/*
   * 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 */