openwrt/target/linux/ixp4xx/patches/212-gateway_7001_mtd_microcode.patch

Index: linux-2.6.21.7/arch/arm/mach-ixp4xx/gateway7001-setup.c
===================================================================
--- linux-2.6.21.7.orig/arch/arm/mach-ixp4xx/gateway7001-setup.c
+++ linux-2.6.21.7/arch/arm/mach-ixp4xx/gateway7001-setup.c
@@ -16,6 +16,7 @@
 #include <linux/device.h>
 #include <linux/serial.h>
 #include <linux/tty.h>
+#include <linux/mtd/mtd.h>
 #include <linux/serial_8250.h>
 #include <linux/slab.h>
 
@@ -122,11 +123,48 @@ static struct platform_device mac1 = {
 	.resource	= &res_mac1,
 };
 
+struct npe_ucode_platform_data gateway7001_npe_ucode_data = {
+	.mtd_partition  = "microcode",
+};
+
+static struct platform_device gateway7001_npe_ucode = {
+	.name                   = "ixp4xx_npe_ucode",
+	.id                     = 0,
+	.dev.platform_data      = &gateway7001_npe_ucode_data,
+};
+
 static struct platform_device *gateway7001_devices[] __initdata = {
 	&gateway7001_flash,
 	&gateway7001_uart,
 	&mac0,
 	&mac1,
+	&gateway7001_npe_ucode,
+};
+
+static void gateway7001_flash_add(struct mtd_info *mtd) 
+{
+	if (strcmp(mtd->name, "RedBoot config") == 0) {
+		size_t retlen;
+		u_char mac0[6], mac1[6];
+			if (mtd->read(mtd, 0x0422, 6, &retlen, mac0) == 0 && retlen == 6) {
+				printk(KERN_INFO "gateway 7001 mac0: %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
+					mac0[0], mac0[1], mac0[2], mac0[3], mac0[4], mac0[5]);
+				memcpy(plat_mac0.hwaddr, mac0, 6);
+			}
+			if (mtd->read(mtd, 0x043B, 6, &retlen, mac1) == 0 && retlen == 6) {
+				printk(KERN_INFO "gateway 7001 mac1: %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
+					mac1[0], mac1[1], mac1[2], mac1[3], mac1[4], mac1[5]);
+				memcpy(plat_mac1.hwaddr, mac1, 6);
+		}
+	}
+}
+
+static void gateway7001_flash_remove(struct mtd_info *mtd) {
+}
+
+static struct mtd_notifier gateway7001_flash_notifier = {
+	.add = gateway7001_flash_add,
+	.remove = gateway7001_flash_remove,
 };
 
 static void __init gateway7001_init(void)
@@ -140,6 +178,7 @@ static void __init gateway7001_init(void
 	*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
 
 	platform_add_devices(gateway7001_devices, ARRAY_SIZE(gateway7001_devices));
+	register_mtd_user(&gateway7001_flash_notifier);
 }
 
 #ifdef CONFIG_MACH_GATEWAY7001