1/* $NetBSD: dec_eb164.c,v 1.60 2011/07/01 19:22:35 dyoung 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 1.60 2011/07/01 19:22:35 dyoung 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 <sys/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 71#include "pckbd.h" 72 73#ifndef CONSPEED 74#define CONSPEED TTYDEF_SPEED 75#endif 76static int comcnrate = CONSPEED; 77 78#define DR_VERBOSE(f) while (0) 79 80void dec_eb164_init(void); 81static void dec_eb164_cons_init(void); 82static void dec_eb164_device_register(device_t, void *); 83 84#ifdef KGDB 85#include <machine/db_machdep.h> 86 87static const char *kgdb_devlist[] = { 88 "com", 89 NULL, 90}; 91#endif /* KGDB */ 92 93void 94dec_eb164_init(void) 95{ 96 97 platform.family = "EB164"; 98 99 if ((platform.model = alpha_dsr_sysname()) == NULL) { 100 /* XXX Don't know the system variations, yet. */ 101 platform.model = alpha_unknown_sysname(); 102 } 103 104 platform.iobus = "cia"; 105 platform.cons_init = dec_eb164_cons_init; 106 platform.device_register = dec_eb164_device_register; 107 108 /* 109 * EB164 systems have a 2MB secondary cache. 110 */ 111 uvmexp.ncolors = atop(2 * 1024 * 1024); 112} 113 114static void 115dec_eb164_cons_init(void) 116{ 117 struct ctb *ctb; 118 struct cia_config *ccp; 119 extern struct cia_config cia_configuration; 120 121 ccp = &cia_configuration; 122 cia_init(ccp, 0); 123 124 ctb = (struct ctb *)(((char *)hwrpb) + hwrpb->rpb_ctb_off); 125 126 switch (ctb->ctb_term_type) { 127 case CTB_PRINTERPORT: 128 /* serial console ... */ 129 /* XXX */ 130 { 131 /* 132 * Delay to allow PROM putchars to complete. 133 * FIFO depth * character time, 134 * character time = (1000000 / (defaultrate / 10)) 135 */ 136 DELAY(160000000 / comcnrate); 137 138 if(comcnattach(&ccp->cc_iot, 0x3f8, comcnrate, 139 COM_FREQ, COM_TYPE_NORMAL, 140 (TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8)) 141 panic("can't init serial console"); 142 143 break; 144 } 145 146 case CTB_GRAPHICS: 147#if NPCKBD > 0 148 /* display console ... */ 149 /* XXX */ 150 (void) pckbc_cnattach(&ccp->cc_iot, IO_KBD, KBCMDP, 151 PCKBC_KBD_SLOT); 152 153 if (CTB_TURBOSLOT_TYPE(ctb->ctb_turboslot) == 154 CTB_TURBOSLOT_TYPE_ISA) 155 isa_display_console(&ccp->cc_iot, &ccp->cc_memt); 156 else 157 pci_display_console(&ccp->cc_iot, &ccp->cc_memt, 158 &ccp->cc_pc, CTB_TURBOSLOT_BUS(ctb->ctb_turboslot), 159 CTB_TURBOSLOT_SLOT(ctb->ctb_turboslot), 0); 160#else 161 panic("not configured to use display && keyboard console"); 162#endif 163 break; 164 165 default: 166 printf("ctb->ctb_term_type = 0x%lx\n", ctb->ctb_term_type); 167 printf("ctb->ctb_turboslot = 0x%lx\n", ctb->ctb_turboslot); 168 169 panic("consinit: unknown console type %ld", 170 ctb->ctb_term_type); 171 } 172#ifdef KGDB 173 /* Attach the KGDB device. */ 174 alpha_kgdb_init(kgdb_devlist, &ccp->cc_iot); 175#endif /* KGDB */ 176} 177 178static void 179dec_eb164_device_register(device_t dev, void *aux) 180{ 181 static int found, initted, diskboot, netboot; 182 static device_t pcidev, ctrlrdev; 183 struct bootdev_data *b = bootdev_data; 184 device_t parent = device_parent(dev); 185 186 if (found) 187 return; 188 189 if (!initted) { 190 diskboot = (strcasecmp(b->protocol, "SCSI") == 0) || 191 (strcasecmp(b->protocol, "IDE") == 0); 192 netboot = (strcasecmp(b->protocol, "BOOTP") == 0) || 193 (strcasecmp(b->protocol, "MOP") == 0); 194 DR_VERBOSE(printf("diskboot = %d, netboot = %d\n", diskboot, 195 netboot)); 196 initted = 1; 197 } 198 199 if (pcidev == NULL) { 200 if (!device_is_a(dev, "pci")) 201 return; 202 else { 203 struct pcibus_attach_args *pba = aux; 204 205 if ((b->slot / 1000) != pba->pba_bus) 206 return; 207 208 pcidev = dev; 209 DR_VERBOSE(printf("\npcidev = %s\n", device_xname(dev))); 210 return; 211 } 212 } 213 214 if (ctrlrdev == NULL) { 215 if (parent != pcidev) 216 return; 217 else { 218 struct pci_attach_args *pa = aux; 219 int slot; 220 221 slot = pa->pa_bus * 1000 + pa->pa_function * 100 + 222 pa->pa_device; 223 if (b->slot != slot) 224 return; 225 226 if (netboot) { 227 booted_device = dev; 228 DR_VERBOSE(printf("\nbooted_device = %s\n", 229 device_xname(dev))); 230 found = 1; 231 } else { 232 ctrlrdev = dev; 233 DR_VERBOSE(printf("\nctrlrdev = %s\n", 234 device_xname(dev))); 235 } 236 return; 237 } 238 } 239 240 if (!diskboot) 241 return; 242 243 if (device_is_a(dev, "sd") || 244 device_is_a(dev, "st") || 245 device_is_a(dev, "cd")) { 246 struct scsipibus_attach_args *sa = aux; 247 struct scsipi_periph *periph = sa->sa_periph; 248 int unit; 249 250 if (device_parent(parent) != ctrlrdev) 251 return; 252 253 unit = periph->periph_target * 100 + periph->periph_lun; 254 if (b->unit != unit) 255 return; 256 if (b->channel != periph->periph_channel->chan_channel) 257 return; 258 259 /* we've found it! */ 260 booted_device = dev; 261 DR_VERBOSE(printf("\nbooted_device = %s\n", device_xname(dev))); 262 found = 1; 263 } 264 265 /* 266 * Support to boot from IDE drives. 267 */ 268 if (device_is_a(dev, "wd")) { 269 struct ata_device *adev = aux; 270 271 if (!device_is_a(parent, "atabus")) 272 return; 273 if (device_parent(parent) != ctrlrdev) 274 return; 275 276 DR_VERBOSE(printf("\nAtapi info: drive: %d, channel %d\n", 277 adev->adev_drv_data->drive, adev->adev_channel)); 278 DR_VERBOSE(printf("Bootdev info: unit: %d, channel: %d\n", 279 b->unit, b->channel)); 280 if (b->unit != adev->adev_drv_data->drive || 281 b->channel != adev->adev_channel) 282 return; 283 284 /* we've found it! */ 285 booted_device = dev; 286 DR_VERBOSE(printf("booted_device = %s\n", device_xname(dev))); 287 found = 1; 288 } 289} 290