1 /* $NetBSD: com_mainbus.c,v 1.22 2018/12/08 17:46:10 thorpej 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 1.22 2018/12/08 17:46:10 thorpej Exp $"); 30 31 #include <sys/param.h> 32 #include <sys/bus.h> 33 #include <sys/cpu.h> 34 #include <sys/device.h> 35 #include <sys/intr.h> 36 #include <sys/systm.h> 37 #include <sys/termios.h> 38 39 #include <machine/autoconf.h> 40 41 #include <dev/ic/comreg.h> 42 #include <dev/ic/comvar.h> 43 44 #include <cobalt/cobalt/console.h> 45 #include <cobalt/dev/com_mainbusvar.h> 46 47 struct com_mainbus_softc { 48 struct com_softc sc_com; 49 void *sc_ih; 50 }; 51 52 #define COM_MAINBUS_FREQ (COM_FREQ * 10) 53 #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ 54 55 static int com_mainbus_probe(device_t, cfdata_t , void *); 56 static void com_mainbus_attach(device_t, device_t, void *); 57 58 CFATTACH_DECL_NEW(com_mainbus, sizeof(struct com_mainbus_softc), 59 com_mainbus_probe, com_mainbus_attach, NULL, NULL); 60 61 int 62 com_mainbus_probe(device_t parent, cfdata_t match, void *aux) 63 { 64 65 switch (cobalt_id) { 66 case COBALT_ID_RAQ: 67 case COBALT_ID_QUBE2: 68 case COBALT_ID_RAQ2: 69 return 1; 70 } 71 72 return 0; 73 } 74 75 void 76 com_mainbus_attach(device_t parent, device_t self, void *aux) 77 { 78 struct com_mainbus_softc *msc = device_private(self); 79 struct com_softc *sc = &msc->sc_com; 80 struct mainbus_attach_args *maa = aux; 81 bus_space_handle_t ioh; 82 83 sc->sc_dev = self; 84 if (!com_is_console(maa->ma_iot, maa->ma_addr, &ioh) && 85 bus_space_map(maa->ma_iot, maa->ma_addr, COM_NPORTS, 0, &ioh)) { 86 aprint_error(": can't map i/o space\n"); 87 return; 88 } 89 com_init_regs(&sc->sc_regs, maa->ma_iot, ioh, maa->ma_addr); 90 91 sc->sc_frequency = COM_MAINBUS_FREQ; 92 93 com_attach_subr(sc); 94 95 cpu_intr_establish(maa->ma_level, IPL_SERIAL, comintr, sc); 96 97 return; 98 } 99 100 void 101 com_mainbus_cnprobe(struct consdev *cn) 102 { 103 104 cn->cn_pri = (console_present != 0 && cobalt_id != COBALT_ID_QUBE2700) 105 ? CN_NORMAL : CN_DEAD; 106 } 107 108 extern struct mips_bus_space cobalt_bs; 109 110 void 111 com_mainbus_cninit(struct consdev *cn) 112 { 113 114 comcnattach(&cobalt_bs, COM_BASE, 115200, COM_MAINBUS_FREQ, COM_TYPE_NORMAL, 115 CONMODE); 116 } 117