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 |