1 /* $OpenBSD: fhc_mainbus.c,v 1.7 2022/10/16 01:22:39 jsg Exp $ */
2
3 /*
4 * Copyright (c) 2004 Jason L. Wright (jason@thought.net).
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
25 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 #include <sys/kernel.h>
32 #include <sys/device.h>
33 #include <sys/conf.h>
34 #include <sys/timeout.h>
35
36 #include <machine/bus.h>
37 #include <machine/autoconf.h>
38 #include <machine/openfirm.h>
39
40 #include <sparc64/dev/fhcvar.h>
41
42 int fhc_mainbus_match(struct device *, void *, void *);
43 void fhc_mainbus_attach(struct device *, struct device *, void *);
44
45 const struct cfattach fhc_mainbus_ca = {
46 sizeof(struct fhc_softc), fhc_mainbus_match, fhc_mainbus_attach
47 };
48
49 int
fhc_mainbus_match(struct device * parent,void * match,void * aux)50 fhc_mainbus_match(struct device *parent, void *match, void *aux)
51 {
52 struct mainbus_attach_args *ma = aux;
53
54 if (strcmp(ma->ma_name, "fhc") == 0)
55 return (1);
56 return (0);
57 }
58
59 void
fhc_mainbus_attach(struct device * parent,struct device * self,void * aux)60 fhc_mainbus_attach(struct device *parent, struct device *self, void *aux)
61 {
62 struct fhc_softc *sc = (struct fhc_softc *)self;
63 struct mainbus_attach_args *ma = aux;
64
65 sc->sc_node = ma->ma_node;
66 sc->sc_bt = ma->ma_bustag;
67 sc->sc_is_central = 0;
68
69 if (bus_space_map(sc->sc_bt, ma->ma_reg[0].ur_paddr,
70 ma->ma_reg[0].ur_len, 0, &sc->sc_preg)) {
71 printf(": failed to map preg\n");
72 return;
73 }
74
75 if (bus_space_map(sc->sc_bt, ma->ma_reg[1].ur_paddr,
76 ma->ma_reg[1].ur_len, 0, &sc->sc_ireg)) {
77 printf(": failed to map ireg\n");
78 return;
79 }
80
81 if (bus_space_map(sc->sc_bt, ma->ma_reg[2].ur_paddr,
82 ma->ma_reg[2].ur_len, BUS_SPACE_MAP_LINEAR, &sc->sc_freg)) {
83 printf(": failed to map freg\n");
84 return;
85 }
86
87 if (bus_space_map(sc->sc_bt, ma->ma_reg[3].ur_paddr,
88 ma->ma_reg[3].ur_len, BUS_SPACE_MAP_LINEAR, &sc->sc_sreg)) {
89 printf(": failed to map sreg\n");
90 return;
91 }
92
93 if (bus_space_map(sc->sc_bt, ma->ma_reg[4].ur_paddr,
94 ma->ma_reg[4].ur_len, BUS_SPACE_MAP_LINEAR, &sc->sc_ureg)) {
95 printf(": failed to map ureg\n");
96 return;
97 }
98
99 if (bus_space_map(sc->sc_bt, ma->ma_reg[5].ur_paddr,
100 ma->ma_reg[5].ur_len, BUS_SPACE_MAP_LINEAR, &sc->sc_treg)) {
101 printf(": failed to map treg\n");
102 return;
103 }
104
105 sc->sc_board = getpropint(sc->sc_node, "board#", -1);
106
107 fhc_attach(sc);
108
109 return;
110 }
111