root/trunk/patches/2.6.22/61-nslu2-setup-mac.patch

arch/arm/mach-ixp4xx/nslu2-setup.c

@@ -19 +19 @@
 #include <linux/serial_8250.h>
 #include <linux/leds.h>
 #include <linux/i2c-gpio.h>
+#include <linux/mtd/mtd.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -167 +168 @@
         &nslu2_eth[0],
 };
 
+static void nslu2_flash_add(struct mtd_info *mtd)
+{
+        if (strcmp(mtd->name, "RedBoot") == 0) {
+                size_t retlen;
+                u_char mac[6];
+
+                if (mtd->read(mtd, 0x3FFB0, 6, &retlen, mac) == 0 && retlen == 6) {
+                        printk(KERN_INFO "nslu2 mac: %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
+                        mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+                        memcpy(nslu2_plat_eth[0].hwaddr, mac, 6);
+                } else {
+                        printk(KERN_ERR "nslu2 mac: read failed\n");
+                }
+        }
+}
+
+static void nslu2_flash_remove(struct mtd_info *mtd) {
+}
+
+static struct mtd_notifier nslu2_flash_notifier = {
+        .add = nslu2_flash_add,
+        .remove = nslu2_flash_remove,
+};
+
 static void nslu2_power_off(void)
 {
         /* This causes the box to drop the power and go dead. */
@@ -209 +234 @@
         (void)platform_device_register(&nslu2_uart);
 
         platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices));
+
+        register_mtd_user(&nslu2_flash_notifier);
 }
 
 MACHINE_START(NSLU2, "Linksys NSLU2")