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Diffstat (limited to 'arch/microblaze/include/asm/dma.h')
| -rw-r--r-- | arch/microblaze/include/asm/dma.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/dma.h b/arch/microblaze/include/asm/dma.h new file mode 100644 index 000000000..0d73d0c6d --- /dev/null +++ b/arch/microblaze/include/asm/dma.h @@ -0,0 +1,27 @@ +/* + * 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 */ |