1/* 2 * linux/include/asm-arm/arch-ebsa285/dma.h 3 * 4 * Architecture DMA routines 5 * 6 * Copyright (C) 1998,1999 Russell King 7 * Copyright (C) 1998,1999 Philip Blundell 8 */ 9#ifndef __ASM_ARCH_DMA_H 10#define __ASM_ARCH_DMA_H 11 12/* 13 * The 21285 has two internal DMA channels; we call these 8 and 9. 14 * On CATS hardware we have an additional eight ISA dma channels 15 * numbered 0..7. 16 */ 17#define _ISA_DMA(x) (0+(x)) 18#define _DC21285_DMA(x) (8+(x)) 19 20#define MAX_DMA_CHANNELS 10 21 22#define DMA_FLOPPY _ISA_DMA(2) 23#define DMA_ISA_CASCADE _ISA_DMA(4) 24 25#endif /* _ASM_ARCH_DMA_H */ 26