1 /* $NetBSD: com_mainbus.c,v 1.5 2003/07/15 02:43:44 lukem 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/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: com_mainbus.c,v 1.5 2003/07/15 02:43:44 lukem Exp $"); 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/device.h> 42 43 #include <sys/termios.h> 44 #include <dev/cons.h> 45 #include <sys/conf.h> 46 47 #include <machine/bus.h> 48 #include <machine/intr.h> 49 #include <machine/autoconf.h> 50 #include <machine/mmeye.h> 51 52 #include <dev/ic/comvar.h> 53 #include <dev/ic/comreg.h> 54 55 #ifndef COMCN_SPEED 56 #define COMCN_SPEED 19200 57 #endif 58 #ifndef CONADDR 59 #define CONADDR 0xa4000000 60 #endif 61 #ifndef CONMODE 62 #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ 63 #endif 64 65 struct com_mainbus_softc { 66 struct com_softc sc_com; /* real "com" softc */ 67 }; 68 69 int com_mainbus_match(struct device *, struct cfdata *, void *); 70 void com_mainbus_attach(struct device *, struct device *, void *); 71 void comcnprobe(struct consdev *); 72 void comcninit(struct consdev *); 73 74 CFATTACH_DECL(com_mainbus, sizeof(struct com_mainbus_softc), 75 com_mainbus_match, com_mainbus_attach, NULL, NULL); 76 77 int 78 com_mainbus_match(struct device *parent, struct cfdata *match, void *aux) 79 { 80 extern struct cfdriver com_cd; 81 struct mainbus_attach_args *ma = aux; 82 83 if (strcmp(ma->ma_name, com_cd.cd_name) == 0) 84 return (1); 85 86 return (0); 87 } 88 89 void 90 com_mainbus_attach(struct device *parent, struct device *self, void *aux) 91 { 92 struct mainbus_attach_args *ma = aux; 93 struct com_mainbus_softc *sc = (void *)self; 94 struct com_softc *csc = &sc->sc_com; 95 96 csc->sc_iot = 0; 97 csc->sc_ioh = ma->ma_addr1; 98 csc->sc_iobase = 0; 99 csc->sc_frequency = COM_FREQ; 100 101 /* sanity check */ 102 if (!comprobe1(csc->sc_iot, csc->sc_ioh)) { 103 printf(": device problem. don't attach.\n"); 104 return; 105 } 106 107 com_attach_subr(csc); 108 109 mmeye_intr_establish(ma->ma_irq1, IST_LEVEL, IPL_SERIAL, comintr, sc); 110 } 111 112 void 113 comcnprobe(struct consdev *cp) 114 { 115 116 #ifdef COMCONSOLE 117 cp->cn_pri = CN_REMOTE; /* Force a serial port console */ 118 #else 119 cp->cn_pri = CN_NORMAL; 120 #endif 121 } 122 123 void 124 comcninit(cp) 125 struct consdev *cp; 126 { 127 128 comcnattach(0, CONADDR, COMCN_SPEED, COM_FREQ, COM_TYPE_NORMAL, 129 CONMODE); 130 } 131