1 /* $NetBSD: com_elb.c,v 1.2 2003/07/15 01:37:36 lukem 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: com_elb.c,v 1.2 2003/07/15 01:37:36 lukem Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/conf.h> 44 #include <sys/device.h> 45 #include <sys/systm.h> 46 #include <sys/tty.h> 47 48 #include <machine/bus.h> 49 50 #include <dev/ic/comreg.h> 51 #include <dev/ic/comvar.h> 52 53 #include <evbppc/explora/dev/elbvar.h> 54 55 struct com_elb_softc { 56 struct com_softc sc_com; 57 void *sc_ih; 58 }; 59 60 static int com_elb_probe(struct device *, struct cfdata *, void *); 61 static void com_elb_attach(struct device *, struct device *, void *); 62 63 CFATTACH_DECL(com_elb, sizeof(struct com_elb_softc), 64 com_elb_probe, com_elb_attach, NULL, NULL); 65 66 int 67 com_elb_probe(struct device *parent, struct cfdata *cf, void *aux) 68 { 69 struct elb_attach_args *oaa = aux; 70 71 if (strcmp(oaa->elb_name, cf->cf_name) != 0) 72 return 0; 73 74 return (1); 75 } 76 77 void 78 com_elb_attach(struct device *parent, struct device *self, void *aux) 79 { 80 struct com_elb_softc *msc = (void *)self; 81 struct com_softc *sc = &msc->sc_com; 82 struct elb_attach_args *eaa = aux; 83 84 sc->sc_iot = eaa->elb_bt; 85 sc->sc_iobase = eaa->elb_base; 86 87 bus_space_map(sc->sc_iot, eaa->elb_base, COM_NPORTS, 0, &sc->sc_ioh); 88 89 sc->sc_frequency = COM_FREQ; 90 91 com_attach_subr(sc); 92 93 intr_establish(eaa->elb_irq, IST_LEVEL, IPL_SERIAL, comintr, sc); 94 } 95