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>
24 #include <asm/firmware.h>
26 #include <asm/lv1call.h>
31 #define dump_tm(_a) _dump_tm(_a, __func__, __LINE__)
32 static void _dump_tm(const struct rtc_time
*tm
, const char* func
, int line
)
34 pr_debug("%s:%d tm_sec %d\n", func
, line
, tm
->tm_sec
);
35 pr_debug("%s:%d tm_min %d\n", func
, line
, tm
->tm_min
);
36 pr_debug("%s:%d tm_hour %d\n", func
, line
, tm
->tm_hour
);
37 pr_debug("%s:%d tm_mday %d\n", func
, line
, tm
->tm_mday
);
38 pr_debug("%s:%d tm_mon %d\n", func
, line
, tm
->tm_mon
);
39 pr_debug("%s:%d tm_year %d\n", func
, line
, tm
->tm_year
);
40 pr_debug("%s:%d tm_wday %d\n", func
, line
, tm
->tm_wday
);
43 #define dump_time(_a) _dump_time(_a, __func__, __LINE__)
44 static void __maybe_unused
_dump_time(int time
, const char *func
,
51 pr_debug("%s:%d time %d\n", func
, line
, time
);
52 _dump_tm(&tm
, func
, line
);
55 void __init
ps3_calibrate_decr(void)
60 result
= ps3_repository_read_be_tb_freq(0, &tmp
);
64 ppc_proc_freq
= ppc_tb_freq
* 40;
67 static u64
read_rtc(void)
73 result
= lv1_get_rtc(&rtc_val
, &tb_val
);
79 unsigned long __init
ps3_get_boot_time(void)
81 return read_rtc() + ps3_os_area_get_rtc_diff();
84 static int __init
ps3_rtc_init(void)
86 struct platform_device
*pdev
;
88 if (!firmware_has_feature(FW_FEATURE_PS3_LV1
))
91 pdev
= platform_device_register_simple("rtc-ps3", -1, NULL
, 0);
98 module_init(ps3_rtc_init
);
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