xref: /netbsd/sys/arch/hpcmips/isa/plumisa_machdep.c (revision bf9ec67e)
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 
57 int	plumisabprint(void *, const char *);
58 int	plumisabmatch(struct device *, struct cfdata *, void *);
59 void	plumisabattach(struct device *, struct device *, void *);
60 
61 struct 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 
69 struct cfattach plumisab_ca = {
70 	sizeof(struct plumisab_softc), plumisabmatch, plumisabattach
71 };
72 
73 int
74 plumisabmatch(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 
96 void
97 plumisabattach(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 
134 int
135 plumisabprint(void *aux, const char *pnp)
136 {
137 
138 	return (pnp ? QUIET : UNCONF);
139 }
140 
141 void
142 isa_attach_hook(struct device *parent, struct device *self,
143     struct isabus_attach_args *iba)
144 {
145 
146 }
147 
148 void *
149 isa_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 
159 void
160 isa_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 
167 int
168 isa_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