Blackfin: bfin_dma.h: start a header for DMA MMR layout

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/include/asm/dma.h b/arch/blackfin/include/asm/dma.h
index eedf3ca..be862e7 100644
--- a/arch/blackfin/include/asm/dma.h
+++ b/arch/blackfin/include/asm/dma.h
@@ -14,40 +14,7 @@
 #include <asm/blackfin.h>
 #include <asm/page.h>
 #include <asm-generic/dma.h>
-
-/* DMA_CONFIG Masks */
-#define DMAEN			0x0001	/* DMA Channel Enable */
-#define WNR				0x0002	/* Channel Direction (W/R*) */
-#define WDSIZE_8		0x0000	/* Transfer Word Size = 8 */
-#define WDSIZE_16		0x0004	/* Transfer Word Size = 16 */
-#define WDSIZE_32		0x0008	/* Transfer Word Size = 32 */
-#define DMA2D			0x0010	/* DMA Mode (2D/1D*) */
-#define RESTART			0x0020	/* DMA Buffer Clear */
-#define DI_SEL			0x0040	/* Data Interrupt Timing Select */
-#define DI_EN			0x0080	/* Data Interrupt Enable */
-#define NDSIZE_0		0x0000	/* Next Descriptor Size = 0 (Stop/Autobuffer) */
-#define NDSIZE_1		0x0100	/* Next Descriptor Size = 1 */
-#define NDSIZE_2		0x0200	/* Next Descriptor Size = 2 */
-#define NDSIZE_3		0x0300	/* Next Descriptor Size = 3 */
-#define NDSIZE_4		0x0400	/* Next Descriptor Size = 4 */
-#define NDSIZE_5		0x0500	/* Next Descriptor Size = 5 */
-#define NDSIZE_6		0x0600	/* Next Descriptor Size = 6 */
-#define NDSIZE_7		0x0700	/* Next Descriptor Size = 7 */
-#define NDSIZE_8		0x0800	/* Next Descriptor Size = 8 */
-#define NDSIZE_9		0x0900	/* Next Descriptor Size = 9 */
-#define NDSIZE			0x0f00	/* Next Descriptor Size */
-#define DMAFLOW			0x7000	/* Flow Control */
-#define DMAFLOW_STOP	0x0000	/* Stop Mode */
-#define DMAFLOW_AUTO	0x1000	/* Autobuffer Mode */
-#define DMAFLOW_ARRAY	0x4000	/* Descriptor Array Mode */
-#define DMAFLOW_SMALL	0x6000	/* Small Model Descriptor List Mode */
-#define DMAFLOW_LARGE	0x7000	/* Large Model Descriptor List Mode */
-
-/* DMA_IRQ_STATUS Masks */
-#define DMA_DONE		0x0001	/* DMA Completion Interrupt Status */
-#define DMA_ERR			0x0002	/* DMA Error Interrupt Status */
-#define DFETCH			0x0004	/* DMA Descriptor Fetch Indicator */
-#define DMA_RUN			0x0008	/* DMA Channel Running Indicator */
+#include <asm/bfin_dma.h>
 
 /*-------------------------
  * config reg bits value