1 files changed, 260 insertions, 68 deletions

diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c
index 77d08e697b74..aed223b1b897 100644
--- a/drivers/net/e1000/e1000_hw.c
+++ b/drivers/net/e1000/e1000_hw.c
@@ -130,10 +130,15 @@ static s32 e1000_set_phy_type(struct e1000_hw *hw)
                 if (hw->mac_type == e1000_82541 ||
                     hw->mac_type == e1000_82541_rev_2 ||
                     hw->mac_type == e1000_82547 ||
-                    hw->mac_type == e1000_82547_rev_2) {
+                    hw->mac_type == e1000_82547_rev_2)
                         hw->phy_type = e1000_phy_igp;
-                        break;
-                }
+                break;
+        case RTL8211B_PHY_ID:
+                hw->phy_type = e1000_phy_8211;
+                break;
+        case RTL8201N_PHY_ID:
+                hw->phy_type = e1000_phy_8201;
+                break;
         default:
                 /* Should never have loaded on this device */
                 hw->phy_type = e1000_phy_undefined;
@@ -318,6 +323,9 @@ s32 e1000_set_mac_type(struct e1000_hw *hw)
         case E1000_DEV_ID_82547GI:
                 hw->mac_type = e1000_82547_rev_2;
                 break;
+        case E1000_DEV_ID_INTEL_CE4100_GBE:
+                hw->mac_type = e1000_ce4100;
+                break;
         default:
                 /* Should never have loaded on this device */
                 return -E1000_ERR_MAC_TYPE;
@@ -372,6 +380,9 @@ void e1000_set_media_type(struct e1000_hw *hw)
                 case e1000_82542_rev2_1:
                         hw->media_type = e1000_media_type_fiber;
                         break;
+                case e1000_ce4100:
+                        hw->media_type = e1000_media_type_copper;
+                        break;
                 default:
                         status = er32(STATUS);
                         if (status & E1000_STATUS_TBIMODE) {
@@ -460,6 +471,7 @@ s32 e1000_reset_hw(struct e1000_hw *hw)
                 /* Reset is performed on a shadow of the control register */
                 ew32(CTRL_DUP, (ctrl | E1000_CTRL_RST));
                 break;
+        case e1000_ce4100:
         default:
                 ew32(CTRL, (ctrl | E1000_CTRL_RST));
                 break;
@@ -952,6 +964,67 @@ static s32 e1000_setup_fiber_serdes_link(struct e1000_hw *hw)
 }
 
 /**
+ * e1000_copper_link_rtl_setup - Copper link setup for e1000_phy_rtl series.
+ * @hw: Struct containing variables accessed by shared code
+ *
+ * Commits changes to PHY configuration by calling e1000_phy_reset().
+ */
+static s32 e1000_copper_link_rtl_setup(struct e1000_hw *hw)
+{
+        s32 ret_val;
+
+        /* SW reset the PHY so all changes take effect */
+        ret_val = e1000_phy_reset(hw);
+        if (ret_val) {
+                e_dbg("Error Resetting the PHY\n");
+                return ret_val;
+        }
+
+        return E1000_SUCCESS;
+}
+
+static s32 gbe_dhg_phy_setup(struct e1000_hw *hw)
+{
+        s32 ret_val;
+        u32 ctrl_aux;
+
+        switch (hw->phy_type) {
+        case e1000_phy_8211:
+                ret_val = e1000_copper_link_rtl_setup(hw);
+                if (ret_val) {
+                        e_dbg("e1000_copper_link_rtl_setup failed!\n");
+                        return ret_val;
+                }
+                break;
+        case e1000_phy_8201:
+                /* Set RMII mode */
+                ctrl_aux = er32(CTL_AUX);
+                ctrl_aux |= E1000_CTL_AUX_RMII;
+                ew32(CTL_AUX, ctrl_aux);
+                E1000_WRITE_FLUSH();
+
+                /* Disable the J/K bits required for receive */
+                ctrl_aux = er32(CTL_AUX);
+                ctrl_aux |= 0x4;
+                ctrl_aux &= ~0x2;
+                ew32(CTL_AUX, ctrl_aux);
+                E1000_WRITE_FLUSH();
+                ret_val = e1000_copper_link_rtl_setup(hw);
+
+                if (ret_val) {
+                        e_dbg("e1000_copper_link_rtl_setup failed!\n");
+                        return ret_val;
+                }
+                break;
+        default:
+                e_dbg("Error Resetting the PHY\n");
+                return E1000_ERR_PHY_TYPE;
+        }
+
+        return E1000_SUCCESS;
+}
+
+/**
  * e1000_copper_link_preconfig - early configuration for copper
  * @hw: Struct containing variables accessed by shared code
  *
@@ -1286,6 +1359,10 @@ static s32 e1000_copper_link_autoneg(struct e1000_hw *hw)
         if (hw->autoneg_advertised == 0)
                 hw->autoneg_advertised = AUTONEG_ADVERTISE_SPEED_DEFAULT;
 
+        /* IFE/RTL8201N PHY only supports 10/100 */
+        if (hw->phy_type == e1000_phy_8201)
+                hw->autoneg_advertised &= AUTONEG_ADVERTISE_10_100_ALL;
+
         e_dbg("Reconfiguring auto-neg advertisement params\n");
         ret_val = e1000_phy_setup_autoneg(hw);
         if (ret_val) {
@@ -1341,7 +1418,7 @@ static s32 e1000_copper_link_postconfig(struct e1000_hw *hw)
         s32 ret_val;
         e_dbg("e1000_copper_link_postconfig");
 
-        if (hw->mac_type >= e1000_82544) {
+        if ((hw->mac_type >= e1000_82544) && (hw->mac_type != e1000_ce4100)) {
                 e1000_config_collision_dist(hw);
         } else {
                 ret_val = e1000_config_mac_to_phy(hw);
@@ -1395,6 +1472,12 @@ static s32 e1000_setup_copper_link(struct e1000_hw *hw)
                 ret_val = e1000_copper_link_mgp_setup(hw);
                 if (ret_val)
                         return ret_val;
+        } else {
+                ret_val = gbe_dhg_phy_setup(hw);
+                if (ret_val) {
+                        e_dbg("gbe_dhg_phy_setup failed!\n");
+                        return ret_val;
+                }
         }
 
         if (hw->autoneg) {
@@ -1461,10 +1544,11 @@ s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
                 return ret_val;
 
         /* Read the MII 1000Base-T Control Register (Address 9). */
-        ret_val =
-            e1000_read_phy_reg(hw, PHY_1000T_CTRL, &mii_1000t_ctrl_reg);
+        ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &mii_1000t_ctrl_reg);
         if (ret_val)
                 return ret_val;
+        else if (hw->phy_type == e1000_phy_8201)
+                mii_1000t_ctrl_reg &= ~REG9_SPEED_MASK;
 
         /* Need to parse both autoneg_advertised and fc and set up
          * the appropriate PHY registers.  First we will parse for
@@ -1577,9 +1661,14 @@ s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
 
         e_dbg("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);
 
-        ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, mii_1000t_ctrl_reg);
-        if (ret_val)
-                return ret_val;
+        if (hw->phy_type == e1000_phy_8201) {
+                mii_1000t_ctrl_reg = 0;
+        } else {
+                ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL,
+                                              mii_1000t_ctrl_reg);
+                if (ret_val)
+                        return ret_val;
+        }
 
         return E1000_SUCCESS;
 }
@@ -1860,7 +1949,7 @@ static s32 e1000_config_mac_to_phy(struct e1000_hw *hw)
 
         /* 82544 or newer MAC, Auto Speed Detection takes care of
          * MAC speed/duplex configuration.*/
-        if (hw->mac_type >= e1000_82544)
+        if ((hw->mac_type >= e1000_82544) && (hw->mac_type != e1000_ce4100))
                 return E1000_SUCCESS;
 
         /* Read the Device Control Register and set the bits to Force Speed
@@ -1870,27 +1959,49 @@ static s32 e1000_config_mac_to_phy(struct e1000_hw *hw)
         ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
         ctrl &= ~(E1000_CTRL_SPD_SEL | E1000_CTRL_ILOS);
 
-        /* Set up duplex in the Device Control and Transmit Control
-         * registers depending on negotiated values.
-         */
-        ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
-        if (ret_val)
-                return ret_val;
+        switch (hw->phy_type) {
+        case e1000_phy_8201:
+                ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
+                if (ret_val)
+                        return ret_val;
 
-        if (phy_data & M88E1000_PSSR_DPLX)
-                ctrl |= E1000_CTRL_FD;
-        else
-                ctrl &= ~E1000_CTRL_FD;
+                if (phy_data & RTL_PHY_CTRL_FD)
+                        ctrl |= E1000_CTRL_FD;
+                else
+                        ctrl &= ~E1000_CTRL_FD;
 
-        e1000_config_collision_dist(hw);
+                if (phy_data & RTL_PHY_CTRL_SPD_100)
+                        ctrl |= E1000_CTRL_SPD_100;
+                else
+                        ctrl |= E1000_CTRL_SPD_10;
 
-        /* Set up speed in the Device Control register depending on
-         * negotiated values.
-         */
-        if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS)
-                ctrl |= E1000_CTRL_SPD_1000;
-        else if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_100MBS)
-                ctrl |= E1000_CTRL_SPD_100;
+                e1000_config_collision_dist(hw);
+                break;
+        default:
+                /* Set up duplex in the Device Control and Transmit Control
+                 * registers depending on negotiated values.
+                 */
+                ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
+                                             &phy_data);
+                if (ret_val)
+                        return ret_val;
+
+                if (phy_data & M88E1000_PSSR_DPLX)
+                        ctrl |= E1000_CTRL_FD;
+                else
+                        ctrl &= ~E1000_CTRL_FD;
+
+                e1000_config_collision_dist(hw);
+
+                /* Set up speed in the Device Control register depending on
+                 * negotiated values.
+                 */
+                if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS)
+                        ctrl |= E1000_CTRL_SPD_1000;
+                else if ((phy_data & M88E1000_PSSR_SPEED) ==
+                         M88E1000_PSSR_100MBS)
+                        ctrl |= E1000_CTRL_SPD_100;
+        }
 
         /* Write the configured values back to the Device Control Reg. */
         ew32(CTRL, ctrl);
@@ -2401,7 +2512,8 @@ s32 e1000_check_for_link(struct e1000_hw *hw)
                  * speed/duplex on the MAC to the current PHY speed/duplex
                  * settings.
                  */
-                if (hw->mac_type >= e1000_82544)
+                if ((hw->mac_type >= e1000_82544) &&
+                    (hw->mac_type != e1000_ce4100))
                         e1000_config_collision_dist(hw);
                 else {
                         ret_val = e1000_config_mac_to_phy(hw);
@@ -2738,7 +2850,7 @@ static s32 e1000_read_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
 {
         u32 i;
         u32 mdic = 0;
-        const u32 phy_addr = 1;
+        const u32 phy_addr = (hw->mac_type == e1000_ce4100) ? hw->phy_addr : 1;
 
         e_dbg("e1000_read_phy_reg_ex");
 
@@ -2752,28 +2864,61 @@ static s32 e1000_read_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
                  * Control register.  The MAC will take care of interfacing with the
                  * PHY to retrieve the desired data.
                  */
-                mdic = ((reg_addr << E1000_MDIC_REG_SHIFT) |
-                        (phy_addr << E1000_MDIC_PHY_SHIFT) |
-                        (E1000_MDIC_OP_READ));
+                if (hw->mac_type == e1000_ce4100) {
+                        mdic = ((reg_addr << E1000_MDIC_REG_SHIFT) |
+                                (phy_addr << E1000_MDIC_PHY_SHIFT) |
+                                (INTEL_CE_GBE_MDIC_OP_READ) |
+                                (INTEL_CE_GBE_MDIC_GO));
 
-                ew32(MDIC, mdic);
+                        writel(mdic, E1000_MDIO_CMD);
 
-                /* Poll the ready bit to see if the MDI read completed */
-                for (i = 0; i < 64; i++) {
-                        udelay(50);
-                        mdic = er32(MDIC);
-                        if (mdic & E1000_MDIC_READY)
-                                break;
-                }
-                if (!(mdic & E1000_MDIC_READY)) {
-                        e_dbg("MDI Read did not complete\n");
-                        return -E1000_ERR_PHY;
-                }
-                if (mdic & E1000_MDIC_ERROR) {
-                        e_dbg("MDI Error\n");
-                        return -E1000_ERR_PHY;
+                        /* Poll the ready bit to see if the MDI read
+                         * completed
+                         */
+                        for (i = 0; i < 64; i++) {
+                                udelay(50);
+                                mdic = readl(E1000_MDIO_CMD);
+                                if (!(mdic & INTEL_CE_GBE_MDIC_GO))
+                                        break;
+                        }
+
+                        if (mdic & INTEL_CE_GBE_MDIC_GO) {
+                                e_dbg("MDI Read did not complete\n");
+                                return -E1000_ERR_PHY;
+                        }
+
+                        mdic = readl(E1000_MDIO_STS);
+                        if (mdic & INTEL_CE_GBE_MDIC_READ_ERROR) {
+                                e_dbg("MDI Read Error\n");
+                                return -E1000_ERR_PHY;
+                        }
+                        *phy_data = (u16) mdic;
+                } else {
+                        mdic = ((reg_addr << E1000_MDIC_REG_SHIFT) |
+                                (phy_addr << E1000_MDIC_PHY_SHIFT) |
+                                (E1000_MDIC_OP_READ));
+
+                        ew32(MDIC, mdic);
+
+                        /* Poll the ready bit to see if the MDI read
+                         * completed
+                         */
+                        for (i = 0; i < 64; i++) {
+                                udelay(50);
+                                mdic = er32(MDIC);
+                                if (mdic & E1000_MDIC_READY)
+                                        break;
+                        }
+                        if (!(mdic & E1000_MDIC_READY)) {
+                                e_dbg("MDI Read did not complete\n");
+                                return -E1000_ERR_PHY;
+                        }
+                        if (mdic & E1000_MDIC_ERROR) {
+                                e_dbg("MDI Error\n");
+                                return -E1000_ERR_PHY;
+                        }
+                        *phy_data = (u16) mdic;
                 }
-                *phy_data = (u16) mdic;
         } else {
                 /* We must first send a preamble through the MDIO pin to signal the
                  * beginning of an MII instruction.  This is done by sending 32
@@ -2840,7 +2985,7 @@ static s32 e1000_write_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
 {
         u32 i;
         u32 mdic = 0;
-        const u32 phy_addr = 1;
+        const u32 phy_addr = (hw->mac_type == e1000_ce4100) ? hw->phy_addr : 1;
 
         e_dbg("e1000_write_phy_reg_ex");
 
@@ -2850,27 +2995,54 @@ static s32 e1000_write_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
         }
 
         if (hw->mac_type > e1000_82543) {
-                /* Set up Op-code, Phy Address, register address, and data intended
-                 * for the PHY register in the MDI Control register.  The MAC will take
-                 * care of interfacing with the PHY to send the desired data.
+                /* Set up Op-code, Phy Address, register address, and data
+                 * intended for the PHY register in the MDI Control register.
+                 * The MAC will take care of interfacing with the PHY to send
+                 * the desired data.
                  */
-                mdic = (((u32) phy_data) |
-                        (reg_addr << E1000_MDIC_REG_SHIFT) |
-                        (phy_addr << E1000_MDIC_PHY_SHIFT) |
-                        (E1000_MDIC_OP_WRITE));
+                if (hw->mac_type == e1000_ce4100) {
+                        mdic = (((u32) phy_data) |
+                                (reg_addr << E1000_MDIC_REG_SHIFT) |
+                                (phy_addr << E1000_MDIC_PHY_SHIFT) |
+                                (INTEL_CE_GBE_MDIC_OP_WRITE) |
+                                (INTEL_CE_GBE_MDIC_GO));
 
-                ew32(MDIC, mdic);
+                        writel(mdic, E1000_MDIO_CMD);
 
-                /* Poll the ready bit to see if the MDI read completed */
-                for (i = 0; i < 641; i++) {
-                        udelay(5);
-                        mdic = er32(MDIC);
-                        if (mdic & E1000_MDIC_READY)
-                                break;
-                }
-                if (!(mdic & E1000_MDIC_READY)) {
-                        e_dbg("MDI Write did not complete\n");
-                        return -E1000_ERR_PHY;
+                        /* Poll the ready bit to see if the MDI read
+                         * completed
+                         */
+                        for (i = 0; i < 640; i++) {
+                                udelay(5);
+                                mdic = readl(E1000_MDIO_CMD);
+                                if (!(mdic & INTEL_CE_GBE_MDIC_GO))
+                                        break;
+                        }
+                        if (mdic & INTEL_CE_GBE_MDIC_GO) {
+                                e_dbg("MDI Write did not complete\n");
+                                return -E1000_ERR_PHY;
+                        }
+                } else {
+                        mdic = (((u32) phy_data) |
+                                (reg_addr << E1000_MDIC_REG_SHIFT) |
+                                (phy_addr << E1000_MDIC_PHY_SHIFT) |
+                                (E1000_MDIC_OP_WRITE));
+
+                        ew32(MDIC, mdic);
+
+                        /* Poll the ready bit to see if the MDI read
+                         * completed
+                         */
+                        for (i = 0; i < 641; i++) {
+                                udelay(5);
+                                mdic = er32(MDIC);
+                                if (mdic & E1000_MDIC_READY)
+                                        break;
+                        }
+                        if (!(mdic & E1000_MDIC_READY)) {
+                                e_dbg("MDI Write did not complete\n");
+                                return -E1000_ERR_PHY;
+                        }
                 }
         } else {
                 /* We'll need to use the SW defined pins to shift the write command
@@ -3048,6 +3220,11 @@ static s32 e1000_detect_gig_phy(struct e1000_hw *hw)
                 if (hw->phy_id == M88E1011_I_PHY_ID)
                         match = true;
                 break;
+        case e1000_ce4100:
+                if ((hw->phy_id == RTL8211B_PHY_ID) ||
+                    (hw->phy_id == RTL8201N_PHY_ID))
+                        match = true;
+                break;
         case e1000_82541:
         case e1000_82541_rev_2:
         case e1000_82547:
@@ -3291,6 +3468,9 @@ s32 e1000_phy_get_info(struct e1000_hw *hw, struct e1000_phy_info *phy_info)
 
         if (hw->phy_type == e1000_phy_igp)
                 return e1000_phy_igp_get_info(hw, phy_info);
+        else if ((hw->phy_type == e1000_phy_8211) ||
+                 (hw->phy_type == e1000_phy_8201))
+                return E1000_SUCCESS;
         else
                 return e1000_phy_m88_get_info(hw, phy_info);
 }
@@ -3742,6 +3922,12 @@ static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
 
         e_dbg("e1000_read_eeprom");
 
+        if (hw->mac_type == e1000_ce4100) {
+                GBE_CONFIG_FLASH_READ(GBE_CONFIG_BASE_VIRT, offset, words,
+                                      data);
+                return E1000_SUCCESS;
+        }
+
         /* If eeprom is not yet detected, do so now */
         if (eeprom->word_size == 0)
                 e1000_init_eeprom_params(hw);
@@ -3904,6 +4090,12 @@ static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
 
         e_dbg("e1000_write_eeprom");
 
+        if (hw->mac_type == e1000_ce4100) {
+                GBE_CONFIG_FLASH_WRITE(GBE_CONFIG_BASE_VIRT, offset, words,
+                                       data);
+                return E1000_SUCCESS;
+        }
+
         /* If eeprom is not yet detected, do so now */
         if (eeprom->word_size == 0)
                 e1000_init_eeprom_params(hw);