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 16 void __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 24 void read_persistent_clock64(struct timespec64 *ts) 25 { 26 ts->tv_sec = mc146818_get_cmos_time(); 27 ts->tv_nsec = 0; 28 } 29