1/* $NetBSD: dec_eb66.c,v 1.26 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_eb66.c,v 1.26 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/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 75static int comcnrate = CONSPEED; 76 77void dec_eb66_init(void); 78static void dec_eb66_cons_init(void); 79static void dec_eb66_device_register(device_t, void *); 80 81#ifdef KGDB 82#include <machine/db_machdep.h> 83 84static const char *kgdb_devlist[] = { 85 "com", 86 NULL, 87}; 88#endif /* KGDB */ 89 90const struct alpha_variation_table dec_eb66_variations[] = { 91 { 0, "DEC EB66" }, 92 { 0, NULL }, 93}; 94 95void 96dec_eb66_init(void) 97{ 98 uint64_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 119static void 120dec_eb66_cons_init(void) 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 *)(((char *)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, COM_TYPE_NORMAL, 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 183static void 184dec_eb66_device_register(device_t dev, void *aux) 185{ 186 static int found, initted, diskboot, netboot; 187 static device_t pcidev, ctrlrdev; 188 struct bootdev_data *b = bootdev_data; 189 device_t parent = device_parent(dev); 190 191 if (found) 192 return; 193 194 if (!initted) { 195 diskboot = (strcasecmp(b->protocol, "SCSI") == 0); 196 netboot = (strcasecmp(b->protocol, "BOOTP") == 0) || 197 (strcasecmp(b->protocol, "MOP") == 0); 198#if 0 199 printf("diskboot = %d, netboot = %d\n", diskboot, netboot); 200#endif 201 initted =1; 202 } 203 204 if (pcidev == NULL) { 205 if (!device_is_a(dev, "pci")) 206 return; 207 else { 208 struct pcibus_attach_args *pba = aux; 209 210 if ((b->slot / 1000) != pba->pba_bus) 211 return; 212 213 pcidev = dev; 214#if 0 215 printf("\npcidev = %s\n", device_xname(dev)); 216#endif 217 return; 218 } 219 } 220 221 if (ctrlrdev == NULL) { 222 if (parent != pcidev) 223 return; 224 else { 225 struct pci_attach_args *pa = aux; 226 int slot; 227 228 slot = pa->pa_bus * 1000 + pa->pa_function * 100 + 229 pa->pa_device; 230 if (b->slot != slot) 231 return; 232 233 if (netboot) { 234 booted_device = dev; 235#if 0 236 printf("\nbooted_device = %s\n", device_xname(dev)); 237#endif 238 found = 1; 239 } else { 240 ctrlrdev = dev; 241#if 0 242 printf("\nctrlrdev = %s\n", device_xname(dev)); 243#endif 244 } 245 return; 246 } 247 } 248 249 if (!diskboot) 250 return; 251 252 if (device_is_a(dev, "sd") || 253 device_is_a(dev, "st") || 254 device_is_a(dev, "cd")) { 255 struct scsipibus_attach_args *sa = aux; 256 struct scsipi_periph *periph = sa->sa_periph; 257 int unit; 258 259 if (device_parent(parent) != ctrlrdev) 260 return; 261 262 unit = periph->periph_target * 100 + periph->periph_lun; 263 if (b->unit != unit) 264 return; 265 if (b->channel != periph->periph_channel->chan_channel) 266 return; 267 268 /* we've found it! */ 269 booted_device = dev; 270#if 0 271 printf("\nbooted_device = %s\n", device_xname(dev)); 272#endif 273 found = 1; 274 } 275} 276