[PATCH 4/10 v2] Guard L3CR references with CPU_FTR_L3CR.
Benjamin Herrenschmidt
benh at kernel.crashing.org
Fri Jun 9 14:17:59 EST 2006
On Thu, 2006-06-08 at 16:58 -0500, Jon Loeliger wrote:
> Signed-off-by: Jon Loeliger <jdl at freescale.com>
Beware about this one... the CPU setup code might run before the feature
fixup in the future... you should probably do a separate setup function
for your core or go read the feature bit directly in the structure
rather than relying on the fixup mecanism.
> ---
>
> arch/powerpc/kernel/cpu_setup_6xx.S | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
>
> diff --git a/arch/powerpc/kernel/cpu_setup_6xx.S b/arch/powerpc/kernel/cpu_setup_6xx.S
> index 55ed771..365381f 100644
> --- a/arch/powerpc/kernel/cpu_setup_6xx.S
> +++ b/arch/powerpc/kernel/cpu_setup_6xx.S
> @@ -210,9 +210,11 @@ setup_745x_specifics:
> * the firmware. If any, we disable NAP capability as
> * it's known to be bogus on rev 2.1 and earlier
> */
> +BEGIN_FTR_SECTION
> mfspr r11,SPRN_L3CR
> andis. r11,r11,L3CR_L3E at h
> beq 1f
> +END_FTR_SECTION_IFSET(CPU_FTR_L3CR)
> lwz r6,CPU_SPEC_FEATURES(r5)
> andi. r0,r6,CPU_FTR_L3_DISABLE_NAP
> beq 1f
>
>
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