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authorRussell King <rmk+kernel@arm.linux.org.uk>2014-01-28 21:38:58 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2014-01-28 21:38:58 +0000
commit5efa906486b14c607dd981504fd21b05b867ea1f (patch)
treee852f07a4ef5959a5ce7664a8d93bedfc79db4a8 /arch/arm/mach-imx/mach-imx6q.c
parentf5137a45c20713f06535b7d952b72b673c27488f (diff)
parent971488f1149f09fd2fad0e7973780b752809b9f6 (diff)
downloadlinux-5efa906486b14c607dd981504fd21b05b867ea1f.tar.bz2
Merge branch 'cubox-i-init' into for-linus
Diffstat (limited to 'arch/arm/mach-imx/mach-imx6q.c')
-rw-r--r--arch/arm/mach-imx/mach-imx6q.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index d2ea6e60ea7b..76e5db4fce35 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -133,6 +133,39 @@ static int ar8031_phy_fixup(struct phy_device *dev)
#define PHY_ID_AR8031 0x004dd074
+static int ar8035_phy_fixup(struct phy_device *dev)
+{
+ u16 val;
+
+ /* Ar803x phy SmartEEE feature cause link status generates glitch,
+ * which cause ethernet link down/up issue, so disable SmartEEE
+ */
+ phy_write(dev, 0xd, 0x3);
+ phy_write(dev, 0xe, 0x805d);
+ phy_write(dev, 0xd, 0x4003);
+
+ val = phy_read(dev, 0xe);
+ phy_write(dev, 0xe, val & ~(1 << 8));
+
+ /*
+ * Enable 125MHz clock from CLK_25M on the AR8031. This
+ * is fed in to the IMX6 on the ENET_REF_CLK (V22) pad.
+ * Also, introduce a tx clock delay.
+ *
+ * This is the same as is the AR8031 fixup.
+ */
+ ar8031_phy_fixup(dev);
+
+ /*check phy power*/
+ val = phy_read(dev, 0x0);
+ if (val & BMCR_PDOWN)
+ phy_write(dev, 0x0, val & ~BMCR_PDOWN);
+
+ return 0;
+}
+
+#define PHY_ID_AR8035 0x004dd072
+
static void __init imx6q_enet_phy_init(void)
{
if (IS_BUILTIN(CONFIG_PHYLIB)) {
@@ -142,6 +175,8 @@ static void __init imx6q_enet_phy_init(void)
ksz9031rn_phy_fixup);
phy_register_fixup_for_uid(PHY_ID_AR8031, 0xffffffff,
ar8031_phy_fixup);
+ phy_register_fixup_for_uid(PHY_ID_AR8035, 0xffffffef,
+ ar8035_phy_fixup);
}
}