From f8404aaf9e44bab6fb629d5ee106e50ca2943d1c Mon Sep 17 00:00:00 2001
From: John Crispin <john@openwrt.org>
Date: Thu, 6 Nov 2014 09:31:19 +0000
Subject: [PATCH] ralink: add mt7628 support to the ethernet driver

Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 43196
---
 .../drivers/net/ethernet/ralink/esw_rt3052.c  | 71 ++++++++++++++++++-
 .../drivers/net/ethernet/ralink/soc_rt305x.c  | 15 ++++
 2 files changed, 85 insertions(+), 1 deletion(-)

diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/esw_rt3052.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/esw_rt3052.c
index b9370628d8..ae37a0307d 100644
--- a/target/linux/ramips/files/drivers/net/ethernet/ralink/esw_rt3052.c
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/esw_rt3052.c
@@ -38,7 +38,29 @@
 #include <linux/mii.h>
 
 #include <ralink_regs.h>
+#ifdef CONFIG_SOC_MT7620
+static inline int soc_is_rt3352(void)
+{
+	return 0;
+}
+
+static inline int soc_is_mt7628(void)
+{
+	return 1;
+}
+
+static inline int soc_is_rt5350(void)
+{
+	return 0;
+}
+#else
 #include <asm/mach-ralink/rt305x.h>
+static inline int soc_is_mt7628(void)
+{
+	return 0;
+}
+#endif
+
 #include <asm/mach-ralink/rt305x_esw_platform.h>
 
 /*
@@ -616,6 +638,53 @@ static void esw_hw_init(struct rt305x_esw *esw)
 		rt305x_mii_write(esw, 0, 29, 0x598b);
 		/* select local register */
 		rt305x_mii_write(esw, 0, 31, 0x8000);
+	} else if (soc_is_mt7628()) {
+		int i;
+		u32 phy_val;
+		u32 val;
+
+		/* reset EPHY */
+		val = rt_sysc_r32(SYSC_REG_RESET_CTRL);
+		rt_sysc_w32(val | RT5350_RESET_EPHY, SYSC_REG_RESET_CTRL);
+		rt_sysc_w32(val, SYSC_REG_RESET_CTRL);
+
+		rt305x_mii_write(esw, 0, 31, 0x2000); /* change G2 page */
+		rt305x_mii_write(esw, 0, 26, 0x0020);
+
+		for (i = 0; i < 5; i++) {
+			rt305x_mii_write(esw, i, 31, 0x8000); //change L0 page
+			rt305x_mii_write(esw, i,  0, 0x3100);
+//			mii_mgr_read(i, 26, &phy_val);// EEE setting
+//			phy_val |= (1 << 5);
+//			rt305x_mii_write(esw, i, 26, phy_val);
+			rt305x_mii_write(esw, i, 30, 0xa000);
+			rt305x_mii_write(esw, i, 31, 0xa000); // change L2 page
+			rt305x_mii_write(esw, i, 16, 0x0606);
+			rt305x_mii_write(esw, i, 23, 0x0f0e);
+			rt305x_mii_write(esw, i, 24, 0x1610);
+			rt305x_mii_write(esw, i, 30, 0x1f15);
+			rt305x_mii_write(esw, i, 28, 0x6111);
+//			mii_mgr_read(i, 4, &phy_val);
+//			phy_val |= (1 << 10);
+//			rt305x_mii_write(esw, i, 4, phy_val);
+			rt305x_mii_write(esw, i, 31, 0x2000); // change G2 page
+			rt305x_mii_write(esw, i, 26, 0x0000);
+		}
+
+		//100Base AOI setting
+		rt305x_mii_write(esw, 0, 31, 0x5000);  //change G5 page
+		rt305x_mii_write(esw, 0, 19, 0x004a);
+		rt305x_mii_write(esw, 0, 20, 0x015a);
+		rt305x_mii_write(esw, 0, 21, 0x00ee);
+		rt305x_mii_write(esw, 0, 22, 0x0033);
+		rt305x_mii_write(esw, 0, 23, 0x020a);
+		rt305x_mii_write(esw, 0, 24, 0x0000);
+		rt305x_mii_write(esw, 0, 25, 0x024a);
+		rt305x_mii_write(esw, 0, 26, 0x035a);
+		rt305x_mii_write(esw, 0, 27, 0x02ee);
+		rt305x_mii_write(esw, 0, 28, 0x0233);
+		rt305x_mii_write(esw, 0, 29, 0x000a);
+		rt305x_mii_write(esw, 0, 30, 0x0000);
 	} else {
 		rt305x_mii_write(esw, 0, 31, 0x8000);
 		for (i = 0; i < 5; i++) {
@@ -1002,7 +1071,7 @@ esw_get_port_tr_badgood(struct switch_dev *dev,
 	int shift = attr->id == RT5350_ESW_ATTR_PORT_TR_GOOD ? 0 : 16;
 	u32 reg;
 
-	if (!soc_is_rt5350())
+	if (!soc_is_rt5350() && !soc_is_mt7628())
 		return -EINVAL;
 
 	if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN)
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt305x.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt305x.c
index ec09500afd..746b118e1e 100644
--- a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt305x.c
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt305x.c
@@ -18,7 +18,19 @@
 #include <linux/module.h>
 
 #include <asm/mach-ralink/ralink_regs.h>
+#ifdef CONFIG_SOC_MT7620
+static inline int soc_is_rt3352(void)
+{
+	return 0;
+}
+
+static inline int soc_is_rt3052(void)
+{
+	return 0;
+}
+#else
 #include <asm/mach-ralink/rt305x.h>
+#endif
 
 #include "ralink_soc_eth.h"
 #include "mdio_rt2880.h"
@@ -79,6 +91,9 @@ static void rt305x_fe_reset(void)
 static void rt5350_init_data(struct fe_soc_data *data,
 		struct net_device *netdev)
 {
+	struct fe_priv *priv = netdev_priv(netdev);
+
+	priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_PADDING_BUG;
 	netdev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM;
 }
 
-- 
2.30.2