phylib: m88e1111: enable SGMII mode
If connected via SGMII, initialize with SGMII mode configured.
Signed-off-by: Kapil Juneja <Kapil.Juneja@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index b87f8d2..fbe1104 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -60,6 +60,7 @@
#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_SGMII_NO_CLK 0x4
MODULE_DESCRIPTION("Marvell PHY driver");
MODULE_AUTHOR("Andy Fleming");
@@ -169,6 +170,21 @@
return err;
}
+ 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;
+
+ 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;