1 /* $NetBSD: dec_2000_300.c,v 1.23 2025/03/09 01:06:41 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Copyright (c) 1995, 1996 Carnegie-Mellon University. 34 * All rights reserved. 35 * 36 * Author: Chris G. Demetriou 37 * 38 * Permission to use, copy, modify and distribute this software and 39 * its documentation is hereby granted, provided that both the copyright 40 * notice and this permission notice appear in all copies of the 41 * software, derivative works or modified versions, and any portions 42 * thereof, and that both notices appear in supporting documentation. 43 * 44 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 45 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 46 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 47 * 48 * Carnegie Mellon requests users of this software to return to 49 * 50 * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU 51 * School of Computer Science 52 * Carnegie Mellon University 53 * Pittsburgh PA 15213-3890 54 * 55 * any improvements or extensions that they make and grant Carnegie the 56 * rights to redistribute these changes. 57 */ 58 59 #include "opt_kgdb.h" 60 61 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 62 63 __KERNEL_RCSID(0, "$NetBSD: dec_2000_300.c,v 1.23 2025/03/09 01:06:41 thorpej Exp $"); 64 65 #include <sys/param.h> 66 #include <sys/systm.h> 67 #include <sys/device.h> 68 #include <sys/termios.h> 69 #include <sys/conf.h> 70 71 #include <machine/rpb.h> 72 #include <machine/autoconf.h> 73 #include <machine/cpuconf.h> 74 75 #include <dev/eisa/eisavar.h> 76 #include <dev/isa/isareg.h> 77 #include <dev/isa/isavar.h> 78 #include <dev/ic/i8042reg.h> 79 80 #include <dev/ic/comvar.h> 81 #include <dev/ic/comreg.h> 82 #include <dev/ic/pckbcvar.h> 83 84 #include <alpha/jensenio/jenseniovar.h> 85 86 #include <dev/scsipi/scsi_all.h> 87 #include <dev/scsipi/scsipi_all.h> 88 #include <dev/scsipi/scsiconf.h> 89 90 #include "pckbd.h" 91 92 void dec_2000_300_init(void); 93 static void dec_2000_300_cons_init(void); 94 static void dec_2000_300_device_register(device_t, void *); 95 96 #ifdef KGDB 97 #include <machine/db_machdep.h> 98 99 static const char *kgdb_devlist[] = { 100 "com", 101 NULL, 102 }; 103 #endif /* KGDB */ 104 105 void 106 dec_2000_300_init(void) 107 { 108 109 platform.family = "DECpc AXP 150 (\"Jensen\")"; 110 111 if ((platform.model = alpha_dsr_sysname()) == NULL) { 112 /* XXX Don't know the system variations, yet. */ 113 platform.model = alpha_unknown_sysname(); 114 } 115 116 platform.iobus = "jensenio"; 117 platform.cons_init = dec_2000_300_cons_init; 118 platform.device_register = dec_2000_300_device_register; 119 platform.page_physload = jensenio_page_physload; 120 } 121 122 static void 123 dec_2000_300_cons_init(void) 124 { 125 struct ctb_tt *ctb; 126 struct jensenio_config *jcp; 127 extern struct jensenio_config jensenio_configuration; 128 129 jcp = &jensenio_configuration; 130 jensenio_init(jcp); 131 132 ctb = (struct ctb_tt *)(((char *)hwrpb) + hwrpb->rpb_ctb_off); 133 134 /* 135 * The Jensen uses an older (pre-Type 4) CTB format. The 136 * console type is specified directly by ctb_type, and only 137 * minimal info is given, only for the serial console. 138 * 139 * Thankfully, the only graphics device we can have is 140 * ISA/EISA, so it really doesn't matter too much. 141 */ 142 143 switch (ctb->ctb_type) { 144 case CTB_PRINTERPORT: 145 /* serial console... */ 146 /* XXX */ 147 { 148 #if 0 149 printf("CTB CSR = 0x%08lx\n", ctb->ctb_csr); 150 printf("CTB BAUD = %lu\n", ctb->ctb_baud); 151 #endif 152 /* 153 * Delay to allow PROM putchars to complete. 154 * FIFO depth * character time, 155 * character time = (1000000 / (defaultrate / 10)) 156 */ 157 DELAY(160000000 / ctb->ctb_baud); 158 159 if (comcnattach(&jcp->jc_internal_iot, 0x3f8, 160 ctb->ctb_baud, COM_FREQ, COM_TYPE_NORMAL, 161 (TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8)) 162 panic("can't init serial console"); 163 164 break; 165 } 166 167 case CTB_GRAPHICS: 168 #if NPCKBD > 0 169 /* display console... */ 170 /* XXX */ 171 (void) pckbc_cnattach(&jcp->jc_internal_iot, IO_KBD, KBCMDP, 172 PCKBC_KBD_SLOT, 0); 173 174 isa_display_console(&jcp->jc_eisa_iot, &jcp->jc_eisa_memt); 175 #else 176 panic("not configured to use display && keyboard console"); 177 #endif 178 break; 179 180 181 default: 182 goto badconsole; 183 } 184 #ifdef KGDB 185 /* Attach the KGDB device. */ 186 alpha_kgdb_init(kgdb_devlist, &jcp->jc_internal_iot); 187 #endif /* KGDB */ 188 189 return; 190 badconsole: 191 printf("ctb->ctb_type = 0x%lx\n", ctb->ctb_type); 192 printf("ctb->ctb_csr = 0x%lx\n", ctb->ctb_csr); 193 printf("ctb->ctb_baud = %lu\n", ctb->ctb_baud); 194 195 panic("consinit: unknown console type %lu", 196 ctb->ctb_type); 197 } 198 199 static void 200 dec_2000_300_device_register(device_t dev, void *aux) 201 { 202 static device_t eisadev, isadev, scsidev; 203 struct bootdev_data *b = bootdev_data; 204 device_t parent = device_parent(dev); 205 206 if (booted_device != NULL || b == NULL) { 207 return; 208 } 209 210 if (eisadev == NULL && device_is_a(dev, "eisa")) { 211 eisadev = dev; 212 } 213 214 if (isadev == NULL && device_is_a(dev, "isa")) { 215 isadev = dev; 216 } 217 218 if (bootdev_is_disk && scsidev == NULL) { 219 if (eisadev != NULL && parent == eisadev) { 220 struct eisa_attach_args *ea = aux; 221 222 if (b->slot == ea->ea_slot) { 223 scsidev = dev; 224 #if 0 225 printf("\nscsidev = %s\n", 226 device_xname(scsidev)); 227 #endif 228 } 229 } 230 return; 231 } 232 233 if (bootdev_is_disk && 234 (device_is_a(dev, "sd") || 235 device_is_a(dev, "st") || 236 device_is_a(dev, "cd"))) { 237 struct scsipibus_attach_args *sa = aux; 238 239 if (device_parent(parent) != scsidev) 240 return; 241 242 if (b->unit / 100 != sa->sa_periph->periph_target) 243 return; 244 245 /* XXX LUN! */ 246 247 switch (b->boot_dev_type) { 248 case 0: 249 if (!device_is_a(dev, "sd") && 250 !device_is_a(dev, "cd")) 251 return; 252 break; 253 case 1: 254 if (!device_is_a(dev, "st")) 255 return; 256 break; 257 default: 258 return; 259 } 260 261 goto foundit; 262 } 263 264 if (bootdev_is_net) { 265 /* 266 * XXX WHAT ABOUT ISA NETWORK CARDS? 267 */ 268 if (eisadev != NULL && parent == eisadev) { 269 struct eisa_attach_args *ea = aux; 270 271 if (b->slot == ea->ea_slot) { 272 goto foundit; 273 } 274 } 275 } 276 277 return; 278 279 foundit: 280 booted_device = dev; 281 #if 0 282 printf("\nbooted_device = %s\n", device_xname(booted_device)); 283 #endif 284 } 285