[PATCH 4/4] phy: add RTBI mode for m88e1111

[Liu Yu]

Signed-off-by: Liu Yu <yu....@freescale.com>
---
 drivers/net/phy/marvell.c |   38 ++++++++++++++++++++++++++++++++++++++
 1 files changed, 38 insertions(+), 0 deletions(-)

diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index 6f69b9b..65ed385 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;
-- 
1.6.4

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