X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-sh%2Fcpu-sh3%2Fdma.h;h=954801b46022ec5fe5bdae0389be708f7d7db5fc;hb=cc169158e75d370ff961e5653a326a7ee1688b6b;hp=b972e715f9ee79edd2de73ae1eb2425dd8a9d374;hpb=207e0a826fdee4bfe853681aef2175a739c11286;p=linux-2.6.git

diff --git a/include/asm-sh/cpu-sh3/dma.h b/include/asm-sh/cpu-sh3/dma.h
index b972e715f..954801b46 100644
--- a/include/asm-sh/cpu-sh3/dma.h
+++ b/include/asm-sh/cpu-sh3/dma.h
@@ -3,5 +3,34 @@
 
 #define SH_DMAC_BASE	0xa4000020
 
-#endif /* __ASM_CPU_SH3_DMA_H */
+/* Definitions for the SuperH DMAC */
+#define TM_BURST	0x00000020
+#define TS_8		0x00000000
+#define TS_16		0x00000008
+#define TS_32		0x00000010
+#define TS_128		0x00000018
+
+#define CHCR_TS_MASK	0x18
+#define CHCR_TS_SHIFT	3
+
+#define DMAOR_INIT	DMAOR_DME
 
+/*
+ * The SuperH DMAC supports a number of transmit sizes, we list them here,
+ * with their respective values as they appear in the CHCR registers.
+ */
+enum {
+	XMIT_SZ_8BIT,
+	XMIT_SZ_16BIT,
+	XMIT_SZ_32BIT,
+	XMIT_SZ_128BIT,
+};
+
+static unsigned int ts_shift[] __attribute__ ((used)) = {
+	[XMIT_SZ_8BIT]		= 0,
+	[XMIT_SZ_16BIT]		= 1,
+	[XMIT_SZ_32BIT]		= 2,
+	[XMIT_SZ_128BIT]	= 4,
+};
+
+#endif /* __ASM_CPU_SH3_DMA_H */