On Fri, Dec 23, 2011 at 04:15,  <[email protected]> wrote:
> From: Greg Ungerer <[email protected]>
>
> The ColdFire CPU configurations need PAGE_OFFSET_RAW set to the base of
> their RAM. It doesn't matter if they are running with the MMU enabled or
> disabled, it is always set to the base of RAM.
>
> We can keep the choices simple here and key of CONFIG_RAMBASE. If it is
> defined we are on a plaftorm (ColdFire or other non-MMU systems) which
> have a configurable RAM base, just use it.
>
> Reported-by: Alexander Stein <[email protected]>
> Signed-off-by: Greg Ungerer <[email protected]>
> Acked-by: Matt Waddel <[email protected]>
> Acked-by: Kurt Mahan <[email protected]>

Acked-by: Geert Uytterhoeven <[email protected]>

but see below ...

> -#ifdef CONFIG_MMU
> -#ifndef CONFIG_SUN3
> +#if defined(CONFIG_RAMBASE)
> +#define PAGE_OFFSET_RAW                CONFIG_RAMBASE
> +#elif !defined(CONFIG_SUN3)
>  #define PAGE_OFFSET_RAW                0x00000000
>  #else
>  #define PAGE_OFFSET_RAW                0x0E000000
>  #endif
> -#else
> -#define        PAGE_OFFSET_RAW         CONFIG_RAMBASE
> -#endif

To avoid alternating between defined and !defined, I'd suggest writing
it instead like:

#if defined(CONFIG_RAMBASE)
#define PAGE_OFFSET_RAW         CONFIG_RAMBASE
#elif defined(CONFIG_SUN3)
#define PAGE_OFFSET_RAW         0x0E000000
#else
#define PAGE_OFFSET_RAW         0x00000000
#endif

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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