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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2006 Atmark Techno, Inc.
*/
#ifndef _ASM_MICROBLAZE_DMA_H
#define _ASM_MICROBLAZE_DMA_H
#ifndef CONFIG_MMU
/* we don't have dma address limit. define it as zero to be
* unlimited. */
#define MAX_DMA_ADDRESS (0)
#else
/* Virtual address corresponding to last available physical memory address. */
#define MAX_DMA_ADDRESS (CONFIG_KERNEL_START + memory_size - 1)
#endif
#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy (0)
#endif
#endif /* _ASM_MICROBLAZE_DMA_H */
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