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Commit 4117b5be authored by Kapil Juneja's avatar Kapil Juneja Committed by Jeff Garzik
Browse files

phylib: m88e1111: enable SGMII mode 



If connected via SGMII, initialize with SGMII mode configured.

Signed-off-by: default avatarKapil Juneja <Kapil.Juneja@freescale.com>
Signed-off-by: default avatarAndy Fleming <afleming@freescale.com>
Signed-off-by: default avatarKim Phillips <kim.phillips@freescale.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent d3c12873

drivers/net/phy/marvell.c

+16 −0
Original line number Diff line number Diff line
@@ -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;