Annotation of sys/arch/alpha/alpha/dec_kn20aa.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: dec_kn20aa.c,v 1.17 2006/11/28 16:56:50 dlg Exp $ */
! 2: /* $NetBSD: dec_kn20aa.c,v 1.42 2000/05/22 20:13:32 thorpej Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1995, 1996, 1997 Carnegie-Mellon University.
! 6: * All rights reserved.
! 7: *
! 8: * Author: Chris G. Demetriou
! 9: *
! 10: * Permission to use, copy, modify and distribute this software and
! 11: * its documentation is hereby granted, provided that both the copyright
! 12: * notice and this permission notice appear in all copies of the
! 13: * software, derivative works or modified versions, and any portions
! 14: * thereof, and that both notices appear in supporting documentation.
! 15: *
! 16: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
! 17: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
! 18: * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
! 19: *
! 20: * Carnegie Mellon requests users of this software to return to
! 21: *
! 22: * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
! 23: * School of Computer Science
! 24: * Carnegie Mellon University
! 25: * Pittsburgh PA 15213-3890
! 26: *
! 27: * any improvements or extensions that they make and grant Carnegie the
! 28: * rights to redistribute these changes.
! 29: */
! 30: /*
! 31: * Additional Copyright (c) 1997 by Matthew Jacob for NASA/Ames Research Center
! 32: */
! 33:
! 34: #include <sys/param.h>
! 35: #include <sys/systm.h>
! 36: #include <sys/device.h>
! 37: #include <sys/termios.h>
! 38: #include <dev/cons.h>
! 39: #include <sys/conf.h>
! 40:
! 41: #include <machine/rpb.h>
! 42: #include <machine/autoconf.h>
! 43: #include <machine/cpuconf.h>
! 44: #include <machine/bus.h>
! 45:
! 46: #include <dev/ic/comreg.h>
! 47: #include <dev/ic/comvar.h>
! 48:
! 49: #include <dev/isa/isareg.h>
! 50: #include <dev/isa/isavar.h>
! 51: #include <dev/ic/i8042reg.h>
! 52: #include <dev/ic/pckbcvar.h>
! 53: #include <dev/pci/pcireg.h>
! 54: #include <dev/pci/pcivar.h>
! 55:
! 56: #include <alpha/pci/ciareg.h>
! 57: #include <alpha/pci/ciavar.h>
! 58:
! 59: #include <scsi/scsi_all.h>
! 60: #include <scsi/scsiconf.h>
! 61:
! 62: #include "pckbd.h"
! 63:
! 64: #ifndef CONSPEED
! 65: #define CONSPEED TTYDEF_SPEED
! 66: #endif
! 67: static int comcnrate = CONSPEED;
! 68:
! 69: void dec_kn20aa_init(void);
! 70: static void dec_kn20aa_cons_init(void);
! 71: static void dec_kn20aa_device_register(struct device *, void *);
! 72:
! 73: const struct alpha_variation_table dec_kn20aa_variations[] = {
! 74: { 0, "AlphaStation 500 or 600 (KN20AA)" },
! 75: { 0, NULL },
! 76: };
! 77:
! 78: void
! 79: dec_kn20aa_init()
! 80: {
! 81: u_int64_t variation;
! 82:
! 83: platform.family = "AlphaStation 500 or 600 (KN20AA)";
! 84:
! 85: if ((platform.model = alpha_dsr_sysname()) == NULL) {
! 86: variation = hwrpb->rpb_variation & SV_ST_MASK;
! 87: if ((platform.model = alpha_variation_name(variation,
! 88: dec_kn20aa_variations)) == NULL)
! 89: platform.model = alpha_unknown_sysname();
! 90: }
! 91:
! 92: platform.iobus = "cia";
! 93: platform.cons_init = dec_kn20aa_cons_init;
! 94: platform.device_register = dec_kn20aa_device_register;
! 95: }
! 96:
! 97: static void
! 98: dec_kn20aa_cons_init()
! 99: {
! 100: struct ctb *ctb;
! 101: struct cia_config *ccp;
! 102: extern struct cia_config cia_configuration;
! 103:
! 104: ccp = &cia_configuration;
! 105: cia_init(ccp, 0);
! 106:
! 107: ctb = (struct ctb *)(((caddr_t)hwrpb) + hwrpb->rpb_ctb_off);
! 108:
! 109: switch (ctb->ctb_term_type) {
! 110: case CTB_PRINTERPORT:
! 111: /* serial console ... */
! 112: /* XXX */
! 113: {
! 114: /*
! 115: * Delay to allow PROM putchars to complete.
! 116: * FIFO depth * character time,
! 117: * character time = (1000000 / (defaultrate / 10))
! 118: */
! 119: DELAY(160000000 / comcnrate);
! 120:
! 121: if(comcnattach(&ccp->cc_iot, 0x3f8, comcnrate,
! 122: COM_FREQ,
! 123: (TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8))
! 124: panic("can't init serial console");
! 125:
! 126: break;
! 127: }
! 128:
! 129: case CTB_GRAPHICS:
! 130: #if NPCKBD > 0
! 131: /* display console ... */
! 132: /* XXX */
! 133: (void) pckbc_cnattach(&ccp->cc_iot, IO_KBD, KBCMDP,
! 134: PCKBC_KBD_SLOT);
! 135:
! 136: if (CTB_TURBOSLOT_TYPE(ctb->ctb_turboslot) ==
! 137: CTB_TURBOSLOT_TYPE_ISA)
! 138: isa_display_console(&ccp->cc_iot, &ccp->cc_memt);
! 139: else
! 140: pci_display_console(&ccp->cc_iot, &ccp->cc_memt,
! 141: &ccp->cc_pc, CTB_TURBOSLOT_BUS(ctb->ctb_turboslot),
! 142: CTB_TURBOSLOT_SLOT(ctb->ctb_turboslot), 0);
! 143: #else
! 144: panic("not configured to use display && keyboard console");
! 145: #endif
! 146: break;
! 147:
! 148: default:
! 149: printf("ctb->ctb_term_type = 0x%lx\n", ctb->ctb_term_type);
! 150: printf("ctb->ctb_turboslot = 0x%lx\n", ctb->ctb_turboslot);
! 151:
! 152: panic("consinit: unknown console type %ld",
! 153: ctb->ctb_term_type);
! 154: }
! 155: }
! 156:
! 157: static void
! 158: dec_kn20aa_device_register(dev, aux)
! 159: struct device *dev;
! 160: void *aux;
! 161: {
! 162: static int found, initted, diskboot, netboot;
! 163: static struct device *pcidev, *ctrlrdev;
! 164: struct bootdev_data *b = bootdev_data;
! 165: struct device *parent = dev->dv_parent;
! 166: struct cfdata *cf = dev->dv_cfdata;
! 167: struct cfdriver *cd = cf->cf_driver;
! 168:
! 169: if (found)
! 170: return;
! 171:
! 172: if (!initted) {
! 173: diskboot = (strncasecmp(b->protocol, "SCSI", 4) == 0);
! 174: netboot = (strncasecmp(b->protocol, "BOOTP", 5) == 0) ||
! 175: (strncasecmp(b->protocol, "MOP", 3) == 0);
! 176: #if 0
! 177: printf("diskboot = %d, netboot = %d\n", diskboot, netboot);
! 178: #endif
! 179: initted =1;
! 180: }
! 181:
! 182: if (pcidev == NULL) {
! 183: if (strcmp(cd->cd_name, "pci"))
! 184: return;
! 185: else {
! 186: struct pcibus_attach_args *pba = aux;
! 187:
! 188: if ((b->slot / 1000) != pba->pba_bus)
! 189: return;
! 190:
! 191: pcidev = dev;
! 192: #if 0
! 193: printf("\npcidev = %s\n", dev->dv_xname);
! 194: #endif
! 195: return;
! 196: }
! 197: }
! 198:
! 199: if (ctrlrdev == NULL) {
! 200: if (parent != pcidev)
! 201: return;
! 202: else {
! 203: struct pci_attach_args *pa = aux;
! 204: int slot;
! 205:
! 206: slot = pa->pa_bus * 1000 + pa->pa_function * 100 +
! 207: pa->pa_device;
! 208: if (b->slot != slot)
! 209: return;
! 210:
! 211: if (netboot) {
! 212: booted_device = dev;
! 213: #if 0
! 214: printf("\nbooted_device = %s\n", dev->dv_xname);
! 215: #endif
! 216: found = 1;
! 217: } else {
! 218: ctrlrdev = dev;
! 219: #if 0
! 220: printf("\nctrlrdev = %s\n", dev->dv_xname);
! 221: #endif
! 222: }
! 223: return;
! 224: }
! 225: }
! 226:
! 227: if (!diskboot)
! 228: return;
! 229:
! 230: if (!strcmp(cd->cd_name, "sd") || !strcmp(cd->cd_name, "st") ||
! 231: !strcmp(cd->cd_name, "cd")) {
! 232: struct scsi_attach_args *sa = aux;
! 233: struct scsi_link *periph = sa->sa_sc_link;
! 234: int unit;
! 235:
! 236: if (parent->dv_parent != ctrlrdev)
! 237: return;
! 238:
! 239: unit = periph->target * 100 + periph->lun;
! 240: if (b->unit != unit)
! 241: return;
! 242:
! 243: /* we've found it! */
! 244: booted_device = dev;
! 245: #if 0
! 246: printf("\nbooted_device = %s\n", dev->dv_xname);
! 247: #endif
! 248: found = 1;
! 249: }
! 250: }
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