From 6180191091b11f454a1ff69faf7fd182bd4f4f6f Mon Sep 17 00:00:00 2001
From: Troy Kisky <troy.kisky@boundarydevices.com>
Date: Fri, 19 Feb 2016 12:34:11 -0700
Subject: [PATCH] atheros: check disable_giga environment variable
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
---
drivers/net/phy/atheros.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/net/phy/atheros.c b/drivers/net/phy/atheros.c
index 79f68af14c0..c6fc99d6354 100644
--- a/drivers/net/phy/atheros.c
+++ b/drivers/net/phy/atheros.c
@@ -6,6 +6,7 @@
* author Andy Fleming
*/
#include <phy.h>
+#include <common.h>
#define AR803x_PHY_DEBUG_ADDR_REG 0x1d
#define AR803x_PHY_DEBUG_DATA_REG 0x1e
@@ -54,6 +55,8 @@ static int ar8031_config(struct phy_device *phydev)
static int ar8035_config(struct phy_device *phydev)
{
+ unsigned ctrl1000 = 0;
+ unsigned features = phydev->drv->features;
int regval;
phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x0007);
@@ -82,8 +85,15 @@ static int ar8035_config(struct phy_device *phydev)
phy_write(phydev, MDIO_DEVAD_NONE, 0x1E, 0x8000);
}
- phydev->supported = phydev->drv->features;
-
+ if (env_get("disable_giga"))
+ features &= ~(SUPPORTED_1000baseT_Half |
+ SUPPORTED_1000baseT_Full);
+ if (features & SUPPORTED_1000baseT_Half)
+ ctrl1000 |= ADVERTISE_1000HALF;
+ if (features & SUPPORTED_1000baseT_Full)
+ ctrl1000 |= ADVERTISE_1000FULL;
+ phydev->advertising = phydev->supported = features;
+ phy_write(phydev, MDIO_DEVAD_NONE, MII_CTRL1000, ctrl1000);
genphy_config_aneg(phydev);
genphy_restart_aneg(phydev);
--
GitLab