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diff --git a/include/asm-arm/arch-s3c2410/hardware.h b/include/asm-arm/arch-s3c2410/hardware.h
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+++ b/include/asm-arm/arch-s3c2410/hardware.h
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+/* linux/include/asm-arm/arch-s3c2410/hardware.h
+ *
+ * (c) 2003 Simtec Electronics
+ *  Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2410 - hardware
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Changelog:
+ *  21-May-2003 BJD  Created file
+ *  06-Jun-2003 BJD  Added CPU frequency settings
+ *  03-Sep-2003 BJD  Linux v2.6 support
+ *  12-Mar-2004 BJD  Fixed include protection, fixed type of clock vars
+ *  14-Sep-2004 BJD  Added misccr and getpin to gpio
+ *  01-Oct-2004 BJD  Added the new gpio functions
+ *  16-Oct-2004 BJD  Removed the clock variables
+*/
+
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+#ifndef __ASSEMBLY__
+
+/* external functions for GPIO support
+ *
+ * These allow various different clients to access the same GPIO
+ * registers without conflicting. If your driver only owns the entire
+ * GPIO register, then it is safe to ioremap/__raw_{read|write} to it.
+*/
+
+/* s3c2410_gpio_cfgpin
+ *
+ * set the configuration of the given pin to the value passed.
+ *
+ * eg:
+ *    s3c2410_gpio_cfgpin(S3C2410_GPA0, S3C2410_GPA0_ADDR0);
+ *    s3c2410_gpio_cfgpin(S3C2410_GPE8, S3C2410_GPE8_SDDAT1);
+*/
+
+extern void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int function);
+
+extern unsigned int s3c2410_gpio_getcfg(unsigned int pin);
+
+/* s3c2410_gpio_getirq
+ *
+ * turn the given pin number into the corresponding IRQ number
+ *
+ * returns:
+ *      < 0 = no interrupt for this pin
+ *      >=0 = interrupt number for the pin
+*/
+
+extern int s3c2410_gpio_getirq(unsigned int pin);
+
+/* s3c2410_gpio_irqfilter
+ *
+ * set the irq filtering on the given pin
+ *
+ * on = 0 => disable filtering
+ *      1 => enable filtering
+ *
+ * config = S3C2410_EINTFLT_PCLK or S3C2410_EINTFLT_EXTCLK orred with
+ *          width of filter (0 through 63)
+ *
+ *
+*/
+
+extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on,
+                                  unsigned int config);
+
+/* s3c2410_gpio_pullup
+ *
+ * configure the pull-up control on the given pin
+ *
+ * to = 1 => disable the pull-up
+ *      0 => enable the pull-up
+ *
+ * eg;
+ *
+ *   s3c2410_gpio_pullup(S3C2410_GPB0, 0);
+ *   s3c2410_gpio_pullup(S3C2410_GPE8, 0);
+*/
+
+extern void s3c2410_gpio_pullup(unsigned int pin, unsigned int to);
+
+extern void s3c2410_gpio_setpin(unsigned int pin, unsigned int to);
+
+extern unsigned int s3c2410_gpio_getpin(unsigned int pin);
+
+extern unsigned int s3c2410_modify_misccr(unsigned int clr, unsigned int chg);
+
+#endif /* __ASSEMBLY__ */
+
+#include <asm/sizes.h>
+#include <asm/arch/map.h>
+
+/* machine specific hardware definitions should go after this */
+
+/* currently here until moved into config (todo) */
+#define CONFIG_NO_MULTIWORD_IO
+
+#endif /* __ASM_ARCH_HARDWARE_H */