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
53 int plumisabprint(void *, const char *);
54 int plumisabmatch(device_t, cfdata_t, void *);
55 void plumisabattach(device_t, device_t, void *);
56
57 struct 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
64 CFATTACH_DECL_NEW(plumisab, sizeof(struct plumisab_softc),
65 plumisabmatch, plumisabattach, NULL, NULL);
66
67 int
plumisabmatch(device_t parent,cfdata_t match,void * aux)68 plumisabmatch(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
90 void
plumisabattach(device_t parent,device_t self,void * aux)91 plumisabattach(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
127 int
plumisabprint(void * aux,const char * pnp)128 plumisabprint(void *aux, const char *pnp)
129 {
130
131 return (pnp ? QUIET : UNCONF);
132 }
133
134 void
isa_attach_hook(device_t parent,device_t self,struct isabus_attach_args * iba)135 isa_attach_hook(device_t parent, device_t self,
136 struct isabus_attach_args *iba)
137 {
138
139 }
140
141 void
isa_detach_hook(isa_chipset_tag_t,device_t self)142 isa_detach_hook(isa_chipset_tag_t, device_t self)
143 {
144 }
145
146 void *
isa_intr_establish(isa_chipset_tag_t ic,int irq,int type,int level,int (* ih_fun)(void *),void * ih_arg)147 isa_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
157 void
isa_intr_disestablish(isa_chipset_tag_t ic,void * arg)158 isa_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
165 int
isa_intr_alloc(isa_chipset_tag_t ic,int mask,int type,int * irq)166 isa_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