[PATCH] powerpc: Fix PowerPC 750CL CPU features
galak at kernel.crashing.org
Fri Apr 13 03:06:02 EST 2007
On Apr 12, 2007, at 11:41 AM, Segher Boessenkool wrote:
>> PowerPC 750CL has high BATs. The patch below sets cpu_features to
>> match that.
>> Without it, the original firmware mappings in the high BATs aren't
>> which can cause "odd" address translations to occur.
>> - .cpu_features = CPU_FTRS_750,
>> + .cpu_features = CPU_FTRS_750GX,
> The difference between these two is
> #define CPU_FTRS_750GX (CPU_FTR_DUAL_PLL_750FX |
> #define CPU_FTRS_750 (CPU_FTR_COMMON)
> 750GX excludes COMMON, which seems like a bug. With
> your change, 750CL uses DUAL_PLL_750FX; does it actually
> have that feature?
I agree the 750GX should include COMMON, we probably don't notice
since its never in a SMP system.
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