[U-Boot] [PATCH V2 1/2] ARM: rpi_b: query internal MAC address from firmware

[Marek Vasut]

On Saturday, September 27, 2014 at 04:51:39 AM, Stephen Warren wrote:
> The built-in SMSC 95xx chip doesn't know its own MAC address. Instead,
> we must query it from the VC firmware; it's probably encoded in fuses
> on the BCM2835.
> 
> Signed-off-by: Stephen Warren <swarren at wwwdotorg.org>
> ---
> v2: Don't set usbethaddr if it's already set
> ---
>  arch/arm/include/asm/arch-bcm2835/mbox.h | 14 ++++++++++++++
>  board/raspberrypi/rpi_b/rpi_b.c          | 29
> +++++++++++++++++++++++++++++ include/configs/rpi_b.h                  | 
> 1 +
>  3 files changed, 44 insertions(+)
> 
> diff --git a/arch/arm/include/asm/arch-bcm2835/mbox.h
> b/arch/arm/include/asm/arch-bcm2835/mbox.h index dded857..61f427d 100644
> --- a/arch/arm/include/asm/arch-bcm2835/mbox.h
> +++ b/arch/arm/include/asm/arch-bcm2835/mbox.h
> @@ -119,6 +119,20 @@ struct bcm2835_mbox_tag_hdr {
>   * };
>   */
> 
> +#define BCM2835_MBOX_TAG_GET_MAC_ADDRESS	0x00010003
> +
> +struct bcm2835_mbox_tag_get_mac_address {
> +	struct bcm2835_mbox_tag_hdr tag_hdr;
> +	union {
> +		struct {
> +		} req;
> +		struct {
> +			u8 mac[6];
> +			u8 pad[2];
> +		} resp;

Well, can't this be a simple u32 here ?

[...]

Who will pick this series , shall I pick it ?

Best regards,
Marek Vasut