41e85e8e35
Probing disabled devices just adds noise.
107 lines
3.1 KiB
C
107 lines
3.1 KiB
C
/*-
|
|
* Copyright (c) 2012 Semihalf.
|
|
* 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 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 THE 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 <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/module.h>
|
|
|
|
#include <dev/fdt/simplebus.h>
|
|
#include <dev/ofw/ofw_bus.h>
|
|
#include <dev/ofw/ofw_bus_subr.h>
|
|
|
|
#include <contrib/ncsw/inc/ncsw_ext.h>
|
|
#include <contrib/ncsw/inc/enet_ext.h>
|
|
|
|
#include "fman.h"
|
|
|
|
#define FFMAN_DEVSTR "Freescale Frame Manager"
|
|
|
|
static int fman_fdt_probe(device_t dev);
|
|
|
|
static device_method_t fman_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, fman_fdt_probe),
|
|
DEVMETHOD(device_attach, fman_attach),
|
|
DEVMETHOD(device_detach, fman_detach),
|
|
|
|
DEVMETHOD(device_shutdown, fman_shutdown),
|
|
DEVMETHOD(device_suspend, fman_suspend),
|
|
DEVMETHOD(device_resume, fman_resume_dev),
|
|
|
|
DEVMETHOD(bus_alloc_resource, fman_alloc_resource),
|
|
DEVMETHOD(bus_activate_resource, fman_activate_resource),
|
|
DEVMETHOD(bus_release_resource, fman_release_resource),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
DEFINE_CLASS_1(fman, fman_driver, fman_methods,
|
|
sizeof(struct fman_softc), simplebus_driver);
|
|
EARLY_DRIVER_MODULE(fman, simplebus, fman_driver, 0, 0,
|
|
BUS_PASS_BUS + BUS_PASS_ORDER_MIDDLE);
|
|
|
|
|
|
static int
|
|
fman_fdt_probe(device_t dev)
|
|
{
|
|
|
|
if (!ofw_bus_status_okay(dev))
|
|
return (ENXIO);
|
|
|
|
if (!ofw_bus_is_compatible(dev, "fsl,fman"))
|
|
return (ENXIO);
|
|
|
|
device_set_desc(dev, FFMAN_DEVSTR);
|
|
|
|
return (BUS_PROBE_DEFAULT);
|
|
}
|
|
|
|
uint32_t
|
|
fman_get_clock(struct fman_softc *sc)
|
|
{
|
|
device_t dev;
|
|
phandle_t node;
|
|
pcell_t fman_clock;
|
|
|
|
dev = sc->sc_base.dev;
|
|
node = ofw_bus_get_node(dev);
|
|
|
|
if ((OF_getprop(node, "clock-frequency", &fman_clock,
|
|
sizeof(fman_clock)) <= 0) || (fman_clock == 0)) {
|
|
device_printf(dev, "could not acquire correct frequency "
|
|
"from DTS\n");
|
|
|
|
return (0);
|
|
}
|
|
|
|
return ((uint32_t)fman_clock);
|
|
}
|
|
|