autoconf.c revision 164372 
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 164372 2006-11-18 07:10:52Z kmacy $
27 */
28
29#include "opt_isa.h"
30#include "opt_global.h"
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/bus.h>
35#include <sys/cons.h>
36#include <sys/kernel.h>
37
38#ifdef DEV_ISA
39#include <isa/isavar.h>
40extern device_t isa_bus_device;
41#endif
42
43static device_t nexusdev;
44
45static void	configure_first(void *);
46static void	configure(void *);
47static void	configure_final(void *);
48
49SYSINIT(configure1, SI_SUB_CONFIGURE, SI_ORDER_FIRST, configure_first, NULL);
50/* SI_ORDER_SECOND is hookable */
51SYSINIT(configure2, SI_SUB_CONFIGURE, SI_ORDER_THIRD, configure, NULL);
52/* SI_ORDER_MIDDLE is hookable */
53SYSINIT(configure3, SI_SUB_CONFIGURE, SI_ORDER_ANY, configure_final, NULL);
54
55/*
56 * Determine i/o configuration for a machine.
57 */
58static void
59configure_first(void *dummy)
60{
61
62	nexusdev = device_add_child(root_bus, "nexus", 0);
63}
64
65static void
66configure(void *dummy)
67{
68
69#ifdef SUN4V
70	intr_restore_all(0x16);
71#endif
72	root_bus_configure();
73#ifdef DEV_ISA
74	if (isa_bus_device != NULL)
75		isa_probe_children(isa_bus_device);
76#endif
77}
78
79static void
80configure_final(void *dummy)
81{
82
83	cninit_finish();
84	cold = 0;
85}
86