1 /* $NetBSD: clock.h,v 1.5 2020/07/11 03:53:32 uwe Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * void sh_clock_init(int flags): 34 * flags: 35 * SH_CLOCK_NORTC ... If SH RTC module is disabled, set this. 36 * internal module don't use RTCCLK. 37 * SH_CLOCK_NOINITTODR ... Don't initialize RTC time. 38 * 39 * void machine_clock_init(void): 40 * Implement machine specific part of clock routines. 41 * must call sh_clock_init() at exit. 42 * 43 * int sh_clock_get_cpuclock(void): 44 * returns CPU clock estimated by sh_clock_init(). 45 * 46 * int sh_clock_get_pclock(void): 47 * returns PCLOCK. when PCLOCK is not specified by kernel configuration 48 * file, this value is estimated by sh_clock_init(). 49 * 50 */ 51 #ifndef _SH3_CLOCK_H_ 52 #define _SH3_CLOCK_H_ 53 54 void machine_clock_init(void); 55 56 void sh_clock_init(int); 57 #define SH_CLOCK_NORTC 0x00000001 58 #define SH_CLOCK_NOINITTODR 0x00000002 59 60 int sh_clock_get_cpuclock(void); 61 int sh_clock_get_pclock(void); 62 63 #endif /* _SH3_CLOCK_H_ */ 64