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authorCliff Cai <cliff.cai@analog.com>2008-05-17 10:36:52 +0200
committerBryan Wu <cooloney@kernel.org>2008-05-17 10:36:52 +0200
commit86ad79321cbacdc4deebcde81849d19e26dd18e2 (patch)
tree882410e4f212f064544697bf38242b943520f3a2 /arch/blackfin
parentBlackfin arch: cleanup the icplb/dcplb multiple hit checks (diff)
downloadlinux-86ad79321cbacdc4deebcde81849d19e26dd18e2.tar.xz
linux-86ad79321cbacdc4deebcde81849d19e26dd18e2.zip
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 'arch/blackfin')
-rw-r--r--arch/blackfin/Kconfig2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 785d8b4fa0cb..b87634e75f20 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -685,6 +685,8 @@ choice
prompt "Uncached SDRAM region"
default DMA_UNCACHED_1M
depends on BFIN_DMA_5XX
+config DMA_UNCACHED_4M
+ bool "Enable 4M DMA region"
config DMA_UNCACHED_2M
bool "Enable 2M DMA region"
config DMA_UNCACHED_1M