linux/include/asm-arm/arch-h720x/dma.h

27 lines
549 B
C

/*
* linux/include/asm-arm/arch-h720x/dma.h
*
* Architecture DMA routes
*
* Copyright (C) 1997.1998 Russell King
*/
#ifndef __ASM_ARCH_DMA_H
#define __ASM_ARCH_DMA_H
/*
* This is the maximum DMA address that can be DMAd to.
* There should not be more than (0xd0000000 - 0xc0000000)
* bytes of RAM.
*/
#define MAX_DMA_ADDRESS 0xd0000000
#if defined (CONFIG_CPU_H7201)
#define MAX_DMA_CHANNELS 3
#elif defined (CONFIG_CPU_H7202)
#define MAX_DMA_CHANNELS 4
#else
#error processor definition missmatch
#endif
#endif /* __ASM_ARCH_DMA_H */