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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>
This commit is contained in:
Kapil Juneja 2007-05-11 18:25:18 -05:00 committed by Jeff Garzik
parent d3c12873c3
commit 4117b5be4b
1 changed files with 16 additions and 0 deletions
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16
drivers/net/phy/marvell.c
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@ -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;