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/*-
* 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/ktr.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/rman.h>
#include <sys/malloc.h>
#include <dev/fdt/fdt_common.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include <dev/ofw/openfirm.h>
#include "opt_platform.h"
static MALLOC_DEFINE(M_DPAA, "dpaa", "dpaa devices information");
static int dpaa_probe(device_t dev);
static int dpaa_attach(device_t dev);
static const struct ofw_bus_devinfo *dpaa_get_devinfo(device_t bus,
device_t child);
struct dpaa_softc {
};
struct dpaa_devinfo {
struct ofw_bus_devinfo di_ofw;
};
static device_method_t dpaa_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, dpaa_probe),
DEVMETHOD(device_attach, dpaa_attach),
DEVMETHOD(device_detach, bus_generic_detach),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
DEVMETHOD(device_suspend, bus_generic_suspend),
DEVMETHOD(device_resume, bus_generic_resume),
/* OFW bus interface */
DEVMETHOD(ofw_bus_get_devinfo, dpaa_get_devinfo),
DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat),
DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model),
DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name),
DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node),
DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type),
{0, 0}
};
static driver_t dpaa_driver = {
"dpaa",
dpaa_methods,
sizeof(struct dpaa_softc),
};
static devclass_t dpaa_devclass;
DRIVER_MODULE_ORDERED(dpaa, ofwbus, dpaa_driver, dpaa_devclass, 0, 0,
SI_ORDER_ANY);
static int
dpaa_probe(device_t dev)
{
if (!ofw_bus_is_compatible(dev, "fsl,dpaa"))
return (ENXIO);
device_set_desc(dev, "Freescale Data Path Acceleration Architecture");
return (BUS_PROBE_DEFAULT);
}
static int
dpaa_attach(device_t dev)
{
device_t dev_child;
phandle_t dt_node, dt_child, enet_node;
struct dpaa_devinfo *di;
pcell_t cell_index;
cell_index = 0;
/*
* Walk dpaa and add direct subordinates as our children.
*/
dt_node = ofw_bus_get_node(dev);
dt_child = OF_child(dt_node);
for (; dt_child != 0; dt_child = OF_peer(dt_child)) {
/* Check and process 'status' property. */
if (!(fdt_is_enabled(dt_child)))
continue;
di = (struct dpaa_devinfo *)malloc(sizeof(*di), M_DPAA,
M_WAITOK | M_ZERO);
if (ofw_bus_gen_setup_devinfo(&di->di_ofw, dt_child) != 0) {
free(di, M_DPAA);
device_printf(dev, "could not set up devinfo\n");
continue;
}
/*
* dTSEC number from SoC is equal to number get from
* dts file.
*/
if (OF_getprop(dt_child, "fsl,fman-mac",
(void *)&enet_node, sizeof(enet_node)) == -1) {
device_printf(dev, "Could not get fsl,fman-mac "
"from dts\n");
continue;
}
if ((enet_node = OF_instance_to_package(enet_node)) == -1) {
device_printf(dev, "Could not get enet node\n");
continue;
}
if (OF_getprop(enet_node, "cell-index",
(void *)&cell_index, sizeof(cell_index)) == -1) {
device_printf(dev, "Could not get cell-index from enet "
"node\n");
continue;
}
/* Add newbus device for this FDT node */
dev_child = device_add_child(dev, "dtsec", (int)cell_index);
if (dev_child == NULL) {
device_printf(dev, "could not add child: %s\n",
di->di_ofw.obd_name);
ofw_bus_gen_destroy_devinfo(&di->di_ofw);
free(di, M_DPAA);
continue;
}
#ifdef DEBUG
device_printf(dev, "added child: %s\n\n", di->di_ofw.obd_name);
#endif
device_set_ivars(dev_child, di);
}
return (bus_generic_attach(dev));
}
static const struct ofw_bus_devinfo *
dpaa_get_devinfo(device_t bus, device_t child)
{
struct dpaa_devinfo *di;
di = device_get_ivars(child);
return (&di->di_ofw);
}
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