1 /* $NetBSD: dec_eb164.c,v 1.46 2002/09/27 15:35:35 provos Exp $ */ 2 3 /* 4 * Copyright (c) 1995, 1996, 1997 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Chris G. Demetriou 8 * 9 * Permission to use, copy, modify and distribute this software and 10 * its documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie the 27 * rights to redistribute these changes. 28 */ 29 /* 30 * Additional Copyright (c) 1997 by Matthew Jacob for NASA/Ames Research Center 31 */ 32 33 #include "opt_kgdb.h" 34 35 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 36 37 __KERNEL_RCSID(0, "$NetBSD: dec_eb164.c,v 1.46 2002/09/27 15:35:35 provos Exp $"); 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/device.h> 42 #include <sys/termios.h> 43 #include <sys/conf.h> 44 #include <dev/cons.h> 45 46 #include <uvm/uvm_extern.h> 47 48 #include <machine/rpb.h> 49 #include <machine/autoconf.h> 50 #include <machine/cpuconf.h> 51 #include <machine/bus.h> 52 53 #include <dev/ic/comreg.h> 54 #include <dev/ic/comvar.h> 55 56 #include <dev/isa/isareg.h> 57 #include <dev/isa/isavar.h> 58 #include <dev/ic/i8042reg.h> 59 #include <dev/ic/pckbcvar.h> 60 #include <dev/pci/pcireg.h> 61 #include <dev/pci/pcivar.h> 62 63 #include <alpha/pci/ciareg.h> 64 #include <alpha/pci/ciavar.h> 65 66 #include <dev/scsipi/scsi_all.h> 67 #include <dev/scsipi/scsipi_all.h> 68 #include <dev/scsipi/scsiconf.h> 69 #include <dev/ata/atavar.h> 70 #include <dev/ata/wdvar.h> 71 72 #include "pckbd.h" 73 74 #ifndef CONSPEED 75 #define CONSPEED TTYDEF_SPEED 76 #endif 77 static int comcnrate = CONSPEED; 78 79 #define DR_VERBOSE(f) while (0) 80 81 void dec_eb164_init __P((void)); 82 static void dec_eb164_cons_init __P((void)); 83 static void dec_eb164_device_register __P((struct device *, void *)); 84 85 #ifdef KGDB 86 #include <machine/db_machdep.h> 87 88 static const char *kgdb_devlist[] = { 89 "com", 90 NULL, 91 }; 92 #endif /* KGDB */ 93 94 void 95 dec_eb164_init() 96 { 97 98 platform.family = "EB164"; 99 100 if ((platform.model = alpha_dsr_sysname()) == NULL) { 101 /* XXX Don't know the system variations, yet. */ 102 platform.model = alpha_unknown_sysname(); 103 } 104 105 platform.iobus = "cia"; 106 platform.cons_init = dec_eb164_cons_init; 107 platform.device_register = dec_eb164_device_register; 108 109 /* 110 * EB164 systems have a 2MB secondary cache. 111 */ 112 uvmexp.ncolors = atop(2 * 1024 * 1024); 113 } 114 115 static void 116 dec_eb164_cons_init() 117 { 118 struct ctb *ctb; 119 struct cia_config *ccp; 120 extern struct cia_config cia_configuration; 121 122 ccp = &cia_configuration; 123 cia_init(ccp, 0); 124 125 ctb = (struct ctb *)(((caddr_t)hwrpb) + hwrpb->rpb_ctb_off); 126 127 switch (ctb->ctb_term_type) { 128 case CTB_PRINTERPORT: 129 /* serial console ... */ 130 /* XXX */ 131 { 132 /* 133 * Delay to allow PROM putchars to complete. 134 * FIFO depth * character time, 135 * character time = (1000000 / (defaultrate / 10)) 136 */ 137 DELAY(160000000 / comcnrate); 138 139 if(comcnattach(&ccp->cc_iot, 0x3f8, comcnrate, 140 COM_FREQ, 141 (TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8)) 142 panic("can't init serial console"); 143 144 break; 145 } 146 147 case CTB_GRAPHICS: 148 #if NPCKBD > 0 149 /* display console ... */ 150 /* XXX */ 151 (void) pckbc_cnattach(&ccp->cc_iot, IO_KBD, KBCMDP, 152 PCKBC_KBD_SLOT); 153 154 if (CTB_TURBOSLOT_TYPE(ctb->ctb_turboslot) == 155 CTB_TURBOSLOT_TYPE_ISA) 156 isa_display_console(&ccp->cc_iot, &ccp->cc_memt); 157 else 158 pci_display_console(&ccp->cc_iot, &ccp->cc_memt, 159 &ccp->cc_pc, CTB_TURBOSLOT_BUS(ctb->ctb_turboslot), 160 CTB_TURBOSLOT_SLOT(ctb->ctb_turboslot), 0); 161 #else 162 panic("not configured to use display && keyboard console"); 163 #endif 164 break; 165 166 default: 167 printf("ctb->ctb_term_type = 0x%lx\n", ctb->ctb_term_type); 168 printf("ctb->ctb_turboslot = 0x%lx\n", ctb->ctb_turboslot); 169 170 panic("consinit: unknown console type %ld", 171 ctb->ctb_term_type); 172 } 173 #ifdef KGDB 174 /* Attach the KGDB device. */ 175 alpha_kgdb_init(kgdb_devlist, &ccp->cc_iot); 176 #endif /* KGDB */ 177 } 178 179 static void 180 dec_eb164_device_register(dev, aux) 181 struct device *dev; 182 void *aux; 183 { 184 static int found, initted, scsiboot, ideboot, netboot; 185 static struct device *pcidev, *scsipidev; 186 struct bootdev_data *b = bootdev_data; 187 struct device *parent = dev->dv_parent; 188 struct cfdata *cf = dev->dv_cfdata; 189 const char *name = cf->cf_name; 190 191 if (found) 192 return; 193 194 if (!initted) { 195 scsiboot = (strcmp(b->protocol, "SCSI") == 0); 196 netboot = (strcmp(b->protocol, "BOOTP") == 0) || 197 (strcmp(b->protocol, "MOP") == 0); 198 /* 199 * Add an extra check to boot from ide drives: 200 * Newer SRM firmware use the protocol identifier IDE, 201 * older SRM firmware use the protocol identifier SCSI. 202 */ 203 ideboot = (strcmp(b->protocol, "IDE") == 0); 204 DR_VERBOSE(printf("scsiboot = %d, ideboot = %d, netboot = %d\n", 205 scsiboot, ideboot, netboot)); 206 initted = 1; 207 } 208 209 if (pcidev == NULL) { 210 if (strcmp(name, "pci")) 211 return; 212 else { 213 struct pcibus_attach_args *pba = aux; 214 215 if ((b->slot / 1000) != pba->pba_bus) 216 return; 217 218 pcidev = dev; 219 DR_VERBOSE(printf("\npcidev = %s\n", 220 pcidev->dv_xname)); 221 return; 222 } 223 } 224 225 if ((ideboot || scsiboot) && (scsipidev == NULL)) { 226 if (parent != pcidev) 227 return; 228 else { 229 struct pci_attach_args *pa = aux; 230 231 if (b->slot % 1000 / 100 != pa->pa_function) 232 return; 233 if (b->slot % 100 != pa->pa_device) 234 return; 235 236 scsipidev = dev; 237 DR_VERBOSE(printf("\nscsipidev = %s\n", 238 scsipidev->dv_xname)); 239 return; 240 } 241 } 242 243 if ((ideboot || scsiboot) && 244 (!strcmp(name, "sd") || 245 !strcmp(name, "st") || 246 !strcmp(name, "cd"))) { 247 struct scsipibus_attach_args *sa = aux; 248 249 if (parent->dv_parent != scsipidev) 250 return; 251 252 if ((sa->sa_periph->periph_channel->chan_bustype->bustype_type 253 == SCSIPI_BUSTYPE_SCSI || 254 sa->sa_periph->periph_channel->chan_bustype->bustype_type 255 == SCSIPI_BUSTYPE_ATAPI) 256 && b->unit / 100 != sa->sa_periph->periph_target) 257 return; 258 259 /* XXX LUN! */ 260 261 switch (b->boot_dev_type) { 262 case 0: 263 if (strcmp(name, "sd") && 264 strcmp(name, "cd")) 265 return; 266 break; 267 case 1: 268 if (strcmp(name, "st")) 269 return; 270 break; 271 default: 272 return; 273 } 274 275 /* we've found it! */ 276 booted_device = dev; 277 DR_VERBOSE(printf("\nbooted_device = %s\n", 278 booted_device->dv_xname)); 279 found = 1; 280 } 281 282 /* 283 * Support to boot from IDE drives. 284 */ 285 if ((ideboot || scsiboot) && !strcmp(name, "wd")) { 286 struct ata_device *adev = aux; 287 if ((strncmp("pciide", parent->dv_xname, 6) != 0)) { 288 return; 289 } else { 290 if (parent != scsipidev) 291 return; 292 } 293 DR_VERBOSE(printf("\nAtapi info: drive: %d, channel %d\n", 294 adev->adev_drv_data->drive, adev->adev_channel)); 295 DR_VERBOSE(printf("Bootdev info: unit: %d, channel: %d\n", 296 b->unit, b->channel)); 297 if (b->unit != adev->adev_drv_data->drive || 298 b->channel != adev->adev_channel) 299 return; 300 301 /* we've found it! */ 302 booted_device = dev; 303 DR_VERBOSE(printf("booted_device = %s\n", 304 booted_device->dv_xname)); 305 found = 1; 306 } 307 308 if (netboot) { 309 if (parent != pcidev) 310 return; 311 else { 312 struct pci_attach_args *pa = aux; 313 314 if ((b->slot % 1000) != pa->pa_device) 315 return; 316 317 /* XXX function? */ 318 319 booted_device = dev; 320 DR_VERBOSE(printf("\nbooted_device = %s\n", 321 booted_device->dv_xname)); 322 found = 1; 323 return; 324 } 325 } 326 } 327