1 /* $NetBSD: mainbus.c,v 1.6 2002/10/02 04:40:09 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1994, 1995 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Chris G. Demetriou 8 * DECstation port: Jonathan Stone 9 * 10 * Permission to use, copy, modify and distribute this software and 11 * its documentation is hereby granted, provided that both the copyright 12 * notice and this permission notice appear in all copies of the 13 * software, derivative works or modified versions, and any portions 14 * thereof, and that both notices appear in supporting documentation. 15 * 16 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 17 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 18 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 19 * 20 * Carnegie Mellon requests users of this software to return to 21 * 22 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 23 * School of Computer Science 24 * Carnegie Mellon University 25 * Pittsburgh PA 15213-3890 26 * 27 * any improvements or extensions that they make and grant Carnegie the 28 * rights to redistribute these changes. 29 */ 30 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/device.h> 34 35 #include <machine/autoconf.h> 36 #include <machine/cpu.h> 37 38 #include <news68k/news68k/machid.h> 39 40 struct mainbus_softc { 41 struct device sc_dev; 42 }; 43 44 /* Definition of the mainbus driver. */ 45 static int mainbus_match __P((struct device *, struct cfdata *, void *)); 46 static void mainbus_attach __P((struct device *, struct device *, void *)); 47 static int mainbus_search __P((struct device *, struct cfdata *, void *)); 48 static int mainbus_print __P((void *, const char *)); 49 50 CFATTACH_DECL(mainbus, sizeof(struct mainbus_softc), 51 mainbus_match, mainbus_attach, NULL, NULL); 52 53 static int mainbus_found; 54 55 static int 56 mainbus_match(parent, cfdata, aux) 57 struct device *parent; 58 struct cfdata *cfdata; 59 void *aux; 60 { 61 62 if (mainbus_found) 63 return 0; 64 65 return 1; 66 } 67 68 static void 69 mainbus_attach(parent, self, aux) 70 struct device *parent; 71 struct device *self; 72 void *aux; 73 { 74 struct mainbus_attach_args ma; 75 76 mainbus_found = 1; 77 printf("\n"); 78 79 config_search(mainbus_search, self, &ma); 80 } 81 82 static int 83 mainbus_search(parent, cf, aux) 84 struct device *parent; 85 struct cfdata *cf; 86 void *aux; 87 { 88 struct mainbus_attach_args *ma = aux; 89 90 ma->ma_name = cf->cf_name; 91 ma->ma_systype = cf->cf_systype; 92 93 if (config_match(parent, cf, ma) > 0) 94 config_attach(parent, cf, ma, mainbus_print); 95 96 return 0; 97 } 98 99 static int 100 mainbus_print(aux, cp) 101 void *aux; 102 const char *cp; 103 { 104 struct mainbus_attach_args *ma = aux; 105 106 if (cp) 107 printf("%s at %s", ma->ma_name, cp); 108 109 return (UNCONF); 110 } 111