From 4117b5be4b877cec7c34058f0c239fcf78274e3d Mon Sep 17 00:00:00 2001 From: Kapil Juneja Date: Fri, 11 May 2007 18:25:18 -0500 Subject: [PATCH] phylib: m88e1111: enable SGMII mode If connected via SGMII, initialize with SGMII mode configured. Signed-off-by: Kapil Juneja Signed-off-by: Andy Fleming Signed-off-by: Kim Phillips Signed-off-by: Jeff Garzik --- drivers/net/phy/marvell.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index b87f8d2a88..fbe1104e9a 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 @@ static int m88e1111_config_init(struct phy_device *phydev) 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; -- 2.39.5