1/* $NetBSD: com_obio.c,v 1.8 2018/12/08 17:46:10 thorpej 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#include <sys/cdefs.h> 33__KERNEL_RCSID(0, "$NetBSD: com_obio.c,v 1.8 2018/12/08 17:46:10 thorpej Exp $"); 34 35#include <sys/param.h> 36#include <sys/systm.h> 37#include <sys/device.h> 38#include <sys/termios.h> 39 40#include <sys/bus.h> 41 42#include <arm/xscale/beccreg.h> 43#include <arm/xscale/beccvar.h> 44 45#include <evbarm/adi_brh/brhreg.h> 46#include <evbarm/adi_brh/obiovar.h> 47 48#include <dev/ic/comreg.h> 49#include <dev/ic/comvar.h> 50 51struct com_obio_softc { 52 struct com_softc sc_com; 53 54 void *sc_ih; 55}; 56 57int com_obio_match(device_t, cfdata_t , void *); 58void com_obio_attach(device_t, device_t, void *); 59 60CFATTACH_DECL_NEW(com_obio, sizeof(struct com_obio_softc), 61 com_obio_match, com_obio_attach, NULL, NULL); 62 63int 64com_obio_match(device_t parent, cfdata_t cf, void *aux) 65{ 66 67 /* We take it on faith that the device is there. */ 68 return (1); 69} 70 71void 72com_obio_attach(device_t parent, device_t self, void *aux) 73{ 74 struct obio_attach_args *oba = aux; 75 struct com_obio_softc *osc = device_private(self); 76 struct com_softc *sc = &osc->sc_com; 77 bus_space_handle_t ioh; 78 int error; 79 80 sc->sc_dev = self; 81 sc->sc_frequency = BECC_PERIPH_CLOCK; 82 sc->sc_hwflags = COM_HW_NO_TXPRELOAD; 83 error = bus_space_map(oba->oba_st, oba->oba_addr, 8, 0, &ioh); 84 85 if (error) { 86 aprint_error(": failed to map registers: %d\n", error); 87 return; 88 } 89 com_init_regs(&sc->sc_regs, oba->oba_st, ioh, oba->oba_addr); 90 91 com_attach_subr(sc); 92 93 osc->sc_ih = becc_intr_establish(oba->oba_irq, IPL_SERIAL, 94 comintr, sc); 95 if (osc->sc_ih == NULL) 96 aprint_error_dev(self, 97 "unable to establish interrupt at irq %d\n", oba->oba_irq); 98} 99