Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef __ASM_CPU_SH4_DMA_H |
| 2 | #define __ASM_CPU_SH4_DMA_H |
| 3 | |
Paul Mundt | 5283ecb | 2006-09-27 15:59:17 +0900 | [diff] [blame] | 4 | #define DMAOR_INIT ( 0x8000 | DMAOR_DME ) |
| 5 | |
Manuel Lauss | 9f8a5e3 | 2007-01-25 15:22:11 +0900 | [diff] [blame] | 6 | /* SH7751/7760/7780 DMA IRQ sources */ |
| 7 | #define DMTE0_IRQ 34 |
| 8 | #define DMTE1_IRQ 35 |
| 9 | #define DMTE2_IRQ 36 |
| 10 | #define DMTE3_IRQ 37 |
| 11 | #define DMTE4_IRQ 44 |
| 12 | #define DMTE5_IRQ 45 |
| 13 | #define DMTE6_IRQ 46 |
| 14 | #define DMTE7_IRQ 47 |
| 15 | #define DMAE_IRQ 38 |
| 16 | |
Paul Mundt | 0d83177 | 2006-01-16 22:14:09 -0800 | [diff] [blame] | 17 | #ifdef CONFIG_CPU_SH4A |
| 18 | #define SH_DMAC_BASE 0xfc808020 |
Paul Mundt | 5283ecb | 2006-09-27 15:59:17 +0900 | [diff] [blame] | 19 | |
| 20 | #define CHCR_TS_MASK 0x18 |
| 21 | #define CHCR_TS_SHIFT 3 |
| 22 | |
| 23 | #include <asm/cpu/dma-sh7780.h> |
Paul Mundt | 0d83177 | 2006-01-16 22:14:09 -0800 | [diff] [blame] | 24 | #else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | #define SH_DMAC_BASE 0xffa00000 |
| 26 | |
Paul Mundt | 0d83177 | 2006-01-16 22:14:09 -0800 | [diff] [blame] | 27 | /* Definitions for the SuperH DMAC */ |
| 28 | #define TM_BURST 0x0000080 |
| 29 | #define TS_8 0x00000010 |
| 30 | #define TS_16 0x00000020 |
| 31 | #define TS_32 0x00000030 |
| 32 | #define TS_64 0x00000000 |
| 33 | |
Adrian McMenamin | 5d9df8e | 2007-10-08 05:19:36 +0900 | [diff] [blame^] | 34 | #define CHCR_TS_MASK 0x70 |
Paul Mundt | 0d83177 | 2006-01-16 22:14:09 -0800 | [diff] [blame] | 35 | #define CHCR_TS_SHIFT 4 |
| 36 | |
| 37 | #define DMAOR_COD 0x00000008 |
| 38 | |
Paul Mundt | 0d83177 | 2006-01-16 22:14:09 -0800 | [diff] [blame] | 39 | /* |
| 40 | * The SuperH DMAC supports a number of transmit sizes, we list them here, |
| 41 | * with their respective values as they appear in the CHCR registers. |
| 42 | * |
| 43 | * Defaults to a 64-bit transfer size. |
| 44 | */ |
| 45 | enum { |
| 46 | XMIT_SZ_64BIT, |
| 47 | XMIT_SZ_8BIT, |
| 48 | XMIT_SZ_16BIT, |
| 49 | XMIT_SZ_32BIT, |
| 50 | XMIT_SZ_256BIT, |
| 51 | }; |
| 52 | |
| 53 | /* |
| 54 | * The DMA count is defined as the number of bytes to transfer. |
| 55 | */ |
David Rientjes | d16aaffa | 2007-05-09 02:35:28 -0700 | [diff] [blame] | 56 | static unsigned int ts_shift[] __maybe_unused = { |
Paul Mundt | 0d83177 | 2006-01-16 22:14:09 -0800 | [diff] [blame] | 57 | [XMIT_SZ_64BIT] = 3, |
| 58 | [XMIT_SZ_8BIT] = 0, |
| 59 | [XMIT_SZ_16BIT] = 1, |
| 60 | [XMIT_SZ_32BIT] = 2, |
| 61 | [XMIT_SZ_256BIT] = 5, |
| 62 | }; |
Paul Mundt | 5283ecb | 2006-09-27 15:59:17 +0900 | [diff] [blame] | 63 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | |
| 65 | #endif /* __ASM_CPU_SH4_DMA_H */ |