[U-Boot] [PATCH 3/3] nios2: add flush_dcache_range function

Thomas Chou thomas at wytron.com.tw
Thu Nov 10 10:10:16 CET 2011


On 11/04/2011 08:38 PM, Stefan Kristiansson wrote:
> exposes functionality to flush dcache according to
> the common.h API
>
> Signed-off-by: Stefan Kristiansson<stefan.kristiansson at saunalahti.fi>
> Cc: Thomas Chou<thomas at wytron.com.tw>
> ---
>   arch/nios2/lib/cache.S |   10 ++++++++++
>   1 files changed, 10 insertions(+), 0 deletions(-)
>

Hi Stefan,

Applied to nios next branch. Thanks.

Best regards,
Thomas


> diff --git a/arch/nios2/lib/cache.S b/arch/nios2/lib/cache.S
> index ee3b4b7..b952d0c 100644
> --- a/arch/nios2/lib/cache.S
> +++ b/arch/nios2/lib/cache.S
> @@ -48,6 +48,16 @@ flush_icache:
>   	bltu	r4, r5, 1b
>   	ret
>
> +	.global flush_dcache_range
> +
> +flush_dcache_range:
> +	movhi	r8, %hi(CONFIG_SYS_DCACHELINE_SIZE)
> +	ori	r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE)
> +0:	flushd	0(r4)
> +	add	r4, r4, r8
> +	bltu	r4, r5, 0b
> +	ret
> +
>   	.global flush_cache
>
>   flush_cache:



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