2 * Copyright (c) 2015 The FreeBSD Foundation
4 * This software was developed by Andrew Turner under
5 * sponsorship from the FreeBSD Foundation.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/cdefs.h>
32 * Setup the system to run on the current machine.
34 * Configure() is called at boot time and initializes the vba
35 * device tables and the memory controller monitoring. Available
36 * devices are determined (from possibilities mentioned in ioconf.c),
37 * and the drivers are initialized.
40 #include <sys/param.h>
41 #include <sys/systm.h>
44 #include <sys/kernel.h>
46 #include <machine/intr.h>
48 static void configure_first(void *);
49 static void configure(void *);
50 static void configure_final(void *);
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);
59 * Determine i/o configuration for a machine.
62 configure_first(void *dummy)
65 /* nexus0 is the top of the device tree */
66 device_add_child(root_bus, "nexus", 0);
70 configure(void *dummy)
73 /* initialize new bus architecture */
78 configure_final(void *dummy)
81 /* Enable interrupt reception on this CPU */
86 printf("Device configuration finished.\n");