[PATCHv2,3/3] omap: Devkit8000: Use DIE id to initialize dm9000 MAC address

Commit Message

Kan-Ru Chen July 6, 2010, 1:10 a.m. UTC

None

Patch

diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c
index 922b746..51774d2 100644
--- a/arch/arm/mach-omap2/board-devkit8000.c
+++ b/arch/arm/mach-omap2/board-devkit8000.c
@@ -33,6 +33,7 @@ 
 #include <linux/i2c/twl.h>
 
 #include <mach/hardware.h>
+#include <mach/id.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -560,6 +561,9 @@  static struct platform_device omap_dm9000_dev = {
 
 static void __init omap_dm9000_init(void)
 {
+	unsigned char *eth_addr = omap_dm9000_platdata.dev_addr;
+	struct omap_die_id odi;
+
 	if (gpio_request(OMAP_DM9000_GPIO_IRQ, "dm9000 irq") < 0) {
 		printk(KERN_ERR "Failed to request GPIO%d for dm9000 IRQ\n",
 			OMAP_DM9000_GPIO_IRQ);
@@ -567,6 +571,16 @@  static void __init omap_dm9000_init(void)
 		}
 
 	gpio_direction_input(OMAP_DM9000_GPIO_IRQ);
+
+	/* init the mac address using DIE id */
+	omap_get_die_id(&odi);
+
+	eth_addr[0] = 0x02; /* locally administered */
+	eth_addr[1] = odi.id_1 & 0xff;
+	eth_addr[2] = (odi.id_0 & 0xff000000) >> 24;
+	eth_addr[3] = (odi.id_0 & 0x00ff0000) >> 16;
+	eth_addr[4] = (odi.id_0 & 0x0000ff00) >> 8;
+	eth_addr[5] = (odi.id_0 & 0x000000ff);
 }
 
 static struct platform_device *devkit8000_devices[] __initdata = {