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2cf99e1655
Add functions to convert between seconds and a struct rtc_time. Also add a function that can display the time on the console. BUG=chrome-os-partner:52220 BRANCH=none TEST=(partial) with future commits and after setting RTC on the EC: boot on gru into linux shell, check firmware log: localhost ~ # grep Date: /sys/firmware/log Date: 2016-06-20 (Monday) Time: 18:01:44 Then reboot ~10 seconds and check again: localhost ~ # grep Date: /sys/firmware/log Date: 2016-06-20 (Monday) Time: 18:01:54 Change-Id: Id148ccb7a18a05865b903307358666ff6c7b4a3d Signed-off-by: Martin Roth <martinroth@chromium.org> Original-Commit-Id: 3b02dbcd7d9023ce0acabebcf904e70007428d27 Original-Change-Id: I344c385e2e4cb995d3a374025c205f01c38b660d Original-Signed-off-by: Simon Glass <sjg@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/351782 Original-Commit-Ready: Vadim Bendebury <vbendeb@chromium.org> Original-Tested-by: Vadim Bendebury <vbendeb@chromium.org> Original-Reviewed-by: Vadim Bendebury <vbendeb@chromium.org> Reviewed-on: https://review.coreboot.org/15301 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
40 lines
999 B
C
40 lines
999 B
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright 2014 Google, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _RTC_H_
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#define _RTC_H_
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struct rtc_time
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{
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int sec;
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int min;
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int hour;
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int mday;
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int mon;
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int year;
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int wday;
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};
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/* Implemented by the RTC driver (there can be only one) */
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int rtc_set(const struct rtc_time *time);
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int rtc_get(struct rtc_time *time);
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/* Common functions */
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int rtc_to_tm(int tim, struct rtc_time *tm);
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unsigned long rtc_mktime(const struct rtc_time *tm);
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void rtc_display(const struct rtc_time *tm);
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#endif /* _RTC_H_ */
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