diff options
Diffstat (limited to 'sys/dev/quicc/quicc_bfe_fdt.c')
| -rw-r--r-- | sys/dev/quicc/quicc_bfe_fdt.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/sys/dev/quicc/quicc_bfe_fdt.c b/sys/dev/quicc/quicc_bfe_fdt.c new file mode 100644 index 000000000000..e1fd2d5ad1ec --- /dev/null +++ b/sys/dev/quicc/quicc_bfe_fdt.c @@ -0,0 +1,90 @@ +/*- + * Copyright (c) 2006 Juniper Networks. + * 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. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * 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("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/bus.h> +#include <sys/conf.h> +#include <sys/kernel.h> +#include <sys/lock.h> +#include <sys/malloc.h> +#include <sys/module.h> +#include <sys/rman.h> +#include <sys/tty.h> +#include <machine/bus.h> + +#include <dev/ofw/ofw_bus.h> +#include <dev/ofw/ofw_bus_subr.h> +#include <dev/quicc/quicc_bfe.h> + +static int quicc_fdt_probe(device_t dev); + +static device_method_t quicc_fdt_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, quicc_fdt_probe), + DEVMETHOD(device_attach, quicc_bfe_attach), + DEVMETHOD(device_detach, quicc_bfe_detach), + + DEVMETHOD(bus_alloc_resource, quicc_bus_alloc_resource), + DEVMETHOD(bus_release_resource, quicc_bus_release_resource), + DEVMETHOD(bus_get_resource, quicc_bus_get_resource), + DEVMETHOD(bus_read_ivar, quicc_bus_read_ivar), + DEVMETHOD(bus_setup_intr, quicc_bus_setup_intr), + DEVMETHOD(bus_teardown_intr, quicc_bus_teardown_intr), + DEVMETHOD(bus_print_child, bus_generic_print_child), + DEVMETHOD(bus_driver_added, bus_generic_driver_added), + + { 0, 0 } +}; + +static driver_t quicc_fdt_driver = { + quicc_driver_name, + quicc_fdt_methods, + sizeof(struct quicc_softc), +}; + +static int +quicc_fdt_probe(device_t dev) +{ + phandle_t par; + pcell_t clock; + + if (!ofw_bus_is_compatible(dev, "fsl,cpm2")) + return (ENXIO); + + par = OF_parent(ofw_bus_get_node(dev)); + if (OF_getprop(par, "bus-frequency", &clock, sizeof(clock)) <= 0) + clock = 0; + + return (quicc_bfe_probe(dev, (uintptr_t)clock)); +} + +DRIVER_MODULE(quicc, simplebus, quicc_fdt_driver, quicc_devclass, 0, 0); |