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diff --git a/include/asm-arm/arch-s3c2410/h1940-latch.h b/include/asm-arm/arch-s3c2410/h1940-latch.h
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+++ b/include/asm-arm/arch-s3c2410/h1940-latch.h
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+/* linux/include/asm-arm/arch-s3c2410/h1940-latch.h
+ *
+ * (c) 2005 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * iPAQ H1940 series - latch definitions
+ *
+ * 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.
+*/
+
+#ifndef __ASM_ARCH_H1940_LATCH_H
+#define __ASM_ARCH_H1940_LATCH_H
+
+
+#ifndef __ASSEMBLY__
+#define H1940_LATCH ((void __iomem *)0xF8000000)
+#else
+#define H1940_LATCH 0xF8000000
+#endif
+
+#define H1940_PA_LATCH (S3C2410_CS2)
+
+/* SD layer latch */
+
+#define H1940_LATCH_SDQ1 (1<<16)
+#define H1940_LATCH_LCD_P1 (1<<17)
+#define H1940_LATCH_LCD_P2 (1<<18)
+#define H1940_LATCH_LCD_P3 (1<<19)
+#define H1940_LATCH_MAX1698_nSHUTDOWN (1<<20) /* LCD backlight */
+#define H1940_LATCH_LED_RED (1<<21)
+#define H1940_LATCH_SDQ7 (1<<22)
+#define H1940_LATCH_USB_DP (1<<23)
+
+/* CPU layer latch */
+
+#define H1940_LATCH_UDA_POWER (1<<24)
+#define H1940_LATCH_AUDIO_POWER (1<<25)
+#define H1940_LATCH_SM803_ENABLE (1<<26)
+#define H1940_LATCH_LCD_P4 (1<<27)
+#define H1940_LATCH_CPUQ5 (1<<28) /* untraced */
+#define H1940_LATCH_BLUETOOTH_POWER (1<<29) /* active high */
+#define H1940_LATCH_LED_GREEN (1<<30)
+#define H1940_LATCH_LED_FLASH (1<<31)
+
+/* default settings */
+
+#define H1940_LATCH_DEFAULT \
+ H1940_LATCH_LCD_P4 | \
+ H1940_LATCH_SM803_ENABLE | \
+ H1940_LATCH_SDQ1 | \
+ H1940_LATCH_LCD_P1 | \
+ H1940_LATCH_LCD_P2 | \
+ H1940_LATCH_LCD_P3 | \
+ H1940_LATCH_MAX1698_nSHUTDOWN | \
+ H1940_LATCH_CPUQ5
+
+/* control functions */
+
+extern void h1940_latch_control(unsigned int clear, unsigned int set);
+
+#endif /* __ASM_ARCH_H1940_LATCH_H */