| #ifndef __ASM_CPU_SH4_DMA_H | |
| #define __ASM_CPU_SH4_DMA_H | |
| #define DMAOR_INIT ( 0x8000 | DMAOR_DME ) | |
| /* SH7751/7760/7780 DMA IRQ sources */ | |
| #define DMTE0_IRQ 34 | |
| #define DMTE1_IRQ 35 | |
| #define DMTE2_IRQ 36 | |
| #define DMTE3_IRQ 37 | |
| #define DMTE4_IRQ 44 | |
| #define DMTE5_IRQ 45 | |
| #define DMTE6_IRQ 46 | |
| #define DMTE7_IRQ 47 | |
| #define DMAE_IRQ 38 | |
| #ifdef CONFIG_CPU_SH4A | |
| #define SH_DMAC_BASE 0xfc808020 | |
| #define CHCR_TS_MASK 0x18 | |
| #define CHCR_TS_SHIFT 3 | |
| #include <asm/cpu/dma-sh7780.h> | |
| #else | |
| #define SH_DMAC_BASE 0xffa00000 | |
| /* Definitions for the SuperH DMAC */ | |
| #define TM_BURST 0x0000080 | |
| #define TS_8 0x00000010 | |
| #define TS_16 0x00000020 | |
| #define TS_32 0x00000030 | |
| #define TS_64 0x00000000 | |
| #define CHCR_TS_MASK 0x30 | |
| #define CHCR_TS_SHIFT 4 | |
| #define DMAOR_COD 0x00000008 | |
| /* | |
| * The SuperH DMAC supports a number of transmit sizes, we list them here, | |
| * with their respective values as they appear in the CHCR registers. | |
| * | |
| * Defaults to a 64-bit transfer size. | |
| */ | |
| enum { | |
| XMIT_SZ_64BIT, | |
| XMIT_SZ_8BIT, | |
| XMIT_SZ_16BIT, | |
| XMIT_SZ_32BIT, | |
| XMIT_SZ_256BIT, | |
| }; | |
| /* | |
| * The DMA count is defined as the number of bytes to transfer. | |
| */ | |
| static unsigned int ts_shift[] __maybe_unused = { | |
| [XMIT_SZ_64BIT] = 3, | |
| [XMIT_SZ_8BIT] = 0, | |
| [XMIT_SZ_16BIT] = 1, | |
| [XMIT_SZ_32BIT] = 2, | |
| [XMIT_SZ_256BIT] = 5, | |
| }; | |
| #endif | |
| #endif /* __ASM_CPU_SH4_DMA_H */ |