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microblaze_mmu_v2: Update dma.h for MMU
author
Michal Simek
<monstr@monstr.eu>
Tue, 26 May 2009 14:30:29 +0000
(16:30 +0200)
committer
Michal Simek
<monstr@monstr.eu>
Tue, 26 May 2009 14:45:22 +0000
(16:45 +0200)
Signed-off-by: Michal Simek <monstr@monstr.eu>
arch/microblaze/include/asm/dma.h
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diff --git
a/arch/microblaze/include/asm/dma.h
b/arch/microblaze/include/asm/dma.h
index
0967fa0
..
08c073b
100644
(file)
--- 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 */