[PATCH] drivers: net: emac: add Atheros AR8035 phy initialization code
From: Christian Lamparter <chunkeey@googlemail.com>
Date: 2016-05-03 12:08:51
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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> --- drivers/net/ethernet/ibm/emac/phy.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)
diff --git a/drivers/net/ethernet/ibm/emac/phy.c b/drivers/net/ethernet/ibm/emac/phy.c
index d3b9d10..5b88cc6 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 };
--
2.8.1