phy: add RTBI mode for m88e1111

Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 38 insertions, 0 deletions

diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index 6f69b9ba0df8..65ed385c2ceb 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -63,6 +63,7 @@
 #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_MODE_COPPER_RTBI        0x9
 #define MII_M1111_HWCFG_FIBER_COPPER_AUTO       0x8000
 #define MII_M1111_HWCFG_FIBER_COPPER_RES        0x2000
 
@@ -269,6 +270,43 @@ static int m88e1111_config_init(struct phy_device *phydev)
                         return err;
         }
 
+        if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
+                temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
+                if (temp < 0)
+                        return temp;
+                temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
+                err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
+                if (err < 0)
+                        return err;
+
+                temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
+                if (temp < 0)
+                        return temp;
+                temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
+                temp |= 0x7 | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
+                err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
+                if (err < 0)
+                        return err;
+
+                /* soft reset */
+                err = phy_write(phydev, MII_BMCR, BMCR_RESET);
+                if (err < 0)
+                        return err;
+                do
+                        temp = phy_read(phydev, MII_BMCR);
+                while (temp & BMCR_RESET);
+
+                temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
+                if (temp < 0)
+                        return temp;
+                temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
+                temp |= MII_M1111_HWCFG_MODE_COPPER_RTBI | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
+                err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
+                if (err < 0)
+                        return err;
+        }
+
+
         err = phy_write(phydev, MII_BMCR, BMCR_RESET);
         if (err < 0)
                 return err;