1 /* $NetBSD: com_elb.c,v 1.8 2008/08/08 09:50:19 hannken Exp $ */ 2 3 /*- 4 * Copyright (c) 2003 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Juergen Hannken-Illjes. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: com_elb.c,v 1.8 2008/08/08 09:50:19 hannken Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/conf.h> 37 #include <sys/device.h> 38 #include <sys/systm.h> 39 #include <sys/tty.h> 40 41 #include <machine/bus.h> 42 43 #include <dev/ic/comreg.h> 44 #include <dev/ic/comvar.h> 45 46 #include <evbppc/explora/dev/elbvar.h> 47 48 struct com_elb_softc { 49 struct com_softc sc_com; 50 void *sc_ih; 51 }; 52 53 static int com_elb_probe(device_t, cfdata_t , void *); 54 static void com_elb_attach(device_t, device_t, void *); 55 56 CFATTACH_DECL_NEW(com_elb, sizeof(struct com_elb_softc), 57 com_elb_probe, com_elb_attach, NULL, NULL); 58 59 int 60 com_elb_probe(device_t parent, cfdata_t cf, void *aux) 61 { 62 struct elb_attach_args *oaa = aux; 63 64 if (strcmp(oaa->elb_name, cf->cf_name) != 0) 65 return 0; 66 67 return (1); 68 } 69 70 void 71 com_elb_attach(device_t parent, device_t self, void *aux) 72 { 73 struct com_elb_softc *msc = device_private(self); 74 struct com_softc *sc = &msc->sc_com; 75 struct elb_attach_args *eaa = aux; 76 bus_space_handle_t ioh; 77 78 sc->sc_dev = self; 79 80 bus_space_map(eaa->elb_bt, 81 _BUS_SPACE_UNSTRIDE(eaa->elb_bt, eaa->elb_base), 82 COM_NPORTS, 0, &ioh); 83 COM_INIT_REGS(sc->sc_regs, eaa->elb_bt, ioh, 84 _BUS_SPACE_UNSTRIDE(eaa->elb_bt, eaa->elb_base)); 85 86 sc->sc_frequency = COM_FREQ; 87 88 com_attach_subr(sc); 89 90 intr_establish(eaa->elb_irq, IST_LEVEL, IPL_SERIAL, comintr, sc); 91 } 92