📄 dma.h
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/* * 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 */
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