2 * Copyright (c) 2012 Semihalf.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
34 #include <sys/module.h>
36 #include <dev/ofw/ofw_bus.h>
37 #include <dev/ofw/ofw_bus_subr.h>
39 #include <contrib/ncsw/inc/ncsw_ext.h>
40 #include <contrib/ncsw/inc/enet_ext.h>
44 #define FFMAN_DEVSTR "Freescale Frame Manager"
46 static int fman_fdt_probe(device_t dev);
48 static device_method_t fman_methods[] = {
49 /* Device interface */
50 DEVMETHOD(device_probe, fman_fdt_probe),
51 DEVMETHOD(device_attach, fman_attach),
52 DEVMETHOD(device_detach, fman_detach),
54 DEVMETHOD(device_shutdown, fman_shutdown),
55 DEVMETHOD(device_suspend, fman_suspend),
56 DEVMETHOD(device_resume, fman_resume),
61 static driver_t fman_driver = {
64 sizeof(struct fman_softc),
67 static devclass_t fman_devclass;
68 EARLY_DRIVER_MODULE(fman, simplebus, fman_driver, fman_devclass, 0, 0,
69 BUS_PASS_BUS + BUS_PASS_ORDER_MIDDLE);
73 fman_fdt_probe(device_t dev)
76 if (!ofw_bus_is_compatible(dev, "fsl,fman"))
79 device_set_desc(dev, FFMAN_DEVSTR);
81 return (BUS_PROBE_DEFAULT);
85 fman_get_clock(struct fman_softc *sc)
92 node = ofw_bus_get_node(dev);
94 if ((OF_getprop(node, "clock-frequency", &fman_clock,
95 sizeof(fman_clock)) <= 0) || (fman_clock == 0)) {
96 device_printf(dev, "could not acquire correct frequency "
102 return ((uint32_t)fman_clock);