1 /* $NetBSD: mainbus.c,v 1.11 2021/08/07 16:19:00 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 1.11 2021/08/07 16:19:00 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 #include "locators.h"
38
39 static int mainbus_match(device_t, cfdata_t, void *);
40 static void mainbus_attach(device_t, device_t, void *);
41 static int mainbus_search(device_t, cfdata_t, const int *, void *);
42 static int mainbus_print(void *, const char *);
43
44 CFATTACH_DECL_NEW(mainbus, 0,
45 mainbus_match, mainbus_attach, NULL, NULL);
46
47 static int
mainbus_match(device_t parent,cfdata_t cf,void * aux)48 mainbus_match(device_t parent, cfdata_t cf, void *aux)
49 {
50
51 return 1;
52 }
53
54 static void
mainbus_attach(device_t parent,device_t self,void * aux)55 mainbus_attach(device_t parent, device_t self, void *aux)
56 {
57 struct mainbus_attach_args maa;
58
59 aprint_naive("\n");
60 aprint_normal("\n");
61
62 maa.ma_addr1 = MAINBUSCF_ADDR1_DEFAULT;
63 maa.ma_irq1 = MAINBUSCF_IRQ1_DEFAULT;
64
65 /* CPU and SHBus */
66 maa.ma_name = "cpu";
67 config_found(self, &maa, mainbus_print, CFARGS_NONE);
68 maa.ma_name = "shb";
69 config_found(self, &maa, mainbus_print, CFARGS_NONE);
70
71 /* Devices */
72 config_search(self, NULL,
73 CFARGS(.search = mainbus_search));
74 }
75
76 static int
mainbus_search(device_t parent,cfdata_t cf,const int * ldesc,void * aux)77 mainbus_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
78 {
79 struct mainbus_attach_args maa;
80
81 if (strcmp(cf->cf_name, "cpu") == 0 ||
82 strcmp(cf->cf_name, "shb") == 0)
83 return 0;
84
85 maa.ma_name = cf->cf_name;
86 maa.ma_addr1 = cf->cf_loc[MAINBUSCF_ADDR1];
87 maa.ma_addr2 = cf->cf_loc[MAINBUSCF_ADDR2];
88 maa.ma_irq1 = cf->cf_loc[MAINBUSCF_IRQ1];
89 maa.ma_irq2 = cf->cf_loc[MAINBUSCF_IRQ2];
90
91 if (config_probe(parent, cf, &maa))
92 config_attach(parent, cf, &maa, mainbus_print, CFARGS_NONE);
93
94 return 0;
95 }
96
97 static int
mainbus_print(void * aux,const char * pnp)98 mainbus_print(void *aux, const char *pnp)
99 {
100 struct mainbus_attach_args *maa = aux;
101
102 if (maa->ma_addr1 != MAINBUSCF_ADDR1_DEFAULT) {
103 aprint_normal(" addr 0x%lx", maa->ma_addr1);
104 if (maa->ma_addr2 != MAINBUSCF_ADDR2_DEFAULT)
105 aprint_normal(",0x%lx", maa->ma_addr2);
106 }
107 if (maa->ma_irq1 != MAINBUSCF_IRQ1_DEFAULT) {
108 aprint_normal(" irq %d", maa->ma_irq1);
109 if (maa->ma_irq2 != MAINBUSCF_IRQ2_DEFAULT)
110 aprint_normal(",%d", maa->ma_irq2);
111 }
112 return pnp ? QUIET : UNCONF;
113 }
114