| Wu Zhangjin | bd92aa0 | 2009-07-02 23:22:36 +0800 | [diff] [blame] | 1 | /* | 
|  | 2 | * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology | 
|  | 3 | * Author: Fuxin Zhang, zhangfx@lemote.com | 
|  | 4 | * | 
| Wu Zhangjin | f7a904d | 2010-01-04 17:16:51 +0800 | [diff] [blame] | 5 | * Copyright (C) 2009 Lemote Inc. | 
|  | 6 | * Author: Wu Zhangjin, wuzhangjin@gmail.com | 
| Wu Zhangjin | bd92aa0 | 2009-07-02 23:22:36 +0800 | [diff] [blame] | 7 | * | 
|  | 8 | *  This program is free software; you can redistribute  it and/or modify it | 
|  | 9 | *  under  the terms of  the GNU General  Public License as published by the | 
|  | 10 | *  Free Software Foundation;  either version 2 of the  License, or (at your | 
|  | 11 | *  option) any later version. | 
|  | 12 | */ | 
| Wu Zhangjin | bd92aa0 | 2009-07-02 23:22:36 +0800 | [diff] [blame] | 13 | #include <asm/mc146818-time.h> | 
|  | 14 | #include <asm/time.h> | 
|  | 15 |  | 
| Wu Zhangjin | 5e983ff | 2009-07-02 23:23:03 +0800 | [diff] [blame] | 16 | #include <loongson.h> | 
| Wu Zhangjin | 916daba | 2009-11-17 01:32:57 +0800 | [diff] [blame] | 17 | #include <cs5536/cs5536_mfgpt.h> | 
| Wu Zhangjin | bd92aa0 | 2009-07-02 23:22:36 +0800 | [diff] [blame] | 18 |  | 
|  | 19 | void __init plat_time_init(void) | 
|  | 20 | { | 
|  | 21 | /* setup mips r4k timer */ | 
|  | 22 | mips_hpt_frequency = cpu_clock_freq / 2; | 
| Wu Zhangjin | 916daba | 2009-11-17 01:32:57 +0800 | [diff] [blame] | 23 |  | 
|  | 24 | setup_mfgpt0_timer(); | 
| Wu Zhangjin | bd92aa0 | 2009-07-02 23:22:36 +0800 | [diff] [blame] | 25 | } | 
|  | 26 |  | 
| Linus Torvalds | a03fdb7 | 2009-09-18 09:15:24 -0700 | [diff] [blame] | 27 | void read_persistent_clock(struct timespec *ts) | 
| Wu Zhangjin | bd92aa0 | 2009-07-02 23:22:36 +0800 | [diff] [blame] | 28 | { | 
| Linus Torvalds | dcbb559 | 2009-09-20 15:57:28 -0700 | [diff] [blame] | 29 | ts->tv_sec = mc146818_get_cmos_time(); | 
| Linus Torvalds | a03fdb7 | 2009-09-18 09:15:24 -0700 | [diff] [blame] | 30 | ts->tv_nsec = 0; | 
| Wu Zhangjin | bd92aa0 | 2009-07-02 23:22:36 +0800 | [diff] [blame] | 31 | } |