1 /* $NetBSD: mainbus.c,v 1.15 2006/10/01 03:53:27 tsutsui 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 Gordon W. Ross. 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/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.15 2006/10/01 03:53:27 tsutsui Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/device.h> 45 46 #include <machine/autoconf.h> 47 48 static int main_match(struct device *, struct cfdata *, void *); 49 static void main_attach(struct device *, struct device *, void *); 50 51 CFATTACH_DECL(mainbus, sizeof(struct device), 52 main_match, main_attach, NULL, NULL); 53 54 /* 55 * Probe for the mainbus; always succeeds. 56 */ 57 static int 58 main_match(struct device *parent, struct cfdata *cf, void *aux) 59 { 60 61 return 1; 62 } 63 64 /* 65 * Do "direct" configuration for the bus types on mainbus. 66 * This controls the order of autoconfig for important things 67 * used early. For example, idprom is used by Ether drivers. 68 */ 69 static void 70 main_attach(struct device *parent, struct device *self, void *args) 71 { 72 struct confargs ca; 73 int i; 74 75 printf("\n"); 76 77 ca.ca_bustag = &mainbus_space_tag; 78 ca.ca_dmatag = &mainbus_dma_tag; 79 ca.ca_name = NULL; 80 ca.ca_paddr = -1; 81 ca.ca_intpri = -1; 82 ca.ca_intvec = -1; 83 84 for (i = 0; i < BUS__NTYPES; i++) { 85 ca.ca_bustype = i; 86 (void) config_found(self, &ca, NULL); 87 } 88 } 89