1 /* $NetBSD: com_obio.c,v 1.2 2003/07/15 00:24:57 lukem Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Matt Thomas <matt@3am-software.com>. 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_obio.c,v 1.2 2003/07/15 00:24:57 lukem Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/device.h> 45 #include <sys/termios.h> 46 47 #include <machine/bus.h> 48 49 #include <arm/xscale/beccreg.h> 50 #include <arm/xscale/beccvar.h> 51 52 #include <evbarm/adi_brh/brhreg.h> 53 #include <evbarm/adi_brh/obiovar.h> 54 55 #include <dev/ic/comreg.h> 56 #include <dev/ic/comvar.h> 57 58 struct com_obio_softc { 59 struct com_softc sc_com; 60 61 void *sc_ih; 62 }; 63 64 int com_obio_match(struct device *, struct cfdata *, void *); 65 void com_obio_attach(struct device *, struct device *, void *); 66 67 CFATTACH_DECL(com_obio, sizeof(struct com_obio_softc), 68 com_obio_match, com_obio_attach, NULL, NULL); 69 70 int 71 com_obio_match(struct device *parent, struct cfdata *cf, void *aux) 72 { 73 74 /* We take it on faith that the device is there. */ 75 return (1); 76 } 77 78 void 79 com_obio_attach(struct device *parent, struct device *self, void *aux) 80 { 81 struct obio_attach_args *oba = aux; 82 struct com_obio_softc *osc = (void *) self; 83 struct com_softc *sc = &osc->sc_com; 84 int error; 85 86 sc->sc_iot = oba->oba_st; 87 sc->sc_iobase = oba->oba_addr; 88 sc->sc_frequency = BECC_PERIPH_CLOCK; 89 sc->sc_hwflags = COM_HW_NO_TXPRELOAD; 90 error = bus_space_map(sc->sc_iot, oba->oba_addr, 8, 0, &sc->sc_ioh); 91 92 if (error) { 93 printf(": failed to map registers: %d\n", error); 94 return; 95 } 96 97 com_attach_subr(sc); 98 99 osc->sc_ih = becc_intr_establish(oba->oba_irq, IPL_SERIAL, 100 comintr, sc); 101 if (osc->sc_ih == NULL) 102 printf("%s: unable to establish interrupt at irq %d\n", 103 sc->sc_dev.dv_xname, oba->oba_irq); 104 } 105