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/*-
* Copyright (c) 2009 Roelof Jonkman, Carlson Wireless Inc.
* Copyright (c) 2009 Sam Leffler, Errno Consulting
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/dev/cfi/cfi_bus_ixp4xx.c 188741 2009-02-17 23:43:17Z sam $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/module.h>
#include <sys/rman.h>
#include <sys/sysctl.h>
#include <machine/bus.h>
#include <dev/cfi/cfi_var.h>
#include <arm/xscale/ixp425/ixp425reg.h>
#include <arm/xscale/ixp425/ixp425var.h>
static int
cfi_ixp4xx_probe(device_t dev)
{
struct cfi_softc *sc = device_get_softc(dev);
/*
* NB: we assume the boot loader sets up EXP_TIMING_CS0_OFFSET
* according to the flash on the board. If it does not then it
* can be done here.
*/
if (bootverbose) {
struct ixp425_softc *sa =
device_get_softc(device_get_parent(dev));
device_printf(dev, "EXP_TIMING_CS0_OFFSET 0x%x\n",
EXP_BUS_READ_4(sa, EXP_TIMING_CS0_OFFSET));
}
sc->sc_width = 2; /* NB: don't probe interface width */
return cfi_probe(dev);
}
static device_method_t cfi_ixp4xx_methods[] = {
/* device interface */
DEVMETHOD(device_probe, cfi_ixp4xx_probe),
DEVMETHOD(device_attach, cfi_attach),
DEVMETHOD(device_detach, cfi_detach),
{0, 0}
};
static driver_t cfi_ixp4xx_driver = {
cfi_driver_name,
cfi_ixp4xx_methods,
sizeof(struct cfi_softc),
};
DRIVER_MODULE(cfi, ixp, cfi_ixp4xx_driver, cfi_devclass, 0, 0);