1/*
2 * Copyright (C) ST-Ericsson SA 2011
3 *
4 * License Terms: GNU General Public License v2
5 * Author: Mattias Wallin <mattias.wallin@stericsson.com> for ST-Ericsson
6 */
7#include <linux/io.h>
8#include <linux/errno.h>
9#include <linux/clksrc-dbx500-prcmu.h>
10#include <linux/clocksource.h>
11#include <linux/of.h>
12#include <linux/of_address.h>
13
14#include "setup.h"
15
16#include "db8500-regs.h"
17#include "id.h"
18
19static const struct of_device_id prcmu_timer_of_match[] __initconst = {
20	{ .compatible = "stericsson,db8500-prcmu-timer-4", },
21	{ },
22};
23
24void __init ux500_timer_init(void)
25{
26	void __iomem *prcmu_timer_base;
27	void __iomem *tmp_base;
28	struct device_node *np;
29
30	if (cpu_is_u8500_family() || cpu_is_ux540_family())
31		prcmu_timer_base = __io_address(U8500_PRCMU_TIMER_4_BASE);
32	else
33		ux500_unknown_soc();
34
35	np = of_find_matching_node(NULL, prcmu_timer_of_match);
36	if (!np)
37		goto dt_fail;
38
39	tmp_base = of_iomap(np, 0);
40	if (!tmp_base)
41		goto dt_fail;
42
43	prcmu_timer_base = tmp_base;
44
45dt_fail:
46	clksrc_dbx500_prcmu_init(prcmu_timer_base);
47	clocksource_of_init();
48}
49