plumisa_machdep.c revision 1.7 
1/*	$NetBSD: plumisa_machdep.c,v 1.7 2004/08/30 15:05:17 drochner 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/cdefs.h>
40__KERNEL_RCSID(0, "$NetBSD: plumisa_machdep.c,v 1.7 2004/08/30 15:05:17 drochner Exp $");
41
42#include <sys/param.h>
43#include <sys/systm.h>
44
45#include <machine/bus.h>
46
47#include <dev/isa/isavar.h>
48#include <dev/isa/isareg.h>
49
50#include <machine/platid.h>
51#include <machine/platid_mask.h>
52
53#include <hpcmips/tx/tx39var.h>
54#include <hpcmips/dev/plumvar.h>
55#include <hpcmips/dev/plumicuvar.h>
56#include <hpcmips/dev/plumiobusvar.h>
57
58#include "locators.h"
59
60int	plumisabprint(void *, const char *);
61int	plumisabmatch(struct device *, struct cfdata *, void *);
62void	plumisabattach(struct device *, struct device *, void *);
63
64struct plumisab_softc {
65	struct device sc_dev;
66	plum_chipset_tag_t sc_pc;
67	bus_space_tag_t sc_iot;
68	int sc_irq;
69	void *sc_ih;
70};
71
72CFATTACH_DECL(plumisab, sizeof(struct plumisab_softc),
73    plumisabmatch, plumisabattach, NULL, NULL);
74
75int
76plumisabmatch(struct device *parent, struct cfdata *match, void *aux)
77{
78	struct plumiobus_attach_args *pba = aux;
79	platid_mask_t mask;
80
81	if (strcmp(pba->pba_busname, match->cf_name)) {
82		return (0);
83	}
84
85	if (match->cf_loc[PLUMIOBUSIFCF_PLATFORM] ==
86	    PLUMIOBUSIFCF_PLATFORM_DEFAULT) {
87		return (1);
88	}
89
90	mask = PLATID_DEREF(match->cf_loc[PLUMIOBUSIFCF_PLATFORM]);
91	if (platid_match(&platid, &mask)) {
92		return (2);
93	}
94
95	return (0);
96}
97
98void
99plumisabattach(struct device *parent, struct device *self, void *aux)
100{
101	struct plumiobus_attach_args *pba = aux;
102	struct plumisab_softc *sc = (void*)self;
103	struct isabus_attach_args iba;
104
105	printf("\n");
106	sc->sc_pc = pba->pba_pc;
107	sc->sc_iot = pba->pba_iot;
108	sc->sc_irq = pba->pba_irq;
109	printf(" base=%#x irq=%d\n", sc->sc_iot->t_base, sc->sc_irq);
110#if 0
111	/* Reset I/O bus */
112	plum_power_ioreset(sc->sc_pc);
113#endif
114	/* Dump I/O port */
115	if (0) {
116		bus_space_handle_t ioh;
117		int i;
118		bus_space_map(sc->sc_iot, 0, 0x400, 0, &ioh);
119		for(i = 0; i < 0x400; i += 4) {
120			printf("[%03x]%02x", i, bus_space_read_1(sc->sc_iot, ioh, i + 3));
121			printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 2));
122			printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 1));
123			printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 0));
124		}
125		bus_space_unmap(sc->sc_iot, ioh, 0x400);
126	}
127
128	iba.iba_ic	= sc;
129	/* Plum ISA-bus don't have memory space! */
130	/* Plum ISA port space */
131	iba.iba_iot     = sc->sc_iot;
132	config_found_ia(self, "isabus", &iba, plumisabprint);
133}
134
135int
136plumisabprint(void *aux, const char *pnp)
137{
138
139	return (pnp ? QUIET : UNCONF);
140}
141
142void
143isa_attach_hook(struct device *parent, struct device *self,
144    struct isabus_attach_args *iba)
145{
146
147}
148
149void *
150isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, int level,
151    int (*ih_fun)(void *), void *ih_arg)
152{
153	struct plumisab_softc *sc = (void*)ic;
154
155	sc->sc_ih = plum_intr_establish(sc->sc_pc, sc->sc_irq, type, level,
156					ih_fun, ih_arg);
157	return (sc->sc_ih);
158}
159
160void
161isa_intr_disestablish(isa_chipset_tag_t ic, void *arg)
162{
163	struct plumisab_softc *sc = (void*)ic;
164
165	plum_intr_disestablish(sc->sc_pc, arg);
166}
167
168int
169isa_intr_alloc(isa_chipset_tag_t ic, int mask, int type, int *irq)
170{
171	struct plumisab_softc *sc = (void*)ic;
172
173	*irq = sc->sc_irq;
174
175	return (0);
176}
177