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Diffstat (limited to 'include/asm-sh/dreamcast/dma.h')
| -rw-r--r-- | include/asm-sh/dreamcast/dma.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/asm-sh/dreamcast/dma.h b/include/asm-sh/dreamcast/dma.h new file mode 100644 index 000000000000..ddd68e788705 --- /dev/null +++ b/include/asm-sh/dreamcast/dma.h @@ -0,0 +1,34 @@ +/* + * include/asm-sh/dreamcast/dma.h + * + * 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 __ASM_SH_DREAMCAST_DMA_H +#define __ASM_SH_DREAMCAST_DMA_H + +/* Number of DMA channels */ +#define ONCHIP_NR_DMA_CHANNELS 4 +#define G2_NR_DMA_CHANNELS 4 +#define PVR2_NR_DMA_CHANNELS 1 + +/* Channels for cascading */ +#define PVR2_CASCADE_CHAN 2 +#define G2_CASCADE_CHAN 3 + +/* PVR2 DMA Registers */ +#define PVR2_DMA_BASE 0xa05f6800 +#define PVR2_DMA_ADDR (PVR2_DMA_BASE + 0) +#define PVR2_DMA_COUNT (PVR2_DMA_BASE + 4) +#define PVR2_DMA_MODE (PVR2_DMA_BASE + 8) +#define PVR2_DMA_LMMODE0 (PVR2_DMA_BASE + 132) +#define PVR2_DMA_LMMODE1 (PVR2_DMA_BASE + 136) + +/* G2 DMA Register */ +#define G2_DMA_BASE 0xa05f7800 + +#endif /* __ASM_SH_DREAMCAST_DMA_H */ + |