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>

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index fef96f47876c..2baa4938d741 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -1009,6 +1009,12 @@ config HAVE_PWM
 choice
         prompt "Uncached DMA region"
         default DMA_UNCACHED_1M
+config DMA_UNCACHED_32M
+        bool "Enable 32M DMA region"
+config DMA_UNCACHED_16M
+        bool "Enable 16M DMA region"
+config DMA_UNCACHED_8M
+        bool "Enable 8M DMA region"
 config DMA_UNCACHED_4M
         bool "Enable 4M DMA region"
 config DMA_UNCACHED_2M