scc_bfe_ebus.c revision 157351
1/*- 2 * Copyright (c) 2004-2006 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: head/sys/dev/scc/scc_bfe_ebus.c 157351 2006-04-01 04:51:56Z marcel $"); 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 EBUS_REGSHFT 0 46#define EBUS_RCLK 29491200 47 48static int 49scc_ebus_probe(device_t dev) 50{ 51 struct scc_softc *sc; 52 const char *cmpt, *nm; 53 54 sc = device_get_softc(dev); 55 nm = ofw_bus_get_name(dev); 56 cmpt = ofw_bus_get_compat(dev); 57 if (cmpt == NULL) 58 cmpt = ""; 59 if (!strcmp(nm, "se") || !strcmp(cmpt, "sab82532")) { 60 device_set_desc(dev, "Siemens SAB 82532 dual channel SCC"); 61 sc->sc_class = &scc_sab82532_class; 62 return (scc_bfe_probe(dev, EBUS_REGSHFT, EBUS_RCLK)); 63 } 64 return (ENXIO); 65} 66 67static device_method_t scc_ebus_methods[] = { 68 /* Device interface */ 69 DEVMETHOD(device_probe, scc_ebus_probe), 70 DEVMETHOD(device_attach, scc_bfe_attach), 71 DEVMETHOD(device_detach, scc_bfe_detach), 72 73 DEVMETHOD(bus_alloc_resource, scc_bus_alloc_resource), 74 DEVMETHOD(bus_release_resource, scc_bus_release_resource), 75 DEVMETHOD(bus_get_resource, scc_bus_get_resource), 76 DEVMETHOD(bus_read_ivar, scc_bus_read_ivar), 77 DEVMETHOD(bus_setup_intr, scc_bus_setup_intr), 78 DEVMETHOD(bus_teardown_intr, scc_bus_teardown_intr), 79 DEVMETHOD(bus_print_child, bus_generic_print_child), 80 DEVMETHOD(bus_driver_added, bus_generic_driver_added), 81 { 0, 0 } 82}; 83 84static driver_t scc_ebus_driver = { 85 scc_driver_name, 86 scc_ebus_methods, 87 sizeof(struct scc_softc), 88}; 89 90DRIVER_MODULE(scc, ebus, scc_ebus_driver, scc_devclass, 0, 0); 91