Hello.
On 16-08-2011 14:31, Lukasz Majewski wrote:
> This commit adds support for reading the D cache line size for armv7
> architecture.
> The get_dcache_line_size() function is supposed to work in conjunction
> with memalign call to provide D cache aligned DMA buffers.
> Signed-off-by: Lukasz Majewski<l.majew...@samsung.com>
> Signed-off-by: Kyungmin Park<kyungmin.p...@samsung.com>
> CC: Aneesh V<ane...@ti.com>
> CC: Albert ARIBAUD<albert.u.b...@aribaud.net>
> ---
> Changes for v2:
> - Weak function get_dcache_line_size added to lib/cache.c for non armv7
> architectures
> ---
> arch/arm/cpu/armv7/cache_v7.c | 15 +++++++++++++++
> arch/arm/lib/cache.c | 11 +++++++++++
> include/common.h | 1 +
> 3 files changed, 27 insertions(+), 0 deletions(-)
> diff --git a/arch/arm/cpu/armv7/cache_v7.c b/arch/arm/cpu/armv7/cache_v7.c
> index 3e1e1bf..0ff9a97 100644
> --- a/arch/arm/cpu/armv7/cache_v7.c
> +++ b/arch/arm/cpu/armv7/cache_v7.c
> @@ -246,6 +246,21 @@ static void v7_inval_tlb(void)
> CP15ISB;
> }
>
> +/* Read the cache line size (in bytes) */
> +int get_dcache_line_size(void)
> +{
> + u32 ccsidr, log2_line_len;
An empty line wounldn't hurt here.
> + puts("222\n");
Shouldn't that have been deleted?
WBR, Sergei
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