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/* $NetBSD: clock.h,v 1.5 2020/07/11 03:53:32 uwe Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by UCHIYAMA Yasushi.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* void sh_clock_init(int flags):
* flags:
* SH_CLOCK_NORTC ... If SH RTC module is disabled, set this.
* internal module don't use RTCCLK.
* SH_CLOCK_NOINITTODR ... Don't initialize RTC time.
*
* void machine_clock_init(void):
* Implement machine specific part of clock routines.
* must call sh_clock_init() at exit.
*
* int sh_clock_get_cpuclock(void):
* returns CPU clock estimated by sh_clock_init().
*
* int sh_clock_get_pclock(void):
* returns PCLOCK. when PCLOCK is not specified by kernel configuration
* file, this value is estimated by sh_clock_init().
*
*/
#ifndef _SH3_CLOCK_H_
#define _SH3_CLOCK_H_
void machine_clock_init(void);
void sh_clock_init(int);
#define SH_CLOCK_NORTC 0x00000001
#define SH_CLOCK_NOINITTODR 0x00000002
int sh_clock_get_cpuclock(void);
int sh_clock_get_pclock(void);
#endif /* _SH3_CLOCK_H_ */
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