[U-Boot] [PATCH] powerpc/mpc85xx:Disable Debug TLB entry for non-minimal SPL

[Scott Wood]

On 06/25/2013 12:03:56 AM, Prabhakar Kushwaha wrote:
> CONFIG_SPL_BUILD creates debug TLB entry, so disable it before  
> init_tlbs.
> 
> CONFIG_SPL_INIT_MINIMAL never creates any debug TLB entry, so no need
> of disable_tlb().
> 
> Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
> ---
>  arch/powerpc/cpu/mpc85xx/cpu_init_early.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init_early.c  
> b/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
> index 837c034..0cb2717 100644
> --- a/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
> +++ b/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
> @@ -180,7 +180,8 @@ void cpu_init_early_f(void)
> 
>  	invalidate_tlb(1);
> 
> -#if defined(CONFIG_SYS_PPC_E500_DEBUG_TLB) &&  
> !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NAND_SPL)
> +#if defined(CONFIG_SYS_PPC_E500_DEBUG_TLB) && \
> +		!defined(CONFIG_SPL_INIT_MINIMAL) &&  
> !defined(CONFIG_NAND_SPL)
>  	disable_tlb(CONFIG_SYS_PPC_E500_DEBUG_TLB);
>  #endif

This fails to clear the debug TLB in non-SPL_BUILD portion of a build  
that has CONFIG_SPL_INIT_MINIMAL set.

-Scott