1 /* $OpenBSD: omwugen.c,v 1.2 2021/10/24 17:52:28 mpi Exp $ */
2 /*
3 * Copyright (c) 2016 Mark Kettenis
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 #include <sys/param.h>
19 #include <sys/systm.h>
20 #include <sys/device.h>
21
22 #include <machine/fdt.h>
23
24 #include <dev/ofw/openfirm.h>
25
26 struct omwugen_softc {
27 struct device sc_dev;
28 struct interrupt_controller sc_ic;
29 };
30
31 int omwugen_match(struct device *, void *, void *);
32 void omwugen_attach(struct device *, struct device *, void *);
33
34 const struct cfattach omwugen_ca = {
35 sizeof(struct omwugen_softc), omwugen_match, omwugen_attach
36 };
37
38 struct cfdriver omwugen_cd = {
39 NULL, "omwugen", DV_DULL
40 };
41
42 int
omwugen_match(struct device * parent,void * match,void * aux)43 omwugen_match(struct device *parent, void *match, void *aux)
44 {
45 struct fdt_attach_args *faa = aux;
46
47 return OF_is_compatible(faa->fa_node, "ti,omap4-wugen-mpu");
48 }
49
50 void
omwugen_attach(struct device * parent,struct device * self,void * aux)51 omwugen_attach(struct device *parent, struct device *self, void *aux)
52 {
53 struct fdt_attach_args *faa = aux;
54 struct omwugen_softc *sc = (struct omwugen_softc *)self;
55
56 sc->sc_ic.ic_node = faa->fa_node;
57 sc->sc_ic.ic_cookie = &sc->sc_ic;
58 sc->sc_ic.ic_establish = arm_intr_parent_establish_fdt;
59 sc->sc_ic.ic_disestablish = arm_intr_parent_disestablish_fdt;
60 arm_intr_register_fdt(&sc->sc_ic);
61
62 printf("\n");
63 }
64