xref: /netbsd/sys/arch/macppc/macppc/mainbus.c (revision bf9ec67e)
1 /*	$NetBSD: mainbus.c,v 1.9 2001/07/22 11:29:47 wiz Exp $	*/
2 
3 /*
4  * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
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  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *      This product includes software developed by Christopher G. Demetriou
17  *	for the NetBSD Project.
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #include <sys/param.h>
34 #include <sys/device.h>
35 #include <sys/systm.h>
36 
37 #include <dev/pci/pcivar.h>
38 #include <dev/ofw/openfirm.h>
39 
40 #include <machine/autoconf.h>
41 
42 int	mainbus_match __P((struct device *, struct cfdata *, void *));
43 void	mainbus_attach __P((struct device *, struct device *, void *));
44 int	mainbus_print __P((void *, const char *));
45 
46 struct cfattach mainbus_ca = {
47 	sizeof(struct device), mainbus_match, mainbus_attach
48 };
49 
50 /*
51  * Probe for the mainbus; always succeeds.
52  */
53 int
54 mainbus_match(parent, cf, aux)
55 	struct device *parent;
56 	struct cfdata *cf;
57 	void *aux;
58 {
59 	return 1;
60 }
61 
62 /*
63  * Attach the mainbus.
64  */
65 void
66 mainbus_attach(parent, self, aux)
67 	struct device *parent, *self;
68 	void *aux;
69 {
70 	struct ofbus_attach_args oba;
71 	struct confargs ca;
72 	int node, i;
73 	u_int32_t reg[4];
74 	char name[32];
75 
76 	printf("\n");
77 
78 	for (i = 0; i < 2; i++) {
79 		ca.ca_name = "cpu";
80 		ca.ca_reg = reg;
81 		reg[0] = i;
82 		config_found(self, &ca, NULL);
83 	}
84 
85 	node = OF_peer(0);
86 	if (node) {
87 		oba.oba_busname = "ofw";
88 		oba.oba_phandle = node;
89 		config_found(self, &oba, NULL);
90 	}
91 
92 	for (node = OF_child(OF_finddevice("/")); node; node = OF_peer(node)) {
93 		memset(name, 0, sizeof(name));
94 		if (OF_getprop(node, "name", name, sizeof(name)) == -1)
95 			continue;
96 
97 		ca.ca_name = name;
98 		ca.ca_node = node;
99 		ca.ca_nreg = OF_getprop(node, "reg", reg, sizeof(reg));
100 		ca.ca_reg  = reg;
101 		config_found(self, &ca, NULL);
102 	}
103 }
104 
105 int
106 mainbus_print(aux, pnp)
107 	void *aux;
108 	const char *pnp;
109 {
110 	struct pcibus_attach_args *pa= aux;
111 
112 	if (pnp)
113 		printf("%s at %s", pa->pba_busname, pnp);
114 	printf(" bus %d", pa->pba_bus);
115 	return UNCONF;
116 }
117