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Ben Dooks59ff6f22008-10-21 14:06:52 +01001/* linux/arch/arm/mach-s3c6400/include/mach/tick.h
2 *
3 * Copyright 2008 Openmoko, Inc.
4 * Copyright 2008 Simtec Electronics
5 * http://armlinux.simtec.co.uk/
6 * Ben Dooks <ben@simtec.co.uk>
7 *
8 * S3C64XX - Timer tick support definitions
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13*/
14
15#ifndef __ASM_ARCH_TICK_H
16#define __ASM_ARCH_TICK_H __FILE__
17
Rob Herring9e47b8b2013-01-07 09:45:59 -060018#include <linux/irqchip/arm-vic.h>
19
Ben Dooks59ff6f22008-10-21 14:06:52 +010020/* note, the timer interrutps turn up in 2 places, the vic and then
21 * the timer block. We take the VIC as the base at the moment.
22 */
23static inline u32 s3c24xx_ostimer_pending(void)
24{
Ben Dooks5b39be42010-01-07 08:59:26 +090025 u32 pend = __raw_readl(VA_VIC0 + VIC_RAW_STATUS);
Ben Dooks59ff6f22008-10-21 14:06:52 +010026 return pend & 1 << (IRQ_TIMER4_VIC - S3C64XX_IRQ_VIC0(0));
27}
28
Ben Dooksc652d2d2008-10-21 14:07:01 +010029#define TICK_MAX (0xffffffff)
30
Ben Dooks59ff6f22008-10-21 14:06:52 +010031#endif /* __ASM_ARCH_6400_TICK_H */