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diff --git a/arch/sh/include/mach-common/mach/microdev.h b/arch/sh/include/mach-common/mach/microdev.h
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+++ b/arch/sh/include/mach-common/mach/microdev.h
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+/*
+ * linux/include/asm-sh/microdev.h
+ *
+ * Copyright (C) 2003 Sean McGoogan (Sean.McGoogan@superh.com)
+ *
+ * Definitions for the SuperH SH4-202 MicroDev board.
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License. See linux/COPYING for more information.
+ */
+#ifndef __ASM_SH_MICRODEV_H
+#define __ASM_SH_MICRODEV_H
+
+extern void init_microdev_irq(void);
+extern void microdev_print_fpga_intc_status(void);
+
+/*
+ * The following are useful macros for manipulating the interrupt
+ * controller (INTC) on the CPU-board FPGA. should be noted that there
+ * is an INTC on the FPGA, and a separate INTC on the SH4-202 core -
+ * these are two different things, both of which need to be prorammed to
+ * correctly route - unfortunately, they have the same name and
+ * abbreviations!
+ */
+#define MICRODEV_FPGA_INTC_BASE 0xa6110000ul /* INTC base address on CPU-board FPGA */
+#define MICRODEV_FPGA_INTENB_REG (MICRODEV_FPGA_INTC_BASE+0ul) /* Interrupt Enable Register on INTC on CPU-board FPGA */
+#define MICRODEV_FPGA_INTDSB_REG (MICRODEV_FPGA_INTC_BASE+8ul) /* Interrupt Disable Register on INTC on CPU-board FPGA */
+#define MICRODEV_FPGA_INTC_MASK(n) (1ul<<(n)) /* Interrupt mask to enable/disable INTC in CPU-board FPGA */
+#define MICRODEV_FPGA_INTPRI_REG(n) (MICRODEV_FPGA_INTC_BASE+0x10+((n)/8)*8)/* Interrupt Priority Register on INTC on CPU-board FPGA */
+#define MICRODEV_FPGA_INTPRI_LEVEL(n,x) ((x)<<(((n)%8)*4)) /* MICRODEV_FPGA_INTPRI_LEVEL(int_number, int_level) */
+#define MICRODEV_FPGA_INTPRI_MASK(n) (MICRODEV_FPGA_INTPRI_LEVEL((n),0xful)) /* Interrupt Priority Mask on INTC on CPU-board FPGA */
+#define MICRODEV_FPGA_INTSRC_REG (MICRODEV_FPGA_INTC_BASE+0x30ul) /* Interrupt Source Register on INTC on CPU-board FPGA */
+#define MICRODEV_FPGA_INTREQ_REG (MICRODEV_FPGA_INTC_BASE+0x38ul) /* Interrupt Request Register on INTC on CPU-board FPGA */
+
+
+/*
+ * The following are the IRQ numbers for the Linux Kernel for external
+ * interrupts. i.e. the numbers seen by 'cat /proc/interrupt'.
+ */
+#define MICRODEV_LINUX_IRQ_KEYBOARD 1 /* SuperIO Keyboard */
+#define MICRODEV_LINUX_IRQ_SERIAL1 2 /* SuperIO Serial #1 */
+#define MICRODEV_LINUX_IRQ_ETHERNET 3 /* on-board Ethnernet */
+#define MICRODEV_LINUX_IRQ_SERIAL2 4 /* SuperIO Serial #2 */
+#define MICRODEV_LINUX_IRQ_USB_HC 7 /* on-board USB HC */
+#define MICRODEV_LINUX_IRQ_MOUSE 12 /* SuperIO PS/2 Mouse */
+#define MICRODEV_LINUX_IRQ_IDE2 13 /* SuperIO IDE #2 */
+#define MICRODEV_LINUX_IRQ_IDE1 14 /* SuperIO IDE #1 */
+
+/*
+ * The following are the IRQ numbers for the INTC on the FPGA for
+ * external interrupts. i.e. the bits in the INTC registers in the
+ * FPGA.
+ */
+#define MICRODEV_FPGA_IRQ_KEYBOARD 1 /* SuperIO Keyboard */
+#define MICRODEV_FPGA_IRQ_SERIAL1 3 /* SuperIO Serial #1 */
+#define MICRODEV_FPGA_IRQ_SERIAL2 4 /* SuperIO Serial #2 */
+#define MICRODEV_FPGA_IRQ_MOUSE 12 /* SuperIO PS/2 Mouse */
+#define MICRODEV_FPGA_IRQ_IDE1 14 /* SuperIO IDE #1 */
+#define MICRODEV_FPGA_IRQ_IDE2 15 /* SuperIO IDE #2 */
+#define MICRODEV_FPGA_IRQ_USB_HC 16 /* on-board USB HC */
+#define MICRODEV_FPGA_IRQ_ETHERNET 18 /* on-board Ethnernet */
+
+#define MICRODEV_IRQ_PCI_INTA 8
+#define MICRODEV_IRQ_PCI_INTB 9
+#define MICRODEV_IRQ_PCI_INTC 10
+#define MICRODEV_IRQ_PCI_INTD 11
+
+#define __IO_PREFIX microdev
+#include <asm/io_generic.h>
+
+#if defined(CONFIG_PCI)
+unsigned char microdev_pci_inb(unsigned long port);
+unsigned short microdev_pci_inw(unsigned long port);
+unsigned long microdev_pci_inl(unsigned long port);
+void microdev_pci_outb(unsigned char data, unsigned long port);
+void microdev_pci_outw(unsigned short data, unsigned long port);
+void microdev_pci_outl(unsigned long data, unsigned long port);
+#endif
+
+#endif /* __ASM_SH_MICRODEV_H */