diff --git a/include/asm-sh/adx/io.h b/include/asm-sh/adx/io.h
new file mode 100644
index 0000000..ab1225f
--- /dev/null
+++ b/include/asm-sh/adx/io.h
@@ -0,0 +1,86 @@
+/*
+ * include/asm-sh/io_adx.h
+ *
+ * Copyright (C) 2001 A&D Co., Ltd.
+ *
+ * This file may be copied or modified under the terms of the GNU
+ * General Public License.  See linux/COPYING for more information.
+ *
+ * IO functions for an A&D ADX Board
+ */
+
+#ifndef _ASM_SH_IO_ADX_H
+#define _ASM_SH_IO_ADX_H
+
+#include <asm/io_generic.h>
+
+extern unsigned char adx_inb(unsigned long port);
+extern unsigned short adx_inw(unsigned long port);
+extern unsigned int adx_inl(unsigned long port);
+
+extern void adx_outb(unsigned char value, unsigned long port);
+extern void adx_outw(unsigned short value, unsigned long port);
+extern void adx_outl(unsigned int value, unsigned long port);
+
+extern unsigned char adx_inb_p(unsigned long port);
+extern void adx_outb_p(unsigned char value, unsigned long port);
+
+extern void adx_insb(unsigned long port, void *addr, unsigned long count);
+extern void adx_insw(unsigned long port, void *addr, unsigned long count);
+extern void adx_insl(unsigned long port, void *addr, unsigned long count);
+extern void adx_outsb(unsigned long port, const void *addr, unsigned long count);
+extern void adx_outsw(unsigned long port, const void *addr, unsigned long count);
+extern void adx_outsl(unsigned long port, const void *addr, unsigned long count);
+
+extern unsigned char adx_readb(unsigned long addr);
+extern unsigned short adx_readw(unsigned long addr);
+extern unsigned int adx_readl(unsigned long addr);
+extern void adx_writeb(unsigned char b, unsigned long addr);
+extern void adx_writew(unsigned short b, unsigned long addr);
+extern void adx_writel(unsigned int b, unsigned long addr);
+
+extern void * adx_ioremap(unsigned long offset, unsigned long size);
+extern void adx_iounmap(void *addr);
+
+extern unsigned long adx_isa_port2addr(unsigned long offset);
+
+extern void setup_adx(void);
+extern void init_adx_IRQ(void);
+
+#ifdef __WANT_IO_DEF
+
+#define __inb		adx_inb
+#define __inw		adx_inw
+#define __inl		adx_inl
+#define __outb		adx_outb
+#define __outw		adx_outw
+#define __outl		adx_outl
+
+#define __inb_p		adx_inb_p
+#define __inw_p		adx_inw
+#define __inl_p		adx_inl
+#define __outb_p	adx_outb_p
+#define __outw_p	adx_outw
+#define __outl_p	adx_outl
+
+#define __insb		adx_insb
+#define __insw		adx_insw
+#define __insl		adx_insl
+#define __outsb		adx_outsb
+#define __outsw		adx_outsw
+#define __outsl		adx_outsl
+
+#define __readb		adx_readb
+#define __readw		adx_readw
+#define __readl		adx_readl
+#define __writeb	adx_writeb
+#define __writew	adx_writew
+#define __writel	adx_writel
+
+#define __isa_port2addr	adx_isa_port2addr
+#define __ioremap	adx_ioremap
+#define __iounmap	adx_iounmap
+
+#endif
+
+#endif /* _ASM_SH_IO_AANDD_H */