xref: /freebsd-13-stable/sys/mips/mips/autoconf.c (revision 3bc80996974a61a4223eae4c1ccd47b6ee32a48a)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1990 The Regents of the University of California.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * William Jolitz.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  *	from: @(#)autoconf.c	7.1 (Berkeley) 5/9/91
35  */
36 
37 #include <sys/cdefs.h>
38 /*
39  * Setup the system to run on the current machine.
40  *
41  * Configure() is called at boot time and initializes the vba
42  * device tables and the memory controller monitoring.  Available
43  * devices are determined (from possibilities mentioned in ioconf.c),
44  * and the drivers are initialized.
45  */
46 #include "opt_bootp.h"
47 #include "opt_bus.h"
48 
49 #include <sys/param.h>
50 #include <sys/systm.h>
51 #include <sys/bus.h>
52 #include <sys/conf.h>
53 #include <sys/reboot.h>
54 #include <sys/kernel.h>
55 #include <sys/malloc.h>
56 #include <sys/mount.h>
57 #include <sys/cons.h>
58 
59 #include <sys/socket.h>
60 #include <net/if.h>
61 #include <net/if_dl.h>
62 #include <net/if_types.h>
63 #include <net/if_var.h>
64 #include <net/ethernet.h>
65 #include <netinet/in.h>
66 
67 #include <machine/cpufunc.h>
68 #include <machine/md_var.h>
69 
70 static void	configure_first(void *);
71 static void	configure(void *);
72 static void	configure_final(void *);
73 
74 SYSINIT(configure1, SI_SUB_CONFIGURE, SI_ORDER_FIRST, configure_first, NULL);
75 /* SI_ORDER_SECOND is hookable */
76 SYSINIT(configure2, SI_SUB_CONFIGURE, SI_ORDER_THIRD, configure, NULL);
77 /* SI_ORDER_MIDDLE is hookable */
78 SYSINIT(configure3, SI_SUB_CONFIGURE, SI_ORDER_ANY, configure_final, NULL);
79 
80 /*
81  * Determine i/o configuration for a machine.
82  */
83 static void
configure_first(dummy)84 configure_first(dummy)
85 	void *dummy;
86 {
87 
88 	/* nexus0 is the top of the mips device tree */
89 	device_add_child(root_bus, "nexus", 0);
90 }
91 
92 static void
configure(dummy)93 configure(dummy)
94 	void *dummy;
95 {
96 
97 	/* initialize new bus architecture */
98 	root_bus_configure();
99 }
100 
101 static void
configure_final(dummy)102 configure_final(dummy)
103 	void *dummy;
104 {
105 	intr_enable();
106 
107 	cninit_finish();
108 
109 	if (bootverbose)
110 		printf("Device configuration finished.\n");
111 
112 	cold = 0;
113 }
114