On Sun, Aug 15, 2010 at 04:39:28PM +0300, Baruch Siach wrote:
> This patch adds support for i.MX25 only, because that's what I have. Extending
> this to other i.MX chip should be trivial, given the right IIM_MAC_ADDR define.
This needs to be ifdeffed because this define is not present for
!i.MX25.
Sascha
>
> Signed-off-by: Baruch Siach <baruch@xxxxxxxxxx>
> ---
> arch/arm/mach-imx/include/mach/imx25-regs.h | 1 +
> drivers/net/fec_imx.c | 11 +++++++++++
> 2 files changed, 12 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-imx/include/mach/imx25-regs.h b/arch/arm/mach-imx/include/mach/imx25-regs.h
> index f8908f2..ddd3e04 100644
> --- a/arch/arm/mach-imx/include/mach/imx25-regs.h
> +++ b/arch/arm/mach-imx/include/mach/imx25-regs.h
> @@ -142,6 +142,7 @@
>
> /* IIM fuse definitions */
> #define IIM_UID 0x820
> +#define IIM_MAC_ADDR 0x868
>
> #define IIM_BANK_SIZE 32 /* excluding alignment padding for each row */
> #define IIM_BANK0_BASE (IMX_IIM_BASE + 0x800)
> diff --git a/drivers/net/fec_imx.c b/drivers/net/fec_imx.c
> index 40a7543..c29119c 100644
> --- a/drivers/net/fec_imx.c
> +++ b/drivers/net/fec_imx.c
> @@ -32,6 +32,7 @@
> #include <mach/imx-regs.h>
> #include <clock.h>
> #include <mach/clock.h>
> +#include <mach/generic.h>
> #include <xfuncs.h>
>
> #include "fec_imx.h"
> @@ -235,6 +236,16 @@ static void fec_rbd_clean(int last, struct buffer_descriptor *pRbd)
>
> static int fec_get_hwaddr(struct eth_device *dev, unsigned char *mac)
> {
> + int i;
> +
> + if (cpu_is_mx25()) {
> + /* get MAC address from the IMM fusebox */
> + for (i = 0; i < 6; i++)
> + mac[i] = readb(IMX_IIM_BASE + IIM_MAC_ADDR + i*4);
> +
> + return 0;
> + }
> +
> /* no eeprom */
> return -1;
> }
> --
> 1.7.1
>
>
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