From: Kapil Juneja <Kapil.Juneja@freescale.com>
Date: Fri, 11 May 2007 23:25:18 +0000 (-0500)
Subject: phylib: m88e1111: enable SGMII mode
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=4117b5be4b877cec7c34058f0c239fcf78274e3d;p=linux-beck.git

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 b87f8d2a888b..fbe1104e9a07 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;