diff --git a/arch/mips/include/asm/mach-cavium-octeon/spaces.h b/arch/mips/include/asm/mach-cavium-octeon/spaces.h
new file mode 100644
index 000000000000..daa91accf5ab
--- /dev/null
+++ b/arch/mips/include/asm/mach-cavium-octeon/spaces.h
@@ -0,0 +1,24 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2012 Cavium, Inc.
+ */
+#ifndef _ASM_MACH_CAVIUM_OCTEON_SPACES_H
+#define _ASM_MACH_CAVIUM_OCTEON_SPACES_H
+
+#include <linux/const.h>
+
+#ifdef CONFIG_64BIT
+/* They are all the same and some OCTEON II cores cannot handle 0xa8.. */
+#define CAC_BASE		_AC(0x8000000000000000, UL)
+#define UNCAC_BASE		_AC(0x8000000000000000, UL)
+#define IO_BASE			_AC(0x8000000000000000, UL)
+
+
+#endif /* CONFIG_64BIT */
+
+#include <asm/mach-generic/spaces.h>
+
+#endif /* _ASM_MACH_CAVIUM_OCTEON_SPACES_H */