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Diffstat (limited to 'arch/sh/drivers/dma/dma-sh.h')
-rw-r--r--arch/sh/drivers/dma/dma-sh.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/sh/drivers/dma/dma-sh.h b/arch/sh/drivers/dma/dma-sh.h
new file mode 100644
index 00000000000..dd9d547539a
--- /dev/null
+++ b/arch/sh/drivers/dma/dma-sh.h
@@ -0,0 +1,52 @@
+/*
+ * arch/sh/drivers/dma/dma-sh.h
+ *
+ * Copyright (C) 2000 Takashi YOSHII
+ * Copyright (C) 2003 Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#ifndef __DMA_SH_H
+#define __DMA_SH_H
+
+/* Definitions for the SuperH DMAC */
+#define REQ_L 0x00000000
+#define REQ_E 0x00080000
+#define RACK_H 0x00000000
+#define RACK_L 0x00040000
+#define ACK_R 0x00000000
+#define ACK_W 0x00020000
+#define ACK_H 0x00000000
+#define ACK_L 0x00010000
+#define DM_INC 0x00004000
+#define DM_DEC 0x00008000
+#define SM_INC 0x00001000
+#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
+#define DMAOR_AE 0x00000004
+#define DMAOR_NMIF 0x00000002
+#define DMAOR_DME 0x00000001
+
+#define MAX_DMAC_CHANNELS (CONFIG_NR_ONCHIP_DMA_CHANNELS)
+
+#endif /* __DMA_SH_H */
+