can't boot mpc5200, powerpc: Enable AT_BASE_PLATFORM aux vector

[Nathan Lynch]

Jon Smirl wrote:
> I've lost my ability to boot on the mpc5200. Reverting this patch fixes it.

How does it fail?


> @@ -1652,6 +1655,14 @@ struct cpu_spec * __init identify_cpu(unsigned
> long offset, unsigned int pvr)
>  			} else
>  				*t = *s;
>  			*PTRRELOC(&cur_cpu_spec) = &the_cpu_spec;
> +
> +			/*
> +			 * Set the base platform string once; assumes
> +			 * we're called with real pvr first.
> +			 */
> +			if (powerpc_base_platform == NULL)
> +				powerpc_base_platform = t->platform;
> +

Hmm, maybe this needs RELOC/PTRRELOC tricks?