tick.h 894 字节
Newer Older
B
Ben Dooks 已提交
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
/* 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__

18 19
#include <linux/irqchip/arm-vic.h>

B
Ben Dooks 已提交
20 21 22 23 24
/* 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)
{
25
	u32 pend = __raw_readl(VA_VIC0 + VIC_RAW_STATUS);
B
Ben Dooks 已提交
26 27 28
	return pend & 1 << (IRQ_TIMER4_VIC - S3C64XX_IRQ_VIC0(0));
}

B
Ben Dooks 已提交
29 30
#define TICK_MAX	(0xffffffff)

B
Ben Dooks 已提交
31
#endif /* __ASM_ARCH_6400_TICK_H */