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-rw-r--r--arch/arm/mach-iop32x/include/mach/memory.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/mach-iop32x/include/mach/memory.h b/arch/arm/mach-iop32x/include/mach/memory.h
new file mode 100644
index 000000000000..42cd4bf3148c
--- /dev/null
+++ b/arch/arm/mach-iop32x/include/mach/memory.h
@@ -0,0 +1,26 @@
+/*
+ * arch/arm/mach-iop32x/include/mach/memory.h
+ */
+
+#ifndef __MEMORY_H
+#define __MEMORY_H
+
+#include <mach/hardware.h>
+
+/*
+ * Physical DRAM offset.
+ */
+#define PHYS_OFFSET UL(0xa0000000)
+
+/*
+ * Virtual view <-> PCI DMA view memory address translations
+ * virt_to_bus: Used to translate the virtual address to an
+ * address suitable to be passed to set_dma_addr
+ * bus_to_virt: Used to convert an address for DMA operations
+ * to an address that the kernel can use.
+ */
+#define __virt_to_bus(x) (__virt_to_phys(x))
+#define __bus_to_virt(x) (__phys_to_virt(x))
+
+
+#endif