271 lines
6.3 KiB
C
271 lines
6.3 KiB
C
/* $NetBSD: dec_2100_a50.c,v 1.37 1998/02/13 00:12:45 thorpej Exp $ */
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/*
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* Copyright (c) 1995, 1996, 1997 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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/*
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* Additional Copyright (c) 1997 by Matthew Jacob for NASA/Ames Research Center
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*/
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#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
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__KERNEL_RCSID(0, "$NetBSD: dec_2100_a50.c,v 1.37 1998/02/13 00:12:45 thorpej Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/termios.h>
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#include <dev/cons.h>
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#include <machine/rpb.h>
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#include <machine/autoconf.h>
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#include <machine/conf.h>
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#include <machine/bus.h>
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#include <dev/ic/comreg.h>
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#include <dev/ic/comvar.h>
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#include <dev/isa/isavar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <alpha/pci/apecsreg.h>
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#include <alpha/pci/apecsvar.h>
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#include <dev/scsipi/scsi_all.h>
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#include <dev/scsipi/scsipi_all.h>
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#include <dev/scsipi/scsiconf.h>
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#ifndef CONSPEED
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#define CONSPEED TTYDEF_SPEED
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#endif
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static int comcnrate = CONSPEED;
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void dec_2100_a50_init __P((void));
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static void dec_2100_a50_cons_init __P((void));
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static void dec_2100_a50_device_register __P((struct device *, void *));
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const struct alpha_variation_table dec_2100_a50_variations[] = {
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{ SV_ST_AVANTI, "AlphaStation 400 4/233 (\"Avanti\")" },
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{ SV_ST_MUSTANG2_4_166, "AlphaStation 200 4/166 (\"Mustang II\")" },
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{ SV_ST_MUSTANG2_4_233, "AlphaStation 200 4/233 (\"Mustang II\")" },
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{ SV_ST_AVANTI_4_266, "AlphaStation 250 4/266" },
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{ SV_ST_MUSTANG2_4_100, "AlphaStation 200 4/100 (\"Mustang II\")" },
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{ SV_ST_AVANTI_4_233, "AlphaStation 255/233" },
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{ 0, NULL },
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};
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void
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dec_2100_a50_init()
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{
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u_int64_t variation;
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platform.family = "AlphaStation 200/400 (\"Avanti\")";
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if ((platform.model = alpha_dsr_sysname()) == NULL) {
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variation = hwrpb->rpb_variation & SV_ST_MASK;
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if (variation == SV_ST_AVANTI_XXX) {
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/* XXX apparently the same? */
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variation = SV_ST_AVANTI;
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}
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if ((platform.model = alpha_variation_name(variation,
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dec_2100_a50_variations)) == NULL)
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platform.model = alpha_unknown_sysname();
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}
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platform.iobus = "apecs";
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platform.cons_init = dec_2100_a50_cons_init;
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platform.device_register = dec_2100_a50_device_register;
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}
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static void
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dec_2100_a50_cons_init()
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{
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struct ctb *ctb;
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struct apecs_config *acp;
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extern struct apecs_config apecs_configuration;
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acp = &apecs_configuration;
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apecs_init(acp, 0);
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ctb = (struct ctb *)(((caddr_t)hwrpb) + hwrpb->rpb_ctb_off);
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switch (ctb->ctb_term_type) {
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case 2:
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/* serial console ... */
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/* XXX */
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{
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/*
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* Delay to allow PROM putchars to complete.
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* FIFO depth * character time,
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* character time = (1000000 / (defaultrate / 10))
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*/
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DELAY(160000000 / comcnrate);
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if(comcnattach(&acp->ac_iot, 0x3f8, comcnrate,
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COM_FREQ,
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(TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8))
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panic("can't init serial console");
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break;
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}
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case 3:
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/* display console ... */
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/* XXX */
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if ((ctb->ctb_turboslot & 0xffff) == 0)
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isa_display_console(&acp->ac_iot, &acp->ac_memt);
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else
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pci_display_console(&acp->ac_iot, &acp->ac_memt,
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&acp->ac_pc, (ctb->ctb_turboslot >> 8) & 0xff,
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ctb->ctb_turboslot & 0xff, 0);
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break;
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default:
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printf("ctb->ctb_term_type = 0x%lx\n", ctb->ctb_term_type);
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printf("ctb->ctb_turboslot = 0x%lx\n", ctb->ctb_turboslot);
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panic("consinit: unknown console type %d\n",
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ctb->ctb_term_type);
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}
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}
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static void
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dec_2100_a50_device_register(dev, aux)
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struct device *dev;
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void *aux;
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{
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static int found, initted, scsiboot, netboot;
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static struct device *pcidev, *scsidev;
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struct bootdev_data *b = bootdev_data;
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struct device *parent = dev->dv_parent;
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struct cfdata *cf = dev->dv_cfdata;
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struct cfdriver *cd = cf->cf_driver;
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if (found)
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return;
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if (!initted) {
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scsiboot = (strcmp(b->protocol, "SCSI") == 0);
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netboot = (strcmp(b->protocol, "BOOTP") == 0);
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#if 0
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printf("scsiboot = %d, netboot = %d\n", scsiboot, netboot);
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#endif
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initted =1;
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}
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if (pcidev == NULL) {
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if (strcmp(cd->cd_name, "pci"))
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return;
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else {
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struct pcibus_attach_args *pba = aux;
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if ((b->slot / 1000) != pba->pba_bus)
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return;
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pcidev = dev;
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#if 0
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printf("\npcidev = %s\n", pcidev->dv_xname);
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#endif
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return;
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}
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}
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if (scsiboot && (scsidev == NULL)) {
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if (parent != pcidev)
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return;
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else {
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struct pci_attach_args *pa = aux;
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if ((b->slot % 1000) != pa->pa_device)
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return;
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/* XXX function? */
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scsidev = dev;
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#if 0
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printf("\nscsidev = %s\n", scsidev->dv_xname);
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#endif
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return;
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}
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}
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if (scsiboot &&
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(!strcmp(cd->cd_name, "sd") ||
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!strcmp(cd->cd_name, "st") ||
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!strcmp(cd->cd_name, "cd"))) {
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struct scsipibus_attach_args *sa = aux;
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if (parent->dv_parent != scsidev)
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return;
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if (b->unit / 100 != sa->sa_sc_link->scsipi_scsi.target)
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return;
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/* XXX LUN! */
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switch (b->boot_dev_type) {
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case 0:
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if (strcmp(cd->cd_name, "sd") &&
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strcmp(cd->cd_name, "cd"))
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return;
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break;
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case 1:
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if (strcmp(cd->cd_name, "st"))
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return;
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break;
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default:
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return;
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}
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/* we've found it! */
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booted_device = dev;
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#if 0
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printf("\nbooted_device = %s\n", booted_device->dv_xname);
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#endif
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found = 1;
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}
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if (netboot) {
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if (parent != pcidev)
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return;
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else {
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struct pci_attach_args *pa = aux;
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if ((b->slot % 1000) != pa->pa_device)
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return;
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/* XXX function? */
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booted_device = dev;
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#if 0
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printf("\nbooted_device = %s\n", booted_device->dv_xname);
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#endif
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found = 1;
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return;
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}
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}
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}
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