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28 lines
706 B
C
28 lines
706 B
C
/*
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* Copyright (C) 2006 Atmark Techno, Inc.
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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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#ifndef _ASM_MICROBLAZE_DMA_H
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#define _ASM_MICROBLAZE_DMA_H
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#ifndef CONFIG_MMU
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/* we don't have dma address limit. define it as zero to be
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* unlimited. */
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#define MAX_DMA_ADDRESS (0)
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#else
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/* Virtual address corresponding to last available physical memory address. */
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#define MAX_DMA_ADDRESS (CONFIG_KERNEL_START + memory_size - 1)
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#endif
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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_MICROBLAZE_DMA_H */
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