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-rw-r--r--include/asm-arm/dma.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-arm/dma.h b/include/asm-arm/dma.h
index 1c7087f..49c01e2 100644
--- a/include/asm-arm/dma.h
+++ b/include/asm-arm/dma.h
@@ -10,6 +10,13 @@ typedef unsigned int dmach_t;
#include <asm/arch/dma.h>
/*
+ * This is the maximum virtual address which can be DMA'd from.
+ */
+#ifndef MAX_DMA_ADDRESS
+#define MAX_DMA_ADDRESS 0xffffffff
+#endif
+
+/*
* DMA modes
*/
typedef unsigned int dmamode_t;
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