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path: root/target/linux/ixp4xx/patches-2.6.37/132-wrt300nv2_mac_fix.patch
blob: 381cc5b757a2726926c017e5402531faeae629e8 (plain)
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--- a/arch/arm/mach-ixp4xx/wrt300nv2-setup.c
+++ b/arch/arm/mach-ixp4xx/wrt300nv2-setup.c
@@ -3,6 +3,7 @@
  *
  * Board setup for the Linksys WRT300N v2
  *
+ * Copyright (C) 2010 Alexandros C. Couloumbis <alex@ozo.com>
  * Copyright (C) 2007 Imre Kaloz <Kaloz@openwrt.org>
  *
  * based on coyote-setup.c:
@@ -18,6 +19,7 @@
 #include <linux/tty.h>
 #include <linux/serial_8250.h>
 #include <linux/slab.h>
+#include <linux/etherdevice.h>
 
 #include <asm/types.h>
 #include <asm/setup.h>
@@ -79,7 +81,8 @@ static struct platform_device wrt300nv2_
 /* Built-in 10/100 Ethernet MAC interfaces */
 static struct eth_plat_info wrt300nv2_plat_eth[] = {
 	{
-		.phy		= -1,
+		.phy		= IXP4XX_ETH_PHY_MAX_ADDR,
+		.phy_mask	= 0x0F0000,
 		.rxq		= 3,
 		.txreadyq	= 20,
 	}, {
@@ -110,6 +113,10 @@ static struct platform_device *wrt300nv2
 
 static void __init wrt300nv2_init(void)
 {
+	uint8_t __iomem *f;
+	int offset = 0;
+	int i;
+
 	ixp4xx_sys_init();
 
 	wrt300nv2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
@@ -119,6 +126,32 @@ static void __init wrt300nv2_init(void)
 	*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
 
 	platform_add_devices(wrt300nv2_devices, ARRAY_SIZE(wrt300nv2_devices));
+
+	f = ioremap(IXP4XX_EXP_BUS_BASE(0), 0x60000);
+
+	if (f) {
+		for (i = 0; i < 6; i++) {
+#ifdef __ARMEB__
+			wrt300nv2_plat_eth[0].hwaddr[i] = readb(f + 0x5FFA0 + i);
+			if (i == 5)
+				offset = 1;
+			wrt300nv2_plat_eth[1].hwaddr[i] = (wrt300nv2_plat_eth[0].hwaddr[i] + offset);
+#else
+			wrt300nv2_plat_eth[0].hwaddr[i] = readb(f + 0x5FFA0 + (i^3));
+			if (i == 5)
+				offset = 1;
+			wrt300nv2_plat_eth[1].hwaddr[i] = (wrt300nv2_plat_eth[0].hwaddr[i] + offset);
+#endif
+		}
+		iounmap(f);
+	}
+
+	if (!(is_valid_ether_addr(wrt300nv2_plat_eth[0].hwaddr)))
+		random_ether_addr(wrt300nv2_plat_eth[0].hwaddr);
+	if (!(is_valid_ether_addr(wrt300nv2_plat_eth[1].hwaddr))) {
+		memcpy(wrt300nv2_plat_eth[1].hwaddr, wrt300nv2_plat_eth[0].hwaddr, ETH_ALEN);
+		wrt300nv2_plat_eth[1].hwaddr[5] = (wrt300nv2_plat_eth[0].hwaddr[5] + 1);
+	}
 }
 
 #ifdef CONFIG_MACH_WRT300NV2