xref: /openbsd/sys/arch/loongson/dev/mainbus.c (revision 4cfece93)
1 /*	$OpenBSD: mainbus.c,v 1.10 2017/01/19 15:09:04 visa Exp $ */
2 
3 /*
4  * Copyright (c) 2001-2003 Opsycon AB  (www.opsycon.se / www.opsycon.com)
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
16  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
19  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  */
28 
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 #include <sys/device.h>
32 
33 #include <machine/autoconf.h>
34 
35 int	mainbus_match(struct device *, void *, void *);
36 void	mainbus_attach(struct device *, struct device *, void *);
37 int	mainbus_print(void *, const char *);
38 
39 const struct cfattach mainbus_ca = {
40 	sizeof(struct device), mainbus_match, mainbus_attach
41 };
42 
43 struct cfdriver mainbus_cd = {
44 	NULL, "mainbus", DV_DULL
45 };
46 
47 int
48 mainbus_match(struct device *parent, void *cfdata, void *aux)
49 {
50 	static int mainbus_attached = 0;
51 
52 	if (mainbus_attached != 0)
53 		return 0;
54 
55 	return mainbus_attached = 1;
56 }
57 
58 void
59 mainbus_attach(struct device *parent, struct device *self, void *aux)
60 {
61 	struct cpu_attach_args caa;
62 
63 	printf(": %s %s\n", sys_platform->vendor, sys_platform->product);
64 
65 	bzero(&caa, sizeof caa);
66 	caa.caa_maa.maa_name = "cpu";
67 	caa.caa_hw = &bootcpu_hwinfo;
68 	config_found(self, &caa, mainbus_print);
69 
70 #ifdef MULTIPROCESSOR
71 	if (sys_platform->config_secondary_cpus != NULL)
72 		sys_platform->config_secondary_cpus(self, mainbus_print);
73 #endif
74 
75 	caa.caa_maa.maa_name = "bonito";
76 	config_found(self, &caa.caa_maa, mainbus_print);
77 
78 	caa.caa_maa.maa_name = "htb";
79 	config_found(self, &caa.caa_maa, mainbus_print);
80 
81 	caa.caa_maa.maa_name = "leioc";
82 	config_found(self, &caa.caa_maa, mainbus_print);
83 
84 	if (md_startclock == NULL) {
85 		caa.caa_maa.maa_name = "clock";
86 		config_found(self, &caa.caa_maa, mainbus_print);
87 	}
88 
89 	caa.caa_maa.maa_name = "apm";
90 	config_found(self, &caa.caa_maa, mainbus_print);
91 }
92 
93 int
94 mainbus_print(void *aux, const char *pnp)
95 {
96 	return pnp != NULL ? QUIET : UNCONF;
97 }
98