From 07151bc9f7f53731b355b704141ffaccc8d08752 Mon Sep 17 00:00:00 2001 From: Madalin Bucur Date: Fri, 7 Aug 2015 17:07:50 +0800 Subject: [PATCH] net: phy: select copper mode when Marvel 88e1111 in SGMII For the Marvel 88e1111 PHY only two SGMII modes are available, both allowing only SGMII to copper mode (with or without clock). SGMII to fiber mode is not supported. Make sure the fiber/copper registers selector bits are cleared for selecting copper mode. Signed-off-by: Madalin Bucur Signed-off-by: Shaohui Xie Signed-off-by: David S. Miller --- drivers/net/phy/marvell.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 3320a179ee36..e6897b6a8a53 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -52,6 +52,7 @@ #define MII_M1011_PHY_SCR_MDI_X 0x0020 #define MII_M1011_PHY_SCR_AUTO_CROSS 0x0060 +#define MII_M1145_PHY_EXT_ADDR_PAGE 0x16 #define MII_M1145_PHY_EXT_SR 0x1b #define MII_M1145_PHY_EXT_CR 0x14 #define MII_M1145_RGMII_RX_DELAY 0x0080 @@ -552,6 +553,16 @@ static int m88e1111_config_init(struct phy_device *phydev) err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp); if (err < 0) return err; + + /* make sure copper is selected */ + err = phy_read(phydev, MII_M1145_PHY_EXT_ADDR_PAGE); + if (err < 0) + return err; + + err = phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE, + err & (~0xff)); + if (err < 0) + return err; } if (phydev->interface == PHY_INTERFACE_MODE_RTBI) { -- 2.20.1