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41 lines
934 B
41 lines
934 B
#ifndef __ASM_SH64_DMA_H
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#define __ASM_SH64_DMA_H
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/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* include/asm-sh64/dma.h
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*
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* Copyright (C) 2000, 2001 Paolo Alberelli
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* Copyright (C) 2003 Paul Mundt
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*
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*/
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#include <linux/mm.h>
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#include <asm/io.h>
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#include <asm/pgtable.h>
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#define MAX_DMA_CHANNELS 4
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/*
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* SH5 can DMA in any memory area.
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*
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* The static definition is dodgy because it should limit
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* the highest DMA-able address based on the actual
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* Physical memory available. This is actually performed
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* at run time in defining the memory allowed to DMA_ZONE.
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*/
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#define MAX_DMA_ADDRESS ~(NPHYS_MASK)
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#define DMA_MODE_READ 0
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#define DMA_MODE_WRITE 1
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#ifdef CONFIG_PCI
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extern int isa_dma_bridge_buggy;
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#else
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#define isa_dma_bridge_buggy (0)
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#endif
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#endif /* __ASM_SH64_DMA_H */
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