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| author | Felix Fietkau <nbd@openwrt.org> | 2016-01-03 23:13:16 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2016-01-03 23:13:16 +0000 |
| commit | e14d2aee0ab91c43d0bb14baf84cc9b997185870 (patch) | |
| tree | ef8927eca5d977e009311b583558608890555bd6 /target/linux/generic/patches-3.18 | |
| parent | 54b4265873979517458cec08e346f2247a2ea467 (diff) | |
| download | master-31e0f0ae-e14d2aee0ab91c43d0bb14baf84cc9b997185870.tar.gz master-31e0f0ae-e14d2aee0ab91c43d0bb14baf84cc9b997185870.tar.bz2 master-31e0f0ae-e14d2aee0ab91c43d0bb14baf84cc9b997185870.zip | |
kernel: add at803x fix for sgmii mode
Some (possibly broken) bootloaders incorreclty initialize at8033
phy. This patch enables sgmii autonegotiation mode.
Signed-off-by: Roman Yeryomin <roman@advem.lv>
SVN-Revision: 48109
Diffstat (limited to 'target/linux/generic/patches-3.18')
| -rw-r--r-- | target/linux/generic/patches-3.18/735-net-phy-at803x-fix-at8033-sgmii-mode.patch | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.18/735-net-phy-at803x-fix-at8033-sgmii-mode.patch b/target/linux/generic/patches-3.18/735-net-phy-at803x-fix-at8033-sgmii-mode.patch new file mode 100644 index 0000000000..117f15d634 --- /dev/null +++ b/target/linux/generic/patches-3.18/735-net-phy-at803x-fix-at8033-sgmii-mode.patch @@ -0,0 +1,96 @@ +--- a/drivers/net/phy/at803x.c ++++ b/drivers/net/phy/at803x.c +@@ -36,6 +36,9 @@ + #define AT803X_INER 0x0012 + #define AT803X_INER_INIT 0xec00 + #define AT803X_INSR 0x0013 ++#define AT803X_REG_CHIP_CONFIG 0x1f ++#define AT803X_BT_BX_REG_SEL 0x8000 ++#define AT803X_SGMII_ANEG_EN 0x1000 + + #define AT803X_PCS_SMART_EEE_CTRL3 0x805D + #define AT803X_SMART_EEE_CTRL3_LPI_TX_DELAY_SEL_MASK 0x3 +@@ -49,9 +52,10 @@ + #define AT803X_DEBUG_SYSTEM_MODE_CTRL 0x05 + #define AT803X_DEBUG_RGMII_TX_CLK_DLY BIT(8) + +-#define ATH8030_PHY_ID 0x004dd076 +-#define ATH8031_PHY_ID 0x004dd074 +-#define ATH8035_PHY_ID 0x004dd072 ++#define AT803X_PHY_ID_MASK 0xffffffef ++#define ATH8030_PHY_ID 0x004dd076 ++#define ATH8031_PHY_ID 0x004dd074 ++#define ATH8035_PHY_ID 0x004dd072 + + MODULE_DESCRIPTION("Atheros 803x PHY driver"); + MODULE_AUTHOR("Matus Ujhelyi"); +@@ -268,6 +272,27 @@ static int at803x_config_init(struct phy + { + struct at803x_platform_data *pdata; + int ret; ++ u32 v; ++ ++ if (phydev->drv->phy_id == ATH8031_PHY_ID && ++ phydev->interface == PHY_INTERFACE_MODE_SGMII) ++ { ++ v = phy_read(phydev, AT803X_REG_CHIP_CONFIG); ++ /* select SGMII/fiber page */ ++ ret = phy_write(phydev, AT803X_REG_CHIP_CONFIG, ++ v & ~AT803X_BT_BX_REG_SEL); ++ if (ret) ++ return ret; ++ /* enable SGMII autonegotiation */ ++ ret = phy_write(phydev, MII_BMCR, AT803X_SGMII_ANEG_EN); ++ if (ret) ++ return ret; ++ /* select copper page */ ++ ret = phy_write(phydev, AT803X_REG_CHIP_CONFIG, ++ v | AT803X_BT_BX_REG_SEL); ++ if (ret) ++ return ret; ++ } + + ret = genphy_config_init(phydev); + if (ret < 0) +@@ -394,7 +419,7 @@ static struct phy_driver at803x_driver[] + /* ATHEROS 8035 */ + .phy_id = ATH8035_PHY_ID, + .name = "Atheros 8035 ethernet", +- .phy_id_mask = 0xffffffef, ++ .phy_id_mask = AT803X_PHY_ID_MASK, + .probe = at803x_probe, + .config_init = at803x_config_init, + .link_change_notify = at803x_link_change_notify, +@@ -413,7 +438,7 @@ static struct phy_driver at803x_driver[] + /* ATHEROS 8030 */ + .phy_id = ATH8030_PHY_ID, + .name = "Atheros 8030 ethernet", +- .phy_id_mask = 0xffffffef, ++ .phy_id_mask = AT803X_PHY_ID_MASK, + .probe = at803x_probe, + .config_init = at803x_config_init, + .link_change_notify = at803x_link_change_notify, +@@ -431,8 +456,8 @@ static struct phy_driver at803x_driver[] + }, { + /* ATHEROS 8031 */ + .phy_id = ATH8031_PHY_ID, +- .name = "Atheros 8031 ethernet", +- .phy_id_mask = 0xffffffef, ++ .name = "Atheros 8031/8033 ethernet", ++ .phy_id_mask = AT803X_PHY_ID_MASK, + .probe = at803x_probe, + .config_init = at803x_config_init, + .link_change_notify = at803x_link_change_notify, +@@ -454,9 +479,9 @@ static struct phy_driver at803x_driver[] + module_phy_driver(at803x_driver); + + static struct mdio_device_id __maybe_unused atheros_tbl[] = { +- { ATH8030_PHY_ID, 0xffffffef }, +- { ATH8031_PHY_ID, 0xffffffef }, +- { ATH8035_PHY_ID, 0xffffffef }, ++ { ATH8030_PHY_ID, AT803X_PHY_ID_MASK }, ++ { ATH8031_PHY_ID, AT803X_PHY_ID_MASK }, ++ { ATH8035_PHY_ID, AT803X_PHY_ID_MASK }, + { } + }; + |