From dcffc1b29115cc26686b8ae62b587e63f0e139f0 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Tue, 26 May 2009 16:30:29 +0200 Subject: microblaze_mmu_v2: Update dma.h for MMU Signed-off-by: Michal Simek --- arch/microblaze/include/asm/dma.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'arch/microblaze/include/asm') 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 */ -- cgit v1.2.3-70-g09d2