diff options
| author | Cliff Cai <cliff.cai@analog.com> | 2008-05-17 04:36:52 -0400 |
|---|---|---|
| committer | Bryan Wu <cooloney@kernel.org> | 2008-05-17 04:36:52 -0400 |
| commit | 86ad79321cbacdc4deebcde81849d19e26dd18e2 (patch) | |
| tree | 882410e4f212f064544697bf38242b943520f3a2 /include/asm-blackfin | |
| parent | c6c6f75d54ca734c409e336245662934c21fcee0 (diff) | |
Blackfin arch: enable a choice to provide 4M DMA memory
support two cascaded AD73322 cards, more uncached DMA
memory is needed, so add a choice to provide 4M DMA memory
Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'include/asm-blackfin')
| -rw-r--r-- | include/asm-blackfin/bfin-global.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/asm-blackfin/bfin-global.h b/include/asm-blackfin/bfin-global.h index 716df7c85923..a9248d883675 100644 --- a/include/asm-blackfin/bfin-global.h +++ b/include/asm-blackfin/bfin-global.h | |||
| @@ -37,7 +37,9 @@ | |||
| 37 | #include <linux/linkage.h> | 37 | #include <linux/linkage.h> |
| 38 | #include <linux/types.h> | 38 | #include <linux/types.h> |
| 39 | 39 | ||
| 40 | #if defined(CONFIG_DMA_UNCACHED_2M) | 40 | #if defined(CONFIG_DMA_UNCACHED_4M) |
| 41 | # define DMA_UNCACHED_REGION (4 * 1024 * 1024) | ||
| 42 | #elif defined(CONFIG_DMA_UNCACHED_2M) | ||
| 41 | # define DMA_UNCACHED_REGION (2 * 1024 * 1024) | 43 | # define DMA_UNCACHED_REGION (2 * 1024 * 1024) |
| 42 | #elif defined(CONFIG_DMA_UNCACHED_1M) | 44 | #elif defined(CONFIG_DMA_UNCACHED_1M) |
| 43 | # define DMA_UNCACHED_REGION (1024 * 1024) | 45 | # define DMA_UNCACHED_REGION (1024 * 1024) |