1 /* $NetBSD: com_cpcbus.c,v 1.4 2002/10/02 16:33:31 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (lennart@augustsson.net) at Sandburst Corp. 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/param.h> 40 #include <sys/device.h> 41 #include <sys/tty.h> 42 #include <sys/systm.h> 43 44 #include <machine/bus.h> 45 46 #include <dev/ic/cpc700reg.h> 47 #include <dev/ic/cpc700var.h> 48 49 #include <dev/ic/comreg.h> 50 #include <dev/ic/comvar.h> 51 52 struct com_cpc_softc { 53 struct com_softc sc_com; 54 void *sc_ih; 55 }; 56 57 static int com_cpc_match(struct device *, struct cfdata *, void *); 58 static void com_cpc_attach(struct device *, struct device *, void *); 59 60 CFATTACH_DECL(com_cpcbus, sizeof(struct com_cpc_softc), 61 com_cpc_match, com_cpc_attach, NULL, NULL); 62 63 int 64 com_cpc_match(struct device *parent, struct cfdata *cf, void *aux) 65 { 66 struct cpcbus_attach_args *caa = aux; 67 68 return (strcmp(caa->cpca_name, "com") == 0); 69 } 70 71 void 72 com_cpc_attach(struct device *parent, struct device *self, void *aux) 73 { 74 struct cpcbus_attach_args *caa = aux; 75 struct com_cpc_softc *sc = (struct com_cpc_softc *)self; 76 int iobase = caa->cpca_addr; 77 int irq = caa->cpca_irq; 78 79 sc->sc_com.sc_iot = caa->cpca_tag; 80 sc->sc_com.sc_iobase = iobase; 81 82 if (!com_is_console(sc->sc_com.sc_iot, iobase, &sc->sc_com.sc_ioh) && 83 bus_space_map(sc->sc_com.sc_iot, iobase, COM_NPORTS, 0, 84 &sc->sc_com.sc_ioh)) { 85 printf("%s: can't map i/o space\n", self->dv_xname); 86 return; 87 } 88 89 sc->sc_com.sc_frequency = CPC_COM_SPEED(caa->cpca_freq); 90 91 com_attach_subr(&sc->sc_com); 92 93 sc->sc_ih = intr_establish(irq, IST_LEVEL, IPL_SERIAL, comintr, 94 &sc->sc_com); 95 } 96