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[src/trunk]: src/sys/arch/alpha/alpha System support for ev6 (21264) systems.



details:   https://anonhg.NetBSD.org/src/rev/351e0e250901
branches:  trunk
changeset: 474136:351e0e250901
user:      ross <ross%NetBSD.org@localhost>
date:      Tue Jun 29 07:08:53 1999 +0000

description:
System support for ev6 (21264) systems.

diffstat:

 sys/arch/alpha/alpha/dec_6600.c |  305 ++++++++++++++++++++++++++++++++++++++++
 1 files changed, 305 insertions(+), 0 deletions(-)

diffs (truncated from 309 to 300 lines):

diff -r 2b20b1cd269f -r 351e0e250901 sys/arch/alpha/alpha/dec_6600.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/alpha/alpha/dec_6600.c   Tue Jun 29 07:08:53 1999 +0000
@@ -0,0 +1,305 @@
+/* $NetBSD: dec_6600.c,v 1.1 1999/06/29 07:08:53 ross Exp $ */
+
+/*
+ * Copyright (c) 1995, 1996, 1997 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution%CS.CMU.EDU@localhost
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include <sys/cdefs.h>                 /* RCS ID & Copyright macro defns */
+
+__KERNEL_RCSID(0, "$NetBSD: dec_6600.c,v 1.1 1999/06/29 07:08:53 ross Exp $");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+#include <sys/termios.h>
+#include <dev/cons.h>
+
+#include <machine/rpb.h>
+#include <machine/autoconf.h>
+#include <machine/conf.h>
+#include <machine/bus.h>
+
+#include <dev/ic/comreg.h>
+#include <dev/ic/comvar.h>
+
+#include <dev/isa/isavar.h>
+#include <dev/isa/pckbcvar.h>
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcivar.h>
+
+#include <alpha/pci/tsreg.h>
+#include <alpha/pci/tsvar.h>
+
+#include <dev/scsipi/scsi_all.h>
+#include <dev/scsipi/scsipi_all.h>
+#include <dev/scsipi/scsiconf.h>
+
+#include "pckbd.h"
+
+#ifndef CONSPEED
+#define CONSPEED TTYDEF_SPEED
+#endif
+
+#define        DR_VERBOSE(f) while (0)
+
+static int comcnrate __attribute__((unused)) = CONSPEED;
+
+void dec_6600_init __P((void));
+static void dec_6600_cons_init __P((void));
+static void dec_6600_device_register __P((struct device *, void *));
+
+void
+dec_6600_init()
+{
+
+       platform.family = "6600";
+
+       if ((platform.model = alpha_dsr_sysname()) == NULL) {
+               /* XXX Don't know the system variations, yet. */
+               platform.model = alpha_unknown_sysname();
+       }
+
+       platform.iobus = "tsc";
+       platform.cons_init = dec_6600_cons_init;
+       platform.device_register = dec_6600_device_register;
+       STQP(TS_C_DIM0) = 0UL;
+       STQP(TS_C_DIM1) = 0UL;
+}
+
+static void
+dec_6600_cons_init()
+{
+       struct ctb *ctb;
+       u_int64_t ctbslot;
+       struct tsp_config *tsp;
+
+       ctb = (struct ctb *)(((caddr_t)hwrpb) + hwrpb->rpb_ctb_off);
+       ctbslot = ctb->ctb_turboslot;
+
+       tsp = tsp_init(0, 0);
+
+       switch (ctb->ctb_term_type) {
+       case 2: 
+               /* serial console ... */
+               assert(CTB_TURBOSLOT_HOSE(ctbslot) == 0);
+               /* XXX */
+               {
+                       /*
+                        * Delay to allow PROM putchars to complete.
+                        * FIFO depth * character time,
+                        * character time = (1000000 / (defaultrate / 10))
+                        */
+                       DELAY(160000000 / comcnrate);
+
+                       if(comcnattach(&tsp->pc_iot, 0x3f8, comcnrate,
+                           COM_FREQ,
+                           (TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8))
+                               panic("can't init serial console");
+
+                       break;
+               }
+
+       case 3:
+#if NPCKBD > 0
+               /* display console ... */
+               /* XXX */
+               (void) pckbc_cnattach(&tsp->pc_iot, PCKBC_KBD_SLOT);
+
+               if (CTB_TURBOSLOT_TYPE(ctbslot) ==
+                   CTB_TURBOSLOT_TYPE_ISA)
+                       isa_display_console(&tsp->pc_iot, &tsp->pc_memt);
+               else {
+                       /* The display PCI might be different */
+                       tsp = tsp_init(0, CTB_TURBOSLOT_HOSE(ctbslot));
+                       pci_display_console(&tsp->pc_iot, &tsp->pc_memt,
+                           &tsp->pc_pc, CTB_TURBOSLOT_BUS(ctbslot),
+                           CTB_TURBOSLOT_SLOT(ctbslot), 0);
+               }
+#else
+               panic("not configured to use display && keyboard console");
+#endif
+               break;
+
+       default:
+               printf("ctb_term_type = 0x%lx ctb_turboslot = 0x%lx"
+                   " hose = %ld\n", ctb->ctb_term_type, ctbslot,
+                   CTB_TURBOSLOT_HOSE(ctbslot));
+
+               panic("consinit: unknown console type %ld\n",
+                   ctb->ctb_term_type);
+       }
+}
+
+static void
+dec_6600_device_register(dev, aux)
+       struct device *dev;
+       void *aux;
+{
+       static int found, initted, scsiboot, ideboot, netboot;
+       static struct device *primarydev, *pcidev, *scsipidev;
+       struct bootdev_data *b = bootdev_data;
+       struct device *parent = dev->dv_parent;
+       struct cfdata *cf = dev->dv_cfdata;
+       struct cfdriver *cd = cf->cf_driver;
+
+       if (found)
+               return;
+
+       if (!initted) {
+               scsiboot = (strcmp(b->protocol, "SCSI") == 0);
+               netboot = (strcmp(b->protocol, "BOOTP") == 0);
+               /*
+                * Add an extra check to boot from ide drives:
+                * Newer SRM firmware use the protocol identifier IDE,
+                * older SRM firmware use the protocol identifier SCSI.
+                */
+               ideboot = (strcmp(b->protocol, "IDE") == 0);
+               DR_VERBOSE(printf("scsiboot = %d, ideboot = %d, netboot = %d\n",
+                   scsiboot, ideboot, netboot));
+               initted = 1;
+       }
+       if (primarydev == NULL) {
+               if (strcmp(cd->cd_name, "tsp"))
+                       return;
+               else {
+                       struct tsp_attach_args *tsp = aux;
+
+                       if (b->bus != tsp->tsp_slot)
+                               return;
+                       primarydev = dev;
+                       DR_VERBOSE(printf("\nprimarydev = %s\n",
+                           primarydev->dv_xname));
+                       return;
+               }
+       }
+       if (pcidev == NULL) {
+               if (parent != primarydev)
+                       return;
+               if (strcmp(cd->cd_name, "pci"))
+                       return;
+               else {
+                       struct pcibus_attach_args *pba = aux;
+
+                       if ((b->slot / 1000) != pba->pba_bus)
+                               return;
+       
+                       pcidev = dev;
+                       DR_VERBOSE(printf("\npcidev = %s\n", pcidev->dv_xname));
+                       return;
+               }
+       }
+       if ((ideboot || scsiboot) && scsipidev == NULL) {
+               if (parent != pcidev)
+                       return;
+               else {
+                       struct pci_attach_args *pa = aux;
+
+                       if (b->slot % 1000 / 100 != pa->pa_function)
+                               return;
+                       if (b->slot % 100 != pa->pa_device)
+                               return;
+       
+                       scsipidev = dev;
+                       DR_VERBOSE(printf("\nscsipidev = %s\n",
+                           scsipidev->dv_xname));
+                       return;
+               }
+       }
+       if ((scsiboot || ideboot) &&
+           (!strcmp(cd->cd_name, "sd") ||
+            !strcmp(cd->cd_name, "st") ||
+            !strcmp(cd->cd_name, "cd"))) {
+               struct scsipibus_attach_args *sa = aux;
+
+               if (parent->dv_parent != scsipidev)
+                       return;
+
+               if (b->unit / 100 != sa->sa_sc_link->scsipi_scsi.target)
+                       return;
+
+               /* XXX LUN! */
+
+               switch (b->boot_dev_type) {
+               case 0:
+                       if (strcmp(cd->cd_name, "sd") &&
+                           strcmp(cd->cd_name, "cd"))
+                               return;
+                       break;
+               case 1:
+                       if (strcmp(cd->cd_name, "st"))
+                               return;
+                       break;
+               default:
+                       return;
+               }
+
+               /* we've found it! */
+               booted_device = dev;
+               DR_VERBOSE(printf("\nbooted_device = %s\n",
+                   booted_device->dv_xname));
+               found = 1;
+       }
+
+       /*
+        * Support to boot from IDE drives.
+        * Should work with all SRM firmware versions, but is at the
+        * moment limited to hard disks. Support for IDE CD ROM is
+        * included above, under the theory that it will always be
+        * via the pci ide controller.
+        */
+       if ((ideboot || scsiboot) && !strcmp(cd->cd_name, "wd")) {
+               if ((strncmp("pciide", parent->dv_xname, 6) != 0)) {
+                       return;
+               } else {
+                       if (parent != scsipidev)
+                               return;
+               }
+
+               /* we've found it! */
+               booted_device = dev;
+               DR_VERBOSE(printf("\nbooted_device = %s\n",
+                   booted_device->dv_xname));
+               found = 1;
+       }
+       if (netboot) {
+               if (parent != pcidev)
+                       return;
+               else {
+                       struct pci_attach_args *pa = aux;
+
+                       if (b->slot % 1000 / 100 != pa->pa_function)
+                               return;
+                       if ((b->slot % 100) != pa->pa_device)
+                               return;



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