11.15Sthorpej/* $NetBSD: com_obio.c,v 1.15 2018/12/08 17:46:10 thorpej Exp $ */ 21.2Sthorpej 31.1Smatt/*- 41.1Smatt * Copyright (c) 2001 The NetBSD Foundation, Inc. 51.1Smatt * All rights reserved. 61.1Smatt * 71.1Smatt * This code is derived from software contributed to The NetBSD Foundation 81.1Smatt * by Matt Thomas <matt@3am-software.com>. 91.1Smatt * 101.1Smatt * Redistribution and use in source and binary forms, with or without 111.1Smatt * modification, are permitted provided that the following conditions 121.1Smatt * are met: 131.1Smatt * 1. Redistributions of source code must retain the above copyright 141.1Smatt * notice, this list of conditions and the following disclaimer. 151.1Smatt * 2. Redistributions in binary form must reproduce the above copyright 161.1Smatt * notice, this list of conditions and the following disclaimer in the 171.1Smatt * documentation and/or other materials provided with the distribution. 181.1Smatt * 191.1Smatt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 201.1Smatt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 211.1Smatt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 221.1Smatt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 231.1Smatt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 241.1Smatt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 251.1Smatt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 261.1Smatt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 271.1Smatt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 281.1Smatt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 291.1Smatt * POSSIBILITY OF SUCH DAMAGE. 301.1Smatt */ 311.9Slukem 321.9Slukem#include <sys/cdefs.h> 331.15Sthorpej__KERNEL_RCSID(0, "$NetBSD: com_obio.c,v 1.15 2018/12/08 17:46:10 thorpej Exp $"); 341.1Smatt 351.1Smatt#include <sys/param.h> 361.1Smatt#include <sys/systm.h> 371.1Smatt#include <sys/device.h> 381.1Smatt#include <sys/termios.h> 391.1Smatt 401.14Sdyoung#include <sys/bus.h> 411.2Sthorpej 421.2Sthorpej#include <evbarm/iq80310/iq80310var.h> 431.2Sthorpej#include <evbarm/iq80310/obiovar.h> 441.1Smatt 451.1Smatt#include <dev/ic/comreg.h> 461.1Smatt#include <dev/ic/comvar.h> 471.1Smatt 481.2Sthorpejstruct com_obio_softc { 491.2Sthorpej struct com_softc sc_com; 501.2Sthorpej 511.2Sthorpej void *sc_ih; 521.2Sthorpej}; 531.2Sthorpej 541.12Scubeint com_obio_match(device_t, cfdata_t , void *); 551.12Scubevoid com_obio_attach(device_t, device_t, void *); 561.1Smatt 571.12ScubeCFATTACH_DECL_NEW(com_obio, sizeof(struct com_obio_softc), 581.7Sthorpej com_obio_match, com_obio_attach, NULL, NULL); 591.1Smatt 601.2Sthorpejint 611.12Scubecom_obio_match(device_t parent, cfdata_t cf, void *aux) 621.1Smatt{ 631.2Sthorpej 641.8Sthorpej /* We take it on faith that the device is there. */ 651.8Sthorpej return (1); 661.1Smatt} 671.1Smatt 681.2Sthorpejvoid 691.12Scubecom_obio_attach(device_t parent, device_t self, void *aux) 701.1Smatt{ 711.2Sthorpej struct obio_attach_args *oba = aux; 721.12Scube struct com_obio_softc *osc = device_private(self); 731.2Sthorpej struct com_softc *sc = &osc->sc_com; 741.11Sgdamore bus_space_handle_t ioh; 751.1Smatt int error; 761.1Smatt 771.12Scube sc->sc_dev = self; 781.1Smatt sc->sc_frequency = COM_FREQ; 791.4Sthorpej sc->sc_hwflags = COM_HW_NO_TXPRELOAD; 801.11Sgdamore error = bus_space_map(oba->oba_st, oba->oba_addr, 8, 0, &ioh); 811.1Smatt 821.1Smatt if (error) { 831.12Scube aprint_error(": failed to map registers: %d\n", error); 841.1Smatt return; 851.1Smatt } 861.15Sthorpej com_init_regs(&sc->sc_regs, oba->oba_st, ioh, oba->oba_addr); 871.1Smatt com_attach_subr(sc); 881.2Sthorpej 891.2Sthorpej osc->sc_ih = iq80310_intr_establish(oba->oba_irq, IPL_SERIAL, 901.2Sthorpej comintr, sc); 911.2Sthorpej if (osc->sc_ih == NULL) 921.12Scube aprint_error_dev(self, 931.12Scube "unable to establish interrupt at CPLD irq %d\n", 941.12Scube oba->oba_irq); 951.1Smatt} 96