On Nov 16, 2007, at 11:29 AM, Josh Boyer wrote:

> This fixes arch/ppc 440EP platforms to setup the FPU correctly.  A  
> virtual
> PVR is used, as 440GR platforms share an identical hardware PVR  
> value and do
> not have an FPU.
>
> Signed-off-by: Josh Boyer <[EMAIL PROTECTED]>
> Index: linux-2.6/arch/ppc/kernel/setup.c
> ===================================================================
> --- linux-2.6.orig/arch/ppc/kernel/setup.c
> +++ linux-2.6/arch/ppc/kernel/setup.c
> @@ -312,7 +312,14 @@ early_init(int r3, int r4, int r5)
>        * Identify the CPU type and fix up code sections
>        * that depend on which cpu we have.
>        */
> +#if defined(CONFIG_440EP) && defined(CONFIG_PPC_FPU)
> +     /* We pass the virtual PVR here for 440EP as 440EP and 440GR have
> +      * identical PVRs and there is no reliable way to check for the FPU
> +      */
> +     spec = identify_cpu(offset, (mfspr(SPRN_PVR) | 0x8));
> +#else
>       spec = identify_cpu(offset, mfspr(SPRN_PVR));
> +#endif
>       do_feature_fixups(spec->cpu_features,
>                         PTRRELOC(&__start___ftr_fixup),
>                         PTRRELOC(&__stop___ftr_fixup));

Are we really adding support for new processors to arch/ppc?

- k
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