1 /*
2  * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
3  * Author: Fuxin Zhang, zhangfx@lemote.com
4  *
5  * Copyright (C) 2009 Lemote Inc.
6  * Author: Wu Zhangjin, wuzhangjin@gmail.com
7  *
8  *  This program is free software; you can redistribute	 it and/or modify it
9  *  under  the terms of	 the GNU General  Public License as published by the
10  *  Free Software Foundation;  either version 2 of the	License, or (at your
11  *  option) any later version.
12  */
13 #include <asm/mc146818-time.h>
14 #include <asm/time.h>
15 #include <asm/hpet.h>
16 
17 #include <loongson.h>
18 #include <cs5536/cs5536_mfgpt.h>
19 
plat_time_init(void)20 void __init plat_time_init(void)
21 {
22 	/* setup mips r4k timer */
23 	mips_hpt_frequency = cpu_clock_freq / 2;
24 
25 #ifdef CONFIG_RS780_HPET
26 	setup_hpet_timer();
27 #else
28 	setup_mfgpt0_timer();
29 #endif
30 }
31 
read_persistent_clock(struct timespec * ts)32 void read_persistent_clock(struct timespec *ts)
33 {
34 	ts->tv_sec = mc146818_get_cmos_time();
35 	ts->tv_nsec = 0;
36 }
37