On Wed, May 09, 2012 at 10:51:39PM +0200, Wolfram Sang wrote:
> Signed-off-by: Wolfram Sang <w.sang@xxxxxxxxxxxxxx>
> ---
> arch/arm/boards/freescale-mx28-evk/mx28-evk.c | 25 +++++++++++++++++++++++--
> arch/arm/mach-mxs/Kconfig | 1 +
> 2 files changed, 24 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/boards/freescale-mx28-evk/mx28-evk.c b/arch/arm/boards/freescale-mx28-evk/mx28-evk.c
> index 9168ed8..f0b256b 100644
> --- a/arch/arm/boards/freescale-mx28-evk/mx28-evk.c
> +++ b/arch/arm/boards/freescale-mx28-evk/mx28-evk.c
> @@ -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 +119,22 @@ static struct mxs_mci_platform_data mci_pdata = {
> };
>
> /* fec */
> +void mx28_evk_get_ethaddr(void)
> +{
> + u8 mac[6] = { 0x00, 0x04, 0x9f, 0x00, 0x00, 0x00 };
> + u8 tmp;
> + int ret;
> +
> + ret = mxs_ocotp_read(mac + 3, 3, 0);
> + if (ret != 3)
> + return;
> +
> + tmp = mac[5];
> + mac[5] = mac[3];
> + mac[3] = tmp;
> + eth_register_ethaddr(0, mac);
Maybe the following would be readable a bit better?
u8 macpart[3], mac[6];
ret = mxs_ocotp_read(tmpmac, 3, 0);
if (ret != 3) {
pr_err("go away!\n");
return;
}
mac[0] = 0x00;
mac[1] = 0x04;
mac[2] = 0x9f;
mac[3] = tmpmac[2];
mac[4] = tmpmac[1];
mac[5] = tmpmac[0];
Sascha
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