diff options
Diffstat (limited to 'arch/arm/mach-mx6/board-mx6q_arm2.c')
-rw-r--r-- | arch/arm/mach-mx6/board-mx6q_arm2.c | 10 |
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); |