plumisa_machdep.c revision 1.5 
1/*	$NetBSD: plumisa_machdep.c,v 1.5 2002/10/02 05:26:49 thorpej 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
69CFATTACH_DECL(plumisab, sizeof(struct plumisab_softc),
70    plumisabmatch, plumisabattach, NULL, NULL);
71
72int
73plumisabmatch(struct device *parent, struct cfdata *match, void *aux)
74{
75	struct plumiobus_attach_args *pba = aux;
76	platid_mask_t mask;
77
78	if (strcmp(pba->pba_busname, match->cf_name)) {
79		return (0);
80	}
81
82	if (match->cf_loc[PLUMIOBUSIFCF_PLATFORM] ==
83	    PLUMIOBUSIFCF_PLATFORM_DEFAULT) {
84		return (1);
85	}
86
87	mask = PLATID_DEREF(match->cf_loc[PLUMIOBUSIFCF_PLATFORM]);
88	if (platid_match(&platid, &mask)) {
89		return (2);
90	}
91
92	return (0);
93}
94
95void
96plumisabattach(struct device *parent, struct device *self, void *aux)
97{
98	struct plumiobus_attach_args *pba = aux;
99	struct plumisab_softc *sc = (void*)self;
100	struct isabus_attach_args iba;
101
102	printf("\n");
103	sc->sc_pc = pba->pba_pc;
104	sc->sc_iot = pba->pba_iot;
105	sc->sc_irq = pba->pba_irq;
106	printf(" base=%#x irq=%d\n", sc->sc_iot->t_base, sc->sc_irq);
107#if 0
108	/* Reset I/O bus */
109	plum_power_ioreset(sc->sc_pc);
110#endif
111	/* Dump I/O port */
112	if (0) {
113		bus_space_handle_t ioh;
114		int i;
115		bus_space_map(sc->sc_iot, 0, 0x400, 0, &ioh);
116		for(i = 0; i < 0x400; i += 4) {
117			printf("[%03x]%02x", i, bus_space_read_1(sc->sc_iot, ioh, i + 3));
118			printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 2));
119			printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 1));
120			printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 0));
121		}
122		bus_space_unmap(sc->sc_iot, ioh, 0x400);
123	}
124
125	iba.iba_busname = "isa";
126	iba.iba_ic	= sc;
127	/* Plum ISA-bus don't have memory space! */
128	/* Plum ISA port space */
129	iba.iba_iot     = sc->sc_iot;
130	config_found(self, &iba, plumisabprint);
131}
132
133int
134plumisabprint(void *aux, const char *pnp)
135{
136
137	return (pnp ? QUIET : UNCONF);
138}
139
140void
141isa_attach_hook(struct device *parent, struct device *self,
142    struct isabus_attach_args *iba)
143{
144
145}
146
147void *
148isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, int level,
149    int (*ih_fun)(void *), void *ih_arg)
150{
151	struct plumisab_softc *sc = (void*)ic;
152
153	sc->sc_ih = plum_intr_establish(sc->sc_pc, sc->sc_irq, type, level,
154					ih_fun, ih_arg);
155	return (sc->sc_ih);
156}
157
158void
159isa_intr_disestablish(isa_chipset_tag_t ic, void *arg)
160{
161	struct plumisab_softc *sc = (void*)ic;
162
163	plum_intr_disestablish(sc->sc_pc, arg);
164}
165
166int
167isa_intr_alloc(isa_chipset_tag_t ic, int mask, int type, int *irq)
168{
169	struct plumisab_softc *sc = (void*)ic;
170
171	*irq = sc->sc_irq;
172
173	return (0);
174}
175