_get_phy_id(hw);
+        phy->type = e1000e_get_phy_type_from_id(phy->id);
+
+        if (phy->type == e1000_phy_82577) {
+                phy->ops.check_polarity = e1000_check_polarity_82577;
+                phy->ops.force_speed_duplex =
+                        e1000_phy_force_speed_duplex_82577;
+                phy->ops.get_cable_length   = e1000_get_cable_length_82577;
+                phy->ops.get_phy_info = e1000_get_phy_info_82577;
+                phy->ops.commit_phy = e1000e_phy_sw_reset;
+        }
+
+        return ret_val;
+}
+
+/**
  *  e1000_init_phy_params_ich8lan - Initialize PHY function pointers
  *  @hw: pointer to the HW structure
  *
@@ -273,6 +322,8 @@ static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw)
                 break;
         }
 
+        phy->ops.check_polarity = e1000_check_polarity_ife_ich8lan;
+
         return 0;
 }
 
@@ -358,6 +409,36 @@ static s32 e1000_init_mac_params_ich8lan(struct e1000_adapter *adapter)
         /* Set if manageability features are enabled. */
         mac->arc_subsystem_valid = 1;
 
+        /* LED operations */
+        switch (mac->type) {
+        case e1000_ich8lan:
+        case e1000_ich9lan:
+        case e1000_ich10lan:
+                /* ID LED init */
+                mac->ops.id_led_init = e1000e_id_led_init;
+                /* setup LED */
+                mac->ops.setup_led = e1000e_setup_led_generic;
+                /* cleanup LED */
+                mac->ops.cleanup_led = e1000_cleanup_led_ich8lan;
+                /* turn on/off LED */
+                mac->ops.led_on = e1000_led_on_ich8lan;
+                mac->ops.led_off = e1000_led_off_ich8lan;
+                break;
+        case e1000_pchlan:
+                /* ID LED init */
+                mac->ops.id_led_init = e1000_id_led_init_pchlan;
+                /* setup LED */
+                mac->ops.setup_led = e1000_setup_led_pchlan;
+                /* cleanup LED */
+                mac->ops.cleanup_led = e1000_cleanup_led_pchlan;
+                /* turn on/off LED */
+                mac->ops.led_on = e1000_led_on_pchlan;
+                mac->ops.led_off = e1000_led_off_pchlan;
+                break;
+        default:
+                break;
+        }
+
         /* Enable PCS Lock-loss workaround for ICH8 */
         if (mac->type == e1000_ich8lan)
                 e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw, 1);
@@ -378,7 +459,10 @@ static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter)
         if (rc)
                 return rc;
 
-        rc = e1000_init_phy_params_ich8lan(hw);
+        if (hw->mac.type == e1000_pchlan)
+                rc = e1000_init_phy_params_pchlan(hw);
+        else
+                rc = e1000_init_phy_params_ich8lan(hw);
         if (rc)
                 return rc;
 
@@ -415,12 +499,15 @@ static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw)
 
         while (timeout) {
                 extcnf_ctrl = er32(EXTCNF_CTRL);
-                extcnf_ctrl |= E1000_EXTCNF_CTRL_SWFLAG;
-                ew32(EXTCNF_CTRL, extcnf_ctrl);
 
-                extcnf_ctrl = er32(EXTCNF_CTRL);
-                if (extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG)
-                        break;
+                if (!(extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG)) {
+                        extcnf_ctrl |= E1000_EXTCNF_CTRL_SWFLAG;
+                        ew32(EXTCNF_CTRL, extcnf_ctrl);
+
+                        extcnf_ctrl = er32(EXTCNF_CTRL);
+                        if (extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG)
+                                break;
+                }
                 mdelay(1);
                 timeout--;
         }
@@ -560,6 +647,53 @@ static s32 e1000_phy_force_speed_duplex_ich8lan(struct e1000_hw *hw)
 }
 
 /**
+ *  e1000_hv_phy_workarounds_ich8lan - A series of Phy workarounds to be
+ *  done after every PHY reset.
+ **/
+static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw)
+{
+        s32 ret_val = 0;
+
+        if (hw->mac.type != e1000_pchlan)
+                return ret_val;
+
+        if (((hw->phy.type == e1000_phy_82577) &&
+             ((hw->phy.revision == 1) || (hw->phy.revision == 2))) ||
+            ((hw->phy.type == e1000_phy_82578) && (hw->phy.revision == 1))) {
+                /* Disable generation of early preamble */
+                ret_val = e1e_wphy(hw, PHY_REG(769, 25), 0x4431);
+                if (ret_val)
+                        return ret_val;
+
+                /* Preamble tuning for SSC */
+                ret_val = e1e_wphy(hw, PHY_REG(770, 16), 0xA204);
+                if (ret_val)
+                        return ret_val;
+        }
+
+        if (hw->phy.type == e1000_phy_82578) {
+                /*
+                 * Return registers to default by doing a soft reset then
+                 * writing 0x3140 to the control register.
+                 */
+                if (hw->phy.revision < 2) {
+                        e1000e_phy_sw_reset(hw);
+                        ret_val = e1e_wphy(hw, PHY_CONTROL, 0x3140);
+                }
+        }
+
+        /* Select page 0 */
+        ret_val = hw->phy.ops.acquire_phy(hw);
+        if (ret_val)
+                return ret_val;
+        hw->phy.addr = 1;
+        e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, 0);
+        hw->phy.ops.release_phy(hw);
+
+        return ret_val;
+}
+
+/**
  *  e1000_phy_hw_reset_ich8lan - Performs a PHY reset
  *  @hw: pointer to the HW structure
  *
@@ -580,6 +714,12 @@ static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw)
         if (ret_val)
                 return ret_val;
 
+        if (hw->mac.type == e1000_pchlan) {
+                ret_val = e1000_hv_phy_workarounds_ich8lan(hw);
+                if (ret_val)
+                        return ret_val;
+        }
+
         /*
          * Initialize the PHY from the NVM on ICH platforms.  This
          * is needed due to an issue where the NVM configuration is
@@ -706,7 +846,7 @@ static s32 e1000_get_phy_info_ife_ich8lan(struct e1000_hw *hw)
         phy->polarity_correction = (!(data & IFE_PSC_AUTO_POLARITY_DISABLE));
 
         if (phy->polarity_correction) {
-                ret_val = e1000_check_polarity_ife_ich8lan(hw);
+                ret_val = phy->ops.check_polarity(hw);
                 if (ret_val)
                         return ret_val;
         } else {
@@ -746,6 +886,8 @@ static s32 e1000_get_phy_info_ich8lan(struct e1000_hw *hw)
                 break;
         case e1000_phy_igp_3:
         case e1000_phy_bm:
+        case e1000_phy_82578:
+        case e1000_phy_82577:
                 return e1000e_get_phy_info_igp(hw);
                 break;
         default:
@@ -1857,6 +1999,79 @@ static s32 e1000_valid_led_default_ich8lan(struct e1000_hw *hw, u16 *data)
 }
 
 /**
+ *  e1000_id_led_init_pchlan - store LED configurations
+ *  @hw: pointer to the HW structure
+ *
+ *  PCH does not control LEDs via the LEDCTL register, rather it uses
+ *  the PHY LED configuration register.
+ *
+ *  PCH also does not have an "always on" or "always off" mode which
+ *  complicates the ID feature.  Instead of using the "on" mode to indicate
+ *  in ledctl_mode2 the LEDs to use for ID (see e1000e_id_led_init()),
+ *  use "link_up" mode.  The LEDs will still ID on request if there is no
+ *  link based on logic in e1000_led_[on|off]_pchlan().
+ **/
+static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw)
+{
+        struct e1000_mac_info *mac = &hw->mac;
+        s32 ret_val;
+        const u32 ledctl_on = E1000_LEDCTL_MODE_LINK_UP;
+        const u32 ledctl_off = E1000_LEDCTL_MODE_LINK_UP | E1000_PHY_LED0_IVRT;
+        u16 data, i, temp, shift;
+
+        /* Get default ID LED modes */
+        ret_val = hw->nvm.ops.valid_led_default(hw, &data);
+        if (ret_val)
+                goto out;
+
+        mac->ledctl_default = er32(LEDCTL);
+        mac->ledctl_mode1 = mac->ledctl_default;
+        mac->ledctl_mode2 = mac->ledctl_default;
+
+        for (i = 0; i < 4; i++) {
+                temp = (data >> (i << 2)) & E1000_LEDCTL_LED0_MODE_MASK;
+                shift = (i * 5);
+                switch (temp) {
+                case ID_LED_ON1_DEF2:
+                case ID_LED_ON1_ON2:
+                case ID_LED_ON1_OFF2:
+                        mac->ledctl_mode1 &= ~(E1000_PHY_LED0_MASK << shift);
+                        mac->ledctl_mode1 |= (ledctl_on << shift);
+                        break;
+                case ID_LED_OFF1_DEF2:
+                case ID_LED_OFF1_ON2:
+                case ID_LED_OFF1_OFF2:
+                        mac->ledctl_mode1 &= ~(E1000_PHY_LED0_MASK << shift);
+                        mac->ledctl_mode1 |= (ledctl_off << shift);
+                        break;
+                default:
+                        /* Do nothing */
+                        break;
+                }
+                switch (temp) {
+                case ID_LED_DEF1_ON2:
+                case ID_LED_ON1_ON2:
+                case ID_LED_OFF1_ON2:
+                        mac->ledctl_mode2 &= ~(E1000_PHY_LED0_MASK << shift);
+                        mac->ledctl_mode2 |= (ledctl_on << shift);
+                        break;
+                case ID_LED_DEF1_OFF2:
+                case ID_LED_ON1_OFF2:
+                case ID_LED_OFF1_OFF2:
+                        mac->ledctl_mode2 &= ~(E1000_PHY_LED0_MASK << shift);
+                        mac->ledctl_mode2 |= (ledctl_off << shift);
+                        break;
+                default:
+                        /* Do nothing */
+                        break;
+                }
+        }
+
+out:
+        return ret_val;
+}
+
+/**
  *  e1000_get_bus_info_ich8lan - Get/Set the bus type and width
  *  @hw: pointer to the HW structure
  *
@@ -1965,6 +2180,9 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
         kab |= E1000_KABGTXD_BGSQLBIAS;
         ew32(KABGTXD, kab);
 
+        if (hw->mac.type == e1000_pchlan)
+                ret_val = e1000_hv_phy_workarounds_ich8lan(hw);
+
         return ret_val;
 }
 
@@ -1990,7 +2208,7 @@ static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw)
         e1000_initialize_hw_bits_ich8lan(hw);
 
         /* Initialize identification LED */
-        ret_val = e1000e_id_led_init(hw);
+        ret_val = mac->ops.id_led_init(hw);
         if (ret_val) {
                 hw_dbg(hw, "Error initializing identification LED\n");
                 return ret_val;
@@ -2036,6 +2254,16 @@ static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw)
         ew32(CTRL_EXT, ctrl_ext);
 
         /*
+         * The 82578 Rx buffer will stall if wakeup is enabled in host and
+         * the ME.  Reading the BM_WUC register will clear the host wakeup bit.
+         * Reset the phy after disabling host wakeup to reset the Rx buffer.
+         */
+        if (hw->phy.type == e1000_phy_82578) {
+                e1e_rphy(hw, BM_WUC, &i);
+                e1000e_phy_hw_reset_generic(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
@@ -2059,6 +2287,9 @@ static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw)
         /* Extended Device Control */
         reg = er32(CTRL_EXT);
         reg |= (1 << 22);
+        /* Enable PHY low-power state when MAC is at D3 w/o WoL */
+        if (hw->mac.type >= e1000_pchlan)
+                reg |= E1000_CTRL_EXT_PHYPDEN;
         ew32(CTRL_EXT, reg);
 
         /* Transmit Descriptor Control 0 */
@@ -2135,6 +2366,14 @@ static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw)
                 return ret_val;
 
         ew32(FCTTV, hw->fc.pause_time);
+        if ((hw->phy.type == e1000_phy_82578) ||
+            (hw->phy.type == e1000_phy_82577)) {
+                ret_val = hw->phy.ops.write_phy_reg(hw,
+                                             PHY_REG(BM_PORT_CTRL_PAGE, 27),
+                                             hw->fc.pause_time);
+                if (ret_val)
+                        return ret_val;
+        }
 
         return e1000e_set_fc_watermarks(hw);
 }
@@ -2174,18 +2413,26 @@ static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw)
         if (ret_val)
                 return ret_val;
 
-        if (hw->phy.type == e1000_phy_igp_3) {
+        switch (hw->phy.type) {
+        case e1000_phy_igp_3:
                 ret_val = e1000e_copper_link_setup_igp(hw);
                 if (ret_val)
                         return ret_val;
-        } else if (hw->phy.type == e1000_phy_bm) {
+                break;
+        case e1000_phy_bm:
+        case e1000_phy_82578:
                 ret_val = e1000e_copper_link_setup_m88(hw);
                 if (ret_val)
                         return ret_val;
-        }
-
-        if (hw->phy.type == e1000_phy_ife) {
-                ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &reg_data);
+                break;
+        case e1000_phy_82577:
+                ret_val = e1000_copper_link_setup_82577(hw);
+                if (ret_val)
+                        return ret_val;
+                break;
+        case e1000_phy_ife:
+                ret_val = hw->phy.ops.read_phy_reg(hw, IFE_PHY_MDIX_CONTROL,
+                                               &reg_data);
                 if (ret_val)
                         return ret_val;
 
@@ -2203,9 +2450,13 @@ static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw)
                         reg_data |= IFE_PMC_AUTO_MDIX;
                         break;
                 }
-                ret_val = e1e_wphy(hw, IFE_PHY_MDIX_CONTROL, reg_data);
+                ret_val = hw->phy.ops.write_phy_reg(hw, IFE_PHY_MDIX_CONTROL,
+                                                reg_data);
                 if (ret_val)
                         return ret_val;
+                break;
+        default:
+                break;
         }
         return e1000e_setup_copper_link(hw);
 }
@@ -2422,18 +2673,26 @@ void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw)
  *  'LPLU Enabled' and 'Gig Disable' to force link speed negotiation
  *  to a lower speed.
  *
- *  Should only be called for ICH9 and ICH10 devices.
+ *  Should only be called for applicable parts.
  **/
 void e1000e_disable_gig_wol_ich8lan(struct e1000_hw *hw)
 {
         u32 phy_ctrl;
 
-        if ((hw->mac.type == e1000_ich10lan) ||
-            (hw->mac.type == e1000_ich9lan)) {
+        switch (hw->mac.type) {
+        case e1000_ich9lan:
+        case e1000_ich10lan:
+        case e1000_pchlan:
                 phy_ctrl = er32(PHY_CTRL);
                 phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU |
                             E1000_PHY_CTRL_GBE_DISABLE;
                 ew32(PHY_CTRL, phy_ctrl);
+
+                /* Workaround SWFLAG unexpectedly set during S0->Sx */
+                if (hw->mac.type == e1000_pchlan)
+                        udelay(500);
+        default:
+                break;
         }
 
         return;
@@ -2487,13 +2746,99 @@ static s32 e1000_led_off_ich8lan(struct e1000_hw *hw)
 }
 
 /**
+ *  e1000_setup_led_pchlan - Configures SW controllable LED
+ *  @hw: pointer to the HW structure
+ *
+ *  This prepares the SW controllable LED for use.
+ **/
+static s32 e1000_setup_led_pchlan(struct e1000_hw *hw)
+{
+        return hw->phy.ops.write_phy_reg(hw, HV_LED_CONFIG,
+                                        (u16)hw->mac.ledctl_mode1);
+}
+
+/**
+ *  e1000_cleanup_led_pchlan - Restore the default LED operation
+ *  @hw: pointer to the HW structure
+ *
+ *  Return the LED back to the default configuration.
+ **/
+static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw)
+{
+        return hw->phy.ops.write_phy_reg(hw, HV_LED_CONFIG,
+                                        (u16)hw->mac.ledctl_default);
+}
+
+/**
+ *  e1000_led_on_pchlan - Turn LEDs on
+ *  @hw: pointer to the HW structure
+ *
+ *  Turn on the LEDs.
+ **/
+static s32 e1000_led_on_pchlan(struct e1000_hw *hw)
+{
+        u16 data = (u16)hw->mac.ledctl_mode2;
+        u32 i, led;
+
+        /*
+         * If no link, then turn LED on by setting the invert bit
+         * for each LED that's mode is "link_up" in ledctl_mode2.
+         */
+        if (!(er32(STATUS) & E1000_STATUS_LU)) {
+                for (i = 0; i < 3; i++) {
+                        led = (data >> (i * 5)) & E1000_PHY_LED0_MASK;
+                        if ((led & E1000_PHY_LED0_MODE_MASK) !=
+                            E1000_LEDCTL_MODE_LINK_UP)
+                                continue;
+                        if (led & E1000_PHY_LED0_IVRT)
+                                data &= ~(E1000_PHY_LED0_IVRT << (i * 5));
+                        else
+                                data |= (E1000_PHY_LED0_IVRT << (i * 5));
+                }
+        }
+
+        return hw->phy.ops.write_phy_reg(hw, HV_LED_CONFIG, data);
+}
+
+/**
+ *  e1000_led_off_pchlan - Turn LEDs off
+ *  @hw: pointer to the HW structure
+ *
+ *  Turn off the LEDs.
+ **/
+static s32 e1000_led_off_pchlan(struct e1000_hw *hw)
+{
+        u16 data = (u16)hw->mac.ledctl_mode1;
+        u32 i, led;
+
+        /*
+         * If no link, then turn LED off by clearing the invert bit
+         * for each LED that's mode is "link_up" in ledctl_mode1.
+         */
+        if (!(er32(STATUS) & E1000_STATUS_LU)) {
+                for (i = 0; i < 3; i++) {
+                        led = (data >> (i * 5)) & E1000_PHY_LED0_MASK;
+                        if ((led & E1000_PHY_LED0_MODE_MASK) !=
+                            E1000_LEDCTL_MODE_LINK_UP)
+                                continue;
+                        if (led & E1000_PHY_LED0_IVRT)
+                                data &= ~(E1000_PHY_LED0_IVRT << (i * 5));
+                        else
+                                data |= (E1000_PHY_LED0_IVRT << (i * 5));
+                }
+        }
+
+        return hw->phy.ops.write_phy_reg(hw, HV_LED_CONFIG, data);
+}
+
+/**
  *  e1000_get_cfg_done_ich8lan - 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
- *  E1000_SUCCESS.  If we were to return with error, EEPROM-less silicon
+ *  0.  If we were to return with error, EEPROM-less silicon
  *  would not be able to be reset or change link.
  **/
 static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw)
@@ -2503,7 +2848,8 @@ static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw)
         e1000e_get_cfg_done(hw);
 
         /* If EEPROM is not marked present, init the IGP 3 PHY manually */
-        if (hw->mac.type != e1000_ich10lan) {
+        if ((hw->mac.type != e1000_ich10lan) &&
+            (hw->mac.type != e1000_pchlan)) {
                 if (((er32(EECD) & E1000_EECD_PRES) == 0) &&
                     (hw->phy.type == e1000_phy_igp_3)) {
                         e1000e_phy_init_script_igp3(hw);
@@ -2529,6 +2875,7 @@ static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw)
 static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw)
 {
         u32 temp;
+        u16 phy_data;
 
         e1000e_clear_hw_cntrs_base(hw);
 
@@ -2546,22 +2893,42 @@ static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw)
         temp = er32(IAC);
         temp = er32(ICRXOC);
 
+        /* Clear PHY statistics registers */
+        if ((hw->phy.type == e1000_phy_82578) ||
+            (hw->phy.type == e1000_phy_82577)) {
+                hw->phy.ops.read_phy_reg(hw, HV_SCC_UPPER, &phy_data);
+                hw->phy.ops.read_phy_reg(hw, HV_SCC_LOWER, &phy_data);
+                hw->phy.ops.read_phy_reg(hw, HV_ECOL_UPPER, &phy_data);
+                hw->phy.ops.read_phy_reg(hw, HV_ECOL_LOWER, &phy_data);
+                hw->phy.ops.read_phy_reg(hw, HV_MCC_UPPER, &phy_data);
+                hw->phy.ops.read_phy_reg(hw, HV_MCC_LOWER, &phy_data);
+                hw->phy.ops.read_phy_reg(hw, HV_LATECOL_UPPER, &phy_data);
+                hw->phy.ops.read_phy_reg(hw, HV_LATECOL_LOWER, &phy_data);
+                hw->phy.ops.read_phy_reg(hw, HV_COLC_UPPER, &phy_data);
+                hw->phy.ops.read_phy_reg(hw, HV_COLC_LOWER, &phy_data);
+                hw->phy.ops.read_phy_reg(hw, HV_DC_UPPER, &phy_data);
+                hw->phy.ops.read_phy_reg(hw, HV_DC_LOWER, &phy_data);
+                hw->phy.ops.read_phy_reg(hw, HV_TNCRS_UPPER, &phy_data);
+                hw->phy.ops.read_phy_reg(hw, HV_TNCRS_LOWER, &phy_data);
+        }
 }
 
 static struct e1000_mac_operations ich8_mac_ops = {
+        .id_led_init            = e1000e_id_led_init,
         .check_mng_mode         = e1000_check_mng_mode_ich8lan,
         .check_for_link         = e1000e_check_for_copper_link,
-        .cleanup_led            = e1000_cleanup_led_ich8lan,
+        /* cleanup_led dependent on mac type */
         .clear_hw_cntrs         = e1000_clear_hw_cntrs_ich8lan,
         .get_bus_info           = e1000_get_bus_info_ich8lan,
         .get_link_up_info       = e1000_get_link_up_info_ich8lan,
-        .led_on                 = e1000_led_on_ich8lan,
-        .led_off                = e1000_led_off_ich8lan,
+        /* led_on dependent on mac type */
+        /* led_off dependent on mac type */
         .update_mc_addr_list    = e1000e_update_mc_addr_list_generic,
         .reset_hw               = e1000_reset_hw_ich8lan,
         .init_hw                = e1000_init_hw_ich8lan,
         .setup_link             = e1000_setup_link_ich8lan,
         .setup_physical_interface= e1000_setup_copper_link_ich8lan,
+        /* id_led_init dependent on mac type */
 };
 
 static struct e1000_phy_operations ich8_phy_ops = {
@@ -2644,3 +3011,21 @@ struct e1000_info e1000_ich10_info = {
         .phy_ops                = &ich8_phy_ops,
         .nvm_ops                = &ich8_nvm_ops,
 };
+
+struct e1000_info e1000_pch_info = {
+        .mac                    = e1000_pchlan,
+        .flags                  = FLAG_IS_ICH
+                                  | FLAG_HAS_WOL
+                                  | FLAG_RX_CSUM_ENABLED
+                                  | FLAG_HAS_CTRLEXT_ON_LOAD
+                                  | FLAG_HAS_AMT
+                                  | FLAG_HAS_FLASH
+                                  | FLAG_HAS_JUMBO_FRAMES
+                                  | FLAG_APME_IN_WUC,
+        .pba                    = 26,
+        .max_hw_frame_size      = 4096,
+        .get_variants           = e1000_get_variants_ich8lan,
+        .mac_ops                = &ich8_mac_ops,
+        .phy_ops                = &ich8_phy_ops,
+        .nvm_ops                = &ich8_nvm_ops,
+};