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 #include <asm/platform_early.h>
22
23 static void __init sh_late_time_init(void)
24 {
25 /*
26 * Make sure all compiled-in early timers register themselves.
27 *
28 * Run probe() for two "earlytimer" devices, these will be the
29 * clockevents and clocksource devices respectively. In the event
30 * that only a clockevents device is available, we -ENODEV on the
31 * clocksource and the jiffies clocksource is used transparently
32 * instead. No error handling is necessary here.
33 */
34 sh_early_platform_driver_register_all("earlytimer");
35 sh_early_platform_driver_probe("earlytimer", 2, 0);
36 }
37
38 void __init time_init(void)
39 {
40 timer_probe();
41
42 clk_init();
43
44 late_time_init = sh_late_time_init;
45 }
46
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