1 /* $OpenBSD: hil_gsc.c,v 1.6 2022/03/13 08:04:38 mpi Exp $ */
2 /*
3 * Copyright (c) 2003, Miodrag Vallat.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
19 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
23 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
24 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
26 *
27 */
28
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 #include <sys/device.h>
32
33 #include <machine/cpu.h>
34 #include <machine/intr.h>
35 #include <machine/iomod.h>
36 #include <machine/autoconf.h>
37 #include <machine/bus.h>
38
39 #include <hppa/dev/cpudevs.h>
40 #include <hppa/gsc/gscbusvar.h>
41
42 #include <machine/hil_machdep.h>
43
44 #include <dev/hil/hilvar.h>
45
46 int hil_gsc_match(struct device *, void *, void *);
47 void hil_gsc_attach(struct device *, struct device *, void *);
48
49 struct hil_gsc_softc {
50 struct hil_softc sc_hs;
51 int sc_hil_console;
52 };
53
54 const struct cfattach hil_gsc_ca = {
55 sizeof(struct hil_gsc_softc), hil_gsc_match, hil_gsc_attach
56 };
57
58 int
hil_gsc_match(struct device * parent,void * match,void * aux)59 hil_gsc_match(struct device *parent, void *match, void *aux)
60 {
61 struct gsc_attach_args *ga = aux;
62
63 if (ga->ga_type.iodc_type != HPPA_TYPE_FIO ||
64 ga->ga_type.iodc_sv_model != HPPA_FIO_HIL)
65 return (0);
66
67 return (1);
68 }
69
70 void
hil_gsc_attach(struct device * parent,struct device * self,void * aux)71 hil_gsc_attach(struct device *parent, struct device *self, void *aux)
72 {
73 struct hil_gsc_softc *gsc = (void *)self;
74 struct hil_softc *sc = &gsc->sc_hs;
75 struct gsc_attach_args *ga = aux;
76
77 sc->sc_bst = ga->ga_iot;
78 if (bus_space_map(ga->ga_iot, ga->ga_hpa,
79 HILMAPSIZE, 0, &sc->sc_bsh)) {
80 printf(": couldn't map hil controller\n");
81 return;
82 }
83
84 gsc->sc_hil_console = ga->ga_dp.dp_mod == PAGE0->mem_kbd.pz_dp.dp_mod &&
85 bcmp(ga->ga_dp.dp_bc, PAGE0->mem_kbd.pz_dp.dp_bc, 6) == 0;
86
87 hil_attach(sc, &gsc->sc_hil_console);
88
89 gsc_intr_establish((struct gsc_softc *)parent, ga->ga_irq, IPL_TTY,
90 hil_intr, sc, sc->sc_dev.dv_xname);
91
92 startuphook_establish(hil_attach_deferred, sc);
93 }
94