time.c

 1// SPDX-License-Identifier: GPL-2.0-or-later
 2/*
 3 * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
 4 * Author: Fuxin Zhang, zhangfx@lemote.com
 5 *
 6 * Copyright (C) 2009 Lemote Inc.
 7 * Author: Wu Zhangjin, wuzhangjin@gmail.com
 8 */
 9#include <asm/mc146818-time.h>
10#include <asm/time.h>
11#include <asm/hpet.h>
12
13#include <loongson.h>
14#include <cs5536/cs5536_mfgpt.h>
15
16void __init plat_time_init(void)
17{
18	/* setup mips r4k timer */
19	mips_hpt_frequency = cpu_clock_freq / 2;
20
21	setup_mfgpt0_timer();
22}
23
24void read_persistent_clock64(struct timespec64 *ts)
25{
26	ts->tv_sec = mc146818_get_cmos_time();
27	ts->tv_nsec = 0;
28}