1 /*- 2 * Copyright (c) 2006 Juniper Networks. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/bus.h> 35 #include <sys/conf.h> 36 #include <sys/kernel.h> 37 #include <sys/lock.h> 38 #include <sys/malloc.h> 39 #include <sys/module.h> 40 #include <sys/rman.h> 41 #include <sys/tty.h> 42 #include <machine/bus.h> 43 44 #include <dev/ofw/ofw_bus.h> 45 #include <dev/ofw/ofw_bus_subr.h> 46 #include <dev/quicc/quicc_bfe.h> 47 48 static int quicc_fdt_probe(device_t dev); 49 50 static device_method_t quicc_fdt_methods[] = { 51 /* Device interface */ 52 DEVMETHOD(device_probe, quicc_fdt_probe), 53 DEVMETHOD(device_attach, quicc_bfe_attach), 54 DEVMETHOD(device_detach, quicc_bfe_detach), 55 56 DEVMETHOD(bus_alloc_resource, quicc_bus_alloc_resource), 57 DEVMETHOD(bus_release_resource, quicc_bus_release_resource), 58 DEVMETHOD(bus_get_resource, quicc_bus_get_resource), 59 DEVMETHOD(bus_read_ivar, quicc_bus_read_ivar), 60 DEVMETHOD(bus_setup_intr, quicc_bus_setup_intr), 61 DEVMETHOD(bus_teardown_intr, quicc_bus_teardown_intr), 62 63 DEVMETHOD_END 64 }; 65 66 static driver_t quicc_fdt_driver = { 67 quicc_driver_name, 68 quicc_fdt_methods, 69 sizeof(struct quicc_softc), 70 }; 71 72 static int 73 quicc_fdt_probe(device_t dev) 74 { 75 phandle_t par; 76 pcell_t clock; 77 78 if (!ofw_bus_status_okay(dev)) 79 return (ENXIO); 80 81 if (!ofw_bus_is_compatible(dev, "fsl,cpm2")) 82 return (ENXIO); 83 84 par = OF_parent(ofw_bus_get_node(dev)); 85 if (OF_getprop(par, "bus-frequency", &clock, sizeof(clock)) <= 0) 86 clock = 0; 87 88 return (quicc_bfe_probe(dev, (uintptr_t)clock)); 89 } 90 91 DRIVER_MODULE(quicc, simplebus, quicc_fdt_driver, quicc_devclass, 0, 0); 92