diff options
| -rw-r--r-- | arch/arm/mach-mx6/board-mx6q_arm2.c | 10 | ||||
| -rw-r--r-- | arch/arm/mach-mx6/board-mx6q_sabreauto.c | 11 | ||||
| -rw-r--r-- | arch/arm/mach-mx6/board-mx6q_sabresd.c | 10 |
3 files changed, 31 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); diff --git a/arch/arm/mach-mx6/board-mx6q_sabreauto.c b/arch/arm/mach-mx6/board-mx6q_sabreauto.c index f028fa828304..99db549427f7 100644 --- a/arch/arm/mach-mx6/board-mx6q_sabreauto.c +++ b/arch/arm/mach-mx6/board-mx6q_sabreauto.c @@ -346,6 +346,17 @@ static int mx6q_sabreauto_fec_phy_init(struct phy_device *phydev) unsigned short val; if (!board_is_mx6_reva()) { + /* 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); diff --git a/arch/arm/mach-mx6/board-mx6q_sabresd.c b/arch/arm/mach-mx6/board-mx6q_sabresd.c index 082de985bffb..8a9645f92026 100644 --- a/arch/arm/mach-mx6/board-mx6q_sabresd.c +++ b/arch/arm/mach-mx6/board-mx6q_sabresd.c @@ -254,6 +254,16 @@ static int mx6q_sabresd_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); |