1 /* $NetBSD: com_frodo.c,v 1.4 2005/12/11 12:17:13 christos 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_frodo.c,v 1.4 2005/12/11 12:17:13 christos Exp $"); 72 73 #include <sys/param.h> 74 #include <sys/systm.h> 75 #include <sys/device.h> 76 #include <sys/termios.h> 77 #include <sys/ttydefaults.h> 78 79 #include <machine/bus.h> 80 81 #include <dev/ic/comreg.h> 82 #include <dev/ic/comvar.h> 83 84 #include <hp300/dev/intiovar.h> 85 #include <hp300/dev/frodoreg.h> 86 #include <hp300/dev/frodovar.h> 87 #include <hp300/dev/com_frodovar.h> 88 89 #include "ioconf.h" 90 91 struct com_frodo_softc { 92 struct com_softc sc_com; /* real "com" softc */ 93 }; 94 95 static int com_frodo_match(struct device *, struct cfdata *, void *); 96 static void com_frodo_attach(struct device *, struct device *, void *); 97 98 CFATTACH_DECL(com_frodo, sizeof(struct com_frodo_softc), 99 com_frodo_match, com_frodo_attach, NULL, NULL); 100 101 static int com_frodo_speed = TTYDEF_SPEED; 102 static struct bus_space_tag comcntag; 103 104 #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ 105 #define COM_FRODO_FREQ 8006400 106 107 static int 108 com_frodo_match(struct device *parent, struct cfdata *match, void *aux) 109 { 110 struct frodo_attach_args *fa = aux; 111 112 if (strcmp(fa->fa_name, com_cd.cd_name) != 0) 113 return 0; 114 115 switch (fa->fa_offset) { 116 case FRODO_APCI_OFFSET(1): 117 case FRODO_APCI_OFFSET(2): 118 case FRODO_APCI_OFFSET(3): 119 return 1; 120 } 121 122 return 0; 123 } 124 125 static void 126 com_frodo_attach(struct device *parent, struct device *self, void *aux) 127 { 128 struct com_frodo_softc *fsc = (void *)self; 129 struct com_softc *sc = &fsc->sc_com; 130 struct frodo_attach_args *fa = aux; 131 bus_space_tag_t iot; 132 bus_space_handle_t ioh; 133 int isconsole; 134 135 isconsole = com_is_console(&comcntag, fa->fa_base + fa->fa_offset, 136 &ioh); 137 138 if (isconsole) 139 iot = &comcntag; 140 else 141 iot = fa->fa_bst; 142 143 if (!isconsole && 144 bus_space_map(iot, fa->fa_base + fa->fa_offset, COM_NPORTS << 2, 145 0, &ioh)) { 146 printf(": can't map i/o space\n"); 147 return; 148 } 149 150 sc->sc_iot = iot; 151 sc->sc_ioh = ioh; 152 sc->sc_iobase = fa->fa_base + fa->fa_offset; 153 sc->sc_frequency = COM_FRODO_FREQ; 154 SET(sc->sc_hwflags, COM_HW_NOIEN); 155 156 com_attach_subr(sc); 157 158 frodo_intr_establish(parent, comintr, sc, fa->fa_line, 159 ((sc->sc_hwflags & COM_HW_FIFO) != 0) ? IPL_TTY : IPL_TTYNOBUF); 160 } 161 162 int 163 com_frodo_cnattach(bus_space_tag_t bst, bus_addr_t addr, int scode) 164 { 165 bus_space_tag_t iot = &comcntag; 166 bus_space_handle_t ioh; 167 168 if (machineid != HP_425 || mmuid != MMUID_425_E) 169 return 1; 170 171 frodo_init_bus_space(iot); 172 173 if (bus_space_map(iot, addr, INTIO_DEVSIZE, BUS_SPACE_MAP_LINEAR, &ioh)) 174 return 1; 175 176 comcnattach(iot, addr, com_frodo_speed, COM_FRODO_FREQ, 177 COM_TYPE_NORMAL, CONMODE); 178 179 return 0; 180 } 181