drivers: net: emac: add Atheros AR8035 phy initialization code

This patch adds the phy initialization code for Qualcomm
Atheros AR8035 phy. This configuration is found in the
Cisco Meraki MR24.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 26 insertions, 0 deletions

diff --git a/drivers/net/ethernet/ibm/emac/phy.c b/drivers/net/ethernet/ibm/emac/phy.c
index d3b9d103353e..5b88cc690c22 100644
--- a/drivers/net/ethernet/ibm/emac/phy.c
+++ b/drivers/net/ethernet/ibm/emac/phy.c
@@ -470,12 +470,38 @@ static struct mii_phy_def m88e1112_phy_def = {
         .ops            = &m88e1112_phy_ops,
 };
 
+static int ar8035_init(struct mii_phy *phy)
+{
+        phy_write(phy, 0x1d, 0x5); /* Address debug register 5 */
+        phy_write(phy, 0x1e, 0x2d47); /* Value copied from u-boot */
+        phy_write(phy, 0x1d, 0xb);    /* Address hib ctrl */
+        phy_write(phy, 0x1e, 0xbc20); /* Value copied from u-boot */
+
+        return 0;
+}
+
+static struct mii_phy_ops ar8035_phy_ops = {
+        .init           = ar8035_init,
+        .setup_aneg     = genmii_setup_aneg,
+        .setup_forced   = genmii_setup_forced,
+        .poll_link      = genmii_poll_link,
+        .read_link      = genmii_read_link,
+};
+
+static struct mii_phy_def ar8035_phy_def = {
+        .phy_id         = 0x004dd070,
+        .phy_id_mask    = 0xfffffff0,
+        .name           = "Atheros 8035 Gigabit Ethernet",
+        .ops            = &ar8035_phy_ops,
+};
+
 static struct mii_phy_def *mii_phy_table[] = {
         &et1011c_phy_def,
         &cis8201_phy_def,
         &bcm5248_phy_def,
         &m88e1111_phy_def,
         &m88e1112_phy_def,
+        &ar8035_phy_def,
         &genmii_phy_def,
         NULL
 };