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diff --git a/arch/arm/mach-s5pc100/include/mach/tick.h b/arch/arm/mach-s5pc100/include/mach/tick.h
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+/* linux/arch/arm/mach-s5pc100/include/mach/tick.h
+ *
+ * Copyright 2009 Samsung Electronics Co.
+ * Byungho Min <bhmin@samsung.com>
+ *
+ * S3C64XX - Timer tick support definitions
+ *
+ * Based on mach-s3c6400/include/mach/tick.h
+ *
+ * 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_TICK_H
+#define __ASM_ARCH_TICK_H __FILE__
+
+/* note, the timer interrutps turn up in 2 places, the vic and then
+ * the timer block. We take the VIC as the base at the moment.
+ */
+static inline u32 s3c24xx_ostimer_pending(void)
+{
+ u32 pend = __raw_readl(S3C_VA_VIC0 + VIC_RAW_STATUS);
+ return pend & 1 << (IRQ_TIMER4 - S5PC1XX_IRQ_VIC0(0));
+}
+
+#define TICK_MAX (0xffffffff)
+
+#endif /* __ASM_ARCH_TICK_H */