tx39uart.c revision 1.4.2.2 1 1.4.2.2 bouyer /* $NetBSD: tx39uart.c,v 1.4.2.2 2000/11/20 20:47:35 bouyer Exp $ */
2 1.4.2.2 bouyer
3 1.4.2.2 bouyer /*-
4 1.4.2.2 bouyer * Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
5 1.4.2.2 bouyer * All rights reserved.
6 1.4.2.2 bouyer *
7 1.4.2.2 bouyer * This code is derived from software contributed to The NetBSD Foundation
8 1.4.2.2 bouyer * by UCHIYAMA Yasushi.
9 1.4.2.2 bouyer *
10 1.4.2.2 bouyer * Redistribution and use in source and binary forms, with or without
11 1.4.2.2 bouyer * modification, are permitted provided that the following conditions
12 1.4.2.2 bouyer * are met:
13 1.4.2.2 bouyer * 1. Redistributions of source code must retain the above copyright
14 1.4.2.2 bouyer * notice, this list of conditions and the following disclaimer.
15 1.4.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright
16 1.4.2.2 bouyer * notice, this list of conditions and the following disclaimer in the
17 1.4.2.2 bouyer * documentation and/or other materials provided with the distribution.
18 1.4.2.2 bouyer * 3. All advertising materials mentioning features or use of this software
19 1.4.2.2 bouyer * must display the following acknowledgement:
20 1.4.2.2 bouyer * This product includes software developed by the NetBSD
21 1.4.2.2 bouyer * Foundation, Inc. and its contributors.
22 1.4.2.2 bouyer * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.4.2.2 bouyer * contributors may be used to endorse or promote products derived
24 1.4.2.2 bouyer * from this software without specific prior written permission.
25 1.4.2.2 bouyer *
26 1.4.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.4.2.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.4.2.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.4.2.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.4.2.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.4.2.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.4.2.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.4.2.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.4.2.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.4.2.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.4.2.2 bouyer * POSSIBILITY OF SUCH DAMAGE.
37 1.4.2.2 bouyer */
38 1.4.2.2 bouyer #include "opt_tx39_debug.h"
39 1.4.2.2 bouyer #include "opt_tx39uartdebug.h"
40 1.4.2.2 bouyer
41 1.4.2.2 bouyer #include <sys/param.h>
42 1.4.2.2 bouyer #include <sys/systm.h>
43 1.4.2.2 bouyer #include <sys/device.h>
44 1.4.2.2 bouyer
45 1.4.2.2 bouyer #include <machine/bus.h>
46 1.4.2.2 bouyer #include <machine/intr.h>
47 1.4.2.2 bouyer
48 1.4.2.2 bouyer #include <hpcmips/tx/tx39var.h>
49 1.4.2.2 bouyer #include <hpcmips/tx/tx39uartvar.h>
50 1.4.2.2 bouyer
51 1.4.2.2 bouyer #include "locators.h"
52 1.4.2.2 bouyer
53 1.4.2.2 bouyer int tx39uart_match(struct device *, struct cfdata *, void *);
54 1.4.2.2 bouyer void tx39uart_attach(struct device *, struct device *, void *);
55 1.4.2.2 bouyer int tx39uart_print(void *, const char *);
56 1.4.2.2 bouyer int tx39uart_search(struct device *, struct cfdata *, void *);
57 1.4.2.2 bouyer
58 1.4.2.2 bouyer struct tx39uart_softc {
59 1.4.2.2 bouyer struct device sc_dev;
60 1.4.2.2 bouyer tx_chipset_tag_t sc_tc;
61 1.4.2.2 bouyer int sc_enabled;
62 1.4.2.2 bouyer };
63 1.4.2.2 bouyer
64 1.4.2.2 bouyer struct cfattach tx39uart_ca = {
65 1.4.2.2 bouyer sizeof(struct tx39uart_softc), tx39uart_match, tx39uart_attach
66 1.4.2.2 bouyer };
67 1.4.2.2 bouyer
68 1.4.2.2 bouyer int
69 1.4.2.2 bouyer tx39uart_match(struct device *parent, struct cfdata *cf, void *aux)
70 1.4.2.2 bouyer {
71 1.4.2.2 bouyer return ATTACH_LAST;
72 1.4.2.2 bouyer }
73 1.4.2.2 bouyer
74 1.4.2.2 bouyer void
75 1.4.2.2 bouyer tx39uart_attach(struct device *parent, struct device *self, void *aux)
76 1.4.2.2 bouyer {
77 1.4.2.2 bouyer struct txsim_attach_args *ta = aux;
78 1.4.2.2 bouyer struct tx39uart_softc *sc = (void *)self;
79 1.4.2.2 bouyer tx_chipset_tag_t tc;
80 1.4.2.2 bouyer
81 1.4.2.2 bouyer printf("\n");
82 1.4.2.2 bouyer sc->sc_tc = tc = ta->ta_tc;
83 1.4.2.2 bouyer
84 1.4.2.2 bouyer config_search(tx39uart_search, self, tx39uart_print);
85 1.4.2.2 bouyer }
86 1.4.2.2 bouyer
87 1.4.2.2 bouyer int
88 1.4.2.2 bouyer tx39uart_search(struct device *parent, struct cfdata *cf, void *aux)
89 1.4.2.2 bouyer {
90 1.4.2.2 bouyer struct tx39uart_softc *sc = (void *)parent;
91 1.4.2.2 bouyer struct tx39uart_attach_args ua;
92 1.4.2.2 bouyer
93 1.4.2.2 bouyer ua.ua_tc = sc->sc_tc;
94 1.4.2.2 bouyer ua.ua_slot = cf->cf_loc[TXCOMIFCF_SLOT];
95 1.4.2.2 bouyer
96 1.4.2.2 bouyer if (ua.ua_slot == TXCOMIFCF_SLOT_DEFAULT) {
97 1.4.2.2 bouyer printf("tx39uart_search: wildcarded slot, skipping\n");
98 1.4.2.2 bouyer return 0;
99 1.4.2.2 bouyer }
100 1.4.2.2 bouyer
101 1.4.2.2 bouyer if (!(sc->sc_enabled & (1 << ua.ua_slot)) && /* not attached slot */
102 1.4.2.2 bouyer (*cf->cf_attach->ca_match)(parent, cf, &ua)) {
103 1.4.2.2 bouyer config_attach(parent, cf, &ua, tx39uart_print);
104 1.4.2.2 bouyer sc->sc_enabled |= (1 << ua.ua_slot);
105 1.4.2.2 bouyer }
106 1.4.2.2 bouyer
107 1.4.2.2 bouyer return 0;
108 1.4.2.2 bouyer }
109 1.4.2.2 bouyer
110 1.4.2.2 bouyer int
111 1.4.2.2 bouyer tx39uart_print(void *aux, const char *pnp)
112 1.4.2.2 bouyer {
113 1.4.2.2 bouyer struct tx39uart_attach_args *ua = aux;
114 1.4.2.2 bouyer
115 1.4.2.2 bouyer printf(" slot %d", ua->ua_slot);
116 1.4.2.2 bouyer
117 1.4.2.2 bouyer return QUIET;
118 1.4.2.2 bouyer }
119