1/* 2 * linux/include/asm-arm/arch-h720x/dma.h 3 * 4 * Architecture DMA routes 5 * 6 * Copyright (C) 1997.1998 Russell King 7 */ 8#ifndef __ASM_ARCH_DMA_H 9#define __ASM_ARCH_DMA_H 10 11/* 12 * This is the maximum DMA address that can be DMAd to. 13 * There should not be more than (0xd0000000 - 0xc0000000) 14 * bytes of RAM. 15 */ 16#define MAX_DMA_ADDRESS 0xd0000000 17 18#if defined(CONFIG_CPU_H7201) 19#define MAX_DMA_CHANNELS 3 20#elif defined(CONFIG_CPU_H7202) 21#define MAX_DMA_CHANNELS 4 22#else 23#error processor definition missmatch 24#endif 25 26#endif /* __ASM_ARCH_DMA_H */ 27