[U-Boot] [PATCH v4 1/2] sunxi: Serial number support, obtained from SID bits

[Hans de Goede <hdegoede@redhat.com>]

Hi,

On 28-03-15 18:35, Paul Kocialkowski wrote:
> Signed-off-by: Paul Kocialkowski <contact@paulk.fr>

Thanks, I'm currently busy merging some more patches, once that
is done this patch should show up in u-boot-sunxi/next, and
it will be included in u-boot/master once the merge window
for v2015.07 opens.

Regards,

Hans

> ---
>   board/sunxi/board.c | 33 ++++++++++++++++++++++-----------
>   1 file changed, 22 insertions(+), 11 deletions(-)
>
> diff --git a/board/sunxi/board.c b/board/sunxi/board.c
> index 01b654e..79516bf 100644
> --- a/board/sunxi/board.c
> +++ b/board/sunxi/board.c
> @@ -372,20 +372,31 @@ int g_dnl_board_usb_cable_connected(void)
>   #ifdef CONFIG_MISC_INIT_R
>   int misc_init_r(void)
>   {
> +	char serial_string[17] = { 0 };
>   	unsigned int sid[4];
> +	uint8_t mac_addr[6];
> +	int ret;
> +
> +	ret = sunxi_get_sid(sid);
> +	if (ret == 0 && sid[0] != 0 && sid[3] != 0) {
> +		if (!getenv("ethaddr")) {
> +			/* Non OUI / registered MAC address */
> +			mac_addr[0] = 0x02;
> +			mac_addr[1] = (sid[0] >>  0) & 0xff;
> +			mac_addr[2] = (sid[3] >> 24) & 0xff;
> +			mac_addr[3] = (sid[3] >> 16) & 0xff;
> +			mac_addr[4] = (sid[3] >>  8) & 0xff;
> +			mac_addr[5] = (sid[3] >>  0) & 0xff;
> +
> +			eth_setenv_enetaddr("ethaddr", mac_addr);
> +		}
>
> -	if (!getenv("ethaddr") && sunxi_get_sid(sid) == 0 &&
> -			sid[0] != 0 && sid[3] != 0) {
> -		uint8_t mac_addr[6];
> -
> -		mac_addr[0] = 0x02; /* Non OUI / registered MAC address */
> -		mac_addr[1] = (sid[0] >>  0) & 0xff;
> -		mac_addr[2] = (sid[3] >> 24) & 0xff;
> -		mac_addr[3] = (sid[3] >> 16) & 0xff;
> -		mac_addr[4] = (sid[3] >>  8) & 0xff;
> -		mac_addr[5] = (sid[3] >>  0) & 0xff;
> +		if (!getenv("serial#")) {
> +			snprintf(serial_string, sizeof(serial_string),
> +				"%08x%08x", sid[0], sid[3]);
>
> -		eth_setenv_enetaddr("ethaddr", mac_addr);
> +			setenv("serial#", serial_string);
> +		}
>   	}
>
>   #if defined(CONFIG_MUSB_HOST) || defined(CONFIG_MUSB_GADGET)
>