diff --git a/include/firm/hw/common/mmap_firm.h b/include/firm/hw/common/mmap_firm.h
new file mode 100644
index 00000000..6b86cd3a
--- /dev/null
+++ b/include/firm/hw/common/mmap_firm.h
@@ -0,0 +1,37 @@
+/*---------------------------------------------------------------------------*
+  Project:  TwlFirm - HW - include
+  File:     mmap_firm.h
+
+  Copyright 2007 Nintendo.  All rights reserved.
+
+  These coded instructions, statements, and computer programs contain
+  proprietary information of Nintendo of America Inc. and/or Nintendo
+  Company Ltd., and are protected by Federal copyright law.  They may
+  not be disclosed to third parties or copied or duplicated in any form,
+  in whole or in part, without the prior written consent of Nintendo.
+
+  $Date:: 2007-09-06$
+  $Rev$
+  $Author$
+ *---------------------------------------------------------------------------*/
+#ifndef FIRM_HW_COMMON_MMAP_FIRM_H_
+#define FIRM_HW_COMMON_MMAP_FIRM_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+//------------------------------------- *_LoadBuffer
+#define HW_FIRM_LOAD_BUFFER_BASE        MI_GetWramMapStart_B()
+#define HW_FIRM_LOAD_BUFFER_UNIT_SIZE   0x8000
+#define HW_FIRM_LOAD_BUFFER_UNIT_NUMS   8
+#define HW_FIRM_LOAD_BUFFER_SIZE        (HW_FIRM_LOAD_BUFFER_UNIT_SIZE * HW_FIRM_LOAD_BUFFER_UNIT_NUMS)
+#define HW_FIRM_LOAD_BUFFER_END         (HW_FIRM_LOAD_BUFFER_BASE + HW_FIRM_LOAD_BUFFER_SIZE)
+
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+/* FIRM_HW_COMMON_MMAP_FIRM_H_ */
+#endif
diff --git a/include/firm/memorymap.h b/include/firm/memorymap.h
index 53a2d92b..fa95b481 100644
--- a/include/firm/memorymap.h
+++ b/include/firm/memorymap.h
@@ -18,6 +18,7 @@
 #define FIRM_MEMORYMAP_H_
 
 #include    <twl/memorymap.h>
+#include    <firm/hw/common/mmap_firm.h>
 
 #ifdef  SDK_ARM9
 #include    <firm/hw/ARM9/mmap_firm.h>