1 /* $NetBSD: mainbus.c,v 1.22 2021/08/07 16:18:55 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 2001, 2004 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 1.22 2021/08/07 16:18:55 thorpej 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/platid.h>
38 #include <machine/platid_mask.h>
39
40 #include "locators.h"
41
42 static int mainbus_match(device_t, cfdata_t, void *);
43 static void mainbus_attach(device_t, device_t, void *);
44 static int mainbus_search(device_t, cfdata_t, const int *, void *);
45 static int mainbus_print(void *, const char *);
46
47 CFATTACH_DECL_NEW(mainbus, 0,
48 mainbus_match, mainbus_attach, NULL, NULL);
49
50 static int
mainbus_match(device_t parent,cfdata_t cf,void * aux)51 mainbus_match(device_t parent, cfdata_t cf, void *aux)
52 {
53
54 return (1);
55 }
56
57 static void
mainbus_attach(device_t parent,device_t self,void * aux)58 mainbus_attach(device_t parent, device_t self, void *aux)
59 {
60
61 aprint_naive("\n");
62 aprint_normal("\n");
63
64 /* CPU */
65 config_found(self,
66 &(struct mainbus_attach_args){.ma_name = "cpu"}, mainbus_print,
67 CFARGS(.iattr = "mainbus"));
68
69 /* Devices */
70 config_search(self, NULL,
71 CFARGS(.search = mainbus_search,
72 .iattr = "mainbus"));
73
74 /* APM */
75 config_found(self, NULL, mainbus_print,
76 CFARGS(.iattr = "hpcapmif"));
77
78 if (!pmf_device_register(self, NULL, NULL))
79 aprint_error_dev(self, "unable to establish power handler\n");
80 }
81
82 static int
mainbus_search(device_t parent,cfdata_t cf,const int * ldesc,void * aux)83 mainbus_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
84 {
85 struct mainbus_attach_args maa;
86 int locator = cf->cf_loc[MAINBUSCF_ID];
87
88 if (locator != MAINBUSCF_ID_DEFAULT &&
89 !platid_match(&platid, PLATID_DEREFP(locator)))
90 return (0);
91
92 if (strcmp(cf->cf_name, "cpu") == 0)
93 return 0;
94
95 maa.ma_name = cf->cf_name;
96
97 if (config_probe(parent, cf, &maa))
98 config_attach(parent, cf, &maa, mainbus_print, CFARGS_NONE);
99
100 return (0);
101 }
102
103 static int
mainbus_print(void * aux,const char * pnp)104 mainbus_print(void *aux, const char *pnp)
105 {
106
107 return (pnp ? QUIET : UNCONF);
108 }
109