autoconf.c revision 146792 
1/*-
2 * Copyright (c) 2001 Jake Burkholder.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/sparc64/sparc64/autoconf.c 146792 2005-05-29 22:53:48Z marcel $
27 */
28
29#include "opt_isa.h"
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/bus.h>
34#include <sys/cons.h>
35#include <sys/kernel.h>
36
37#ifdef DEV_ISA
38#include <isa/isavar.h>
39extern device_t isa_bus_device;
40#endif
41
42static device_t nexusdev;
43
44static void	configure_first(void *);
45static void	configure(void *);
46static void	configure_final(void *);
47
48SYSINIT(configure1, SI_SUB_CONFIGURE, SI_ORDER_FIRST, configure_first, NULL);
49/* SI_ORDER_SECOND is hookable */
50SYSINIT(configure2, SI_SUB_CONFIGURE, SI_ORDER_THIRD, configure, NULL);
51/* SI_ORDER_MIDDLE is hookable */
52SYSINIT(configure3, SI_SUB_CONFIGURE, SI_ORDER_ANY, configure_final, NULL);
53
54/*
55 * Determine i/o configuration for a machine.
56 */
57static void
58configure_first(void *dummy)
59{
60}
61
62static void
63configure(void *dummy)
64{
65
66	nexusdev = device_add_child(root_bus, "nexus", 0);
67	root_bus_configure();
68#ifdef DEV_ISA
69	if (isa_bus_device != NULL)
70		isa_probe_children(isa_bus_device);
71#endif
72}
73
74static void
75configure_final(void *dummy)
76{
77
78	cninit_finish();
79	cold = 0;
80}
81