diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index fef96f47876cd0e07364323008d7ad29805bd198..2baa4938d74134706e6a4363f1dae976e89fffb0 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
diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h
index 608be5e6d25c50c69202f7101e9e8061e8148681..dc47d79287f981278211405c364d7f5afdfdbd81 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)