mkclock.c revision 1.1.2.3
1 1.1.2.3 bouyer /* $NetBSD: mkclock.c,v 1.1.2.3 2000/12/08 09:28:26 bouyer Exp $ */ 2 1.1.2.2 bouyer 3 1.1.2.2 bouyer /*- 4 1.1.2.2 bouyer * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 1.1.2.2 bouyer * All rights reserved. 6 1.1.2.2 bouyer * 7 1.1.2.2 bouyer * This code is derived from software contributed to The NetBSD Foundation 8 1.1.2.2 bouyer * by Wayne Knowles 9 1.1.2.2 bouyer * 10 1.1.2.2 bouyer * Redistribution and use in source and binary forms, with or without 11 1.1.2.2 bouyer * modification, are permitted provided that the following conditions 12 1.1.2.2 bouyer * are met: 13 1.1.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 14 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer. 15 1.1.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 17 1.1.2.2 bouyer * documentation and/or other materials provided with the distribution. 18 1.1.2.2 bouyer * 3. All advertising materials mentioning features or use of this software 19 1.1.2.2 bouyer * must display the following acknowledgement: 20 1.1.2.2 bouyer * This product includes software developed by the NetBSD 21 1.1.2.2 bouyer * Foundation, Inc. and its contributors. 22 1.1.2.2 bouyer * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.1.2.2 bouyer * contributors may be used to endorse or promote products derived 24 1.1.2.2 bouyer * from this software without specific prior written permission. 25 1.1.2.2 bouyer * 26 1.1.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.1.2.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.1.2.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.1.2.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.1.2.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.1.2.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.1.2.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.1.2.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.1.2.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.1.2.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.1.2.2 bouyer * POSSIBILITY OF SUCH DAMAGE. 37 1.1.2.2 bouyer */ 38 1.1.2.2 bouyer 39 1.1.2.2 bouyer #include <sys/param.h> 40 1.1.2.2 bouyer #include <sys/kernel.h> 41 1.1.2.2 bouyer #include <sys/device.h> 42 1.1.2.2 bouyer #include <sys/systm.h> 43 1.1.2.2 bouyer 44 1.1.2.2 bouyer #include <dev/clock_subr.h> 45 1.1.2.2 bouyer 46 1.1.2.2 bouyer #include <machine/cpu.h> 47 1.1.2.2 bouyer #include <machine/mainboard.h> 48 1.1.2.2 bouyer #include <machine/autoconf.h> 49 1.1.2.2 bouyer #include <machine/sysconf.h> 50 1.1.2.2 bouyer #include <machine/bus.h> 51 1.1.2.2 bouyer 52 1.1.2.2 bouyer #include <mipsco/obio/clockreg.h> 53 1.1.2.2 bouyer 54 1.1.2.2 bouyer struct mkclock_softc { 55 1.1.2.2 bouyer struct device dev; 56 1.1.2.2 bouyer bus_space_tag_t sc_bst; 57 1.1.2.2 bouyer bus_space_handle_t sc_bsh; 58 1.1.2.2 bouyer }; 59 1.1.2.2 bouyer 60 1.1.2.3 bouyer static int mkclock_match (struct device *, struct cfdata *, void *); 61 1.1.2.3 bouyer static void mkclock_attach (struct device *, struct device *, void *); 62 1.1.2.2 bouyer 63 1.1.2.2 bouyer struct cfattach mkclock_ca = { 64 1.1.2.2 bouyer sizeof(struct mkclock_softc), mkclock_match, mkclock_attach 65 1.1.2.2 bouyer }; 66 1.1.2.2 bouyer 67 1.1.2.2 bouyer static struct mkclock_softc *mk0; 68 1.1.2.2 bouyer 69 1.1.2.3 bouyer void mkclock_read (struct clock_ymdhms *); 70 1.1.2.3 bouyer void mkclock_write (struct clock_ymdhms *); 71 1.1.2.3 bouyer 72 1.1.2.3 bouyer static int mk_read (struct mkclock_softc *, int); 73 1.1.2.3 bouyer static void mk_write (struct mkclock_softc *, int, int); 74 1.1.2.2 bouyer 75 1.1.2.2 bouyer int 76 1.1.2.2 bouyer mkclock_match(parent, cf, aux) 77 1.1.2.2 bouyer struct device *parent; 78 1.1.2.2 bouyer struct cfdata *cf; 79 1.1.2.2 bouyer void *aux; 80 1.1.2.2 bouyer { 81 1.1.2.2 bouyer return 1; 82 1.1.2.2 bouyer } 83 1.1.2.2 bouyer 84 1.1.2.2 bouyer void 85 1.1.2.2 bouyer mkclock_attach(parent, self, aux) 86 1.1.2.2 bouyer struct device *parent, *self; 87 1.1.2.2 bouyer void *aux; 88 1.1.2.2 bouyer { 89 1.1.2.2 bouyer struct mkclock_softc *sc = (void *)self; 90 1.1.2.2 bouyer struct confargs *ca = aux; 91 1.1.2.2 bouyer 92 1.1.2.2 bouyer sc->sc_bst = ca->ca_bustag; 93 1.1.2.2 bouyer if (bus_space_map(ca->ca_bustag, ca->ca_addr, 94 1.1.2.2 bouyer 0x10000, 95 1.1.2.2 bouyer BUS_SPACE_MAP_LINEAR, 96 1.1.2.2 bouyer &sc->sc_bsh) != 0) { 97 1.1.2.2 bouyer printf(": cannot map registers\n"); 98 1.1.2.2 bouyer return; 99 1.1.2.2 bouyer } 100 1.1.2.2 bouyer 101 1.1.2.2 bouyer platform.write_todr = mkclock_write; 102 1.1.2.2 bouyer platform.read_todr = mkclock_read; 103 1.1.2.2 bouyer mk0 = sc; 104 1.1.2.2 bouyer printf("\n"); 105 1.1.2.2 bouyer } 106 1.1.2.2 bouyer 107 1.1.2.2 bouyer static int 108 1.1.2.2 bouyer mk_read(sc, reg) 109 1.1.2.2 bouyer struct mkclock_softc *sc; 110 1.1.2.2 bouyer int reg; 111 1.1.2.2 bouyer { 112 1.1.2.2 bouyer u_int8_t val; 113 1.1.2.2 bouyer 114 1.1.2.2 bouyer val = bus_space_read_1(sc->sc_bst, sc->sc_bsh, DATA_PORT + reg*4); 115 1.1.2.2 bouyer return FROMBCD(val); 116 1.1.2.2 bouyer } 117 1.1.2.2 bouyer 118 1.1.2.2 bouyer static void 119 1.1.2.2 bouyer mk_write(sc, reg, val) 120 1.1.2.2 bouyer struct mkclock_softc *sc; 121 1.1.2.2 bouyer int reg, val; 122 1.1.2.2 bouyer { 123 1.1.2.2 bouyer bus_space_write_1(sc->sc_bst, sc->sc_bsh, 124 1.1.2.2 bouyer DATA_PORT + reg*4, TOBCD(val)); 125 1.1.2.2 bouyer } 126 1.1.2.2 bouyer 127 1.1.2.2 bouyer void 128 1.1.2.2 bouyer mkclock_read(dt) 129 1.1.2.2 bouyer struct clock_ymdhms *dt; 130 1.1.2.2 bouyer { 131 1.1.2.2 bouyer struct mkclock_softc *sc = mk0; 132 1.1.2.2 bouyer int s = splclock(); 133 1.1.2.2 bouyer 134 1.1.2.2 bouyer bus_space_write_1(sc->sc_bst, sc->sc_bsh, RTC_PORT, READ_CLOCK); 135 1.1.2.2 bouyer dt->dt_sec = mk_read(sc, 0); 136 1.1.2.2 bouyer dt->dt_min = mk_read(sc, 1); 137 1.1.2.2 bouyer dt->dt_hour = mk_read(sc, 2); 138 1.1.2.2 bouyer dt->dt_wday = mk_read(sc, 3); 139 1.1.2.2 bouyer dt->dt_day = mk_read(sc, 4); 140 1.1.2.2 bouyer dt->dt_mon = mk_read(sc, 5); 141 1.1.2.2 bouyer dt->dt_year = mk_read(sc, 6); 142 1.1.2.2 bouyer bus_space_write_1(sc->sc_bst, sc->sc_bsh, RTC_PORT, 0); 143 1.1.2.2 bouyer splx(s); 144 1.1.2.2 bouyer 145 1.1.2.2 bouyer dt->dt_year = dt->dt_year + (dt->dt_year >= 70 ? 1900 : 2000); 146 1.1.2.2 bouyer } 147 1.1.2.2 bouyer 148 1.1.2.2 bouyer void 149 1.1.2.2 bouyer mkclock_write(dt) 150 1.1.2.2 bouyer struct clock_ymdhms *dt; 151 1.1.2.2 bouyer { 152 1.1.2.2 bouyer struct mkclock_softc *sc = mk0; 153 1.1.2.2 bouyer int year, s; 154 1.1.2.2 bouyer 155 1.1.2.2 bouyer year = dt->dt_year % 100; 156 1.1.2.2 bouyer 157 1.1.2.2 bouyer s = splclock(); 158 1.1.2.2 bouyer bus_space_write_1(sc->sc_bst, sc->sc_bsh, RTC_PORT, SET_CLOCK); 159 1.1.2.2 bouyer mk_write(sc, 0, dt->dt_sec); 160 1.1.2.2 bouyer mk_write(sc, 1, dt->dt_min); 161 1.1.2.2 bouyer mk_write(sc, 2, dt->dt_hour); 162 1.1.2.2 bouyer /* week day not set */ 163 1.1.2.2 bouyer mk_write(sc, 4, dt->dt_day); 164 1.1.2.2 bouyer mk_write(sc, 5, dt->dt_mon); 165 1.1.2.2 bouyer mk_write(sc, 6, year); 166 1.1.2.2 bouyer bus_space_write_1(sc->sc_bst, sc->sc_bsh, RTC_PORT, 0); 167 1.1.2.2 bouyer splx(s); 168 1.1.2.2 bouyer } 169
Indexes created Fri Oct 31 11:10:07 GMT 2025