2 * PS3 time and rtc routines.
4 * Copyright (C) 2006 Sony Computer Entertainment Inc.
5 * Copyright 2006 Sony Corp.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <linux/kernel.h>
22 #include <linux/platform_device.h>
25 #include <asm/lv1call.h>
30 #define dump_tm(_a) _dump_tm(_a, __func__, __LINE__)
31 static void _dump_tm(const struct rtc_time *tm, const char* func, int line)
33 pr_debug("%s:%d tm_sec %d\n", func, line, tm->tm_sec);
34 pr_debug("%s:%d tm_min %d\n", func, line, tm->tm_min);
35 pr_debug("%s:%d tm_hour %d\n", func, line, tm->tm_hour);
36 pr_debug("%s:%d tm_mday %d\n", func, line, tm->tm_mday);
37 pr_debug("%s:%d tm_mon %d\n", func, line, tm->tm_mon);
38 pr_debug("%s:%d tm_year %d\n", func, line, tm->tm_year);
39 pr_debug("%s:%d tm_wday %d\n", func, line, tm->tm_wday);
42 #define dump_time(_a) _dump_time(_a, __func__, __LINE__)
43 static void __maybe_unused _dump_time(int time, const char *func,
50 pr_debug("%s:%d time %d\n", func, line, time);
51 _dump_tm(&tm, func, line);
54 void __init ps3_calibrate_decr(void)
59 result = ps3_repository_read_be_tb_freq(0, &tmp);
63 ppc_proc_freq = ppc_tb_freq * 40;
66 static u64 read_rtc(void)
72 result = lv1_get_rtc(&rtc_val, &tb_val);
78 unsigned long __init ps3_get_boot_time(void)
80 return read_rtc() + ps3_os_area_get_rtc_diff();
83 static int __init ps3_rtc_init(void)
85 struct platform_device *pdev;
87 pdev = platform_device_register_simple("rtc-ps3", -1, NULL, 0);
94 module_init(ps3_rtc_init);