2d02a4f5bd
Refresh patches. Adapt 704-phy-no-genphy-soft-reset.patch. Remove brcm2708/950-0005-mm-Remove-the-PFN-busy-warning.patch. Compile-tested on brcm2708/bcm2708 and x86/64. Runtime-tested on brcm2708/bcm2708 and x86/64. Fixes the following vulnerabilities: - CVE-2017-7533 - CVE-2017-1000111 - CVE-2017-1000112 Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
55 lines
1.5 KiB
Diff
55 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
|
|
|
|
@@ -295,6 +299,27 @@ 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)
|