1 /* $NetBSD: mainbus.c,v 1.4 2008/04/28 20:23:18 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2001, 2004, 2005 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.4 2008/04/28 20:23:18 martin Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/device.h> 35 36 #include <machine/autoconf.h> 37 #include <machine/sbdvar.h> 38 39 static int mainbus_match(device_t, cfdata_t, void *); 40 static void mainbus_attach(device_t, device_t, void *); 41 static int mainbus_print(void *, const char *); 42 43 CFATTACH_DECL_NEW(mainbus, 0, 44 mainbus_match, mainbus_attach, NULL, NULL); 45 46 static int mainbus_found; 47 48 int 49 mainbus_match(device_t parent, cfdata_t cf, void *aux) 50 { 51 52 if (mainbus_found == 1) 53 return 0; 54 55 return 1; 56 } 57 58 void 59 mainbus_attach(device_t parent, device_t self, void *aux) 60 { 61 struct mainbus_attach_args ma; 62 const char **p; 63 64 mainbus_found = 1; 65 aprint_normal("\n"); 66 67 /* CPU */ 68 ma.ma_name = "cpu"; 69 config_found(self, &ma, mainbus_print); 70 71 /* System Board dependent device busses */ 72 if (platform.mainbusdevs != NULL) { 73 for (p = platform.mainbusdevs; *p != NULL; p++) { 74 ma.ma_name = *p; 75 config_found(self, &ma, mainbus_print); 76 } 77 } 78 } 79 80 int 81 mainbus_print(void *aux, const char *pnp) 82 { 83 84 return pnp ? QUIET : UNCONF; 85 } 86