1 files changed, 26 insertions, 0 deletions

diff --git a/include/asm-arm/arch-iop32x/memory.h b/include/asm-arm/arch-iop32x/memory.h
new file mode 100644
index 000000000000..764cd3f0d416
--- /dev/null
+++ b/include/asm-arm/arch-iop32x/memory.h
@@ -0,0 +1,26 @@
+/*
+ * include/asm-arm/arch-iop32x/memory.h
+ */
+
+#ifndef __MEMORY_H
+#define __MEMORY_H
+
+#include <asm/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)) & ~(*IOP3XX_IATVR2)) | ((*IOP3XX_IABAR2) & 0xfffffff0))
+#define __bus_to_virt(x)        (__phys_to_virt(((x) & ~(*IOP3XX_IALR2)) | ( *IOP3XX_IATVR2)))
+
+
+#endif