162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology 462306a36Sopenharmony_ci * Author: Fuxin Zhang, zhangfx@lemote.com 562306a36Sopenharmony_ci * 662306a36Sopenharmony_ci * Copyright (C) 2009 Lemote Inc. 762306a36Sopenharmony_ci * Author: Wu Zhangjin, wuzhangjin@gmail.com 862306a36Sopenharmony_ci */ 962306a36Sopenharmony_ci#include <asm/mc146818-time.h> 1062306a36Sopenharmony_ci#include <asm/time.h> 1162306a36Sopenharmony_ci#include <asm/hpet.h> 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_ci#include <loongson.h> 1462306a36Sopenharmony_ci#include <cs5536/cs5536_mfgpt.h> 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_civoid __init plat_time_init(void) 1762306a36Sopenharmony_ci{ 1862306a36Sopenharmony_ci /* setup mips r4k timer */ 1962306a36Sopenharmony_ci mips_hpt_frequency = cpu_clock_freq / 2; 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ci setup_mfgpt0_timer(); 2262306a36Sopenharmony_ci} 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_civoid read_persistent_clock64(struct timespec64 *ts) 2562306a36Sopenharmony_ci{ 2662306a36Sopenharmony_ci ts->tv_sec = mc146818_get_cmos_time(); 2762306a36Sopenharmony_ci ts->tv_nsec = 0; 2862306a36Sopenharmony_ci} 29