1/* $NetBSD: mainbus.c,v 1.10 2005/12/11 12:18:25 christos 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/cdefs.h> 32__KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.10 2005/12/11 12:18:25 christos Exp $"); 33 34#include <sys/param.h> 35#include <sys/systm.h> 36#include <sys/device.h> 37#include <sys/reboot.h> 38 39#include <machine/autoconf.h> 40#include <machine/apbus.h> 41 42/* Definition of the mainbus driver. */ 43static int mbmatch(device_t, cfdata_t, void *); 44static void mbattach(device_t, device_t, void *); 45static int mbprint(void *, const char *); 46 47CFATTACH_DECL_NEW(mainbus, 0, 48 mbmatch, mbattach, NULL, NULL); 49 50/* There can be only one. */ 51static int mainbus_found; 52 53static int 54mbmatch(device_t parent, cfdata_t cf, void *aux) 55{ 56 57 if (mainbus_found) 58 return 0; 59 60 return 1; 61} 62 63static void 64mbattach(device_t parent, device_t self, void *aux) 65{ 66 struct confargs nca; 67 68 mainbus_found = 1; 69 aprint_normal("\n"); 70 71 nca.ca_name = "cpu"; 72 config_found(self, &nca, mbprint); 73 74 /* XXX */ 75 if (_sip != NULL) { 76 nca.ca_name = "ap"; 77 config_found(self, &nca, NULL); 78 } else { 79 nca.ca_name = "hb"; 80 config_found(self, &nca, NULL); 81 } 82} 83 84static int 85mbprint(void *aux, const char *pnp) 86{ 87 88 if (pnp) 89 return QUIET; 90 return UNCONF; 91} 92