| #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 */ |