If System interface protocol is USXGMII then enable USXGMII autoneg
Signed-off-by: Valentin Catalin Neacsu <valentin-catalin.nea...@nxp.com>
---
drivers/net/phy/aquantia.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/net/phy/aquantia.c b/drivers/net/phy/aquantia.c
index 6678147545..57eede14ce 100644
--- a/drivers/net/phy/aquantia.c
+++ b/drivers/net/phy/aquantia.c
@@ -20,6 +20,13 @@
#define AQUNTIA_SPEED_LSB_MASK 0x2000
#define AQUNTIA_SPEED_MSB_MASK 0x40
+#define AQUANTIA_SYSTEM_INTERFACE_SR 0xe812
+#define AQUANTIA_VENDOR_PROVISIONING_REG 0xC441
+
+#define AQUANTIA_USX_AUTONEG_CONTROL_ENA 0x0008
+#define AQUANTIA_SI_IN_USE_MASK 0x0078
+#define AQUANTIA_SI_USXGMII 0x0018
+
int aquantia_config(struct phy_device *phydev)
{
u32 val = phy_read(phydev, MDIO_MMD_PMAPMD, MII_BMCR);
@@ -41,6 +48,16 @@ int aquantia_config(struct phy_device *phydev)
phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR,
AQUNTIA_SPEED_LSB_MASK |
AQUNTIA_SPEED_MSB_MASK);
+
+ val = phy_read(phydev, MDIO_MMD_PHYXS,
+ AQUANTIA_SYSTEM_INTERFACE_SR);
+ /* If SI is USXGMII then start USXGMII autoneg*/
+ if ((val & AQUANTIA_SI_IN_USE_MASK) == AQUANTIA_SI_USXGMII) {
+ phy_write(phydev, MDIO_MMD_PHYXS,
+ AQUANTIA_VENDOR_PROVISIONING_REG,
+ AQUANTIA_USX_AUTONEG_CONTROL_ENA);
+ }
+
} else if (phydev->interface == PHY_INTERFACE_MODE_SGMII_2500) {
/* 2.5GBASE-T mode */
phydev->advertising = SUPPORTED_1000baseT_Full;
--
2.17.1
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