diff -Nur linux-2.6.23/arch/arm/mach-ixp4xx/wrt300nv2-setup.c linux-2.6.23-owrt/arch/arm/mach-ixp4xx/wrt300nv2-setup.c
--- linux-2.6.23/arch/arm/mach-ixp4xx/wrt300nv2-setup.c	2007-10-23 19:20:08.000000000 +0200
+++ linux-2.6.23-owrt/arch/arm/mach-ixp4xx/wrt300nv2-setup.c	2007-10-23 19:22:19.000000000 +0200
@@ -76,9 +76,36 @@
 	.resource	= &wrt300nv2_uart_resource,
 };
 
+/* Built-in 10/100 Ethernet MAC interfaces */
+static struct eth_plat_info wrt300nv2_plat_eth[] = {
+	{
+		.phy		= -1,
+		.rxq		= 3,
+		.txreadyq	= 20,
+	}, {
+		.phy		= 1,
+		.rxq		= 4,
+		.txreadyq	= 21,
+	}
+};
+
+static struct platform_device wrt300nv2_eth[] = {
+	{
+		.name			= "ixp4xx_eth",
+		.id			= IXP4XX_ETH_NPEB,
+		.dev.platform_data	= wrt300nv2_plat_eth,
+	}, {
+		.name			= "ixp4xx_eth",
+		.id			= IXP4XX_ETH_NPEC,
+		.dev.platform_data	= wrt300nv2_plat_eth + 1,
+	}
+};
+
 static struct platform_device *wrt300nv2_devices[] __initdata = {
 	&wrt300nv2_flash,
-	&wrt300nv2_uart
+	&wrt300nv2_uart,
+	&wrt300nv2_eth[0],
+	&wrt300nv2_eth[1],
 };
 
 static void __init wrt300nv2_init(void)