1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright 2008 by Nathan Whitehorn. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 */ 28 29 #include <sys/param.h> 30 #include <sys/systm.h> 31 #include <sys/module.h> 32 #include <sys/bus.h> 33 #include <sys/conf.h> 34 #include <sys/kernel.h> 35 36 #include <dev/ofw/ofw_bus.h> 37 #include <dev/ofw/openfirm.h> 38 39 #include <machine/bus.h> 40 41 #include <vm/vm.h> 42 #include <vm/pmap.h> 43 44 #include <sys/rman.h> 45 46 /* 47 * Mambo interface 48 */ 49 static int mambobus_probe(device_t); 50 static int mambobus_attach(device_t); 51 52 static device_method_t mambobus_methods[] = { 53 /* Device interface */ 54 DEVMETHOD(device_probe, mambobus_probe), 55 DEVMETHOD(device_attach, mambobus_attach), 56 57 /* Bus interface */ 58 DEVMETHOD(bus_add_child, bus_generic_add_child), 59 DEVMETHOD(bus_read_ivar, bus_generic_read_ivar), 60 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), 61 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 62 DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource), 63 DEVMETHOD(bus_release_resource, bus_generic_release_resource), 64 DEVMETHOD(bus_activate_resource,bus_generic_activate_resource), 65 66 DEVMETHOD_END 67 }; 68 69 static driver_t mambobus_driver = { 70 "mambo", 71 mambobus_methods, 72 0 73 }; 74 75 DRIVER_MODULE(mambo, ofwbus, mambobus_driver, 0, 0); 76 77 static int 78 mambobus_probe(device_t dev) 79 { 80 const char *name = ofw_bus_get_name(dev); 81 82 if (name && !strcmp(name, "mambo")) { 83 device_set_desc(dev, "Mambo Simulator"); 84 return (0); 85 } 86 87 return (ENXIO); 88 } 89 90 static int 91 mambobus_attach(device_t dev) 92 { 93 bus_identify_children(dev); 94 bus_attach_children(dev); 95 return (0); 96 } 97