[people/ms/u-boot.git] / arch / arm / mach-socfpga / timer.c

/*
 *  Copyright (C) 2012 Altera Corporation <www.altera.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <asm/io.h>
#include <asm/arch/timer.h>

#define TIMER_LOAD_VAL		0xFFFFFFFF

static const struct socfpga_timer *timer_base = (void *)CONFIG_SYS_TIMERBASE;

/*
 * Timer initialization
 */
int timer_init(void)
{
	writel(TIMER_LOAD_VAL, &timer_base->load_val);
	writel(TIMER_LOAD_VAL, &timer_base->curr_val);
	writel(readl(&timer_base->ctrl) | 0x3, &timer_base->ctrl);
	return 0;
}
Commit	Line	Data
77754408 DN	1	/*
	2	* Copyright (C) 2012 Altera Corporation <www.altera.com>
	3	*
1a459660	4	* SPDX-License-Identifier: GPL-2.0+
77754408 DN	5	*/
	6
	7	#include <common.h>
	8	#include <asm/io.h>
	9	#include <asm/arch/timer.h>
	10
2110eeaf MV	11	#define TIMER_LOAD_VAL 0xFFFFFFFF
2110eeaf MV	12
77754408 DN	13	static const struct socfpga_timer timer_base = (void )CONFIG_SYS_TIMERBASE;
	14
	15	/*
	16	* Timer initialization
	17	*/
	18	int timer_init(void)
	19	{
	20	writel(TIMER_LOAD_VAL, &timer_base->load_val);
	21	writel(TIMER_LOAD_VAL, &timer_base->curr_val);
	22	writel(readl(&timer_base->ctrl) \| 0x3, &timer_base->ctrl);
	23	return 0;
	24	}