plumisa_machdep.c revision 1.14 
1/*	$NetBSD: plumisa_machdep.c,v 1.14 2021/08/07 16:18:54 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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33__KERNEL_RCSID(0, "$NetBSD: plumisa_machdep.c,v 1.14 2021/08/07 16:18:54 thorpej Exp $");
34
35#include <sys/param.h>
36#include <sys/systm.h>
37
38#include <machine/bus.h>
39
40#include <dev/isa/isavar.h>
41#include <dev/isa/isareg.h>
42
43#include <machine/platid.h>
44#include <machine/platid_mask.h>
45
46#include <hpcmips/tx/tx39var.h>
47#include <hpcmips/dev/plumvar.h>
48#include <hpcmips/dev/plumicuvar.h>
49#include <hpcmips/dev/plumiobusvar.h>
50
51#include "locators.h"
52
53int	plumisabprint(void *, const char *);
54int	plumisabmatch(device_t, cfdata_t, void *);
55void	plumisabattach(device_t, device_t, void *);
56
57struct plumisab_softc {
58	plum_chipset_tag_t sc_pc;
59	bus_space_tag_t sc_iot;
60	int sc_irq;
61	void *sc_ih;
62};
63
64CFATTACH_DECL_NEW(plumisab, sizeof(struct plumisab_softc),
65    plumisabmatch, plumisabattach, NULL, NULL);
66
67int
68plumisabmatch(device_t parent, cfdata_t match, void *aux)
69{
70	struct plumiobus_attach_args *pba = aux;
71	platid_mask_t mask;
72
73	if (strcmp(pba->pba_busname, match->cf_name)) {
74		return (0);
75	}
76
77	if (match->cf_loc[PLUMIOBUSIFCF_PLATFORM] ==
78	    PLUMIOBUSIFCF_PLATFORM_DEFAULT) {
79		return (1);
80	}
81
82	mask = PLATID_DEREF(match->cf_loc[PLUMIOBUSIFCF_PLATFORM]);
83	if (platid_match(&platid, &mask)) {
84		return (2);
85	}
86
87	return (0);
88}
89
90void
91plumisabattach(device_t parent, device_t self, void *aux)
92{
93	struct plumiobus_attach_args *pba = aux;
94	struct plumisab_softc *sc = device_private(self);
95	struct isabus_attach_args iba;
96
97	printf("\n");
98	sc->sc_pc = pba->pba_pc;
99	sc->sc_iot = pba->pba_iot;
100	sc->sc_irq = pba->pba_irq;
101	printf(" base=%#x irq=%d\n", sc->sc_iot->t_base, sc->sc_irq);
102#if 0
103	/* Reset I/O bus */
104	plum_power_ioreset(sc->sc_pc);
105#endif
106	/* Dump I/O port */
107	if (0) {
108		bus_space_handle_t ioh;
109		int i;
110		bus_space_map(sc->sc_iot, 0, 0x400, 0, &ioh);
111		for(i = 0; i < 0x400; i += 4) {
112			printf("[%03x]%02x", i, bus_space_read_1(sc->sc_iot, ioh, i + 3));
113			printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 2));
114			printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 1));
115			printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 0));
116		}
117		bus_space_unmap(sc->sc_iot, ioh, 0x400);
118	}
119
120	iba.iba_ic	= sc;
121	/* Plum ISA-bus don't have memory space! */
122	/* Plum ISA port space */
123	iba.iba_iot     = sc->sc_iot;
124	config_found(self, &iba, plumisabprint, CFARGS_NONE);
125}
126
127int
128plumisabprint(void *aux, const char *pnp)
129{
130
131	return (pnp ? QUIET : UNCONF);
132}
133
134void
135isa_attach_hook(device_t parent, device_t self,
136    struct isabus_attach_args *iba)
137{
138
139}
140
141void
142isa_detach_hook(isa_chipset_tag_t, device_t self)
143{
144}
145
146void *
147isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, int level,
148    int (*ih_fun)(void *), void *ih_arg)
149{
150	struct plumisab_softc *sc = (void*)ic;
151
152	sc->sc_ih = plum_intr_establish(sc->sc_pc, sc->sc_irq, type, level,
153					ih_fun, ih_arg);
154	return (sc->sc_ih);
155}
156
157void
158isa_intr_disestablish(isa_chipset_tag_t ic, void *arg)
159{
160	struct plumisab_softc *sc = (void*)ic;
161
162	plum_intr_disestablish(sc->sc_pc, arg);
163}
164
165int
166isa_intr_alloc(isa_chipset_tag_t ic, int mask, int type, int *irq)
167{
168	struct plumisab_softc *sc = (void*)ic;
169
170	*irq = sc->sc_irq;
171
172	return (0);
173}
174