openwrt/target/linux/lantiq/patches-3.10/0200-NET-fix-etop-registers.patch

--- a/drivers/net/ethernet/lantiq_etop.c
+++ b/drivers/net/ethernet/lantiq_etop.c
@@ -47,7 +47,7 @@
 #include <xway_dma.h>
 #include <lantiq_platform.h>
 
-#define LTQ_ETOP_MDIO		0x11804
+#define LTQ_ETOP_MDIO_ACC	0x11804
 #define MDIO_REQUEST		0x80000000
 #define MDIO_READ		0x40000000
 #define MDIO_ADDR_MASK		0x1f
@@ -56,27 +56,38 @@
 #define MDIO_REG_OFFSET		0x10
 #define MDIO_VAL_MASK		0xffff
 
-#define PPE32_CGEN		0x800
-#define LQ_PPE32_ENET_MAC_CFG	0x1840
+#define LTQ_ETOP_MDIO_CFG       0x11800
+#define MDIO_CFG_MASK           0x6
+
+#define LTQ_ETOP_CFG            0x11808
+#define LTQ_ETOP_IGPLEN         0x11820
+#define LTQ_ETOP_MAC_CFG	0x11840
 
 #define LTQ_ETOP_ENETS0		0x11850
 #define LTQ_ETOP_MAC_DA0	0x1186C
 #define LTQ_ETOP_MAC_DA1	0x11870
-#define LTQ_ETOP_CFG		0x16020
-#define LTQ_ETOP_IGPLEN		0x16080
+
+#define MAC_CFG_MASK		0xfff
+#define MAC_CFG_CGEN		(1 << 11)
+#define MAC_CFG_DUPLEX		(1 << 2)
+#define MAC_CFG_SPEED		(1 << 1)
+#define MAC_CFG_LINK		(1 << 0)
 
 #define MAX_DMA_CHAN		0x8
 #define MAX_DMA_CRC_LEN		0x4
 #define MAX_DMA_DATA_LEN	0x600
 
 #define ETOP_FTCU		BIT(28)
-#define ETOP_MII_MASK		0xf
-#define ETOP_MII_NORMAL		0xd
-#define ETOP_MII_REVERSE	0xe
 #define ETOP_PLEN_UNDER		0x40
-#define ETOP_CGEN		0x800
 #define ETOP_CFG_MII0		0x01
 
+#define ETOP_CFG_MASK           0xfff
+#define ETOP_CFG_FEN0		(1 << 8)
+#define ETOP_CFG_SEN0		(1 << 6)
+#define ETOP_CFG_OFF1		(1 << 3)
+#define ETOP_CFG_REMII0		(1 << 1)
+#define ETOP_CFG_OFF0		(1 << 0)
+
 #define LTQ_GBIT_MDIO_CTL	0xCC
 #define LTQ_GBIT_MDIO_DATA	0xd0
 #define LTQ_GBIT_GCTL0		0x68
@@ -355,16 +366,19 @@ ltq_etop_hw_init(struct net_device *dev)
 		/* force the etops link to the gbit to MII */
 		mii_mode = PHY_INTERFACE_MODE_MII;
 	}
+	ltq_etop_w32_mask(MDIO_CFG_MASK, 0, LTQ_ETOP_MDIO_CFG);
+	ltq_etop_w32_mask(MAC_CFG_MASK, MAC_CFG_CGEN | MAC_CFG_DUPLEX |
+			MAC_CFG_SPEED | MAC_CFG_LINK, LTQ_ETOP_MAC_CFG);
 
 	switch (mii_mode) {
 	case PHY_INTERFACE_MODE_RMII:
-		ltq_etop_w32_mask(ETOP_MII_MASK,
-			ETOP_MII_REVERSE, LTQ_ETOP_CFG);
+		ltq_etop_w32_mask(ETOP_CFG_MASK, ETOP_CFG_REMII0 | ETOP_CFG_OFF1 |
+			ETOP_CFG_SEN0 | ETOP_CFG_FEN0, LTQ_ETOP_CFG);
 		break;
 
 	case PHY_INTERFACE_MODE_MII:
-		ltq_etop_w32_mask(ETOP_MII_MASK,
-			ETOP_MII_NORMAL, LTQ_ETOP_CFG);
+		ltq_etop_w32_mask(ETOP_CFG_MASK, ETOP_CFG_OFF1 |
+			ETOP_CFG_SEN0 | ETOP_CFG_FEN0, LTQ_ETOP_CFG);
 		break;
 
 	default:
@@ -385,9 +399,6 @@ ltq_etop_hw_init(struct net_device *dev)
 		return -ENOTSUPP;
 	}
 
-	/* enable crc generation */
-	ltq_etop_w32(PPE32_CGEN, LQ_PPE32_ENET_MAC_CFG);
-
 	return 0;
 }
 
@@ -521,9 +532,9 @@ ltq_etop_mdio_wr(struct mii_bus *bus, in
 		((phy_reg & MDIO_REG_MASK) << MDIO_REG_OFFSET) |
 		phy_data;
 
-	while (ltq_etop_r32(LTQ_ETOP_MDIO) & MDIO_REQUEST)
+	while (ltq_etop_r32(LTQ_ETOP_MDIO_ACC) & MDIO_REQUEST)
 		;
-	ltq_etop_w32(val, LTQ_ETOP_MDIO);
+	ltq_etop_w32(val, LTQ_ETOP_MDIO_ACC);
 	return 0;
 }
 
@@ -534,12 +545,12 @@ ltq_etop_mdio_rd(struct mii_bus *bus, in
 		((phy_addr & MDIO_ADDR_MASK) << MDIO_ADDR_OFFSET) |
 		((phy_reg & MDIO_REG_MASK) << MDIO_REG_OFFSET);
 
-	while (ltq_etop_r32(LTQ_ETOP_MDIO) & MDIO_REQUEST)
+	while (ltq_etop_r32(LTQ_ETOP_MDIO_ACC) & MDIO_REQUEST)
 		;
-	ltq_etop_w32(val, LTQ_ETOP_MDIO);
-	while (ltq_etop_r32(LTQ_ETOP_MDIO) & MDIO_REQUEST)
+	ltq_etop_w32(val, LTQ_ETOP_MDIO_ACC);
+	while (ltq_etop_r32(LTQ_ETOP_MDIO_ACC) & MDIO_REQUEST)
 		;
-	val = ltq_etop_r32(LTQ_ETOP_MDIO) & MDIO_VAL_MASK;
+	val = ltq_etop_r32(LTQ_ETOP_MDIO_ACC) & MDIO_VAL_MASK;
 	return val;
 }