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arch/arm/mach-ixp4xx/Kconfig | 1
arch/arm/mach-ixp4xx/nas100d-setup.c | 39 +++++++++++++++++++++++++++++++++++
2 files changed, 40 insertions(+)
--- linux-nslu2.orig/arch/arm/mach-ixp4xx/Kconfig 2006-02-06 22:34:20.000000000 +0100
+++ linux-nslu2/arch/arm/mach-ixp4xx/Kconfig 2006-02-06 22:35:26.000000000 +0100
@@ -80,6 +80,7 @@ config ARCH_PRPMC1100
config MACH_NAS100D
bool
prompt "NAS100D"
+ select MACLIST
help
Say 'Y' here if you want your kernel to support Iomega's
NAS 100d device. For more information on this platform,
--- linux-nslu2.orig/arch/arm/mach-ixp4xx/nas100d-setup.c 2006-02-06 20:37:01.000000000 +0100
+++ linux-nslu2/arch/arm/mach-ixp4xx/nas100d-setup.c 2006-02-06 22:35:26.000000000 +0100
@@ -15,12 +15,15 @@
#include <linux/kernel.h>
#include <linux/serial.h>
#include <linux/serial_8250.h>
+#include <linux/mtd/mtd.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <asm/setup.h>
+#include <net/maclist.h>
+
static struct flash_platform_data nas100d_flash_data = {
.map_name = "cfi_probe",
.width = 2,
@@ -109,8 +112,44 @@ static void nas100d_power_off(void)
gpio_line_set(NAS100D_PO_GPIO, IXP4XX_GPIO_HIGH);
}
+/*
+ * When the RedBoot config partition is added the MAC address is read from
+ * it.
+ */
+static void nas100d_flash_add(struct mtd_info *mtd) {
+ if (strcmp(mtd->name, "RedBoot config") == 0) {
+ size_t retlen;
+ u_char mac[6];
+
+ /* The MAC is at a known offset... */
+ if (mtd->read(mtd, 0x0FD8, 6, &retlen, mac) == 0 && retlen == 6) {
+ printk(KERN_INFO "NAS100D MAC: %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
+ mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ maclist_add(mac);
+ } else {
+ printk(KERN_ERR "NAS100D MAC: read failed\n");
+ }
+ }
+}
+
+/*
+ * Nothing to do on remove at present.
+ */
+static void nas100d_flash_remove(struct mtd_info *mtd) {
+}
+
+static struct mtd_notifier nas100d_flash_notifier = {
+ .add = nas100d_flash_add,
+ .remove = nas100d_flash_remove,
+};
+
static void __init nas100d_init(void)
{
+ /* The flash has an ethernet MAC embedded in it which we need,
+ * that is all this notifier does.
+ */
+ register_mtd_user(&nas100d_flash_notifier);
+
ixp4xx_sys_init();
nas100d_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
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