1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * arch/sh/kernel/time.c
4 *
5 * Copyright (C) 1999 Tetsuya Okada & Niibe Yutaka
6 * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>
7 * Copyright (C) 2002 - 2009 Paul Mundt
8 * Copyright (C) 2002 M. R. Brown <mrbrown@linux-sh.org>
9 */
10 #include <linux/kernel.h>
11 #include <linux/init.h>
12 #include <linux/profile.h>
13 #include <linux/timex.h>
14 #include <linux/sched.h>
15 #include <linux/clockchips.h>
16 #include <linux/platform_device.h>
17 #include <linux/smp.h>
18 #include <linux/rtc.h>
19 #include <asm/clock.h>
20 #include <asm/rtc.h>
21
22 static void __init sh_late_time_init(void)
23 {
24 /*
25 * Make sure all compiled-in early timers register themselves.
26 *
27 * Run probe() for two "earlytimer" devices, these will be the
28 * clockevents and clocksource devices respectively. In the event
29 * that only a clockevents device is available, we -ENODEV on the
30 * clocksource and the jiffies clocksource is used transparently
31 * instead. No error handling is necessary here.
32 */
33 early_platform_driver_register_all("earlytimer");
34 early_platform_driver_probe("earlytimer", 2, 0);
35 }
36
37 void __init time_init(void)
38 {
39 timer_probe();
40
41 clk_init();
42
43 late_time_init = sh_late_time_init;
44 }