18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology 48c2ecf20Sopenharmony_ci * Author: Fuxin Zhang, zhangfx@lemote.com 58c2ecf20Sopenharmony_ci * 68c2ecf20Sopenharmony_ci * Copyright (C) 2009 Lemote Inc. 78c2ecf20Sopenharmony_ci * Author: Wu Zhangjin, wuzhangjin@gmail.com 88c2ecf20Sopenharmony_ci */ 98c2ecf20Sopenharmony_ci#include <asm/mc146818-time.h> 108c2ecf20Sopenharmony_ci#include <asm/time.h> 118c2ecf20Sopenharmony_ci#include <asm/hpet.h> 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ci#include <loongson.h> 148c2ecf20Sopenharmony_ci#include <cs5536/cs5536_mfgpt.h> 158c2ecf20Sopenharmony_ci 168c2ecf20Sopenharmony_civoid __init plat_time_init(void) 178c2ecf20Sopenharmony_ci{ 188c2ecf20Sopenharmony_ci /* setup mips r4k timer */ 198c2ecf20Sopenharmony_ci mips_hpt_frequency = cpu_clock_freq / 2; 208c2ecf20Sopenharmony_ci 218c2ecf20Sopenharmony_ci setup_mfgpt0_timer(); 228c2ecf20Sopenharmony_ci} 238c2ecf20Sopenharmony_ci 248c2ecf20Sopenharmony_civoid read_persistent_clock64(struct timespec64 *ts) 258c2ecf20Sopenharmony_ci{ 268c2ecf20Sopenharmony_ci ts->tv_sec = mc146818_get_cmos_time(); 278c2ecf20Sopenharmony_ci ts->tv_nsec = 0; 288c2ecf20Sopenharmony_ci} 29