1/*	$NetBSD$	*/
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
43#include <sys/cdefs.h>
44__KERNEL_RCSID(0, "$NetBSD$");
45
46#include "opt_md.h"
47
48#include <sys/param.h>
49#include <sys/systm.h>
50#include <sys/reboot.h>
51#include <sys/disklabel.h>
52#include <sys/device.h>
53#include <sys/conf.h>
54#include <sys/kernel.h>
55#include <sys/malloc.h>
56#include <machine/bootconfig.h>
57#include <machine/intr.h>
58#include <dev/pci/pcivar.h>
59
60#include "isa.h"
61
62void isa_intr_init(void);
63
64static void get_device(const char *name);
65static void set_root_device(void);
66
67/* Decode a device name to a major and minor number */
68
69static void
70get_device(const char *name)
71{
72	int unit, part;
73	char devname[16];
74	const char *cp;
75	device_t dv;
76
77	if (strncmp(name, "/dev/", 5) == 0)
78		name += 5;
79
80	if (devsw_name2blk(name, devname, sizeof(devname)) == -1)
81		return;
82
83	name += strlen(devname);
84	unit = part = 0;
85
86	cp = name;
87	while (*cp >= '0' && *cp <= '9')
88		unit = (unit * 10) + (*cp++ - '0');
89	if (cp == name)
90		return;
91
92	if (*cp >= 'a' && *cp <= ('a' + MAXPARTITIONS))
93		part = *cp - 'a';
94	else if (*cp != '\0' && *cp != ' ')
95		return;
96
97	if ((dv = device_find_by_driver_unit(devname, unit)) != NULL) {
98		booted_device = dv;
99		booted_partition = part;
100	}
101}
102
103static void
104set_root_device(void)
105{
106	char *ptr;
107
108	if (boot_file)
109		get_device(boot_file);
110	if (boot_args &&
111	    get_bootconf_option(boot_args, "root", BOOTOPT_TYPE_STRING, &ptr))
112		get_device(ptr);
113}
114
115/*
116 * Set up the root device from the boot args
117 */
118void
119cpu_rootconf(void)
120{
121	set_root_device();
122	printf("boot device: %s\n",
123	    booted_device != NULL ? booted_device->dv_xname : "<unknown>");
124	rootconf();
125}
126
127
128/*
129 * void cpu_configure()
130 *
131 * Configure all the root devices
132 * The root devices are expected to configure their own children
133 */
134extern int footbridge_imask[NIPL];
135
136void
137cpu_configure(void)
138{
139	/*
140	 * Since various PCI interrupts could be routed via the ICU
141	 * (for PCI devices in the bridge) we need to set up the ICU
142	 * now so that these interrupts can be established correctly
143	 * i.e. This is a hack.
144	 */
145	isa_intr_init();
146
147
148	config_rootfound("mainbus", NULL);
149
150#if defined(DEBUG)
151	/* Debugging information */
152	printf("ipl_bio=%08x ipl_net=%08x ipl_tty=%08x ipl_vm=%08x\n",
153	    footbridge_imask[IPL_BIO], footbridge_imask[IPL_NET],
154	    footbridge_imask[IPL_TTY], footbridge_imask[IPL_VM]);
155	printf("ipl_audio=%08x ipl_imp=%08x ipl_high=%08x ipl_serial=%08x\n",
156	    footbridge_imask[IPL_AUDIO], footbridge_imask[IPL_CLOCK],
157	    footbridge_imask[IPL_HIGH], footbridge_imask[IPL_SERIAL]);
158#endif /* defined(DEBUG) */
159
160	/* Time to start taking interrupts so lets open the flood gates .... */
161	(void)spl0();
162}
163
164void
165device_register(struct device *dev, void *aux)
166{
167	struct device *pdev;
168        if ((pdev = device_parent(dev)) != NULL &&
169    	    device_is_a(pdev, "pci")) {
170		/*
171		 * cats builtin aceride is on 0:16:0
172		 */
173		struct pci_attach_args *pa = aux;
174		if (((pa)->pa_bus == 0
175		    && (pa)->pa_device == 16
176		    && (pa)->pa_function == 0)) {
177			if (prop_dictionary_set_bool(device_properties(dev),
178						"ali1543-ide-force-compat-mode",
179						true) == false) {
180				printf("WARNING: unable to set "
181					"ali1543-ide-force-compat-mode "
182					"property for %s\n", dev->dv_xname);
183			}
184		}
185	}
186}
187/* End of autoconf.c */
188