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
27 #include "opt_isa.h"
28
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD: releng/10.0/sys/powerpc/powerpc/autoconf.c 191450 2009-04-24 03:51:11Z marcel $");
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 #include <machine/intr_machdep.h>
39
40 #ifdef DEV_ISA
41 extern void isa_probe_children(device_t dev);
42
43 device_t isa_bus_device;
44 #endif
45
46 static device_t nexusdev;
47
48 static void configure_first(void *);
49 static void configure(void *);
50 static void configure_final(void *);
51
52 SYSINIT(configure1, SI_SUB_CONFIGURE, SI_ORDER_FIRST, configure_first, NULL);
53 /* SI_ORDER_SECOND is hookable */
54 SYSINIT(configure2, SI_SUB_CONFIGURE, SI_ORDER_THIRD, configure, NULL);
55 /* SI_ORDER_MIDDLE is hookable */
56 SYSINIT(configure3, SI_SUB_CONFIGURE, SI_ORDER_ANY, configure_final, NULL);
57
58 /*
59 * Determine i/o configuration for a machine.
60 */
61 static void
62 configure_first(void *dummy)
63 {
64
65 nexusdev = device_add_child(root_bus, "nexus", 0);
66 }
67
68 static void
69 configure(void *dummy)
70 {
71
72 root_bus_configure();
73 #ifdef DEV_ISA
74 if (isa_bus_device)
75 isa_probe_children(isa_bus_device);
76 #endif
77 }
78
79 static void
80 configure_final(void *dummy)
81 {
82
83 /*
84 * Now that we're guaranteed to have a PIC driver (or we'll never
85 * have one), program it with all the previously setup interrupts.
86 */
87 powerpc_enable_intr();
88
89 /* Enable external interrupts. */
90 mtmsr(mfmsr() | PSL_EE);
91
92 cninit_finish();
93 cold = 0;
94 }
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