[deliverable/linux.git] / arch / arm / mach-s3c6400 / include / mach / tick.h

/* linux/arch/arm/mach-s3c6400/include/mach/tick.h
 *
 * Copyright 2008 Openmoko, Inc.
 * Copyright 2008 Simtec Electronics
 *	http://armlinux.simtec.co.uk/
 *	Ben Dooks <ben@simtec.co.uk>
 *
 * S3C64XX - Timer tick support 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_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(VA_VIC0 + VIC_RAW_STATUS);
	return pend & 1 << (IRQ_TIMER4_VIC - S3C64XX_IRQ_VIC0(0));
}

#define TICK_MAX	(0xffffffff)

#endif /* __ASM_ARCH_6400_TICK_H */
Commit	Line	Data
59ff6f2c BD	1	/* 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
	18	/* note, the timer interrutps turn up in 2 places, the vic and then
	19	* the timer block. We take the VIC as the base at the moment.
	20	*/
	21	static inline u32 s3c24xx_ostimer_pending(void)
	22	{
5b39be46	23	u32 pend = __raw_readl(VA_VIC0 + VIC_RAW_STATUS);
59ff6f2c BD	24	return pend & 1 << (IRQ_TIMER4_VIC - S3C64XX_IRQ_VIC0(0));
	25	}
	26
c652d2dd BD	27	#define TICK_MAX (0xffffffff)
c652d2dd BD	28
59ff6f2c	29	#endif /* __ASM_ARCH_6400_TICK_H */