Index: linux-2.6.23.12-armeb/arch/arm/mach-ixp4xx/nas100d-setup.c
===================================================================
--- linux-2.6.23.12-armeb.orig/arch/arm/mach-ixp4xx/nas100d-setup.c	2008-01-08 15:22:07.000000000 +1030
+++ linux-2.6.23.12-armeb/arch/arm/mach-ixp4xx/nas100d-setup.c	2008-01-08 15:32:32.000000000 +1030
@@ -21,6 +21,7 @@
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/flash.h>
+#include <asm/io.h>
 
 static struct flash_platform_data nas100d_flash_data = {
 	.map_name		= "cfi_probe",
@@ -125,12 +126,30 @@
 	.resource		= nas100d_uart_resources,
 };
 
+/* Built-in 10/100 Ethernet MAC interfaces */
+static struct eth_plat_info nas100d_plat_eth[] = {
+        {
+                .phy            = 0,
+                .rxq            = 3,
+		.txreadyq	= 20,
+        }
+};
+
+static struct platform_device nas100d_eth[] = {
+        {
+                .name                   = "ixp4xx_eth",
+                .id                     = IXP4XX_ETH_NPEB,
+                .dev.platform_data      = nas100d_plat_eth,
+        }
+};
+
 static struct platform_device *nas100d_devices[] __initdata = {
 	&nas100d_i2c_gpio,
 	&nas100d_flash,
 #ifdef CONFIG_LEDS_IXP4XX
 	&nas100d_leds,
 #endif
+	&nas100d_eth[0],
 };
 
 static void nas100d_power_off(void)
@@ -146,6 +165,9 @@
 
 static void __init nas100d_init(void)
 {
+	uint8_t __iomem *f;
+	int i;
+
 	ixp4xx_sys_init();
 
 	/* gpio 14 and 15 are _not_ clocks */
@@ -165,6 +187,33 @@
 	(void)platform_device_register(&nas100d_uart);
 
 	platform_add_devices(nas100d_devices, ARRAY_SIZE(nas100d_devices));
+
+
+	/*
+	 * Map in a portion of the flash and read the MAC address.
+	 * Since it is stored in BE in the flash itself, we need to
+	 * byteswap it if we're in LE mode.
+	 */
+	if ((f = ioremap(IXP4XX_EXP_BUS_BASE(0), 0x1000000))) {
+#ifdef __ARMEB__
+		for (i = 0; i < 6; i++) {
+			nas100d_plat_eth[0].hwaddr[i] = readb(f + 0xFC0FD8 + i);
+		}
+#else
+		nas100d_plat_eth[0].hwaddr[0] = readb(f + 0xFC0FD8 + 3);
+		nas100d_plat_eth[0].hwaddr[1] = readb(f + 0xFC0FD8 + 2);
+		nas100d_plat_eth[0].hwaddr[2] = readb(f + 0xFC0FD8 + 1);
+		nas100d_plat_eth[0].hwaddr[3] = readb(f + 0xFC0FD8 + 0);
+		nas100d_plat_eth[0].hwaddr[4] = readb(f + 0xFC0FD8 + 7);
+		nas100d_plat_eth[0].hwaddr[5] = readb(f + 0xFC0FD8 + 6);
+#endif
+		iounmap(f);
+	}
+	printk(KERN_INFO "NAS100D: Using MAC address %.2x:%.2x:%.2x:%.2x:%.2x:%.2x for port 0\n",
+	       nas100d_plat_eth[0].hwaddr[0], nas100d_plat_eth[0].hwaddr[1],
+	       nas100d_plat_eth[0].hwaddr[2], nas100d_plat_eth[0].hwaddr[3],
+	       nas100d_plat_eth[0].hwaddr[4], nas100d_plat_eth[0].hwaddr[5]);
+
 }
 
 MACHINE_START(NAS100D, "Iomega NAS 100d")