IXP4xx patches for NSLU2 and NAS100D
[openwrt/openwrt.git] / target / linux / ixp4xx-2.6 / patches / 153-nslu2_mtd_load_mac.patch
diff --git a/target/linux/ixp4xx-2.6/patches/153-nslu2_mtd_load_mac.patch b/target/linux/ixp4xx-2.6/patches/153-nslu2_mtd_load_mac.patch
new file mode 100644 (file)
index 0000000..21fe29a
--- /dev/null
@@ -0,0 +1,56 @@
+---
+ arch/arm/mach-ixp4xx/nslu2-setup.c |   27 +++++++++++++++++++++++++++
+ 1 file changed, 27 insertions(+)
+
+Index: linux-2.6.19/arch/arm/mach-ixp4xx/nslu2-setup.c
+===================================================================
+--- linux-2.6.19.orig/arch/arm/mach-ixp4xx/nslu2-setup.c
++++ linux-2.6.19/arch/arm/mach-ixp4xx/nslu2-setup.c
+@@ -18,6 +18,7 @@
+ #include <linux/serial.h>
+ #include <linux/serial_8250.h>
+ #include <linux/leds.h>
++#include <linux/mtd/mtd.h>
+ #include <asm/mach-types.h>
+ #include <asm/mach/arch.h>
+@@ -180,6 +181,30 @@ static struct platform_device *nslu2_dev
+       &nslu2_npe_ucode,
+ };
++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(plat_mac0.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. */
+@@ -210,6 +235,8 @@ static void __init nslu2_init(void)
+       (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")