1 /* $NetBSD: dec_eb66.c,v 1.15 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_eb66.c,v 1.15 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/lcareg.h> 64 #include <alpha/pci/lcavar.h> 65 66 #include <dev/scsipi/scsi_all.h> 67 #include <dev/scsipi/scsipi_all.h> 68 #include <dev/scsipi/scsiconf.h> 69 70 #include "pckbd.h" 71 72 #ifndef CONSPEED 73 #define CONSPEED TTYDEF_SPEED 74 #endif 75 static int comcnrate = CONSPEED; 76 77 void dec_eb66_init __P((void)); 78 static void dec_eb66_cons_init __P((void)); 79 static void dec_eb66_device_register __P((struct device *, void *)); 80 81 #ifdef KGDB 82 #include <machine/db_machdep.h> 83 84 static const char *kgdb_devlist[] = { 85 "com", 86 NULL, 87 }; 88 #endif /* KGDB */ 89 90 const struct alpha_variation_table dec_eb66_variations[] = { 91 { 0, "DEC EB66" }, 92 { 0, NULL }, 93 }; 94 95 void 96 dec_eb66_init() 97 { 98 u_int64_t variation; 99 100 platform.family = "EB66"; 101 102 if ((platform.model = alpha_dsr_sysname()) == NULL) { 103 variation = hwrpb->rpb_variation & SV_ST_MASK; 104 if ((platform.model = alpha_variation_name(variation, 105 dec_eb66_variations)) == NULL) 106 platform.model = alpha_unknown_sysname(); 107 } 108 109 platform.iobus = "lca"; 110 platform.cons_init = dec_eb66_cons_init; 111 platform.device_register = dec_eb66_device_register; 112 113 /* 114 * EB66 systems have 1M secondary caches. 115 */ 116 uvmexp.ncolors = atop(1 * 1024 * 1024); 117 } 118 119 static void 120 dec_eb66_cons_init() 121 { 122 struct ctb *ctb; 123 struct lca_config *lcp; 124 extern struct lca_config lca_configuration; 125 126 lcp = &lca_configuration; 127 lca_init(lcp, 0); 128 129 ctb = (struct ctb *)(((caddr_t)hwrpb) + hwrpb->rpb_ctb_off); 130 131 switch (ctb->ctb_term_type) { 132 case CTB_PRINTERPORT: 133 /* serial console ... */ 134 /* XXX */ 135 { 136 /* 137 * Delay to allow PROM putchars to complete. 138 * FIFO depth * character time, 139 * character time = (1000000 / (defaultrate / 10)) 140 */ 141 DELAY(160000000 / comcnrate); 142 143 if(comcnattach(&lcp->lc_iot, 0x3f8, comcnrate, 144 COM_FREQ, 145 (TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8)) 146 panic("can't init serial console"); 147 148 break; 149 } 150 151 case CTB_GRAPHICS: 152 #if NPCKBD > 0 153 /* display console ... */ 154 /* XXX */ 155 (void) pckbc_cnattach(&lcp->lc_iot, IO_KBD, KBCMDP, 156 PCKBC_KBD_SLOT); 157 158 if (CTB_TURBOSLOT_TYPE(ctb->ctb_turboslot) == 159 CTB_TURBOSLOT_TYPE_ISA) 160 isa_display_console(&lcp->lc_iot, &lcp->lc_memt); 161 else 162 pci_display_console(&lcp->lc_iot, &lcp->lc_memt, 163 &lcp->lc_pc, CTB_TURBOSLOT_BUS(ctb->ctb_turboslot), 164 CTB_TURBOSLOT_SLOT(ctb->ctb_turboslot), 0); 165 #else 166 panic("not configured to use display && keyboard console"); 167 #endif 168 break; 169 170 default: 171 printf("ctb->ctb_term_type = 0x%lx\n", ctb->ctb_term_type); 172 printf("ctb->ctb_turboslot = 0x%lx\n", ctb->ctb_turboslot); 173 174 panic("consinit: unknown console type %ld", 175 ctb->ctb_term_type); 176 } 177 #ifdef KGDB 178 /* Attach the KGDB device. */ 179 alpha_kgdb_init(kgdb_devlist, &lcp->lc_iot); 180 #endif /* KGDB */ 181 } 182 183 static void 184 dec_eb66_device_register(dev, aux) 185 struct device *dev; 186 void *aux; 187 { 188 static int found, initted, scsiboot, netboot; 189 static struct device *pcidev, *scsidev; 190 struct bootdev_data *b = bootdev_data; 191 struct device *parent = dev->dv_parent; 192 struct cfdata *cf = dev->dv_cfdata; 193 const char *name = cf->cf_name; 194 195 if (found) 196 return; 197 198 if (!initted) { 199 scsiboot = (strcmp(b->protocol, "SCSI") == 0); 200 netboot = (strcmp(b->protocol, "BOOTP") == 0) || 201 (strcmp(b->protocol, "MOP") == 0); 202 #if 0 203 printf("scsiboot = %d, netboot = %d\n", scsiboot, netboot); 204 #endif 205 initted =1; 206 } 207 208 if (pcidev == NULL) { 209 if (strcmp(name, "pci")) 210 return; 211 else { 212 struct pcibus_attach_args *pba = aux; 213 214 if ((b->slot / 1000) != pba->pba_bus) 215 return; 216 217 pcidev = dev; 218 #if 0 219 printf("\npcidev = %s\n", pcidev->dv_xname); 220 #endif 221 return; 222 } 223 } 224 225 if (scsiboot && (scsidev == NULL)) { 226 if (parent != pcidev) 227 return; 228 else { 229 struct pci_attach_args *pa = aux; 230 231 if ((b->slot % 1000) != pa->pa_device) 232 return; 233 234 /* XXX function? */ 235 236 scsidev = dev; 237 #if 0 238 printf("\nscsidev = %s\n", scsidev->dv_xname); 239 #endif 240 return; 241 } 242 } 243 244 if (scsiboot && 245 (!strcmp(name, "sd") || 246 !strcmp(name, "st") || 247 !strcmp(name, "cd"))) { 248 struct scsipibus_attach_args *sa = aux; 249 250 if (parent->dv_parent != scsidev) 251 return; 252 253 if (b->unit / 100 != sa->sa_periph->periph_target) 254 return; 255 256 /* XXX LUN! */ 257 258 switch (b->boot_dev_type) { 259 case 0: 260 if (strcmp(name, "sd") && 261 strcmp(name, "cd")) 262 return; 263 break; 264 case 1: 265 if (strcmp(name, "st")) 266 return; 267 break; 268 default: 269 return; 270 } 271 272 /* we've found it! */ 273 booted_device = dev; 274 #if 0 275 printf("\nbooted_device = %s\n", booted_device->dv_xname); 276 #endif 277 found = 1; 278 } 279 280 if (netboot) { 281 if (parent != pcidev) 282 return; 283 else { 284 struct pci_attach_args *pa = aux; 285 286 if ((b->slot % 1000) != pa->pa_device) 287 return; 288 289 /* XXX function? */ 290 291 booted_device = dev; 292 #if 0 293 printf("\nbooted_device = %s\n", booted_device->dv_xname); 294 #endif 295 found = 1; 296 return; 297 } 298 } 299 } 300