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freifunkist-firmware/target/linux/apm821xx/patches-4.4/002-powerpc_ibm_phy_add_ar8...

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From 0c13957a43a90b1522eb616f3c9967ec44e4da1d Mon Sep 17 00:00:00 2001
From: Christian Lamparter <chunkeey@googlemail.com>
Date: Tue, 3 May 2016 13:58:24 +0200
Subject: [PATCH] drivers: net: emac: add Atheros AR8035 phy initialization
code
To: netdev@vger.kernel.org
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(+)
--- 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_d
.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
};