1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2016 Michael Zhilin <mizhka@gmail.com>
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 * without modification.
13 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
14 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
15 * redistribution must be conditioned upon including a substantially
16 * similar Disclaimer requirement for further binary redistribution.
17 *
18 * NO WARRANTY
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
22 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
23 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
24 * OR 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
27 * IN 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
29 * THE POSSIBILITY OF SUCH DAMAGES.
30 */
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
36 #include <sys/bus.h>
37 #include <sys/rman.h>
38 #include <sys/conf.h>
39
40 #include <machine/bus.h>
41
42 #include <dev/cfi/cfi_var.h>
43
44 #include "bhnd_chipc_if.h"
45
46 #include "chipcreg.h"
47 #include "chipcvar.h"
48 #include "chipc_slicer.h"
49
50 static int
chipc_cfi_probe(device_t dev)51 chipc_cfi_probe(device_t dev)
52 {
53 struct cfi_softc *sc;
54 int error;
55
56 sc = device_get_softc(dev);
57
58 sc->sc_width = 0;
59 if ((error = cfi_probe(dev)) > 0)
60 return (error);
61
62 device_set_desc(dev, "Broadcom ChipCommon CFI");
63 return (error);
64 }
65
66 static int
chipc_cfi_attach(device_t dev)67 chipc_cfi_attach(device_t dev)
68 {
69 chipc_register_slicer(CHIPC_PFLASH_CFI);
70 return (cfi_attach(dev));
71 }
72
73 static device_method_t chipc_cfi_methods[] = {
74 /* device interface */
75 DEVMETHOD(device_probe, chipc_cfi_probe),
76 DEVMETHOD(device_attach, chipc_cfi_attach),
77 DEVMETHOD(device_detach, cfi_detach),
78 {0, 0}
79 };
80
81 static driver_t chipc_cfi_driver = {
82 cfi_driver_name,
83 chipc_cfi_methods,
84 sizeof(struct cfi_softc),
85 };
86
87 DRIVER_MODULE(cfi, bhnd_chipc, chipc_cfi_driver, 0, 0);
88