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| author | Scott Jiang <scott.jiang.linux@gmail.com> | 2012-05-18 22:27:22 +0200 |
|---|---|---|
| committer | Bob Liu <lliubbo@gmail.com> | 2012-07-24 07:39:48 +0200 |
| commit | c8d11a06bf8242d5d6ff86fa2514c4f50cb847fb (patch) | |
| tree | e397eaf4ee43581f3217464899c7ebd1fab26155 /arch/blackfin/include | |
| parent | bf609: change ad7877 cs and irq pin (diff) | |
| download | linux-c8d11a06bf8242d5d6ff86fa2514c4f50cb847fb.tar.xz linux-c8d11a06bf8242d5d6ff86fa2514c4f50cb847fb.zip | |
bfin: add 32M, 16M and 8M uncached DMA region options
We need larger DMA region to support HD video.
Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Diffstat (limited to 'arch/blackfin/include')
| -rw-r--r-- | arch/blackfin/include/asm/bfin-global.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h index 608be5e6d25c..dc47d79287f9 100644 --- a/arch/blackfin/include/asm/bfin-global.h +++ b/arch/blackfin/include/asm/bfin-global.h @@ -14,7 +14,13 @@ #include <linux/linkage.h> #include <linux/types.h> -#if defined(CONFIG_DMA_UNCACHED_4M) +#if defined(CONFIG_DMA_UNCACHED_32M) +# define DMA_UNCACHED_REGION (32 * 1024 * 1024) +#elif defined(CONFIG_DMA_UNCACHED_16M) +# define DMA_UNCACHED_REGION (16 * 1024 * 1024) +#elif defined(CONFIG_DMA_UNCACHED_8M) +# define DMA_UNCACHED_REGION (8 * 1024 * 1024) +#elif defined(CONFIG_DMA_UNCACHED_4M) # define DMA_UNCACHED_REGION (4 * 1024 * 1024) #elif defined(CONFIG_DMA_UNCACHED_2M) # define DMA_UNCACHED_REGION (2 * 1024 * 1024) |