1 /* $NetBSD: com_obio.c,v 1.3 2006/07/13 22:56:01 gdamore 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 1.3 2006/07/13 22:56:01 gdamore 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/i80321var.h> 50 51 #include <iyonix/iyonix/obiovar.h> 52 53 #include <dev/ic/comreg.h> 54 #include <dev/ic/comvar.h> 55 56 struct com_obio_softc { 57 struct com_softc sc_com; 58 59 void *sc_ih; 60 }; 61 62 int com_obio_match(struct device *, struct cfdata *, void *); 63 void com_obio_attach(struct device *, struct device *, void *); 64 65 CFATTACH_DECL(com_obio, sizeof(struct com_obio_softc), 66 com_obio_match, com_obio_attach, NULL, NULL); 67 68 int 69 com_obio_match(struct device *parent, struct cfdata *cf, void *aux) 70 { 71 /* We take it on faith that the device is there. */ 72 return (1); 73 } 74 75 void 76 com_obio_attach(struct device *parent, struct device *self, void *aux) 77 { 78 struct obio_attach_args *oba = aux; 79 struct com_obio_softc *osc = (void *) self; 80 struct com_softc *sc = &osc->sc_com; 81 bus_space_handle_t ioh; 82 int error; 83 84 sc->sc_frequency = COM_FREQ; 85 sc->sc_hwflags = COM_HW_NO_TXPRELOAD; 86 error = bus_space_map(oba->oba_st, oba->oba_addr, 8, 0, &ioh); 87 COM_INIT_REGS(sc->sc_regs, oba->oba_st, ioh, oba->oba_addr); 88 89 if (error) { 90 aprint_error(": failed to map registers: %d\n", error); 91 return; 92 } 93 94 com_attach_subr(sc); 95 96 osc->sc_ih = i80321_intr_establish(oba->oba_irq, IPL_SERIAL, 97 comintr, sc); 98 if (osc->sc_ih == NULL) 99 aprint_error("%s: unable to establish interrupt at irq %d\n", 100 sc->sc_dev.dv_xname, oba->oba_irq); 101 } 102