diff -Nur linux-2.6.23.1/arch/arm/mach-ixp4xx/ap1000-setup.c linux-2.6.23.1-owrt/arch/arm/mach-ixp4xx/ap1000-setup.c
--- linux-2.6.23.1/arch/arm/mach-ixp4xx/ap1000-setup.c	2007-11-14 14:11:10.000000000 +0100
+++ linux-2.6.23.1-owrt/arch/arm/mach-ixp4xx/ap1000-setup.c	2007-11-14 14:09:30.000000000 +0100
@@ -90,9 +90,37 @@
 	.resource		= ap1000_uart_resources
 };
 
+/* Built-in 10/100 Ethernet MAC interfaces */
+static struct eth_plat_info ap1000_plat_eth[] = {
+	{
+		.phy		= IXP4XX_ETH_PHY_MAX_ADDR,
+		.phy_mask	= 0x1e,
+		.rxq		= 3,
+		.txreadyq	= 20,
+	}, {
+		.phy		= 5,
+		.rxq		= 4,
+		.txreadyq	= 21,
+	}
+};
+
+static struct platform_device ap1000_eth[] = {
+	{
+		.name			= "ixp4xx_eth",
+		.id			= IXP4XX_ETH_NPEB,
+		.dev.platform_data	= ap1000_plat_eth,
+	}, {
+		.name			= "ixp4xx_eth",
+		.id			= IXP4XX_ETH_NPEC,
+		.dev.platform_data	= ap1000_plat_eth + 1,
+	}
+};
+
 static struct platform_device *ap1000_devices[] __initdata = {
 	&ap1000_flash,
-	&ap1000_uart
+	&ap1000_uart,
+	&ap1000_eth[0],
+	&ap1000_eth[1],
 };
 
 static char ap1000_mem_fixup[] __initdata = "mem=64M ";