diff options
| author | Hauke Mehrtens <hauke@hauke-m.de> | 2020-02-23 13:20:11 +0100 |
|---|---|---|
| committer | Koen Vandeputte <koen.vandeputte@ncentric.com> | 2020-02-28 17:50:45 +0100 |
| commit | c16517d26de30c90dabce1e456615fd7fbdce07c (patch) | |
| tree | e7371ee12a3c413a064885b634ee4c975ad7f96a /target/linux/generic/pending-5.4/735-net-phy-at803x-fix-at8033-sgmii-mode.patch | |
| parent | 955634b473284847e3c8281a6ac85655329d8b06 (diff) | |
| download | upstream-c16517d26de30c90dabce1e456615fd7fbdce07c.tar.gz upstream-c16517d26de30c90dabce1e456615fd7fbdce07c.tar.bz2 upstream-c16517d26de30c90dabce1e456615fd7fbdce07c.zip | |
kernel: copy kernel 4.19 code to 5.4
No changes were done to the patches while coping them. Currently they do
not apply on top of kernel 5.4.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Diffstat (limited to 'target/linux/generic/pending-5.4/735-net-phy-at803x-fix-at8033-sgmii-mode.patch')
| -rw-r--r-- | target/linux/generic/pending-5.4/735-net-phy-at803x-fix-at8033-sgmii-mode.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.4/735-net-phy-at803x-fix-at8033-sgmii-mode.patch b/target/linux/generic/pending-5.4/735-net-phy-at803x-fix-at8033-sgmii-mode.patch new file mode 100644 index 0000000000..5c00b8781f --- /dev/null +++ b/target/linux/generic/pending-5.4/735-net-phy-at803x-fix-at8033-sgmii-mode.patch @@ -0,0 +1,51 @@ +From: Roman Yeryomin <roman@advem.lv> +Subject: kernel: add at803x fix for sgmii mode + +Some (possibly broken) bootloaders incorreclty initialize at8033 +phy. This patch enables sgmii autonegotiation mode. + +[john@phrozen.org: felix added this to his upstream queue] + +Signed-off-by: Roman Yeryomin <roman@advem.lv> +--- + drivers/net/phy/at803x.c | 25 +++++++++++++++++++++++++ + 1 file changed, 25 insertions(+) + +--- a/drivers/net/phy/at803x.c ++++ b/drivers/net/phy/at803x.c +@@ -44,6 +44,7 @@ + #define AT803X_FUNC_DATA 0x4003 + #define AT803X_REG_CHIP_CONFIG 0x1f + #define AT803X_BT_BX_REG_SEL 0x8000 ++#define AT803X_SGMII_ANEG_EN 0x1000 + + #define AT803X_DEBUG_ADDR 0x1D + #define AT803X_DEBUG_DATA 0x1E +@@ -252,6 +253,27 @@ static int at803x_probe(struct phy_devic + static int at803x_config_init(struct phy_device *phydev) + { + 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) |