1 /* $NetBSD: com_mainbus.c,v 1.8 2003/10/17 18:20:10 cdi Exp $ */ 2 3 /* 4 * Copyright (c) 2000 Soren S. Jorvang. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 __KERNEL_RCSID(0, "$NetBSD: com_mainbus.c,v 1.8 2003/10/17 18:20:10 cdi Exp $"); 30 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/ioctl.h> 34 #include <sys/select.h> 35 #include <sys/tty.h> 36 #include <sys/proc.h> 37 #include <sys/user.h> 38 #include <sys/conf.h> 39 #include <sys/file.h> 40 #include <sys/uio.h> 41 #include <sys/kernel.h> 42 #include <sys/syslog.h> 43 #include <sys/types.h> 44 #include <sys/device.h> 45 46 #include <machine/autoconf.h> 47 #include <machine/intr.h> 48 #include <machine/bus.h> 49 #include <machine/nvram.h> 50 51 #include <dev/ic/comreg.h> 52 #include <dev/ic/comvar.h> 53 54 55 extern int console_present; 56 57 struct com_mainbus_softc { 58 struct com_softc sc_com; 59 void *sc_ih; 60 }; 61 62 static int com_mainbus_probe(struct device *, struct cfdata *, void *); 63 static void com_mainbus_attach(struct device *, struct device *, void *); 64 65 CFATTACH_DECL(com_mainbus, sizeof(struct com_mainbus_softc), 66 com_mainbus_probe, com_mainbus_attach, NULL, NULL); 67 68 int 69 com_mainbus_probe(parent, match, aux) 70 struct device *parent; 71 struct cfdata *match; 72 void *aux; 73 { 74 75 return (console_present != 0); 76 } 77 78 struct com_softc *com0; /* XXX */ 79 80 void 81 com_mainbus_attach(parent, self, aux) 82 struct device *parent; 83 struct device *self; 84 void *aux; 85 { 86 struct com_mainbus_softc *msc = (void *)self; 87 struct com_softc *sc = &msc->sc_com; 88 struct mainbus_attach_args *maa = aux; 89 90 sc->sc_ioh = maa->ma_ioh; 91 sc->sc_iot = maa->ma_iot; 92 sc->sc_iobase = maa->ma_addr; 93 94 sc->sc_frequency = COM_FREQ * 10; 95 96 /* XXX console check */ 97 /* XXX map */ 98 99 com_attach_subr(sc); 100 101 cpu_intr_establish(maa->ma_level, IPL_SERIAL, comintr, sc); 102 103 return; 104 } 105