1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright 2010-2011 Calxeda, Inc.
4 *
5 * Based on arm926ejs/mx27/timer.c
6 */
7
8#include <common.h>
9#include <init.h>
10#include <asm/io.h>
11#include <asm/arch-armv7/systimer.h>
12
13#undef SYSTIMER_BASE
14#define SYSTIMER_BASE		0xFFF34000	/* Timer 0 and 1 base	*/
15
16static struct systimer *systimer_base = (struct systimer *)SYSTIMER_BASE;
17
18/*
19 * Start the timer
20 */
21int timer_init(void)
22{
23	/*
24	 * Setup timer0
25	 */
26	writel(0, &systimer_base->timer0control);
27	writel(SYSTIMER_RELOAD, &systimer_base->timer0load);
28	writel(SYSTIMER_RELOAD, &systimer_base->timer0value);
29	writel(SYSTIMER_EN | SYSTIMER_32BIT | SYSTIMER_PRESC_256,
30		&systimer_base->timer0control);
31
32	return 0;
33
34}
35