[PATCH 2/7] [RFC] ARM: shmobile: remove unneeded hack to calculate zreladdr
Paul Mundt
lethal at linux-sh.org
Tue Sep 14 04:08:29 EDT 2010
On Fri, Sep 03, 2010 at 11:56:53AM +0200, Uwe Kleine-K??nig wrote:
> -config MEMORY_START
> - hex "Physical memory start address"
> - default "0x50000000" if MACH_G3EVM
> - default "0x40000000" if MACH_G4EVM
> - default "0x40000000" if MACH_AP4EVB
> - default "0x00000000"
> - ---help---
> - Tweak this only when porting to a new machine which does not
> - already have a defconfig. Changing it from the known correct
> - value on any of the known systems will only lead to disaster.
> -
[snip]
> -#define PHYS_OFFSET UL(CONFIG_MEMORY_START)
> +#define SH7367_PHYS_OFFSET UL(0x50000000)
> +#define SH7372_PHYS_OFFSET UL(0x40000000)
> +#define SH7377_PHYS_OFFSET UL(0x40000000)
> +
> +#if !defined(CONFIG_RUNTIME_PHYS_OFFSET)
> +# if defined(CONFIG_ARCH_SH7367)
> +# define PHYS_OFFSET SH7367_PHYS_OFFSET
> +# elif defined(CONFIG_ARCH_SH7372)
> +# define PHYS_OFFSET SH7372_PHYS_OFFSET
> +# elif defined(CONFIG_ARCH_SH7377)
> +# define PHYS_OFFSET SH7377_PHYS_OFFSET
> +# endif
> +#endif /* if !defined(CONFIG_RUNTIME_PHYS_OFFSET) */
> +
You've taken a board-specific property and made it CPU-specific. There is
nothing about these CPUs that mandates memory starting here, it just
happens that for the moment we have 1 board per CPU, but that's not an
assumption we can really bank on.
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