1 files changed, 124 insertions, 7 deletions

diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index f0574073a2a3..32a8503a7acd 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -58,9 +58,25 @@
 #define MII_M1111_RX_DELAY              0x80
 #define MII_M1111_TX_DELAY              0x2
 #define MII_M1111_PHY_EXT_SR            0x1b
-#define MII_M1111_HWCFG_MODE_MASK       0xf
-#define MII_M1111_HWCFG_MODE_RGMII      0xb
+
+#define MII_M1111_HWCFG_MODE_MASK               0xf
+#define MII_M1111_HWCFG_MODE_COPPER_RGMII       0xb
+#define MII_M1111_HWCFG_MODE_FIBER_RGMII        0x3
 #define MII_M1111_HWCFG_MODE_SGMII_NO_CLK       0x4
+#define MII_M1111_HWCFG_FIBER_COPPER_AUTO       0x8000
+#define MII_M1111_HWCFG_FIBER_COPPER_RES        0x2000
+
+#define MII_M1111_COPPER                0
+#define MII_M1111_FIBER                 1
+
+#define MII_M1011_PHY_STATUS            0x11
+#define MII_M1011_PHY_STATUS_1000       0x8000
+#define MII_M1011_PHY_STATUS_100        0x4000
+#define MII_M1011_PHY_STATUS_SPD_MASK   0xc000
+#define MII_M1011_PHY_STATUS_FULLDUPLEX 0x2000
+#define MII_M1011_PHY_STATUS_RESOLVED   0x0800
+#define MII_M1011_PHY_STATUS_LINK       0x0400
+
 
 MODULE_DESCRIPTION("Marvell PHY driver");
 MODULE_AUTHOR("Andy Fleming");
@@ -141,12 +157,22 @@ static int marvell_config_aneg(struct phy_device *phydev)
 static int m88e1111_config_init(struct phy_device *phydev)
 {
         int err;
+        int temp;
+        int mode;
+
+        /* Enable Fiber/Copper auto selection */
+        temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
+        temp |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
+        phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
+
+        temp = phy_read(phydev, MII_BMCR);
+        temp |= BMCR_RESET;
+        phy_write(phydev, MII_BMCR, temp);
 
         if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
             (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) ||
             (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
             (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) {
-                int temp;
 
                 temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
                 if (temp < 0)
@@ -171,7 +197,13 @@ static int m88e1111_config_init(struct phy_device *phydev)
                         return temp;
 
                 temp &= ~(MII_M1111_HWCFG_MODE_MASK);
-                temp |= MII_M1111_HWCFG_MODE_RGMII;
+
+                mode = phy_read(phydev, MII_M1111_PHY_EXT_CR);
+
+                if (mode & MII_M1111_HWCFG_FIBER_COPPER_RES)
+                        temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
+                else
+                        temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
 
                 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
                 if (err < 0)
@@ -179,8 +211,6 @@ static int m88e1111_config_init(struct phy_device *phydev)
         }
 
         if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
-                int temp;
-
                 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
                 if (temp < 0)
                         return temp;
@@ -262,6 +292,93 @@ static int m88e1145_config_init(struct phy_device *phydev)
         return 0;
 }
 
+/* marvell_read_status
+ *
+ * Generic status code does not detect Fiber correctly!
+ * Description:
+ *   Check the link, then figure out the current state
+ *   by comparing what we advertise with what the link partner
+ *   advertises.  Start by checking the gigabit possibilities,
+ *   then move on to 10/100.
+ */
+static int marvell_read_status(struct phy_device *phydev)
+{
+        int adv;
+        int err;
+        int lpa;
+        int status = 0;
+
+        /* Update the link, but return if there
+         * was an error */
+        err = genphy_update_link(phydev);
+        if (err)
+                return err;
+
+        if (AUTONEG_ENABLE == phydev->autoneg) {
+                status = phy_read(phydev, MII_M1011_PHY_STATUS);
+                if (status < 0)
+                        return status;
+
+                lpa = phy_read(phydev, MII_LPA);
+                if (lpa < 0)
+                        return lpa;
+
+                adv = phy_read(phydev, MII_ADVERTISE);
+                if (adv < 0)
+                        return adv;
+
+                lpa &= adv;
+
+                if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
+                        phydev->duplex = DUPLEX_FULL;
+                else
+                        phydev->duplex = DUPLEX_HALF;
+
+                status = status & MII_M1011_PHY_STATUS_SPD_MASK;
+                phydev->pause = phydev->asym_pause = 0;
+
+                switch (status) {
+                case MII_M1011_PHY_STATUS_1000:
+                        phydev->speed = SPEED_1000;
+                        break;
+
+                case MII_M1011_PHY_STATUS_100:
+                        phydev->speed = SPEED_100;
+                        break;
+
+                default:
+                        phydev->speed = SPEED_10;
+                        break;
+                }
+
+                if (phydev->duplex == DUPLEX_FULL) {
+                        phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
+                        phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
+                }
+        } else {
+                int bmcr = phy_read(phydev, MII_BMCR);
+
+                if (bmcr < 0)
+                        return bmcr;
+
+                if (bmcr & BMCR_FULLDPLX)
+                        phydev->duplex = DUPLEX_FULL;
+                else
+                        phydev->duplex = DUPLEX_HALF;
+
+                if (bmcr & BMCR_SPEED1000)
+                        phydev->speed = SPEED_1000;
+                else if (bmcr & BMCR_SPEED100)
+                        phydev->speed = SPEED_100;
+                else
+                        phydev->speed = SPEED_10;
+
+                phydev->pause = phydev->asym_pause = 0;
+        }
+
+        return 0;
+}
+
 static struct phy_driver marvell_drivers[] = {
         {
                 .phy_id = 0x01410c60,
@@ -296,7 +413,7 @@ static struct phy_driver marvell_drivers[] = {
                 .flags = PHY_HAS_INTERRUPT,
                 .config_init = &m88e1111_config_init,
                 .config_aneg = &marvell_config_aneg,
-                .read_status = &genphy_read_status,
+                .read_status = &marvell_read_status,
                 .ack_interrupt = &marvell_ack_interrupt,
                 .config_intr = &marvell_config_intr,
                 .driver = { .owner = THIS_MODULE },