mkclock_ap.c revision 1.2.4.4
1 1.2.4.4 skrll /* $NetBSD: mkclock_ap.c,v 1.2.4.4 2004/09/21 13:19:32 skrll Exp $ */ 2 1.2.4.2 skrll 3 1.2.4.2 skrll /*- 4 1.2.4.2 skrll * Copyright (c) 1996 The NetBSD Foundation, Inc. 5 1.2.4.2 skrll * All rights reserved. 6 1.2.4.2 skrll * 7 1.2.4.2 skrll * This code is derived from software contributed to The NetBSD Foundation 8 1.2.4.2 skrll * by Jason R. Thorpe. 9 1.2.4.2 skrll * 10 1.2.4.2 skrll * Redistribution and use in source and binary forms, with or without 11 1.2.4.2 skrll * modification, are permitted provided that the following conditions 12 1.2.4.2 skrll * are met: 13 1.2.4.2 skrll * 1. Redistributions of source code must retain the above copyright 14 1.2.4.2 skrll * notice, this list of conditions and the following disclaimer. 15 1.2.4.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.4.2 skrll * notice, this list of conditions and the following disclaimer in the 17 1.2.4.2 skrll * documentation and/or other materials provided with the distribution. 18 1.2.4.2 skrll * 3. All advertising materials mentioning features or use of this software 19 1.2.4.2 skrll * must display the following acknowledgement: 20 1.2.4.2 skrll * This product includes software developed by the NetBSD 21 1.2.4.2 skrll * Foundation, Inc. and its contributors. 22 1.2.4.2 skrll * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.2.4.2 skrll * contributors may be used to endorse or promote products derived 24 1.2.4.2 skrll * from this software without specific prior written permission. 25 1.2.4.2 skrll * 26 1.2.4.2 skrll * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.2.4.2 skrll * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.2.4.2 skrll * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.2.4.2 skrll * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.2.4.2 skrll * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.2.4.2 skrll * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.2.4.2 skrll * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.2.4.2 skrll * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.2.4.2 skrll * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.2.4.2 skrll * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.2.4.2 skrll * POSSIBILITY OF SUCH DAMAGE. 37 1.2.4.2 skrll */ 38 1.2.4.2 skrll 39 1.2.4.2 skrll #include <sys/cdefs.h> 40 1.2.4.4 skrll __KERNEL_RCSID(0, "$NetBSD: mkclock_ap.c,v 1.2.4.4 2004/09/21 13:19:32 skrll Exp $"); 41 1.2.4.2 skrll 42 1.2.4.2 skrll #include <sys/param.h> 43 1.2.4.2 skrll #include <sys/kernel.h> 44 1.2.4.2 skrll #include <sys/systm.h> 45 1.2.4.2 skrll #include <sys/device.h> 46 1.2.4.2 skrll 47 1.2.4.2 skrll #include <machine/cpu.h> 48 1.2.4.2 skrll #include <machine/bus.h> 49 1.2.4.2 skrll 50 1.2.4.2 skrll #include <dev/clock_subr.h> 51 1.2.4.2 skrll #include <dev/ic/mk48txxreg.h> 52 1.2.4.2 skrll #include <dev/ic/mk48txxvar.h> 53 1.2.4.2 skrll 54 1.2.4.2 skrll #include <newsmips/apbus/apbusvar.h> 55 1.2.4.2 skrll 56 1.2.4.2 skrll #define MKCLOCK_AP_STRIDE 2 57 1.2.4.2 skrll #define MKCLOCK_AP_OFFSET \ 58 1.2.4.2 skrll ((MK48T02_CLKOFF + MK48TXX_ICSR) << MKCLOCK_AP_STRIDE) 59 1.2.4.2 skrll 60 1.2.4.2 skrll int mkclock_ap_match(struct device *, struct cfdata *, void *); 61 1.2.4.2 skrll void mkclock_ap_attach(struct device *, struct device *, void *); 62 1.2.4.2 skrll static u_int8_t mkclock_ap_nvrd(struct mk48txx_softc *, int); 63 1.2.4.2 skrll static void mkclock_ap_nvwr(struct mk48txx_softc *, int, u_int8_t); 64 1.2.4.2 skrll 65 1.2.4.2 skrll CFATTACH_DECL(mkclock_ap, sizeof(struct mk48txx_softc), 66 1.2.4.2 skrll mkclock_ap_match, mkclock_ap_attach, NULL, NULL); 67 1.2.4.2 skrll 68 1.2.4.2 skrll extern struct cfdriver mkclock_cd; 69 1.2.4.2 skrll 70 1.2.4.2 skrll int 71 1.2.4.2 skrll mkclock_ap_match(parent, cf, aux) 72 1.2.4.2 skrll struct device *parent; 73 1.2.4.2 skrll struct cfdata *cf; 74 1.2.4.2 skrll void *aux; 75 1.2.4.2 skrll { 76 1.2.4.2 skrll struct apbus_attach_args *apa = aux; 77 1.2.4.2 skrll 78 1.2.4.2 skrll if (strcmp("clock", apa->apa_name) != 0) 79 1.2.4.2 skrll return 0; 80 1.2.4.2 skrll 81 1.2.4.2 skrll return 1; 82 1.2.4.2 skrll } 83 1.2.4.2 skrll 84 1.2.4.2 skrll void 85 1.2.4.2 skrll mkclock_ap_attach(parent, self, aux) 86 1.2.4.2 skrll struct device *parent, *self; 87 1.2.4.2 skrll void *aux; 88 1.2.4.2 skrll { 89 1.2.4.2 skrll struct mk48txx_softc *sc = (void *)self; 90 1.2.4.2 skrll struct apbus_attach_args *apa = aux; 91 1.2.4.2 skrll 92 1.2.4.2 skrll printf(" slot%d addr 0x%lx", apa->apa_slotno, apa->apa_hwbase); 93 1.2.4.2 skrll if (bus_space_map(sc->sc_bst, apa->apa_hwbase - MKCLOCK_AP_OFFSET, 94 1.2.4.2 skrll MK48T02_CLKSZ, 0, &sc->sc_bsh) != 0) 95 1.2.4.2 skrll printf("can't map device space\n"); 96 1.2.4.2 skrll 97 1.2.4.2 skrll sc->sc_model = "mk48t02"; 98 1.2.4.2 skrll sc->sc_year0 = 1900; 99 1.2.4.2 skrll sc->sc_nvrd = mkclock_ap_nvrd; 100 1.2.4.2 skrll sc->sc_nvwr = mkclock_ap_nvwr; 101 1.2.4.2 skrll 102 1.2.4.2 skrll mk48txx_attach(sc); 103 1.2.4.2 skrll 104 1.2.4.2 skrll printf("\n"); 105 1.2.4.2 skrll 106 1.2.4.2 skrll todr_attach(&sc->sc_handle); 107 1.2.4.2 skrll } 108 1.2.4.2 skrll 109 1.2.4.2 skrll static u_int8_t 110 1.2.4.2 skrll mkclock_ap_nvrd(sc, off) 111 1.2.4.2 skrll struct mk48txx_softc *sc; 112 1.2.4.2 skrll int off; 113 1.2.4.2 skrll { 114 1.2.4.2 skrll u_int8_t rv; 115 1.2.4.2 skrll 116 1.2.4.2 skrll rv = bus_space_read_4(sc->sc_bst, sc->sc_bsh, off << MKCLOCK_AP_STRIDE); 117 1.2.4.2 skrll return rv; 118 1.2.4.2 skrll } 119 1.2.4.2 skrll 120 1.2.4.2 skrll static void 121 1.2.4.2 skrll mkclock_ap_nvwr(sc, off, v) 122 1.2.4.2 skrll struct mk48txx_softc *sc; 123 1.2.4.2 skrll int off; 124 1.2.4.2 skrll u_int8_t v; 125 1.2.4.2 skrll { 126 1.2.4.2 skrll 127 1.2.4.2 skrll bus_space_write_4(sc->sc_bst, sc->sc_bsh, off << MKCLOCK_AP_STRIDE, v); 128 1.2.4.2 skrll } 129
Indexes created Mon Oct 27 08:10:08 GMT 2025