67 lines
2.5 KiB
C
67 lines
2.5 KiB
C
/* $NetBSD: clock.h,v 1.4 2008/04/28 20:23:35 martin Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by UCHIYAMA Yasushi.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* void sh_clock_init(int flags, struct rtc_ops *):
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* flags:
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* SH_CLOCK_NORTC ... If SH RTC module is disabled, set this.
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* internal module don't use RTCCLK.
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* SH_CLOCK_NOINITTODR ... Don't initialize RTC time.
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* rtc_ops:
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* Machine dependent RTC ops pointer. If NULL is specified, use SH
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* internal RTC.
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*
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* void machine_clock_init(void):
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* Implement machine specific part of clock routines.
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* must call sh_clock_init() at exit.
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*
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* int sh_clock_get_cpuclock(void):
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* returns CPU clock estimated by sh_clock_init().
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*
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* int sh_clock_get_pclock(void):
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* returns PCLOCK. when PCLOCK is not specified by kernel configuration
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* file, this value is estimated by sh_clock_init().
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*
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*/
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#ifndef _SH3_CLOCK_H_
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#define _SH3_CLOCK_H_
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void machine_clock_init(void);
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void sh_clock_init(int);
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#define SH_CLOCK_NORTC 0x00000001
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#define SH_CLOCK_NOINITTODR 0x00000002
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int sh_clock_get_cpuclock(void);
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int sh_clock_get_pclock(void);
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#endif /* _SH3_CLOCK_H_ */
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