xref: /netbsd/sys/arch/netwinder/netwinder/autoconf.c (revision 6550d01e)
1 /*	$NetBSD: autoconf.c,v 1.10 2007/12/03 15:34:01 ad Exp $	*/
2 
3 /*
4  * Copyright (c) 1994-1998 Mark Brinicombe.
5  * Copyright (c) 1994 Brini.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by Mark Brinicombe for
19  *      the NetBSD project.
20  * 4. The name of the company nor the name of the author may be used to
21  *    endorse or promote products derived from this software without specific
22  *    prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
25  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
28  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  * RiscBSD kernel project
37  *
38  * autoconf.c
39  *
40  * Autoconfiguration functions
41  *
42  * Created      : 08/10/94
43  */
44 
45 #include <sys/cdefs.h>
46 __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.10 2007/12/03 15:34:01 ad Exp $");
47 
48 #include "opt_md.h"
49 
50 #include <sys/param.h>
51 #include <sys/systm.h>
52 #include <sys/reboot.h>
53 #include <sys/disklabel.h>
54 #include <sys/device.h>
55 #include <sys/conf.h>
56 #include <sys/kernel.h>
57 #include <sys/malloc.h>
58 #include <machine/bootconfig.h>
59 #include <machine/intr.h>
60 
61 #include "isa.h"
62 
63 extern int footbridge_imask[NIPL];
64 
65 void isa_intr_init (void);
66 
67 /*
68  * Set up the root device from the boot args
69  */
70 void
71 cpu_rootconf(void)
72 {
73 	printf("boot device: %s\n",
74 	    booted_device != NULL ? booted_device->dv_xname : "<unknown>");
75 	setroot(booted_device, booted_partition);
76 }
77 
78 
79 /*
80  * void cpu_configure()
81  *
82  * Configure all the root devices
83  * The root devices are expected to configure their own children
84  */
85 void
86 cpu_configure(void)
87 {
88 	/*
89 	 * Since various PCI interrupts could be routed via the ICU
90 	 * (for PCI devices in the bridge) we need to set up the ICU
91 	 * now so that these interrupts can be established correctly
92 	 * i.e. This is a hack.
93 	 */
94 	isa_intr_init();
95 
96 	config_rootfound("mainbus", NULL);
97 
98 #if defined(DEBUG)
99 	/* Debugging information */
100 	printf("ipl_bio=%08x ipl_net=%08x ipl_tty=%08x ipl_vm=%08x\n",
101 	    footbridge_imask[IPL_BIO], footbridge_imask[IPL_NET],
102 	    footbridge_imask[IPL_TTY], footbridge_imask[IPL_VM]);
103 
104 	printf("ipl_audio=%08x ipl_imp=%08x ipl_high=%08x ipl_serial=%08x\n",
105 	    footbridge_imask[IPL_AUDIO], footbridge_imask[IPL_CLOCK],
106 	    footbridge_imask[IPL_HIGH], footbridge_imask[IPL_SERIAL]);
107 #endif /* defined(DEBUG) */
108 
109 	/* Time to start taking interrupts so lets open the flood gates .... */
110 	(void)spl0();
111 }
112 
113 void
114 device_register(struct device *dev, void *aux)
115 {
116 }
117 /* End of autoconf.c */
118