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Commit f535daed authored by Kan-Ru Chen's avatar Kan-Ru Chen Committed by Tony Lindgren
Browse files

omap: Devkit8000: Use DIE id to initialize dm9000 MAC address 



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: default avatarKan-Ru Chen <kanru@0xlab.org>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent c46732bb

arch/arm/mach-omap2/board-devkit8000.c

+14 −0
Original line number Diff line number Diff line
@@ -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 = {