[PATCH 5/5] phylib: m88e1111: enable SGMII mode
From: Kim Phillips <hidden>
Date: 2007-05-11 23:25:25
Subsystem:
ethernet phy library, networking drivers, the rest · Maintainers:
Andrew Lunn, Heiner Kallweit, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Kapil Juneja <redacted> If connected via SGMII, initialize with SGMII mode configured. Signed-off-by: Kapil Juneja <redacted> Signed-off-by: Andy Fleming <redacted> Signed-off-by: Kim Phillips <redacted> --- drivers/net/phy/marvell.c | 16 ++++++++++++++++ 1 files changed, 16 insertions(+), 0 deletions(-)
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 @@ 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;
--
1.5.0.3