| #ifndef __ASM_CPU_SH3_DMA_H |
| #define __ASM_CPU_SH3_DMA_H |
| |
| |
| #if defined(CONFIG_CPU_SUBTYPE_SH7720) || \ |
| defined(CONFIG_CPU_SUBTYPE_SH7721) || \ |
| defined(CONFIG_CPU_SUBTYPE_SH7709) |
| #define SH_DMAC_BASE 0xa4010020 |
| |
| #define DMTE0_IRQ 48 |
| #define DMTE1_IRQ 49 |
| #define DMTE2_IRQ 50 |
| #define DMTE3_IRQ 51 |
| #define DMTE4_IRQ 76 |
| #define DMTE5_IRQ 77 |
| |
| #else |
| #define SH_DMAC_BASE 0xa4000020 |
| #endif |
| |
| /* 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[] __maybe_unused = { |
| [XMIT_SZ_8BIT] = 0, |
| [XMIT_SZ_16BIT] = 1, |
| [XMIT_SZ_32BIT] = 2, |
| [XMIT_SZ_128BIT] = 4, |
| }; |
| |
| #endif /* __ASM_CPU_SH3_DMA_H */ |