Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * Author: Fuxin Zhang, zhangfx@lemote.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Copyright (C) 2009 Lemote Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * Author: Wu Zhangjin, wuzhangjin@gmail.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <asm/mc146818-time.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <asm/time.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <asm/hpet.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <loongson.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <cs5536/cs5536_mfgpt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) void __init plat_time_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	/* setup mips r4k timer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	mips_hpt_frequency = cpu_clock_freq / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	setup_mfgpt0_timer();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) void read_persistent_clock64(struct timespec64 *ts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	ts->tv_sec = mc146818_get_cmos_time();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	ts->tv_nsec = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) }