Convert to MI todr framework.
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gdamore
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7b0092122f
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57933cb8b6
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/* $NetBSD: todclock.c,v 1.9 2005/12/11 12:16:37 christos Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Lawrence Berkeley Laboratory.
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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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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)clock.c 8.1 (Berkeley) 6/11/93
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: todclock.c,v 1.9 2005/12/11 12:16:37 christos Exp $");
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <dev/clock_subr.h>
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static todr_chip_handle_t todr_handle;
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/*
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* Common parts of todclock autoconfiguration.
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*/
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void
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todr_attach(todr_chip_handle_t handle)
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{
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if (todr_handle)
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panic("todr_attach: too many todclocks configured");
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todr_handle = handle;
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}
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/*
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* Set up the system's time, given a `reasonable' time value.
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*/
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void
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inittodr(time_t base)
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{
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int badbase, waszero;
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badbase = 0;
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waszero = (base == 0);
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if (base < 5 * SECYR) {
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/*
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* If base is 0, assume filesystem time is just unknown
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* in stead of preposterous. Don't bark.
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*/
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if (base != 0)
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printf("WARNING: preposterous time in file system\n");
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/* not going to use it anyway, if the chip is readable */
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/* 2002/7/1 12:00:00 */
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base = 32*SECYR + 186*SECDAY + SECDAY/2;
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badbase = 1;
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}
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if (todr_gettime(todr_handle, &time) != 0 ||
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time.tv_sec == 0) {
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printf("WARNING: bad date in battery clock");
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/*
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* Believe the time in the file system for lack of
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* anything better, resetting the clock.
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*/
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time.tv_sec = base;
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if (!badbase)
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resettodr();
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} else {
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int deltat = time.tv_sec - base;
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if (deltat < 0)
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deltat = -deltat;
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if (waszero || deltat < 2 * SECDAY)
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return;
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printf("WARNING: clock %s %d days",
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time.tv_sec < base ? "lost" : "gained", deltat / SECDAY);
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}
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printf(" -- CHECK AND RESET THE DATE!\n");
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}
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/*
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* Reset the clock based on the current time.
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* Used when the current clock is preposterous, when the time is changed,
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* and when rebooting. Do nothing if the time is not yet known, e.g.,
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* when crashing during autoconfig.
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*/
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void
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resettodr(void)
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{
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if (time.tv_sec == 0)
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return;
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if (todr_settime(todr_handle, &time) != 0)
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printf("resettodr: cannot set time in time-of-day clock\n");
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}
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@ -1,4 +1,4 @@
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# $NetBSD: files.arc,v 1.55 2006/06/25 16:11:41 tsutsui Exp $
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# $NetBSD: files.arc,v 1.56 2006/09/03 18:12:48 gdamore Exp $
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# $OpenBSD: files.arc,v 1.21 1999/09/11 10:20:20 niklas Exp $
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#
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# maxpartitions must be first item in files.${ARCH}
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@ -69,7 +69,6 @@ file arch/arc/arc/disksubr.c
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file arch/arc/arc/machdep.c
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#file arch/arc/arc/minidebug.c
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file arch/arc/arc/timer.c
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file arch/arc/arc/todclock.c
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file arch/arc/arc/interrupt.c
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file arch/arc/arc/bus_space.c
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file arch/arc/arc/bus_space_sparse.c
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@ -1,10 +1,11 @@
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/* $NetBSD: types.h,v 1.17 2006/09/03 13:51:23 bjh21 Exp $ */
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/* $NetBSD: types.h,v 1.18 2006/09/03 18:12:48 gdamore Exp $ */
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#define _MIPS_PADDR_T_64BIT
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#include <mips/types.h>
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#define __HAVE_GENERIC_SOFT_INTERRUPTS
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#define __HAVE_GENERIC_TODR
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#define __HAVE_DEVICE_REGISTER
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#define __HAVE_MIPS_MACHDEP_CACHE_CONFIG
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