1 /* $NetBSD: mkclock_hb.c,v 1.4 2002/10/02 04:40:08 thorpej 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/param.h> 40 #include <sys/kernel.h> 41 #include <sys/systm.h> 42 #include <sys/device.h> 43 44 #include <machine/cpu.h> 45 #include <machine/bus.h> 46 47 #include <dev/clock_subr.h> 48 #include <dev/ic/mk48txxreg.h> 49 50 #include <news68k/news68k/clockvar.h> 51 52 #include <news68k/dev/hbvar.h> 53 54 int mkclock_hb_match __P((struct device *, struct cfdata *, void *)); 55 void mkclock_hb_attach __P((struct device *, struct device *, void *)); 56 57 CFATTACH_DECL(mkclock_hb, sizeof(struct device), 58 mkclock_hb_match, mkclock_hb_attach, NULL, NULL); 59 60 extern struct cfdriver mkclock_cd; 61 62 int 63 mkclock_hb_match(parent, cf, aux) 64 struct device *parent; 65 struct cfdata *cf; 66 void *aux; 67 { 68 struct hb_attach_args *ha = aux; 69 static int mkclock_hb_matched; 70 71 /* Only one clock, please. */ 72 if (mkclock_hb_matched) 73 return (0); 74 75 if (strcmp(ha->ha_name, mkclock_cd.cd_name)) 76 return (0); 77 78 ha->ha_size = MK48T02_CLKSZ; 79 80 mkclock_hb_matched = 1; 81 82 return 1; 83 } 84 85 void 86 mkclock_hb_attach(parent, self, aux) 87 struct device *parent, *self; 88 void *aux; 89 { 90 struct hb_attach_args *ha = aux; 91 bus_space_tag_t bst = ha->ha_bust; 92 bus_space_handle_t bsh; 93 todr_chip_handle_t handle; 94 95 if (bus_space_map(bst, (bus_addr_t)ha->ha_address, ha->ha_size, 96 0, &bsh) != 0) 97 printf("can't map device space\n"); 98 99 handle = mk48txx_attach(bst, bsh, "mk48t02", 1900, NULL, NULL); 100 if (handle == NULL) 101 panic("can't attach tod clock"); 102 103 printf("\n"); 104 105 handle->bus_cookie = NULL; 106 handle->todr_setwen = NULL; 107 108 todclock_config(handle); 109 } 110