/* * linux/include/asm-arm/arch-ebsa285/dma.h * * Architecture DMA routines * * Copyright (C) 1998,1999 Russell King * Copyright (C) 1998,1999 Philip Blundell */ #ifndef __ASM_ARCH_DMA_H #define __ASM_ARCH_DMA_H /* * This is the maximum DMA address that can be DMAd to. */ #define MAX_DMA_ADDRESS 0xffffffff /* * The 21285 has two internal DMA channels; we call these 8 and 9. * On CATS hardware we have an additional eight ISA dma channels * numbered 0..7. */ #define _ISA_DMA(x) (0+(x)) #define _DC21285_DMA(x) (8+(x)) #define MAX_DMA_CHANNELS 10 #define DMA_FLOPPY _ISA_DMA(2) #define DMA_ISA_CASCADE _ISA_DMA(4) #endif /* _ASM_ARCH_DMA_H */
