[RFC 2/3] MIPS: add the initial support for lowlevel init

[Sascha Hauer]

On Sun, May 13, 2012 at 09:24:43PM +0400, Antony Pavlov wrote:
> This commit introduce the initial support for
> machine specific lowlevel initialization
> (e.g. RAM controller or cache memory).
> 
> To return from mach_init_lowlevel() it uses
> explicit mach_init_lowlevel_return label.
> This saves ra register for using inside mach_init_lowlevel()
> 
> Signed-off-by: Antony Pavlov <antonynpavlov at gmail.com>
> ---
>  arch/mips/boot/start.S |    8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/mips/boot/start.S b/arch/mips/boot/start.S
> index 6bf5baa..6db104b 100644
> --- a/arch/mips/boot/start.S
> +++ b/arch/mips/boot/start.S
> @@ -74,6 +74,14 @@ __start:
>  	and	k0, k1
>  	mtc0	k0, CP0_STATUS
>  
> +#ifdef CONFIG_MACH_DO_LOWLEVEL_INIT
> +	b	mach_init_lowlevel
> +	 nop
       ^^^^

Space after tab.

Sascha


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