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Diffstat (limited to 'arch/arm/mach-mx6/board-mx6q_arm2.c')
-rw-r--r--arch/arm/mach-mx6/board-mx6q_arm2.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-mx6/board-mx6q_arm2.c b/arch/arm/mach-mx6/board-mx6q_arm2.c
index b1c8eaa16535..1e42f4f2193a 100644
--- a/arch/arm/mach-mx6/board-mx6q_arm2.c
+++ b/arch/arm/mach-mx6/board-mx6q_arm2.c
@@ -336,6 +336,16 @@ static int mx6_arm2_fec_phy_init(struct phy_device *phydev)
{
unsigned short val;
+ /* Ar8031 phy SmartEEE feature cause link status generates glitch,
+ * which cause ethernet link down/up issue, so disable SmartEEE
+ */
+ phy_write(phydev, 0xd, 0x3);
+ phy_write(phydev, 0xe, 0x805d);
+ phy_write(phydev, 0xd, 0x4003);
+ val = phy_read(phydev, 0xe);
+ val &= ~(0x1 << 8);
+ phy_write(phydev, 0xe, val);
+
/* To enable AR8031 ouput a 125MHz clk from CLK_25M */
phy_write(phydev, 0xd, 0x7);
phy_write(phydev, 0xe, 0x8016);