obio.c revision 1.1.10.2 1 1.1.10.2 simonb /* $NetBSD: obio.c,v 1.1.10.2 2006/04/22 11:37:24 simonb Exp $ */
2 1.1.10.2 simonb
3 1.1.10.2 simonb /*
4 1.1.10.2 simonb * Copyright 2002 Wasabi Systems, Inc.
5 1.1.10.2 simonb * All rights reserved.
6 1.1.10.2 simonb *
7 1.1.10.2 simonb * Written by Simon Burge for Wasabi Systems, Inc.
8 1.1.10.2 simonb *
9 1.1.10.2 simonb * Redistribution and use in source and binary forms, with or without
10 1.1.10.2 simonb * modification, are permitted provided that the following conditions
11 1.1.10.2 simonb * are met:
12 1.1.10.2 simonb * 1. Redistributions of source code must retain the above copyright
13 1.1.10.2 simonb * notice, this list of conditions and the following disclaimer.
14 1.1.10.2 simonb * 2. Redistributions in binary form must reproduce the above copyright
15 1.1.10.2 simonb * notice, this list of conditions and the following disclaimer in the
16 1.1.10.2 simonb * documentation and/or other materials provided with the distribution.
17 1.1.10.2 simonb * 3. All advertising materials mentioning features or use of this software
18 1.1.10.2 simonb * must display the following acknowledgement:
19 1.1.10.2 simonb * This product includes software developed for the NetBSD Project by
20 1.1.10.2 simonb * Wasabi Systems, Inc.
21 1.1.10.2 simonb * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 1.1.10.2 simonb * or promote products derived from this software without specific prior
23 1.1.10.2 simonb * written permission.
24 1.1.10.2 simonb *
25 1.1.10.2 simonb * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 1.1.10.2 simonb * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 1.1.10.2 simonb * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 1.1.10.2 simonb * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 1.1.10.2 simonb * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 1.1.10.2 simonb * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 1.1.10.2 simonb * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 1.1.10.2 simonb * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 1.1.10.2 simonb * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 1.1.10.2 simonb * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 1.1.10.2 simonb * POSSIBILITY OF SUCH DAMAGE.
36 1.1.10.2 simonb */
37 1.1.10.2 simonb
38 1.1.10.2 simonb #include <sys/cdefs.h>
39 1.1.10.2 simonb __KERNEL_RCSID(0, "$NetBSD: obio.c,v 1.1.10.2 2006/04/22 11:37:24 simonb Exp $");
40 1.1.10.2 simonb
41 1.1.10.2 simonb #include <sys/param.h>
42 1.1.10.2 simonb #include <sys/systm.h>
43 1.1.10.2 simonb #include <sys/device.h>
44 1.1.10.2 simonb
45 1.1.10.2 simonb #include <machine/bus.h>
46 1.1.10.2 simonb
47 1.1.10.2 simonb #include <mips/cache.h>
48 1.1.10.2 simonb #include <mips/cpuregs.h>
49 1.1.10.2 simonb
50 1.1.10.2 simonb #include <evbmips/alchemy/board.h>
51 1.1.10.2 simonb #include <evbmips/alchemy/obiovar.h>
52 1.1.10.2 simonb
53 1.1.10.2 simonb #include "locators.h"
54 1.1.10.2 simonb
55 1.1.10.2 simonb static int obio_match(struct device *, struct cfdata *, void *);
56 1.1.10.2 simonb static void obio_attach(struct device *, struct device *, void *);
57 1.1.10.2 simonb static int obio_submatch(struct device *, struct cfdata *,
58 1.1.10.2 simonb const int *, void *);
59 1.1.10.2 simonb static int obio_print(void *, const char *);
60 1.1.10.2 simonb
61 1.1.10.2 simonb CFATTACH_DECL(obio, sizeof(struct device),
62 1.1.10.2 simonb obio_match, obio_attach, NULL, NULL);
63 1.1.10.2 simonb
64 1.1.10.2 simonb /* There can be only one. */
65 1.1.10.2 simonb static int obio_found = 0;
66 1.1.10.2 simonb
67 1.1.10.2 simonb static int
68 1.1.10.2 simonb obio_match(struct device *parent, struct cfdata *match, void *aux)
69 1.1.10.2 simonb {
70 1.1.10.2 simonb
71 1.1.10.2 simonb if (obio_found)
72 1.1.10.2 simonb return (0);
73 1.1.10.2 simonb
74 1.1.10.2 simonb return (1);
75 1.1.10.2 simonb }
76 1.1.10.2 simonb
77 1.1.10.2 simonb static void
78 1.1.10.2 simonb obio_attach(struct device *parent, struct device *self, void *aux)
79 1.1.10.2 simonb {
80 1.1.10.2 simonb struct obio_attach_args oa;
81 1.1.10.2 simonb const struct obiodev *od;
82 1.1.10.2 simonb const struct alchemy_board *board;
83 1.1.10.2 simonb
84 1.1.10.2 simonb obio_found = 1;
85 1.1.10.2 simonb printf("\n");
86 1.1.10.2 simonb
87 1.1.10.2 simonb board = board_info();
88 1.1.10.2 simonb for (od = board->ab_devices; od->od_name != NULL; od++) {
89 1.1.10.2 simonb oa.oba_name = od->od_name;
90 1.1.10.2 simonb oa.oba_addr = od->od_addr;
91 1.1.10.2 simonb oa.oba_irq = od->od_irq;
92 1.1.10.2 simonb (void) config_found_sm_loc(self, "obio", NULL, &oa, obio_print,
93 1.1.10.2 simonb obio_submatch);
94 1.1.10.2 simonb }
95 1.1.10.2 simonb }
96 1.1.10.2 simonb
97 1.1.10.2 simonb static int
98 1.1.10.2 simonb obio_submatch(struct device *parent, struct cfdata *cf,
99 1.1.10.2 simonb const int *ldesc, void *aux)
100 1.1.10.2 simonb {
101 1.1.10.2 simonb struct obio_attach_args *oa = aux;
102 1.1.10.2 simonb
103 1.1.10.2 simonb if (cf->cf_loc[OBIOCF_ADDR] != OBIOCF_ADDR_DEFAULT &&
104 1.1.10.2 simonb cf->cf_loc[OBIOCF_ADDR] != oa->oba_addr)
105 1.1.10.2 simonb return (0);
106 1.1.10.2 simonb
107 1.1.10.2 simonb return (config_match(parent, cf, aux));
108 1.1.10.2 simonb }
109 1.1.10.2 simonb
110 1.1.10.2 simonb static int
111 1.1.10.2 simonb obio_print(void *aux, const char *pnp)
112 1.1.10.2 simonb {
113 1.1.10.2 simonb struct obio_attach_args *oa = aux;
114 1.1.10.2 simonb
115 1.1.10.2 simonb if (pnp)
116 1.1.10.2 simonb aprint_normal("%s at %s", oa->oba_name, pnp);
117 1.1.10.2 simonb if (oa->oba_addr != OBIOCF_ADDR_DEFAULT)
118 1.1.10.2 simonb aprint_normal(" addr 0x%lx", oa->oba_addr);
119 1.1.10.2 simonb
120 1.1.10.2 simonb return (UNCONF);
121 1.1.10.2 simonb }
122