autoconf.c revision 209775 
1/*-
2 * Copyright (c) 1998 Doug Rabson
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/ia64/ia64/autoconf.c 209775 2010-07-07 19:34:48Z marcel $
27 */
28
29#include "opt_isa.h"
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/conf.h>
34#include <sys/reboot.h>
35#include <sys/kernel.h>
36#include <sys/mount.h>
37#include <sys/sysctl.h>
38#include <sys/bus.h>
39#include <sys/cons.h>
40
41#include <machine/bootinfo.h>
42#include <machine/intr.h>
43#include <machine/md_var.h>
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#ifdef DEV_ISA
56#include <isa/isavar.h>
57device_t isa_bus_device = 0;
58#endif
59
60/*
61 * Determine i/o configuration for a machine.
62 */
63static void
64configure_first(void *dummy)
65{
66
67	device_add_child(root_bus, "nexus", 0);
68}
69
70static void
71configure(void *dummy)
72{
73
74	root_bus_configure();
75
76	/*
77	 * Probe ISA devices after everything.
78	 */
79#ifdef DEV_ISA
80	if (isa_bus_device)
81		isa_probe_children(isa_bus_device);
82#endif
83}
84
85static void
86configure_final(void *dummy)
87{
88
89	cninit_finish();
90
91	ia64_enable_intr();
92
93	cold = 0;
94}
95