1 /* $NetBSD: mainbus.c,v 1.21 2023/04/23 06:57:59 tsutsui Exp $ */
2
3 /*-
4 * Copyright (c) 2000 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Tohru Nishimura.
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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33
34 __KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.21 2023/04/23 06:57:59 tsutsui Exp $");
35
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/device.h>
39
40 #include <machine/cpu.h>
41 #include <machine/autoconf.h>
42 #include <machine/board.h>
43
44 static const struct mainbus_attach_args luna_devs[] = {
45 { "clock", NVRAM_ADDR, -1 }, /* Mostek/Dallas TimeKeeper */
46 { "lcd", OBIO_PIO1A, -1 }, /* Sharp LM16X212 LCD module */
47 { "le", LANCE_ADDR, 3 }, /* Am7990 */
48 { "sio", OBIO_SIO, 6 }, /* uPD7201A */
49 { "xpbus", TRI_PORT_RAM, -1 }, /* HD647180XP */
50 { "fb", BMAP_PALLET2, -1 }, /* BrookTree RAMDAC */
51 { "spc", SCSI_ADDR, 2 }, /* internal MB89352 */
52 { "spc", SCSI_2_ADDR, 2 }, /* external MB89352 (on LUNA-II) */
53 };
54
55 static void mainbus_attach(device_t, device_t, void *);
56 static int mainbus_match(device_t, cfdata_t, void *);
57 static int mainbus_print(void *, const char *);
58
59 CFATTACH_DECL_NEW(mainbus, 0,
60 mainbus_match, mainbus_attach, NULL, NULL);
61
62 static int
mainbus_match(device_t parent,cfdata_t cf,void * args)63 mainbus_match(device_t parent, cfdata_t cf, void *args)
64 {
65 static bool mainbus_matched;
66
67 if (mainbus_matched)
68 return 0;
69
70 mainbus_matched = true;
71 return 1;
72 }
73
74 static void
mainbus_attach(device_t parent,device_t self,void * args)75 mainbus_attach(device_t parent, device_t self, void *args)
76 {
77 int i, ndevs;
78 const struct mainbus_attach_args *devs;
79 struct mainbus_attach_args ma;
80
81 devs = luna_devs;
82 ndevs = __arraycount(luna_devs);
83
84 aprint_normal("\n");
85 for (i = 0; i < ndevs; i++) {
86 ma = devs[i];
87 config_found(self, &ma, mainbus_print, CFARGS_NONE);
88 }
89 }
90
91 static int
mainbus_print(void * aux,const char * pnp)92 mainbus_print(void *aux, const char *pnp)
93 {
94 struct mainbus_attach_args *ma = aux;
95
96 if (pnp)
97 aprint_normal("%s at %s", ma->ma_name, pnp);
98
99 return UNCONF;
100 }
101