[U-Boot] [PATCH v2 1/9] powerpc, mpc8xx: clear top of stack

[Joakim Tjernlund]

On Wed, 2018-11-21 at 08:51 +0000, Christophe Leroy wrote:
> 
> Reported-by: Joakim Tjernlund <Joakim.Tjernlund at infinera.com>
> Signed-off-by: Christophe Leroy <christophe.leroy at c-s.fr>

Reviewed-by: Joakim Tjernlund <Joakim.Tjernlund at infinera.com>

Leroy, if you need space, you may want to revive:
 https://github.com/u-boot/u-boot/commit/39768f7715ed637ef02f49fc7de664cc1aaf14b3#diff-e2f25eeee512eac55747ede53068dd1e
it got reverted as some odd 8xx boards broke. I think these are gone now.

 Jocke
> ---
>  arch/powerpc/cpu/mpc8xx/start.S | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/powerpc/cpu/mpc8xx/start.S b/arch/powerpc/cpu/mpc8xx/start.S
> index 8dde4beeea1..b8bdaaec2fa 100644
> --- a/arch/powerpc/cpu/mpc8xx/start.S
> +++ b/arch/powerpc/cpu/mpc8xx/start.S
> @@ -144,9 +144,11 @@ in_flash:
>         ori     r2, r2, CONFIG_SYS_DER at l
>         mtspr   DER, r2
> 
> -       /* set up the stack in internal DPRAM */
> +       /* set up the stack on top of internal DPRAM */
>         lis     r3, (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE)@h
>         ori     r3, r3, (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE)@l
> +       stw     r0, -4(r3)
> +       stw     r0, -8(r3)
>         addi    r1, r3, -8
> 
>         bl      board_init_f_alloc_reserve
> --
> 2.13.3
> 
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