1 /* $NetBSD: gfpic_mainbus.c,v 1.1 2024/01/02 07:40:59 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 2023 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe.
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: gfpic_mainbus.c,v 1.1 2024/01/02 07:40:59 thorpej Exp $");
34
35 #include <sys/types.h>
36 #include <sys/bus.h>
37 #include <sys/device.h>
38 #include <sys/intr.h>
39 #include <sys/systm.h>
40
41 #include <virt68k/dev/mainbusvar.h>
42
43 #include <dev/goldfish/gfpicvar.h>
44
45 static const struct device_compatible_entry compat_data[] = {
46 { .compat = "google,goldfish-pic" },
47 DEVICE_COMPAT_EOL
48 };
49
50 static int
gfpic_mainbus_match(device_t parent,cfdata_t cf,void * aux)51 gfpic_mainbus_match(device_t parent, cfdata_t cf, void *aux)
52 {
53 struct mainbus_attach_args * const ma = aux;
54
55 return mainbus_compatible_match(ma, compat_data);
56 }
57
58 static void
gfpic_mainbus_attach(device_t parent,device_t self,void * aux)59 gfpic_mainbus_attach(device_t parent, device_t self, void *aux)
60 {
61 struct gfpic_softc * const sc = device_private(self);
62 struct mainbus_attach_args * const ma = aux;
63
64 sc->sc_dev = self;
65 sc->sc_bst = ma->ma_st;
66 if (bus_space_map(sc->sc_bst, ma->ma_addr, ma->ma_size, 0,
67 &sc->sc_bsh) != 0) {
68 aprint_error(": couldn't map registers\n");
69 return;
70 }
71
72 gfpic_attach(sc);
73
74 aprint_normal_dev(self, "interrupting at IPL %d\n", ma->ma_irq);
75 intr_register_pic(self, ma->ma_irq);
76 }
77
78 CFATTACH_DECL_NEW(gfpic_mainbus, sizeof(struct gfpic_softc),
79 gfpic_mainbus_match, gfpic_mainbus_attach, NULL, NULL);
80