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arm: mxs: get MAC from OCOTP for MX28EVK 

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Wolfram Sang 2012-06-14 15:13:03 +02:00 committed by Sascha Hauer
parent a6e358b2f5
commit ead6ec8b4f
2 changed files with 29 additions and 2 deletions
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30
arch/arm/boards/freescale-mx28-evk/mx28-evk.c
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@ -22,17 +22,18 @@
#include <init.h>
#include <mci.h>
#include <io.h>
#include <net.h>
#include <mach/clock.h>
#include <mach/imx-regs.h>
#include <mach/iomux-imx28.h>
#include <mach/mci.h>
#include <mach/fb.h>
#include <mach/ocotp.h>
#include <asm/armlinux.h>
#include <asm/mmu.h>
#include <mach/fb.h>
#include <generated/mach-types.h>
#define MX28EVK_FEC_PHY_RESET_GPIO 141
@ -118,6 +119,27 @@ static struct mxs_mci_platform_data mci_pdata = {
};
/* fec */
static void mx28_evk_get_ethaddr(void)
{
u8 mac_ocotp[3], mac[6];
int ret;
ret = mxs_ocotp_read(mac_ocotp, 3, 0);
if (ret != 3) {
pr_err("Reading MAC from OCOTP failed!\n");
return;
}
mac[0] = 0x00;
mac[1] = 0x04;
mac[2] = 0x9f;
mac[3] = mac_ocotp[2];
mac[4] = mac_ocotp[1];
mac[5] = mac_ocotp[0];
eth_register_ethaddr(0, mac);
}
static void __init mx28_evk_fec_reset(void)
{
mdelay(1);
@ -208,6 +230,10 @@ static int mx28_evk_devices_init(void)
add_generic_device("stmfb", 0, NULL, IMX_FB_BASE, 4096,
IORESOURCE_MEM, &mx28_evk_fb_pdata);
add_generic_device("ocotp", 0, NULL, IMX_OCOTP_BASE, 0,
IORESOURCE_MEM, NULL);
mx28_evk_get_ethaddr(); /* must be after registering ocotp */
imx_enable_enetclk();
mx28_evk_fec_reset();
add_generic_device("fec_imx", 0, NULL, IMX_FEC0_BASE, 0,

1
arch/arm/mach-mxs/Kconfig
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@ -61,6 +61,7 @@ config MACH_TX28
config MACH_MX28EVK
bool "mx28-evk"
select MXS_OCOTP
help
Say Y here if you are using the Freescale i.MX28-EVK board