netdev - [PATCH 4/4] phy: add RTBI mode for m88e1111

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Message-Id: <1263456799-3306-4-git-send-email-yu.liu@freescale.com>
Date:	Thu, 14 Jan 2010 16:13:19 +0800
From:	Liu Yu <yu.liu@...escale.com>
To:	galak@...nel.crashing.org, davem@...emloft.net
Cc:	linuxppc-dev@...ts.ozlabs.org, netdev@...r.kernel.org,
	Liu Yu <yu.liu@...escale.com>
Subject: [PATCH 4/4] phy: add RTBI mode for m88e1111

Signed-off-by: Liu Yu <yu.liu@...escale.com>
---
 drivers/net/phy/marvell.c |   38 ++++++++++++++++++++++++++++++++++++++
 1 files changed, 38 insertions(+), 0 deletions(-)

diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index 6f69b9b..65ed385 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -63,6 +63,7 @@
 #define MII_M1111_HWCFG_MODE_COPPER_RGMII	0xb
 #define MII_M1111_HWCFG_MODE_FIBER_RGMII	0x3
 #define MII_M1111_HWCFG_MODE_SGMII_NO_CLK	0x4
+#define MII_M1111_HWCFG_MODE_COPPER_RTBI	0x9
 #define MII_M1111_HWCFG_FIBER_COPPER_AUTO	0x8000
 #define MII_M1111_HWCFG_FIBER_COPPER_RES	0x2000
 
@@ -269,6 +270,43 @@ static int m88e1111_config_init(struct phy_device *phydev)
 			return err;
 	}
 
+	if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
+		temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
+		if (temp < 0)
+			return temp;
+		temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
+		err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
+		if (err < 0)
+			return err;
+
+		temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
+		if (temp < 0)
+			return temp;
+		temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
+		temp |= 0x7 | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
+		err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
+		if (err < 0)
+			return err;
+
+		/* soft reset */
+		err = phy_write(phydev, MII_BMCR, BMCR_RESET);
+		if (err < 0)
+			return err;
+		do
+			temp = phy_read(phydev, MII_BMCR);
+		while (temp & BMCR_RESET);
+
+		temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
+		if (temp < 0)
+			return temp;
+		temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
+		temp |= MII_M1111_HWCFG_MODE_COPPER_RTBI | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
+		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;
-- 
1.6.4

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