NetBSD-5.0.2/sys/arch/alpha/alpha/dec_6600.c
/* $NetBSD: dec_6600.c,v 1.26 2007/03/04 15:18:10 yamt 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
* 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 "opt_kgdb.h"
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: dec_6600.c,v 1.26 2007/03/04 15:18:10 yamt Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/termios.h>
#include <sys/conf.h>
#include <dev/cons.h>
#include <machine/rpb.h>
#include <machine/autoconf.h>
#include <machine/cpuconf.h>
#include <machine/bus.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#include <dev/isa/isareg.h>
#include <dev/isa/isavar.h>
#include <dev/ic/i8042reg.h>
#include <dev/ic/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 <dev/ata/atavar.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 *));
#ifdef KGDB
#include <machine/db_machdep.h>
static const char *kgdb_devlist[] = {
"com",
NULL,
};
#endif /* KGDB */
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 *)(((char *)hwrpb) + hwrpb->rpb_ctb_off);
ctbslot = ctb->ctb_turboslot;
/* Console hose defaults to hose 0. */
tsp_console_hose = 0;
tsp = tsp_init(0, tsp_console_hose);
switch (ctb->ctb_term_type) {
case CTB_PRINTERPORT:
/* 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, COM_TYPE_NORMAL,
(TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8))
panic("can't init serial console");
break;
}
case CTB_GRAPHICS:
#if NPCKBD > 0
/* display console ... */
/* XXX */
(void) pckbc_cnattach(&tsp->pc_iot, IO_KBD, KBCMDP,
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_console_hose = CTB_TURBOSLOT_HOSE(ctbslot);
tsp = tsp_init(0, tsp_console_hose);
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",
ctb->ctb_term_type);
}
#ifdef KGDB
/* Attach the KGDB device. */
alpha_kgdb_init(kgdb_devlist, &tsp->pc_iot);
#endif /* KGDB */
}
static void
dec_6600_device_register(dev, aux)
struct device *dev;
void *aux;
{
static int found, initted, diskboot, netboot;
static struct device *primarydev, *pcidev, *ctrlrdev;
struct bootdev_data *b = bootdev_data;
struct device *parent = device_parent(dev);
if (found)
return;
if (!initted) {
diskboot = (strcasecmp(b->protocol, "SCSI") == 0) ||
(strcasecmp(b->protocol, "IDE") == 0);
netboot = (strcasecmp(b->protocol, "BOOTP") == 0) ||
(strcasecmp(b->protocol, "MOP") == 0);
DR_VERBOSE(printf("diskboot = %d, netboot = %d\n", diskboot,
netboot));
initted = 1;
}
if (primarydev == NULL) {
if (!device_is_a(dev, "tsp"))
return;
else {
struct tsp_attach_args *tsp = aux;
if (b->bus != tsp->tsp_slot)
return;
primarydev = dev;
DR_VERBOSE(printf("\nprimarydev = %s\n",
dev->dv_xname));
return;
}
}
if (pcidev == NULL) {
if (!device_is_a(dev, "pci"))
return;
/*
* Try to find primarydev anywhere in the ancestry. This is
* necessary if the PCI bus is hidden behind a bridge.
*/
while (parent) {
if (parent == primarydev)
break;
parent = device_parent(parent);
}
if (!parent)
return;
else {
struct pcibus_attach_args *pba = aux;
if ((b->slot / 1000) != pba->pba_bus)
return;
pcidev = dev;
DR_VERBOSE(printf("\npcidev = %s\n", dev->dv_xname));
return;
}
}
if (ctrlrdev == NULL) {
if (parent != pcidev)
return;
else {
struct pci_attach_args *pa = aux;
int slot;
slot = pa->pa_bus * 1000 + pa->pa_function * 100 +
pa->pa_device;
if (b->slot != slot)
return;
if (netboot) {
booted_device = dev;
DR_VERBOSE(printf("\nbooted_device = %s\n",
dev->dv_xname));
found = 1;
} else {
ctrlrdev = dev;
DR_VERBOSE(printf("\nctrlrdev = %s\n",
dev->dv_xname));
}
return;
}
}
if (!diskboot)
return;
if (device_is_a(dev, "sd") ||
device_is_a(dev, "st") ||
device_is_a(dev, "cd")) {
struct scsipibus_attach_args *sa = aux;
struct scsipi_periph *periph = sa->sa_periph;
int unit;
if (device_parent(parent) != ctrlrdev)
return;
unit = periph->periph_target * 100 + periph->periph_lun;
if (b->unit != unit)
return;
if (b->channel != periph->periph_channel->chan_channel)
return;
/* we've found it! */
booted_device = dev;
DR_VERBOSE(printf("\nbooted_device = %s\n", dev->dv_xname));
found = 1;
}
/*
* Support to boot from IDE drives.
*/
if (device_is_a(dev, "wd")) {
struct ata_device *adev = aux;
if (!device_is_a(parent, "atabus"))
return;
if (device_parent(parent) != ctrlrdev)
return;
DR_VERBOSE(printf("\nAtapi info: drive: %d, channel %d\n",
adev->adev_drv_data->drive, adev->adev_channel));
DR_VERBOSE(printf("Bootdev info: unit: %d, channel: %d\n",
b->unit, b->channel));
if (b->unit != adev->adev_drv_data->drive ||
b->channel != adev->adev_channel)
return;
/* we've found it! */
booted_device = dev;
DR_VERBOSE(printf("booted_device = %s\n", dev->dv_xname));
found = 1;
}
}