2 * Copyright (c) 2009 Roelof Jonkman, Carlson Wireless Inc.
3 * Copyright (c) 2009 Sam Leffler, Errno Consulting
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/malloc.h>
36 #include <sys/module.h>
38 #include <sys/sysctl.h>
40 #include <machine/bus.h>
42 #include <dev/cfi/cfi_var.h>
44 #include <arm/xscale/ixp425/ixp425reg.h>
45 #include <arm/xscale/ixp425/ixp425var.h>
48 cfi_ixp4xx_probe(device_t dev)
50 struct cfi_softc *sc = device_get_softc(dev);
52 * NB: we assume the boot loader sets up EXP_TIMING_CS0_OFFSET
53 * according to the flash on the board. If it does not then it
57 struct ixp425_softc *sa =
58 device_get_softc(device_get_parent(dev));
59 device_printf(dev, "EXP_TIMING_CS0_OFFSET 0x%x\n",
60 EXP_BUS_READ_4(sa, EXP_TIMING_CS0_OFFSET));
62 sc->sc_width = 2; /* NB: don't probe interface width */
63 return cfi_probe(dev);
66 static device_method_t cfi_ixp4xx_methods[] = {
67 /* device interface */
68 DEVMETHOD(device_probe, cfi_ixp4xx_probe),
69 DEVMETHOD(device_attach, cfi_attach),
70 DEVMETHOD(device_detach, cfi_detach),
75 static driver_t cfi_ixp4xx_driver = {
78 sizeof(struct cfi_softc),
80 DRIVER_MODULE(cfi, ixp, cfi_ixp4xx_driver, cfi_devclass, 0, 0);