diff options
| author | Viet Nga Dao <vndao@altera.com> | 2014-10-23 19:41:53 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-10-28 14:49:32 -0400 |
| commit | b02241755d0edc67204d475e746750bc754ead4f (patch) | |
| tree | 3210c8224ebcb733a2a5bba9770e4b0a13d44787 /drivers/net/phy/marvell.c | |
| parent | 62b9c8d0372d11a5e048c6b56997374901e0445b (diff) | |
| download | linux-b02241755d0edc67204d475e746750bc754ead4f.tar.bz2 | |
net: phy: Adding SGMII support for Marvell 88ee1145 driver
Additional code to m88e1145_config_init function to allow the driver to
support SGMII mode.
Signed-off-by: Viet Nga Dao <vndao@altera.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/phy/marvell.c')
| -rw-r--r-- | drivers/net/phy/marvell.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index d2b2f2f795d5..3e3d7cadeb27 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -50,9 +50,13 @@ #define MII_M1011_PHY_SCR 0x10 #define MII_M1011_PHY_SCR_AUTO_CROSS 0x0060 +#define MII_M1145_PHY_EXT_SR 0x1b #define MII_M1145_PHY_EXT_CR 0x14 #define MII_M1145_RGMII_RX_DELAY 0x0080 #define MII_M1145_RGMII_TX_DELAY 0x0002 +#define MII_M1145_HWCFG_MODE_SGMII_NO_CLK 0x4 +#define MII_M1145_HWCFG_MODE_MASK 0xf +#define MII_M1145_HWCFG_FIBER_COPPER_AUTO 0x8000 #define MII_M1111_PHY_LED_CONTROL 0x18 #define MII_M1111_PHY_LED_DIRECT 0x4100 @@ -642,6 +646,7 @@ static int m88e1149_config_init(struct phy_device *phydev) static int m88e1145_config_init(struct phy_device *phydev) { int err; + int temp; /* Take care of errata E0 & E1 */ err = phy_write(phydev, 0x1d, 0x001b); @@ -698,6 +703,20 @@ static int m88e1145_config_init(struct phy_device *phydev) } } + if (phydev->interface == PHY_INTERFACE_MODE_SGMII) { + temp = phy_read(phydev, MII_M1145_PHY_EXT_SR); + if (temp < 0) + return temp; + + temp &= ~(MII_M1145_HWCFG_MODE_MASK); + temp |= MII_M1145_HWCFG_MODE_SGMII_NO_CLK; + temp |= MII_M1145_HWCFG_FIBER_COPPER_AUTO; + + err = phy_write(phydev, MII_M1145_PHY_EXT_SR, temp); + if (err < 0) + return err; + } + err = marvell_of_reg_init(phydev); if (err < 0) return err; |