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Subject[PATCH 25/29] microblaze_mmu_v2: Update dma.h for MMU
Date
Signed-off-by: Michal Simek <monstr@monstr.eu>
---
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 0967fa0..08c073b 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 */
--
1.5.5.1


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