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Diffstat (limited to 'arch/sh/drivers/dma/dma-sh.h')
-rw-r--r--arch/sh/drivers/dma/dma-sh.h44
1 files changed, 33 insertions, 11 deletions
diff --git a/arch/sh/drivers/dma/dma-sh.h b/arch/sh/drivers/dma/dma-sh.h
index dd9d547539a..0f591fbc922 100644
--- a/arch/sh/drivers/dma/dma-sh.h
+++ b/arch/sh/drivers/dma/dma-sh.h
@@ -11,6 +11,8 @@
#ifndef __DMA_SH_H
#define __DMA_SH_H
+#include <asm/cpu/dma.h>
+
/* Definitions for the SuperH DMAC */
#define REQ_L 0x00000000
#define REQ_E 0x00080000
@@ -26,27 +28,47 @@
#define SM_DEC 0x00002000
#define RS_IN 0x00000200
#define RS_OUT 0x00000300
-#define TM_BURST 0x0000080
-#define TS_8 0x00000010
-#define TS_16 0x00000020
-#define TS_32 0x00000030
-#define TS_64 0x00000000
#define TS_BLK 0x00000040
#define CHCR_DE 0x00000001
#define CHCR_TE 0x00000002
#define CHCR_IE 0x00000004
-/* Define the default configuration for dual address memory-memory transfer.
- * The 0x400 value represents auto-request, external->external.
- */
-#define RS_DUAL (DM_INC | SM_INC | 0x400 | TS_32)
-
-#define DMAOR_COD 0x00000008
+/* DMAOR definitions */
#define DMAOR_AE 0x00000004
#define DMAOR_NMIF 0x00000002
#define DMAOR_DME 0x00000001
+/*
+ * Define the default configuration for dual address memory-memory transfer.
+ * The 0x400 value represents auto-request, external->external.
+ */
+#define RS_DUAL (DM_INC | SM_INC | 0x400 | TS_32)
+
#define MAX_DMAC_CHANNELS (CONFIG_NR_ONCHIP_DMA_CHANNELS)
+/*
+ * Subtypes that have fewer channels than this simply need to change
+ * CONFIG_NR_ONCHIP_DMA_CHANNELS. Likewise, subtypes with a larger number
+ * of channels should expand on this.
+ *
+ * For most subtypes we can easily figure these values out with some
+ * basic calculation, unfortunately on other subtypes these are more
+ * scattered, so we just leave it unrolled for simplicity.
+ */
+#define SAR ((unsigned long[]){SH_DMAC_BASE + 0x00, SH_DMAC_BASE + 0x10, \
+ SH_DMAC_BASE + 0x20, SH_DMAC_BASE + 0x30, \
+ SH_DMAC_BASE + 0x50, SH_DMAC_BASE + 0x60})
+#define DAR ((unsigned long[]){SH_DMAC_BASE + 0x04, SH_DMAC_BASE + 0x14, \
+ SH_DMAC_BASE + 0x24, SH_DMAC_BASE + 0x34, \
+ SH_DMAC_BASE + 0x54, SH_DMAC_BASE + 0x64})
+#define DMATCR ((unsigned long[]){SH_DMAC_BASE + 0x08, SH_DMAC_BASE + 0x18, \
+ SH_DMAC_BASE + 0x28, SH_DMAC_BASE + 0x38, \
+ SH_DMAC_BASE + 0x58, SH_DMAC_BASE + 0x68})
+#define CHCR ((unsigned long[]){SH_DMAC_BASE + 0x0c, SH_DMAC_BASE + 0x1c, \
+ SH_DMAC_BASE + 0x2c, SH_DMAC_BASE + 0x3c, \
+ SH_DMAC_BASE + 0x5c, SH_DMAC_BASE + 0x6c})
+
+#define DMAOR (SH_DMAC_BASE + 0x40)
+
#endif /* __DMA_SH_H */