[U-Boot] [PATCH 07/12] sniper: Serial number support, obtained from die ID

[Tom Rini]

On Mon, Jul 20, 2015 at 03:17:13PM +0200, Paul Kocialkowski wrote:

> The OMAP3 has some die-specific ID bits that we can use to give the device a
> (more or less) unique serial number. This is particularly useful for e.g. USB.
> 
> Signed-off-by: Paul Kocialkowski <contact at paulk.fr>
> ---
>  board/lge/sniper/sniper.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/board/lge/sniper/sniper.c b/board/lge/sniper/sniper.c
> index 44d422d..f26855d 100644
> --- a/board/lge/sniper/sniper.c
> +++ b/board/lge/sniper/sniper.c
> @@ -70,7 +70,9 @@ int board_init(void)
>  
>  int misc_init_r(void)
>  {
> +	char serial_string[17] = { 0 };
>  	char reboot_mode[2] = { 0 };
> +	u32 dieid[4] = { 0 };
>  
>  	/* Reboot mode */
>  
> @@ -82,6 +84,17 @@ int misc_init_r(void)
>  		omap_reboot_mode_clear();
>  	}
>  
> +	/* Serial number */
> +
> +	get_dieid((u32 *)&dieid);
> +
> +	if (!getenv("serial#")) {
> +		snprintf(serial_string, sizeof(serial_string),
> +			"%08x%08x", dieid[0], dieid[3]);
> +
> +		setenv("serial#", serial_string);
> +	}
> +
>  	return 0;
>  }

Shouldn't this be in more generic code so everyone gets this set now?
Thanks!

-- 
Tom
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