1 /* $NetBSD: consinit.c,v 1.10 2021/03/30 05:18:37 rin Exp $ */ 2 3 /* 4 * Copyright (c) 1998 5 * Matthias Drochner. 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: consinit.c,v 1.10 2021/03/30 05:18:37 rin Exp $"); 31 32 #include "opt_kgdb.h" 33 34 #include <sys/param.h> 35 #include <sys/bus.h> 36 #include <sys/device.h> 37 #include <sys/systm.h> 38 39 #include <powerpc/ibm4xx/ibm405gp.h> 40 41 #include "com.h" 42 #if (NCOM > 0) 43 #include <sys/termios.h> 44 #include <dev/ic/comreg.h> 45 #include <dev/ic/comvar.h> 46 #include <powerpc/ibm4xx/dev/comopbvar.h> 47 #endif 48 49 #if (NCOM > 0) 50 #ifndef CONADDR 51 #define CONADDR IBM405GP_UART0_BASE 52 #endif 53 #ifndef CONSPEED 54 #define CONSPEED B9600 /* */ 55 // #define CONSPEED B115200 /* 9600 is too slow for my taste */ 56 #endif 57 #ifndef CONMODE 58 #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ 59 #endif 60 int comcnmode = CONMODE; 61 #endif /* NCOM */ 62 63 #ifdef KGDB 64 #ifndef KGDB_DEVNAME 65 #define KGDB_DEVNAME "com" 66 #endif 67 char kgdb_devname[] = KGDB_DEVNAME; 68 69 #if (NCOM > 1) 70 #ifndef KGDB_DEVADDR 71 #define KGDB_DEVADDR UART1_BASE 72 #endif 73 int comkgdbaddr = KGDB_DEVADDR; 74 75 #ifndef KGDB_DEVRATE 76 #define KGDB_DEVRATE CONSPEED 77 #endif 78 int comkgdbrate = KGDB_DEVRATE; 79 80 #ifndef KGDB_DEVMODE 81 #define KGDB_DEVMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ 82 #endif 83 int comkgdbmode = KGDB_DEVMODE; 84 85 #endif /* NCOM */ 86 87 #endif /* KGDB */ 88 89 void 90 consinit(void) 91 { 92 93 com_opb_cnattach(COM_FREQ * 6, CONADDR, CONSPEED, comcnmode); 94 } 95 96 #ifdef KGDB 97 void 98 kgdb_port_init(void) 99 { 100 #if (NCOM > 0) 101 if(!strcmp(kgdb_devname, "com")) { 102 bus_space_tag_t tag = opb_get_bus_space_tag(); 103 com_kgdb_attach(tag, comkgdbaddr, comkgdbrate, COM_FREQ * 6, 104 COM_TYPE_NORMAL, comkgdbmode); 105 } 106 #endif 107 } 108 #endif 109