[PATCH v2 4/8] powerpc/fsl_booke: set the tlb entry for the kernel address in AS1

[Kevin Hao]

On Fri, Jul 26, 2013 at 06:37:10PM -0500, Scott Wood wrote:
> On 07/04/2013 07:54:10 AM, Kevin Hao wrote:
> >--- a/arch/powerpc/kernel/head_fsl_booke.S

<snip>

> >+++ b/arch/powerpc/kernel/head_fsl_booke.S
> >@@ -1172,6 +1172,87 @@ __secondary_hold_acknowledge:
> > #endif
> >
> > /*
> >+ * Create a tbl entry
> 
> s/tbl/tlb/

Fixed.

> 
> >diff --git a/arch/powerpc/mm/fsl_booke_mmu.c
> >b/arch/powerpc/mm/fsl_booke_mmu.c
> >index 5fe271c..8f60ef8 100644
> >--- a/arch/powerpc/mm/fsl_booke_mmu.c
> >+++ b/arch/powerpc/mm/fsl_booke_mmu.c
> >@@ -222,7 +222,9 @@ void __init adjust_total_lowmem(void)
> > 	/* adjust lowmem size to __max_low_memory */
> > 	ram = min((phys_addr_t)__max_low_memory,
> >(phys_addr_t)total_lowmem);
> >
> >+	i = switch_to_as1();
> > 	__max_low_memory = map_mem_in_cams(ram, CONFIG_LOWMEM_CAM_NUM);
> >+	restore_to_as0(i);
> 
> Wouldn't it be simpler to just run out of AS1 from the end of
> fsl_booke_entry_mapping.S, similar to what U-Boot does?  With ESEL
> being changed to something non-conflicting, of course.

This pair of functions will be used by the codes in the following patch.

Thanks,
Kevin
> 
> -Scott
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