1 /* $NetBSD: com_mainbus.c,v 1.17 2008/03/27 15:21:46 tsutsui 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 1.17 2008/03/27 15:21:46 tsutsui Exp $"); 30 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/device.h> 34 #include <sys/termios.h> 35 36 #include <machine/autoconf.h> 37 #include <machine/intr.h> 38 #include <machine/bus.h> 39 40 #include <dev/ic/comreg.h> 41 #include <dev/ic/comvar.h> 42 43 #include <cobalt/cobalt/console.h> 44 #include <cobalt/dev/com_mainbusvar.h> 45 46 struct com_mainbus_softc { 47 struct com_softc sc_com; 48 void *sc_ih; 49 }; 50 51 #define COM_MAINBUS_FREQ (COM_FREQ * 10) 52 #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ 53 54 static int com_mainbus_probe(device_t, cfdata_t , void *); 55 static void com_mainbus_attach(device_t, device_t, void *); 56 57 CFATTACH_DECL_NEW(com_mainbus, sizeof(struct com_mainbus_softc), 58 com_mainbus_probe, com_mainbus_attach, NULL, NULL); 59 60 int 61 com_mainbus_probe(device_t parent, cfdata_t match, void *aux) 62 { 63 64 switch (cobalt_id) { 65 case COBALT_ID_RAQ: 66 case COBALT_ID_QUBE2: 67 case COBALT_ID_RAQ2: 68 return 1; 69 } 70 71 return 0; 72 } 73 74 void 75 com_mainbus_attach(device_t parent, device_t self, void *aux) 76 { 77 struct com_mainbus_softc *msc = device_private(self); 78 struct com_softc *sc = &msc->sc_com; 79 struct mainbus_attach_args *maa = aux; 80 bus_space_handle_t ioh; 81 82 sc->sc_dev = self; 83 if (!com_is_console(maa->ma_iot, maa->ma_addr, &ioh) && 84 bus_space_map(maa->ma_iot, maa->ma_addr, COM_NPORTS, 0, &ioh)) { 85 aprint_error(": can't map i/o space\n"); 86 return; 87 } 88 COM_INIT_REGS(sc->sc_regs, maa->ma_iot, ioh, maa->ma_addr); 89 90 sc->sc_frequency = COM_MAINBUS_FREQ; 91 92 com_attach_subr(sc); 93 94 cpu_intr_establish(maa->ma_level, IPL_SERIAL, comintr, sc); 95 96 return; 97 } 98 99 void 100 com_mainbus_cnprobe(struct consdev *cn) 101 { 102 103 cn->cn_pri = (console_present != 0 && cobalt_id != COBALT_ID_QUBE2700) 104 ? CN_NORMAL : CN_DEAD; 105 } 106 107 void 108 com_mainbus_cninit(struct consdev *cn) 109 { 110 111 comcnattach(0, COM_BASE, 115200, COM_MAINBUS_FREQ, COM_TYPE_NORMAL, 112 CONMODE); 113 } 114