scc_bfe_ebus.c revision 253900
126497Sache/*- 226497Sache * Copyright (c) 2004-2006 Marcel Moolenaar 326497Sache * All rights reserved. 426497Sache * 526497Sache * Redistribution and use in source and binary forms, with or without 626497Sache * modification, are permitted provided that the following conditions 726497Sache * are met: 8157184Sache * 926497Sache * 1. Redistributions of source code must retain the above copyright 10157184Sache * notice, this list of conditions and the following disclaimer. 11157184Sache * 2. Redistributions in binary form must reproduce the above copyright 12157184Sache * notice, this list of conditions and the following disclaimer in the 13157184Sache * documentation and/or other materials provided with the distribution. 14157184Sache * 15157184Sache * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16157184Sache * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17157184Sache * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18157184Sache * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19157184Sache * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20157184Sache * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21157184Sache * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22157184Sache * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23157184Sache * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24157184Sache * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25157184Sache */ 26157184Sache 27157184Sache#include <sys/cdefs.h> 28157184Sache__FBSDID("$FreeBSD: head/sys/dev/scc/scc_bfe_ebus.c 253900 2013-08-02 23:30:32Z marius $"); 2926497Sache 30119610Sache#include <sys/param.h> 3126497Sache#include <sys/systm.h> 32119610Sache#include <sys/bus.h> 3326497Sache#include <sys/conf.h> 34119610Sache#include <sys/kernel.h> 3526497Sache#include <sys/module.h> 36119610Sache 37157184Sache#include <dev/ofw/ofw_bus.h> 38119610Sache 3926497Sache#include <machine/bus.h> 4026497Sache#include <sys/rman.h> 4135486Sache#include <machine/resource.h> 4235486Sache 43157184Sache#include <dev/scc/scc_bfe.h> 4435486Sache 4535486Sache#define EBUS_REGSHFT 0 46119610Sache#define EBUS_RCLK 29491200 47157184Sache 4835486Sachestatic int 4935486Sachescc_ebus_probe(device_t dev) 5035486Sache{ 5135486Sache struct scc_softc *sc; 5235486Sache const char *cmpt, *nm; 53157184Sache 54157184Sache sc = device_get_softc(dev); 55157184Sache nm = ofw_bus_get_name(dev); 56157184Sache cmpt = ofw_bus_get_compat(dev); 57157184Sache if (cmpt == NULL) 58157184Sache cmpt = ""; 59119610Sache if (!strcmp(nm, "se") || !strcmp(nm, "FJSV,se") || 60136644Sache !strcmp(cmpt, "sab82532")) { 61119610Sache device_set_desc(dev, "Siemens SAB 82532 dual channel SCC"); 62119610Sache sc->sc_class = &scc_sab82532_class; 63119610Sache return (scc_bfe_probe(dev, EBUS_REGSHFT, EBUS_RCLK, 0)); 64136644Sache } 65119610Sache return (ENXIO); 66119610Sache} 67119610Sache 68136644Sachestatic int 69136644Sachescc_ebus_attach(device_t dev) 70136644Sache{ 71136644Sache 72157184Sache return (scc_bfe_attach(dev, 0)); 73157184Sache} 74157184Sache 75157184Sachestatic device_method_t scc_ebus_methods[] = { 76157184Sache /* Device interface */ 77157184Sache DEVMETHOD(device_probe, scc_ebus_probe), 78157184Sache DEVMETHOD(device_attach, scc_ebus_attach), 79157184Sache DEVMETHOD(device_detach, scc_bfe_detach), 80157184Sache 81157184Sache DEVMETHOD(bus_alloc_resource, scc_bus_alloc_resource), 82157184Sache DEVMETHOD(bus_release_resource, scc_bus_release_resource), 83157184Sache DEVMETHOD(bus_get_resource, scc_bus_get_resource), 84157184Sache DEVMETHOD(bus_read_ivar, scc_bus_read_ivar), 85157184Sache DEVMETHOD(bus_setup_intr, scc_bus_setup_intr), 86157184Sache DEVMETHOD(bus_teardown_intr, scc_bus_teardown_intr), 87157184Sache 88157184Sache DEVMETHOD_END 89157184Sache}; 90157184Sache 91157184Sachestatic driver_t scc_ebus_driver = { 92157184Sache scc_driver_name, 93157184Sache scc_ebus_methods, 94157184Sache sizeof(struct scc_softc), 95157184Sache}; 96157184Sache 97157184SacheDRIVER_MODULE(scc, ebus, scc_ebus_driver, scc_devclass, NULL, NULL); 98157184Sache