1 /*- 2 * Copyright (c) 2006 Marcel Moolenaar 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 * 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, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include <sys/param.h> 31 #include <sys/systm.h> 32 #include <sys/bus.h> 33 #include <sys/conf.h> 34 #include <sys/kernel.h> 35 #include <sys/module.h> 36 37 #include <dev/ofw/ofw_bus.h> 38 39 #include <machine/bus.h> 40 #include <sys/rman.h> 41 #include <machine/resource.h> 42 43 #include <dev/scc/scc_bfe.h> 44 45 #define MACIO_REGSHFT 4 46 #define MACIO_RCLK 230400 47 48 static int 49 scc_macio_probe(device_t dev) 50 { 51 struct scc_softc *sc; 52 const char *nm; 53 54 sc = device_get_softc(dev); 55 nm = ofw_bus_get_name(dev); 56 if (!strcmp(nm, "escc")) { 57 device_set_desc(dev, "Zilog Z8530 dual channel SCC"); 58 sc->sc_class = &scc_z8530_class; 59 return (scc_bfe_probe(dev, MACIO_REGSHFT, MACIO_RCLK)); 60 } 61 return (ENXIO); 62 } 63 64 static device_method_t scc_macio_methods[] = { 65 /* Device interface */ 66 DEVMETHOD(device_probe, scc_macio_probe), 67 DEVMETHOD(device_attach, scc_bfe_attach), 68 DEVMETHOD(device_detach, scc_bfe_detach), 69 70 DEVMETHOD(bus_alloc_resource, scc_bus_alloc_resource), 71 DEVMETHOD(bus_release_resource, scc_bus_release_resource), 72 DEVMETHOD(bus_get_resource, scc_bus_get_resource), 73 DEVMETHOD(bus_read_ivar, scc_bus_read_ivar), 74 DEVMETHOD(bus_setup_intr, scc_bus_setup_intr), 75 DEVMETHOD(bus_teardown_intr, scc_bus_teardown_intr), 76 DEVMETHOD(bus_print_child, bus_generic_print_child), 77 DEVMETHOD(bus_driver_added, bus_generic_driver_added), 78 { 0, 0 } 79 }; 80 81 static driver_t scc_macio_driver = { 82 scc_driver_name, 83 scc_macio_methods, 84 sizeof(struct scc_softc), 85 }; 86 87 DRIVER_MODULE(scc, macio, scc_macio_driver, scc_devclass, 0, 0); 88