1 /* $NetBSD: mainbus.c,v 1.5 2002/10/02 05:12:53 thorpej Exp $ */ 2 3 /* 4 * Copyright 2002 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Simon Burge for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/device.h> 41 42 #include <mips/cache.h> 43 #include <mips/cpuregs.h> 44 45 #include "locators.h" 46 47 static int mainbus_match(struct device *, struct cfdata *, void *); 48 static void mainbus_attach(struct device *, struct device *, void *); 49 static int mainbus_submatch(struct device *, struct cfdata *, void *); 50 static int mainbus_print(void *, const char *); 51 52 CFATTACH_DECL(mainbus, sizeof(struct device), 53 mainbus_match, mainbus_attach, NULL, NULL); 54 55 /* There can be only one. */ 56 int mainbus_found; 57 58 struct mainbusdev { 59 const char *md_name; 60 }; 61 62 struct mainbusdev mainbusdevs[] = { 63 { "cpu", }, 64 { "aubus", }, 65 { "obio", }, 66 { NULL, } 67 }; 68 69 static int 70 mainbus_match(parent, match, aux) 71 struct device *parent; 72 struct cfdata *match; 73 void *aux; 74 { 75 76 if (mainbus_found) 77 return (0); 78 79 return (1); 80 } 81 82 static void 83 mainbus_attach(parent, self, aux) 84 struct device *parent; 85 struct device *self; 86 void *aux; 87 { 88 struct mainbusdev *md; 89 90 mainbus_found = 1; 91 printf("\n"); 92 93 for (md = mainbusdevs; md->md_name != NULL; md++) { 94 config_found_sm(self, NULL, mainbus_print, mainbus_submatch); 95 } 96 } 97 98 static int 99 mainbus_submatch(struct device *parent, struct cfdata *cf, void *aux) 100 { 101 102 return (config_match(parent, cf, aux)); 103 } 104 105 static int 106 mainbus_print(void *aux, const char *pnp) 107 { 108 109 return (UNCONF); 110 } 111