com_obio.c revision 1.4
1 /* $NetBSD: com_obio.c,v 1.4 2003/08/07 16:27:23 agc Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 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 /*- 40 * Copyright (c) 1991 The Regents of the University of California. 41 * All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. Neither the name of the University nor the names of its contributors 52 * may be used to endorse or promote products derived from this software 53 * without specific prior written permission. 54 * 55 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 56 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 57 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 58 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 59 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 60 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 61 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 62 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 63 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 64 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 65 * SUCH DAMAGE. 66 * 67 * @(#)com.c 7.5 (Berkeley) 5/16/91 68 */ 69 70 #include <sys/cdefs.h> 71 __KERNEL_RCSID(0, "$NetBSD: com_obio.c,v 1.4 2003/08/07 16:27:23 agc Exp $"); 72 73 #include <sys/param.h> 74 #include <sys/systm.h> 75 #include <sys/ioctl.h> 76 #include <sys/select.h> 77 #include <sys/tty.h> 78 #include <sys/proc.h> 79 #include <sys/user.h> 80 #include <sys/conf.h> 81 #include <sys/file.h> 82 #include <sys/uio.h> 83 #include <sys/kernel.h> 84 #include <sys/syslog.h> 85 #include <sys/types.h> 86 #include <sys/device.h> 87 #include <sys/termios.h> 88 89 #include <machine/bus.h> 90 #include <machine/intr.h> 91 92 #include <dev/ic/comreg.h> 93 #include <dev/ic/comvar.h> 94 95 #include <dev/marvell/gtvar.h> 96 97 struct com_obio_softc { 98 struct com_softc osc_com; /* real "com" softc */ 99 100 /* OBIO-specific goo. */ 101 }; 102 103 static int com_obio_match (struct device *, struct cfdata *, void *); 104 static void com_obio_attach (struct device *, struct device *, void *); 105 106 CFATTACH_DECL(com_obio, sizeof(struct com_obio_softc), 107 com_obio_match, com_obio_attach, NULL, NULL); 108 109 int 110 com_obio_match(struct device *parent, struct cfdata *cf, void *aux) 111 { 112 struct obio_attach_args *oa = aux; 113 bus_space_handle_t ioh; 114 int rv = 0; 115 116 if (oa->oa_offset == OBIO_UNK_OFFSET || 117 oa->oa_size == OBIO_UNK_SIZE) 118 return (0); 119 120 if (com_is_console(oa->oa_memt, oa->oa_offset, NULL)) { 121 rv = 1; 122 } else { 123 if (bus_space_map(oa->oa_memt, oa->oa_offset, 124 oa->oa_size, 0, &ioh)) 125 return (0); 126 rv = comprobe1(oa->oa_memt, ioh); 127 bus_space_unmap(oa->oa_memt, ioh, oa->oa_size); 128 } 129 130 return (rv); 131 } 132 133 void 134 com_obio_attach(struct device *parent, struct device *self, void *aux) 135 { 136 struct com_obio_softc *osc = (void *)self; 137 struct com_softc *sc = &osc->osc_com; 138 struct obio_attach_args *oa = aux; 139 140 sc->sc_iot = oa->oa_memt; 141 sc->sc_iobase = oa->oa_offset; 142 sc->sc_frequency = COM_FREQ*2; 143 144 if (!com_is_console(sc->sc_iot, sc->sc_iobase, &sc->sc_ioh) && 145 bus_space_map(sc->sc_iot, sc->sc_iobase, oa->oa_size, 146 0, &sc->sc_ioh) != 0) { 147 printf(": can't map registers\n"); 148 return; 149 } 150 151 com_attach_subr(sc); 152 153 if (oa->oa_irq >= 0) { 154 intr_establish(oa->oa_irq, IST_EDGE, IPL_SERIAL, comintr, sc); 155 printf("%s: interrupting at %s\n", 156 sc->sc_dev.dv_xname, intr_string(oa->oa_irq)); 157 } 158 } 159
Indexes created Tue Sep 30 17:09:57 GMT 2025