plumisa_machdep.c revision 1.2 
1/*	$NetBSD: plumisa_machdep.c,v 1.2 2001/09/16 05:32:20 uch Exp $ */
2
3/*-
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by UCHIYAMA Yasushi.
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 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *        This product includes software developed by the NetBSD
21 *        Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 *    contributors may be used to endorse or promote products derived
24 *    from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39#include <sys/param.h>
40#include <sys/systm.h>
41
42#include <machine/bus.h>
43
44#include <dev/isa/isavar.h>
45#include <dev/isa/isareg.h>
46
47#include <machine/platid.h>
48#include <machine/platid_mask.h>
49
50#include <hpcmips/tx/tx39var.h>
51#include <hpcmips/dev/plumvar.h>
52#include <hpcmips/dev/plumicuvar.h>
53#include <hpcmips/dev/plumiobusvar.h>
54
55#include "locators.h"
56
57int	plumisabprint(void *, const char *);
58int	plumisabmatch(struct device *, struct cfdata *, void *);
59void	plumisabattach(struct device *, struct device *, void *);
60
61struct plumisab_softc {
62	struct device sc_dev;
63	plum_chipset_tag_t sc_pc;
64	bus_space_tag_t sc_iot;
65	int sc_irq;
66	void *sc_ih;
67};
68
69struct cfattach plumisab_ca = {
70	sizeof(struct plumisab_softc), plumisabmatch, plumisabattach
71};
72
73int
74plumisabmatch(struct device *parent, struct cfdata *match, void *aux)
75{
76	struct plumiobus_attach_args *pba = aux;
77	platid_mask_t mask;
78
79	if (strcmp(pba->pba_busname, match->cf_driver->cd_name)) {
80		return (0);
81	}
82
83	if (match->cf_loc[PLUMIOBUSIFCF_PLATFORM] ==
84	    PLUMIOBUSIFCF_PLATFORM_DEFAULT) {
85		return (1);
86	}
87
88	mask = PLATID_DEREF(match->cf_loc[PLUMIOBUSIFCF_PLATFORM]);
89	if (platid_match(&platid, &mask)) {
90		return (2);
91	}
92
93	return (0);
94}
95
96void
97plumisabattach(struct device *parent, struct device *self, void *aux)
98{
99	struct plumiobus_attach_args *pba = aux;
100	struct plumisab_softc *sc = (void*)self;
101	struct isabus_attach_args iba;
102
103	printf("\n");
104	sc->sc_pc = pba->pba_pc;
105	sc->sc_iot = pba->pba_iot;
106	sc->sc_irq = pba->pba_irq;
107	printf(" base=%#x irq=%d\n", sc->sc_iot->t_base, sc->sc_irq);
108#if 0
109	/* Reset I/O bus */
110	plum_power_ioreset(sc->sc_pc);
111#endif
112	/* Dump I/O port */
113	if (0) {
114		bus_space_handle_t ioh;
115		int i;
116		bus_space_map(sc->sc_iot, 0, 0x400, 0, &ioh);
117		for(i = 0; i < 0x400; i += 4) {
118			printf("[%03x]%02x", i, bus_space_read_1(sc->sc_iot, ioh, i + 3));
119			printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 2));
120			printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 1));
121			printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 0));
122		}
123		bus_space_unmap(sc->sc_iot, ioh, 0x400);
124	}
125
126	iba.iba_busname = "isa";
127	iba.iba_ic	= sc;
128	/* Plum ISA-bus don't have memory space! */
129	/* Plum ISA port space */
130	iba.iba_iot     = sc->sc_iot;
131	config_found(self, &iba, plumisabprint);
132}
133
134int
135plumisabprint(void *aux, const char *pnp)
136{
137
138	return (pnp ? QUIET : UNCONF);
139}
140
141void
142isa_attach_hook(struct device *parent, struct device *self,
143    struct isabus_attach_args *iba)
144{
145
146}
147
148void *
149isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, int level,
150    int (*ih_fun)(void *), void *ih_arg)
151{
152	struct plumisab_softc *sc = (void*)ic;
153
154	sc->sc_ih = plum_intr_establish(sc->sc_pc, sc->sc_irq, type, level,
155					ih_fun, ih_arg);
156	return (sc->sc_ih);
157}
158
159void
160isa_intr_disestablish(isa_chipset_tag_t ic, void *arg)
161{
162	struct plumisab_softc *sc = (void*)ic;
163
164	plum_intr_disestablish(sc->sc_pc, arg);
165}
166
167int
168isa_intr_alloc(isa_chipset_tag_t ic, int mask, int type, int *irq)
169{
170	struct plumisab_softc *sc = (void*)ic;
171
172	*irq = sc->sc_irq;
173
174	return (0);
175}
176