[U-Boot] [PATCH 1/2] powerpc/mpc83xx: Zero boot_flags arg for calling board_init_f()

[York Sun]

On 10/03/2014 02:45 AM, Valentin Longchamp wrote:
> The argument boot_flags of board_init_f() is not used at all in the
> powerpc specific board.c init sequence. Now with the generic init
> sequence, this boot_flags arg is used by board_init_f().
> 
> This patch sets the r3 register that is used to pass the boot_flags
> argument from the start.S board_init_f() call to 0 prior to the function
> call to avoid unknown content to end up in gd->flags.
> 
> Signed-off-by: Valentin Longchamp <valentin.longchamp at keymile.com>
> ---
> 
>  arch/powerpc/cpu/mpc83xx/start.S | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/powerpc/cpu/mpc83xx/start.S b/arch/powerpc/cpu/mpc83xx/start.S
> index 36724e5..8abb3f1 100644
> --- a/arch/powerpc/cpu/mpc83xx/start.S
> +++ b/arch/powerpc/cpu/mpc83xx/start.S
> @@ -283,6 +283,7 @@ in_flash:
>  	bl	cpu_init_f
>  
>  	/* run 1st part of board init code (in Flash)*/
> +	li	r3, 0		/* clear boot_flag for calling board_init_f */
>  	bl	board_init_f
>  
>  	/* NOTREACHED - board_init_f() does not return */
> 

Kim,

This is for 83xx. I think the patch is OK. I can take it in along with other
patches when the merge window opens if you are OK.

York