diff --git a/arch/sh/include/sh1/README.txt b/arch/sh/include/sh1/README.txt
index dabd6e83af..c95fca4595 100644
--- a/arch/sh/include/sh1/README.txt
+++ b/arch/sh/include/sh1/README.txt
@@ -1,3 +1 @@
-This directory contains header files common to all SH architectures.
-Sub-directories within this directory contain header files unique to
-specific SH architectures.
+This directory contains header files specific to the SH-1 architecture.
diff --git a/arch/sh/include/sh1/types.h b/arch/sh/include/sh1/types.h
new file mode 100644
index 0000000000..1166fb40ca
--- /dev/null
+++ b/arch/sh/include/sh1/types.h
@@ -0,0 +1,82 @@
+/****************************************************************************
+ * arch/sh/include/sh1/types.h
+ *
+ *   Copyright (C) 2008, 2009 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/* This file should never be included directed but, rather, only indirectly\
+ * through sys/types.h
+ */
+
+#ifndef __ARCH_SH_INCLUDE_SH1_TYPES_H
+#define __ARCH_SH_INCLUDE_SH1_TYPES_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Type Declarations
+ ****************************************************************************/
+
+#ifndef __ASSEMBLY__
+
+/* These are the sizes of the standard GNU types */
+
+typedef char sbyte;
+typedef unsigned char ubyte;
+typedef unsigned char uint8;
+typedef unsigned char boolean;
+typedef short sint16;
+typedef unsigned short uint16;
+typedef int sint32;
+typedef unsigned int uint32;
+typedef long long sint64;
+typedef unsigned long long uint64;
+
+/* This is the size of the interrupt state save returned by
+ * irqsave()
+ */
+
+typedef unsigned long irqstate_t;
+
+#endif /* __ASSEMBLY__ */
+
+/****************************************************************************
+ * Global Function Prototypes
+ ****************************************************************************/
+
+#endif /* __ARCH_SH_INCLUDE_SH1_TYPES_H */
diff --git a/arch/sh/include/types.h b/arch/sh/include/types.h
index 139cee2c4c..593d88306e 100644
--- a/arch/sh/include/types.h
+++ b/arch/sh/include/types.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * arch/sh/include/types.h
  *
- *   Copyright (C) 2008 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2008, 2009 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -14,7 +14,7 @@
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
+ * 3. Neither the name Gregory Nutt nor the names of its contributors may be
  *    used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
@@ -33,8 +33,8 @@
  *
  ****************************************************************************/
 
-/* This file should never be included directed but, rather,
- * only indirectly through sys/types.h
+/* This file should never be included directed but, rather, only indirectly
+ * through sys/types.h
  */
 
 #ifndef __ARCH_SH_INCLUDE_TYPES_H
@@ -44,6 +44,8 @@
  * Included Files
  ****************************************************************************/
 
+#include <arch/chip/types.h>
+
 /****************************************************************************
  * Definitions
  ****************************************************************************/
@@ -52,29 +54,6 @@
  * Type Declarations
  ****************************************************************************/
 
-#ifndef __ASSEMBLY__
-
-/* These are the sizes of the standard GNU types */
-
-typedef char sbyte;
-typedef unsigned char ubyte;
-typedef unsigned char uint8;
-typedef unsigned char boolean;
-typedef short sint16;
-typedef unsigned short uint16;
-typedef int sint32;
-typedef unsigned int uint32;
-typedef long long sint64;
-typedef unsigned long long uint64;
-
-/* This is the size of the interrupt state save returned by
- * irqsave()
- */
-
-typedef unsigned long irqstate_t;
-
-#endif /* __ASSEMBLY__ */
-
 /****************************************************************************
  * Global Function Prototypes
  ****************************************************************************/