1 /* $NetBSD: com_mainbus.c,v 1.3 2002/10/02 05:39:04 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the NetBSD 18 * Foundation, Inc. and its contributors. 19 * 4. Neither the name of The NetBSD Foundation nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/device.h> 39 40 #include <sys/termios.h> 41 #include <dev/cons.h> 42 #include <sys/conf.h> 43 44 #include <machine/bus.h> 45 #include <machine/intr.h> 46 #include <machine/autoconf.h> 47 #include <machine/mmeye.h> 48 49 #include <dev/ic/comvar.h> 50 #include <dev/ic/comreg.h> 51 52 #ifndef COMCN_SPEED 53 #define COMCN_SPEED 19200 54 #endif 55 #ifndef CONADDR 56 #define CONADDR 0xa4000000 57 #endif 58 #ifndef CONMODE 59 #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ 60 #endif 61 62 struct com_mainbus_softc { 63 struct com_softc sc_com; /* real "com" softc */ 64 }; 65 66 int com_mainbus_match(struct device *, struct cfdata *, void *); 67 void com_mainbus_attach(struct device *, struct device *, void *); 68 void comcnprobe(struct consdev *); 69 void comcninit(struct consdev *); 70 71 CFATTACH_DECL(com_mainbus, sizeof(struct com_mainbus_softc), 72 com_mainbus_match, com_mainbus_attach, NULL, NULL); 73 74 int 75 com_mainbus_match(struct device *parent, struct cfdata *match, void *aux) 76 { 77 extern struct cfdriver com_cd; 78 struct mainbus_attach_args *ma = aux; 79 80 if (strcmp(ma->ma_name, com_cd.cd_name) == 0) 81 return (1); 82 83 return (0); 84 } 85 86 void 87 com_mainbus_attach(struct device *parent, struct device *self, void *aux) 88 { 89 struct mainbus_attach_args *ma = aux; 90 struct com_mainbus_softc *sc = (void *)self; 91 struct com_softc *csc = &sc->sc_com; 92 93 csc->sc_iot = 0; 94 csc->sc_ioh = ma->ma_addr1; 95 csc->sc_iobase = 0; 96 csc->sc_frequency = COM_FREQ; 97 98 /* sanity check */ 99 if (!comprobe1(csc->sc_iot, csc->sc_ioh)) { 100 printf(": device problem. don't attach.\n"); 101 return; 102 } 103 104 com_attach_subr(csc); 105 106 mmeye_intr_establish(ma->ma_irq1, IST_LEVEL, IPL_SERIAL, comintr, sc); 107 } 108 109 void 110 comcnprobe(struct consdev *cp) 111 { 112 113 #ifdef COMCONSOLE 114 cp->cn_pri = CN_REMOTE; /* Force a serial port console */ 115 #else 116 cp->cn_pri = CN_NORMAL; 117 #endif 118 } 119 120 void 121 comcninit(cp) 122 struct consdev *cp; 123 { 124 125 comcnattach(0, CONADDR, COMCN_SPEED, COM_FREQ, CONMODE); 126 } 127