autoconf.c revision 146791 
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 146791 2005-05-29 22:48:41Z marcel $
27 */
28
29#include "opt_bootp.h"
30#include "opt_isa.h"
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/conf.h>
35#include <sys/reboot.h>
36#include <sys/kernel.h>
37#include <sys/mount.h>
38#include <sys/sysctl.h>
39#include <sys/bus.h>
40#include <sys/cons.h>
41
42#include <machine/md_var.h>
43#include <machine/bootinfo.h>
44
45#include <cam/cam.h>
46#include <cam/cam_ccb.h>
47#include <cam/cam_sim.h>
48#include <cam/cam_periph.h>
49#include <cam/cam_xpt_sim.h>
50#include <cam/cam_debug.h>
51
52static void	configure_first(void *);
53static void	configure(void *);
54static void	configure_final(void *);
55
56SYSINIT(configure1, SI_SUB_CONFIGURE, SI_ORDER_FIRST, configure_first, NULL);
57/* SI_ORDER_SECOND is hookable */
58SYSINIT(configure2, SI_SUB_CONFIGURE, SI_ORDER_THIRD, configure, NULL);
59/* SI_ORDER_MIDDLE is hookable */
60SYSINIT(configure3, SI_SUB_CONFIGURE, SI_ORDER_ANY, configure_final, NULL);
61
62#ifdef BOOTP
63void bootpc_init(void);
64#endif
65
66#ifdef DEV_ISA
67#include <isa/isavar.h>
68device_t isa_bus_device = 0;
69#endif
70
71/*
72 * Determine i/o configuration for a machine.
73 */
74static void
75configure_first(void *dummy)
76{
77}
78
79static void
80configure(void *dummy)
81{
82
83	device_add_child(root_bus, "nexus", 0);
84
85	root_bus_configure();
86
87	/*
88	 * Probe ISA devices after everything.
89	 */
90#ifdef DEV_ISA
91	if (isa_bus_device)
92		isa_probe_children(isa_bus_device);
93#endif
94}
95
96static void
97configure_final(void *dummy)
98{
99
100	/*
101	 * Now we're ready to handle (pending) interrupts.
102	 * XXX this is slightly misplaced.
103	 */
104	enable_intr();
105
106	cninit_finish();
107	cold = 0;
108}
109