blob: e16b2cd269a331f911a02a35de7170e67922a382 [file] [log] [blame]
David Brazdil0f672f62019-12-10 10:32:29 +00001// SPDX-License-Identifier: GPL-2.0
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00002/*
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>
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00009 */
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
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000022static 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
37void __init time_init(void)
38{
David Brazdil0f672f62019-12-10 10:32:29 +000039 timer_probe();
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000040
41 clk_init();
42
43 late_time_init = sh_late_time_init;
44}