diff options
| author | Michal Simek <monstr@monstr.eu> | 2009-05-26 16:30:29 +0200 |
|---|---|---|
| committer | Michal Simek <monstr@monstr.eu> | 2009-05-26 16:45:22 +0200 |
| commit | dcffc1b29115cc26686b8ae62b587e63f0e139f0 (patch) | |
| tree | 187d9b097c146004d91f192017321f9c286c5506 /arch | |
| parent | 46fb9be93b15bd8315622ad2f85f9516c064a785 (diff) | |
microblaze_mmu_v2: Update dma.h for MMU
Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/microblaze/include/asm/dma.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/dma.h b/arch/microblaze/include/asm/dma.h index 0967fa04fc5..08c073badf1 100644 --- a/arch/microblaze/include/asm/dma.h +++ b/arch/microblaze/include/asm/dma.h @@ -9,8 +9,13 @@ #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 #endif /* _ASM_MICROBLAZE_DMA_H */ |