1 /* $NetBSD: mkclock_hb.c,v 1.15 2008/04/28 20:23:30 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 1996 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 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 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: mkclock_hb.c,v 1.15 2008/04/28 20:23:30 martin Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/kernel.h> 37 #include <sys/systm.h> 38 #include <sys/device.h> 39 40 #include <machine/cpu.h> 41 #include <machine/bus.h> 42 43 #include <dev/clock_subr.h> 44 #include <dev/ic/mk48txxreg.h> 45 #include <dev/ic/mk48txxvar.h> 46 47 #include <news68k/news68k/clockvar.h> 48 49 #include <news68k/dev/hbvar.h> 50 51 #include "ioconf.h" 52 53 static int mkclock_hb_match(device_t, cfdata_t, void *); 54 static void mkclock_hb_attach(device_t, device_t, void *); 55 56 CFATTACH_DECL_NEW(mkclock_hb, sizeof(struct mk48txx_softc), 57 mkclock_hb_match, mkclock_hb_attach, NULL, NULL); 58 59 static int 60 mkclock_hb_match(device_t parent, cfdata_t cf, void *aux) 61 { 62 struct hb_attach_args *ha = aux; 63 static int mkclock_hb_matched; 64 65 /* Only one clock, please. */ 66 if (mkclock_hb_matched) 67 return 0; 68 69 if (strcmp(ha->ha_name, mkclock_cd.cd_name)) 70 return 0; 71 72 ha->ha_size = MK48T02_CLKSZ; 73 74 mkclock_hb_matched = 1; 75 76 return 1; 77 } 78 79 static void 80 mkclock_hb_attach(device_t parent, device_t self, void *aux) 81 { 82 struct mk48txx_softc *sc = device_private(self); 83 struct hb_attach_args *ha = aux; 84 85 sc->sc_dev = self; 86 sc->sc_bst = ha->ha_bust; 87 if (bus_space_map(sc->sc_bst, (bus_addr_t)ha->ha_address, ha->ha_size, 88 0, &sc->sc_bsh) != 0) 89 aprint_error("can't map device space\n"); 90 91 sc->sc_model = "mk48t02"; 92 sc->sc_year0 = 1900; 93 mk48txx_attach(sc); 94 95 aprint_normal("\n"); 96 } 97