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
6 * Copyright (C) 2007 by Ralf Baechle
8 #include <linux/clocksource.h>
9 #include <linux/init.h>
13 static cycle_t c0_hpt_read(void)
15 return read_c0_count();
18 static struct clocksource clocksource_mips = {
21 .mask = CLOCKSOURCE_MASK(32),
22 .flags = CLOCK_SOURCE_IS_CONTINUOUS,
25 int __init init_mips_clocksource(void)
27 if (!cpu_has_counter || !mips_hpt_frequency)
30 /* Calclate a somewhat reasonable rating value */
31 clocksource_mips.rating = 200 + mips_hpt_frequency / 10000000;
33 clocksource_set_clock(&clocksource_mips, mips_hpt_frequency);
35 clocksource_register(&clocksource_mips);