/* * Copyright (C) 2006 Atmark Techno, Inc. * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. */ #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 */