tg3 / broadcom: Optionally disable TXC if no link
[linux-2.6.git] / drivers / net / phy / marvell.c
index f057407..6f69b9b 100644 (file)
 #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_88E1121_PHY_LED_CTRL       16
+#define MII_88E1121_PHY_LED_PAGE       3
+#define MII_88E1121_PHY_LED_DEF                0x0030
+#define MII_88E1121_PHY_PAGE           22
+
+#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");
@@ -134,6 +155,49 @@ static int marvell_config_aneg(struct phy_device *phydev)
                return err;
 
        err = genphy_config_aneg(phydev);
+       if (err < 0)
+               return err;
+
+       if (phydev->autoneg != AUTONEG_ENABLE) {
+               int bmcr;
+
+               /*
+                * A write to speed/duplex bits (that is performed by
+                * genphy_config_aneg() call above) must be followed by
+                * a software reset. Otherwise, the write has no effect.
+                */
+               bmcr = phy_read(phydev, MII_BMCR);
+               if (bmcr < 0)
+                       return bmcr;
+
+               err = phy_write(phydev, MII_BMCR, bmcr | BMCR_RESET);
+               if (err < 0)
+                       return err;
+       }
+
+       return 0;
+}
+
+static int m88e1121_config_aneg(struct phy_device *phydev)
+{
+       int err, temp;
+
+       err = phy_write(phydev, MII_BMCR, BMCR_RESET);
+       if (err < 0)
+               return err;
+
+       err = phy_write(phydev, MII_M1011_PHY_SCR,
+                       MII_M1011_PHY_SCR_AUTO_CROSS);
+       if (err < 0)
+               return err;
+
+       temp = phy_read(phydev, MII_88E1121_PHY_PAGE);
+
+       phy_write(phydev, MII_88E1121_PHY_PAGE, MII_88E1121_PHY_LED_PAGE);
+       phy_write(phydev, MII_88E1121_PHY_LED_CTRL, MII_88E1121_PHY_LED_DEF);
+       phy_write(phydev, MII_88E1121_PHY_PAGE, temp);
+
+       err = genphy_config_aneg(phydev);
 
        return err;
 }
@@ -141,12 +205,21 @@ static int marvell_config_aneg(struct phy_device *phydev)
 static int m88e1111_config_init(struct phy_device *phydev)
 {
        int err;
+       int temp;
+
+       /* 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 +244,11 @@ static int m88e1111_config_init(struct phy_device *phydev)
                        return temp;
 
                temp &= ~(MII_M1111_HWCFG_MODE_MASK);
-               temp |= MII_M1111_HWCFG_MODE_RGMII;
+
+               if (temp & 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)
@@ -179,14 +256,13 @@ 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;
 
                temp &= ~(MII_M1111_HWCFG_MODE_MASK);
                temp |= MII_M1111_HWCFG_MODE_SGMII_NO_CLK;
+               temp |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
 
                err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
                if (err < 0)
@@ -200,6 +276,59 @@ static int m88e1111_config_init(struct phy_device *phydev)
        return 0;
 }
 
+static int m88e1118_config_aneg(struct phy_device *phydev)
+{
+       int err;
+
+       err = phy_write(phydev, MII_BMCR, BMCR_RESET);
+       if (err < 0)
+               return err;
+
+       err = phy_write(phydev, MII_M1011_PHY_SCR,
+                       MII_M1011_PHY_SCR_AUTO_CROSS);
+       if (err < 0)
+               return err;
+
+       err = genphy_config_aneg(phydev);
+       return 0;
+}
+
+static int m88e1118_config_init(struct phy_device *phydev)
+{
+       int err;
+
+       /* Change address */
+       err = phy_write(phydev, 0x16, 0x0002);
+       if (err < 0)
+               return err;
+
+       /* Enable 1000 Mbit */
+       err = phy_write(phydev, 0x15, 0x1070);
+       if (err < 0)
+               return err;
+
+       /* Change address */
+       err = phy_write(phydev, 0x16, 0x0003);
+       if (err < 0)
+               return err;
+
+       /* Adjust LED Control */
+       err = phy_write(phydev, 0x10, 0x021e);
+       if (err < 0)
+               return err;
+
+       /* Reset address */
+       err = phy_write(phydev, 0x16, 0x0);
+       if (err < 0)
+               return err;
+
+       err = phy_write(phydev, MII_BMCR, BMCR_RESET);
+       if (err < 0)
+               return err;
+
+       return 0;
+}
+
 static int m88e1145_config_init(struct phy_device *phydev)
 {
        int err;
@@ -262,6 +391,105 @@ 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 int m88e1121_did_interrupt(struct phy_device *phydev)
+{
+       int imask;
+
+       imask = phy_read(phydev, MII_M1011_IEVENT);
+
+       if (imask & MII_M1011_IMASK_INIT)
+               return 1;
+
+       return 0;
+}
+
 static struct phy_driver marvell_drivers[] = {
        {
                .phy_id = 0x01410c60,
@@ -296,9 +524,35 @@ static struct phy_driver marvell_drivers[] = {
                .flags = PHY_HAS_INTERRUPT,
                .config_init = &m88e1111_config_init,
                .config_aneg = &marvell_config_aneg,
+               .read_status = &marvell_read_status,
+               .ack_interrupt = &marvell_ack_interrupt,
+               .config_intr = &marvell_config_intr,
+               .driver = { .owner = THIS_MODULE },
+       },
+       {
+               .phy_id = 0x01410e10,
+               .phy_id_mask = 0xfffffff0,
+               .name = "Marvell 88E1118",
+               .features = PHY_GBIT_FEATURES,
+               .flags = PHY_HAS_INTERRUPT,
+               .config_init = &m88e1118_config_init,
+               .config_aneg = &m88e1118_config_aneg,
                .read_status = &genphy_read_status,
                .ack_interrupt = &marvell_ack_interrupt,
                .config_intr = &marvell_config_intr,
+               .driver = {.owner = THIS_MODULE,},
+       },
+       {
+               .phy_id = 0x01410cb0,
+               .phy_id_mask = 0xfffffff0,
+               .name = "Marvell 88E1121R",
+               .features = PHY_GBIT_FEATURES,
+               .flags = PHY_HAS_INTERRUPT,
+               .config_aneg = &m88e1121_config_aneg,
+               .read_status = &marvell_read_status,
+               .ack_interrupt = &marvell_ack_interrupt,
+               .config_intr = &marvell_config_intr,
+               .did_interrupt = &m88e1121_did_interrupt,
                .driver = { .owner = THIS_MODULE },
        },
        {