2 * Copyright (c) 2012 Robert N. M. Watson
3 * Copyright (c) 2012 SRI International
6 * This software was developed by SRI International and the University of
7 * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
8 * ("CTSRD"), as part of the DARPA CRASH research programme.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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.
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
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
35 #include <sys/param.h>
37 #include <sys/condvar.h>
40 #include <sys/kernel.h>
42 #include <sys/malloc.h>
43 #include <sys/module.h>
44 #include <sys/mutex.h>
46 #include <sys/systm.h>
47 #include <sys/taskqueue.h>
49 #include <machine/bus.h>
50 #include <machine/resource.h>
52 #include <geom/geom_disk.h>
54 #include <dev/fdt/fdt_common.h>
55 #include <dev/ofw/openfirm.h>
56 #include <dev/ofw/ofw_bus.h>
57 #include <dev/ofw/ofw_bus_subr.h>
59 #include <dev/isf/isf.h>
62 * FDT bus attachment for the Intel Strata Flash devices.
65 isf_fdt_probe(device_t dev)
68 if (ofw_bus_is_compatible(dev, "intel,strataflash")) {
69 device_set_desc(dev, "Intel StrataFlash NOR flash device");
70 return (BUS_PROBE_DEFAULT);
76 isf_fdt_attach(device_t dev)
81 sc = device_get_softc(dev);
83 sc->isf_unit = device_get_unit(dev);
85 sc->isf_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
86 &sc->isf_rid, RF_ACTIVE);
87 if (sc->isf_res == NULL) {
88 device_printf(dev, "couldn't map memory\n");
91 error = isf_attach(sc);
93 bus_release_resource(dev, SYS_RES_MEMORY, sc->isf_rid,
99 isf_fdt_detach(device_t dev)
101 struct isf_softc *sc;
103 sc = device_get_softc(dev);
104 KASSERT(sc->isf_res != NULL, ("%s: resources not allocated",
107 bus_release_resource(dev, SYS_RES_MEMORY, sc->isf_rid, sc->isf_res);
111 static device_method_t isf_fdt_methods[] = {
112 DEVMETHOD(device_probe, isf_fdt_probe),
113 DEVMETHOD(device_attach, isf_fdt_attach),
114 DEVMETHOD(device_detach, isf_fdt_detach),
118 static driver_t isf_fdt_driver = {
121 sizeof(struct isf_softc),
124 DRIVER_MODULE(isf, simplebus, isf_fdt_driver, isf_devclass, 0, 0);