openwrt-owl/target/linux/ixp4xx/patches/153-nslu2_mtd_load_mac.patch

57 lines
1.6 KiB
Diff

---
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")