[RFC PATCH 2/6] dirty hack, fixme: disable mmu_cache_flush in arch/arm/cpu/start.c for Tegra

[Sascha Hauer]

On Thu, Sep 29, 2011 at 06:04:32PM +0400, Antony Pavlov wrote:
> Initial Tegra support has no initialisation routines, so
> it can't initialise the caches in the right way.

Not nice, but I currently do not see a much better way around this.
I think this is ok for now.

Sascha

> 
> MMU & cache code in arch/arm/cpu/start.c hangs up a Tegra-based system.
> 
> Signed-off-by: Antony Pavlov <antonynpavlov at gmail.com>
> ---
>  arch/arm/cpu/start.c |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/cpu/start.c b/arch/arm/cpu/start.c
> index f8eb0a9..69fb5b0 100644
> --- a/arch/arm/cpu/start.c
> +++ b/arch/arm/cpu/start.c
> @@ -74,6 +74,8 @@ void __naked __bare_init reset(void)
>  #ifdef CONFIG_ARCH_HAS_LOWLEVEL_INIT
>  	arch_init_lowlevel();
>  #endif
> +
> +#ifndef CONFIG_ARCH_TEGRA
>  	__asm__ __volatile__ (
>  		"bl __mmu_cache_flush;"
>  		:
> @@ -89,6 +91,7 @@ void __naked __bare_init reset(void)
>  	r |= CR_B;
>  #endif
>  	set_cr(r);
> +#endif
>  
>  #ifdef CONFIG_MACH_DO_LOWLEVEL_INIT
>  	board_init_lowlevel();
> -- 
> 1.7.6.3
> 
> 
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