mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-22 11:17:19 +00:00
106 lines
2.8 KiB
C
106 lines
2.8 KiB
C
/*-
|
|
* Copyright (c) 2014 Warner Losh. 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 AUTHOR AND CONTRIBUTORS ``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 AUTHOR OR CONTRIBUTORS 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 "opt_platform.h"
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/module.h>
|
|
#include <sys/resource.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/rman.h>
|
|
|
|
#include <machine/bus.h>
|
|
|
|
#include <arm/at91/at91var.h>
|
|
#include <arm/at91/at91_aicreg.h>
|
|
|
|
#ifdef FDT
|
|
#include <dev/fdt/fdt_common.h>
|
|
#include <dev/ofw/ofw_bus.h>
|
|
#include <dev/ofw/ofw_bus_subr.h>
|
|
#endif
|
|
|
|
struct shdwc_softc {
|
|
struct resource *mem_res; /* Memory resource */
|
|
device_t sc_dev;
|
|
};
|
|
|
|
static int
|
|
at91_shdwc_probe(device_t dev)
|
|
{
|
|
#ifdef FDT
|
|
if (!ofw_bus_is_compatible(dev, "atmel,at91sam9260-shdwc"))
|
|
return (ENXIO);
|
|
#endif
|
|
device_set_desc(dev, "SHDWC");
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
at91_shdwc_attach(device_t dev)
|
|
{
|
|
int rid, err = 0;
|
|
struct shdwc_softc *sc;
|
|
|
|
sc = device_get_softc(dev);
|
|
sc->sc_dev = dev;
|
|
|
|
rid = 0;
|
|
sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
|
|
RF_ACTIVE);
|
|
|
|
if (sc->mem_res == NULL)
|
|
panic("couldn't allocate register resources");
|
|
|
|
return (err);
|
|
}
|
|
|
|
static device_method_t at91_shdwc_methods[] = {
|
|
DEVMETHOD(device_probe, at91_shdwc_probe),
|
|
DEVMETHOD(device_attach, at91_shdwc_attach),
|
|
DEVMETHOD_END
|
|
};
|
|
|
|
static driver_t at91_shdwc_driver = {
|
|
"at91_shdwc",
|
|
at91_shdwc_methods,
|
|
sizeof(struct shdwc_softc),
|
|
};
|
|
|
|
static devclass_t at91_shdwc_devclass;
|
|
|
|
#ifdef FDT
|
|
DRIVER_MODULE(at91_shdwc, simplebus, at91_shdwc_driver, at91_shdwc_devclass, NULL,
|
|
NULL);
|
|
#else
|
|
DRIVER_MODULE(at91_shdwc, atmelarm, at91_shdwc_driver, at91_shdwc_devclass, NULL,
|
|
NULL);
|
|
#endif
|