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      1 /*	$NetBSD: mainbus.c,v 1.13 2021/08/07 16:18:48 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2002 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 1.13 2021/08/07 16:18:48 thorpej Exp $");
     31 
     32 #include <sys/param.h>
     33 #include <sys/systm.h>
     34 #include <sys/device.h>
     35 #include <machine/autoconf.h>
     36 
     37 static int mainbus_match(device_t, cfdata_t, void *);
     38 static void mainbus_attach(device_t, device_t, void *);
     39 static int mainbus_print(void *, const char *);
     40 
     41 static struct mainbus_attach_args mainbusdevs[] = {
     42 	{ "cpu" },
     43 	{ "shb" },
     44 	{ NULL }	/* terminator */
     45 };
     46 
     47 CFATTACH_DECL_NEW(mainbus, 0,
     48     mainbus_match, mainbus_attach, NULL, NULL);
     49 
     50 int
     51 mainbus_match(device_t parent, cfdata_t cf, void *aux)
     52 {
     53 
     54 	return 1;
     55 }
     56 
     57 void
     58 mainbus_attach(device_t parent, device_t self, void *aux)
     59 {
     60 	struct mainbus_attach_args *ma;
     61 
     62 	aprint_normal("\n");
     63 
     64 	for (ma = mainbusdevs; ma->ma_name != NULL; ma++)
     65 		config_found(self, ma, mainbus_print, CFARGS_NONE);
     66 }
     67 
     68 int
     69 mainbus_print(void *aux, const char *pnp)
     70 {
     71 
     72 	return pnp ? QUIET : UNCONF;
     73 }
     74