#ifndef __ASM_CPU_SH4_DMA_H #define __ASM_CPU_SH4_DMA_H /* SH7751/7760/7780 DMA IRQ sources */ #ifdef CONFIG_CPU_SH4A #define DMAOR_INIT (DMAOR_DME) #define CHCR_TS_MASK 0x18 #define CHCR_TS_SHIFT 3 #include #else /* CONFIG_CPU_SH4A */ /* * SH7750/SH7751/SH7760 */ #define DMTE0_IRQ 34 #define DMTE4_IRQ 44 #define DMTE6_IRQ 46 #define DMAE0_IRQ 38 #define DMAOR_INIT (0x8000|DMAOR_DME) #define SH_DMAC_BASE0 0xffa00000 #define SH_DMAC_BASE1 0xffa00070 /* Definitions for the SuperH DMAC */ #define TM_BURST 0x00000080 #define TS_8 0x00000010 #define TS_16 0x00000020 #define TS_32 0x00000030 #define TS_64 0x00000000 #define CHCR_TS_MASK 0x70 #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 */