The devkit8000 boards often come with empty EEPROM thus without
valid ethernet MAC address. The DIE id to MAC formula is copied from
u-boot.
Signed-off-by: Kan-Ru Chen <kanru@xxxxxxxxx>
---
arch/arm/mach-omap2/board-devkit8000.c | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
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 = {
--
1.7.1
--
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