1/* MN10300 clocksource
2 *
3 * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved.
4 * Written by Mark Salter (msalter@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public Licence
8 * as published by the Free Software Foundation; either version
9 * 2 of the Licence, or (at your option) any later version.
10 */
11#include <linux/clocksource.h>
12#include <linux/init.h>
13#include <asm/timex.h>
14#include "internal.h"
15
16static cycle_t mn10300_read(struct clocksource *cs)
17{
18	return read_timestamp_counter();
19}
20
21static struct clocksource clocksource_mn10300 = {
22	.name	= "TSC",
23	.rating	= 200,
24	.read	= mn10300_read,
25	.mask	= CLOCKSOURCE_MASK(32),
26	.flags	= CLOCK_SOURCE_IS_CONTINUOUS,
27};
28
29int __init init_clocksource(void)
30{
31	startup_timestamp_counter();
32	clocksource_register_hz(&clocksource_mn10300, MN10300_TSCCLK);
33	return 0;
34}
35