1/*-
2 * Copyright (c) 2018-2020 Ruslan Bukin <br@bsdpad.com>
3 * All rights reserved.
4 *
5 * This software was developed by BAE Systems, the University of Cambridge
6 * Computer Laboratory, and Memorial University under DARPA/AFRL contract
7 * FA8650-15-C-7558 ("CADETS"), as part of the DARPA Transparent Computing
8 * (TC) research program.
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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/bus.h>
35#include <sys/rman.h>
36#include <sys/kernel.h>
37#include <sys/module.h>
38#include <machine/bus.h>
39
40#include <dev/ofw/ofw_bus.h>
41#include <dev/ofw/ofw_bus_subr.h>
42
43#include <arm64/coresight/coresight.h>
44#include <arm64/coresight/coresight_replicator.h>
45
46#include "coresight_if.h"
47
48static struct ofw_compat_data compat_data[] = {
49	{ "arm,coresight-dynamic-replicator",	1 },
50	{ NULL,					0 }
51};
52
53static int
54replicator_fdt_probe(device_t dev)
55{
56	if (!ofw_bus_status_okay(dev))
57		return (ENXIO);
58
59	if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
60		return (ENXIO);
61
62	device_set_desc(dev, "ARM Coresight Replicator");
63
64	return (BUS_PROBE_DEFAULT);
65}
66
67static int
68replicator_fdt_attach(device_t dev)
69{
70	struct replicator_softc *sc;
71
72	sc = device_get_softc(dev);
73	sc->pdata = coresight_fdt_get_platform_data(dev);
74
75	return (replicator_attach(dev));
76}
77
78static device_method_t replicator_fdt_methods[] = {
79	/* Device interface */
80	DEVMETHOD(device_probe,		replicator_fdt_probe),
81	DEVMETHOD(device_attach,	replicator_fdt_attach),
82	DEVMETHOD_END
83};
84
85DEFINE_CLASS_1(replicator, replicator_fdt_driver, replicator_fdt_methods,
86    sizeof(struct replicator_softc), replicator_driver);
87
88EARLY_DRIVER_MODULE(replicator, simplebus, replicator_fdt_driver, 0, 0,
89    BUS_PASS_INTERRUPT + BUS_PASS_ORDER_MIDDLE);
90