Kuninori Morimoto | 5933f6d | 2018-12-28 00:32:24 -0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | /* |
Paul Mundt | 5ac5496 | 2009-05-08 16:44:00 +0900 | [diff] [blame] | 3 | * arch/sh/kernel/time.c |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * |
| 5 | * Copyright (C) 1999 Tetsuya Okada & Niibe Yutaka |
| 6 | * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org> |
Paul Mundt | 4278600 | 2009-04-28 23:12:10 +0900 | [diff] [blame] | 7 | * Copyright (C) 2002 - 2009 Paul Mundt |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | * Copyright (C) 2002 M. R. Brown <mrbrown@linux-sh.org> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | #include <linux/kernel.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | #include <linux/init.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | #include <linux/profile.h> |
Paul Mundt | 65e5d90 | 2006-12-06 11:24:48 +0900 | [diff] [blame] | 13 | #include <linux/timex.h> |
| 14 | #include <linux/sched.h> |
Paul Mundt | 57be2b4 | 2007-05-09 17:33:24 +0900 | [diff] [blame] | 15 | #include <linux/clockchips.h> |
Magnus Damm | eaab891 | 2009-04-15 10:50:12 +0000 | [diff] [blame] | 16 | #include <linux/platform_device.h> |
Paul Mundt | 8c24594 | 2008-08-06 18:37:07 +0900 | [diff] [blame] | 17 | #include <linux/smp.h> |
Paul Mundt | 47c8a08 | 2009-04-27 17:34:39 +0900 | [diff] [blame] | 18 | #include <linux/rtc.h> |
Paul Mundt | 36ddf31 | 2006-01-16 22:14:17 -0800 | [diff] [blame] | 19 | #include <asm/clock.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | #include <asm/rtc.h> |
Bartosz Golaszewski | 507fd01 | 2019-10-03 11:29:12 +0200 | [diff] [blame] | 21 | #include <asm/platform_early.h> |
Paul Mundt | 36ddf31 | 2006-01-16 22:14:17 -0800 | [diff] [blame] | 22 | |
Paul Mundt | 82b2422 | 2009-07-29 22:43:58 +0900 | [diff] [blame] | 23 | static void __init sh_late_time_init(void) |
Magnus Damm | 8e0b842 | 2009-04-28 08:19:50 +0000 | [diff] [blame] | 24 | { |
Paul Mundt | 1d29ebe | 2009-06-14 19:45:40 +0900 | [diff] [blame] | 25 | /* |
| 26 | * Make sure all compiled-in early timers register themselves. |
Paul Mundt | 6fe32a4 | 2009-06-14 20:02:30 +0900 | [diff] [blame] | 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. |
Paul Mundt | 1d29ebe | 2009-06-14 19:45:40 +0900 | [diff] [blame] | 33 | */ |
Bartosz Golaszewski | 201e910 | 2019-10-03 11:29:13 +0200 | [diff] [blame] | 34 | sh_early_platform_driver_register_all("earlytimer"); |
| 35 | sh_early_platform_driver_probe("earlytimer", 2, 0); |
Magnus Damm | 8e0b842 | 2009-04-28 08:19:50 +0000 | [diff] [blame] | 36 | } |
Paul Mundt | 82b2422 | 2009-07-29 22:43:58 +0900 | [diff] [blame] | 37 | |
Andriy Skulysh | 3aa770e | 2006-09-27 16:20:22 +0900 | [diff] [blame] | 38 | void __init time_init(void) |
| 39 | { |
Arnd Bergmann | 19f4859 | 2018-04-20 17:46:39 +0200 | [diff] [blame] | 40 | timer_probe(); |
Andriy Skulysh | 3aa770e | 2006-09-27 16:20:22 +0900 | [diff] [blame] | 41 | |
| 42 | clk_init(); |
| 43 | |
Paul Mundt | 82b2422 | 2009-07-29 22:43:58 +0900 | [diff] [blame] | 44 | late_time_init = sh_late_time_init; |
Magnus Damm | 8e0b842 | 2009-04-28 08:19:50 +0000 | [diff] [blame] | 45 | } |