1/*
 2 * This file is subject to the terms and conditions of the GNU General Public
 3 * License.  See the file "COPYING" in the main directory of this archive
 4 * for more details.
 5 *
 6 * Copyright (C) 2007 by Ralf Baechle
 7 */
 8#include <linux/clocksource.h>
 9#include <linux/init.h>
10
11#include <asm/time.h>
12
13static cycle_t c0_hpt_read(struct clocksource *cs)
14{
15	return read_c0_count();
16}
17
18static struct clocksource clocksource_mips = {
19	.name		= "MIPS",
20	.read		= c0_hpt_read,
21	.mask		= CLOCKSOURCE_MASK(32),
22	.flags		= CLOCK_SOURCE_IS_CONTINUOUS,
23};
24
25int __init init_r4k_clocksource(void)
26{
27	if (!cpu_has_counter || !mips_hpt_frequency)
28		return -ENXIO;
29
30	/* Calculate a somewhat reasonable rating value */
31	clocksource_mips.rating = 200 + mips_hpt_frequency / 10000000;
32
33	clocksource_register_hz(&clocksource_mips, mips_hpt_frequency);
34
35	return 0;
36}

 1/*
 2 * This file is subject to the terms and conditions of the GNU General Public
 3 * License.  See the file "COPYING" in the main directory of this archive
 4 * for more details.
 5 *
 6 * Copyright (C) 2007 by Ralf Baechle
 7 */
 8#include <linux/clocksource.h>
 9#include <linux/init.h>
10
11#include <asm/time.h>
12
13static cycle_t c0_hpt_read(struct clocksource *cs)
14{
15	return read_c0_count();
16}
17
18static struct clocksource clocksource_mips = {
19	.name		= "MIPS",
20	.read		= c0_hpt_read,
21	.mask		= CLOCKSOURCE_MASK(32),
22	.flags		= CLOCK_SOURCE_IS_CONTINUOUS,
23};
24
25int __init init_r4k_clocksource(void)
26{
27	if (!cpu_has_counter || !mips_hpt_frequency)
28		return -ENXIO;
29
30	/* Calculate a somewhat reasonable rating value */
31	clocksource_mips.rating = 200 + mips_hpt_frequency / 10000000;
32
33	clocksource_register_hz(&clocksource_mips, mips_hpt_frequency);
34
35	return 0;
36}