/* $NetBSD: tod.c,v 1.15 2016/07/07 06:55:39 msaitoh Exp $ */ /* * Copyright (c) 1982, 1990, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department. * * 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. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. * * from: Utah Hdr: clock.c 1.18 91/01/21$ * from: @(#)clock.c 8.2 (Berkeley) 1/12/94 */ /* * Copyright (c) 2001 Matthew Fredette * Copyright (c) 1994 Gordon W. Ross * Copyright (c) 1993 Adam Glass * Copyright (c) 1988 University of Utah. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department. * * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. * * from: Utah Hdr: clock.c 1.18 91/01/21$ * from: @(#)clock.c 8.2 (Berkeley) 1/12/94 */ /* * Machine-dependent clock routines for the NS mm58167 time-of-day chip. * Written by Matthew Fredette, based on the sun3 clock.c by * Adam Glass and Gordon Ross. */ #include <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: tod.c,v 1.15 2016/07/07 06:55:39 msaitoh Exp $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/time.h> #include <sys/kernel.h> #include <sys/device.h> #include <m68k/asm_single.h> #include <machine/autoconf.h> #include <machine/bus.h> #include <machine/cpu.h> #include <sun2/sun2/machdep.h> #include <sun2/sun2/tod.h> #include <dev/vme/vmereg.h> #include <dev/vme/vmevar.h> #include <dev/clock_subr.h> #include <dev/ic/mm58167var.h> static int tod_obio_match(device_t, cfdata_t, void *args); static void tod_obio_attach(device_t, device_t, void *); static int tod_vme_match(device_t, cfdata_t, void *args); static void tod_vme_attach(device_t, device_t, void *); static void tod_attach(struct mm58167_softc *); CFATTACH_DECL_NEW(tod_obio, sizeof(struct mm58167_softc), tod_obio_match, tod_obio_attach, NULL, NULL); CFATTACH_DECL_NEW(tod_vme, sizeof(struct mm58167_softc), tod_vme_match, tod_vme_attach, NULL, NULL); static int tod_attached; static int tod_obio_match(device_t parent, cfdata_t cf, void *args) { struct obio_attach_args *oba = args; bus_space_handle_t bh; int matched; /* This driver only supports one unit. */ if (tod_attached) return 0; /* Make sure there is something there... */ if (bus_space_map(oba->oba_bustag, oba->oba_paddr, MM58167REG_BANK_SZ, 0, &bh)) return 0; matched = (bus_space_peek_1(oba->oba_bustag, bh, 0, NULL) == 0); bus_space_unmap(oba->oba_bustag, bh, MM58167REG_BANK_SZ); return matched; } static void tod_obio_attach(device_t parent, device_t self, void *args) { struct obio_attach_args *oba = args; struct mm58167_softc *sc; tod_attached = 1; sc = device_private(self); sc->mm58167_dev = self; /* Map the device. */ sc->mm58167_regt = oba->oba_bustag; if (bus_space_map(oba->oba_bustag, oba->oba_paddr, MM58167REG_BANK_SZ, 0, &sc->mm58167_regh)) panic("%s: can't map", __func__); tod_attach(sc); } static int tod_vme_match(device_t parent, cfdata_t cf, void *aux) { struct vme_attach_args *va = aux; vme_chipset_tag_t ct = va->va_vct; vme_am_t mod; vme_addr_t vme_addr; /* Make sure there is something there... */ mod = VME_AM_A24 | VME_AM_MBO | VME_AM_SUPER | VME_AM_DATA; vme_addr = va->r[0].offset; if (vme_probe(ct, vme_addr, 1, mod, VME_D8, NULL, 0) != 0) return 0; return 1; } static void tod_vme_attach(device_t parent, device_t self, void *aux) { struct mm58167_softc *sc; struct vme_attach_args *va = aux; vme_chipset_tag_t ct = va->va_vct; bus_space_tag_t bt; bus_space_handle_t bh; vme_am_t mod; vme_mapresc_t resc; sc = device_private(self); sc->mm58167_dev = self; mod = VME_AM_A24 | VME_AM_MBO | VME_AM_SUPER | VME_AM_DATA; if (vme_space_map(ct, va->r[0].offset, MM58167REG_BANK_SZ, mod, VME_D8, 0, &bt, &bh, &resc) != 0) panic("%s: can't map", __func__); sc->mm58167_regt = bt; sc->mm58167_regh = bh; tod_attach(sc); } static void tod_attach(struct mm58167_softc *sc) { todr_chip_handle_t tch; /* Call the IC attach code. */ sc->mm58167_msec_xxx = MM58167REG_MSEC_XXX; sc->mm58167_csec = MM58167REG_CSEC; sc->mm58167_sec = MM58167REG_SEC; sc->mm58167_min = MM58167REG_MIN; sc->mm58167_hour = MM58167REG_HOUR; sc->mm58167_wday = MM58167REG_WDAY; sc->mm58167_day = MM58167REG_DAY; sc->mm58167_mon = MM58167REG_MON; sc->mm58167_status = MM58167REG_STATUS; sc->mm58167_go = MM58167REG_GO; if ((tch = mm58167_attach(sc)) == NULL) panic("%s: can't attach ic", __func__); todr_attach(tch); aprint_normal("\n"); }
