openwrtv3/target/linux/generic/pending-4.9/735-net-phy-at803x-fix-at8033-sgmii-mode.patch
Kevin Darbyshire-Bryant 7dca1bae82 kernel: bump to 4.9.105
Refresh patches.

Drop patches that have been upstreamed:
target/linux/ar71xx/patches-4.9/106-01-MIPS-ath79-fix-AR724X_PLL_REG_PCIE_CONFIG-offset.patch
target/linux/generic/backport-4.9/095-v4.12-ipv6-Need-to-export-ipv6_push_frag_opts-for-tunnelin.patch
target/linux/generic/pending-4.9/180-net-phy-at803x-add-support-for-AT8032.patch
target/linux/generic/pending-4.9/181-net-usb-add-lte-modem-wistron-neweb-d18q1.patch
target/linux/generic/pending-4.9/182-net-qmi_wwan-add-BroadMobi-BM806U-2020-2033.patch

Compile & run tested: ar71xx Archer C7 v2

Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
2018-06-01 08:25:14 +02:00

54 lines
1.5 KiB
Diff

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
@@ -55,6 +55,10 @@
#define AT803X_DEBUG_ADDR 0x1D
#define AT803X_DEBUG_DATA 0x1E
+#define AT803X_REG_CHIP_CONFIG 0x1f
+#define AT803X_BT_BX_REG_SEL 0x8000
+#define AT803X_SGMII_ANEG_EN 0x1000
+
#define AT803X_MODE_CFG_MASK 0x0F
#define AT803X_MODE_CFG_SGMII 0x01
@@ -293,6 +297,27 @@ 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)