NetBSD-5.0.2/sys/arch/alpha/alpha/dec_2000_300.c
/* $NetBSD: dec_2000_300.c,v 1.16 2008/04/28 20:23:10 martin Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (c) 1995, 1996 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_2000_300.c,v 1.16 2008/04/28 20:23:10 martin Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/termios.h>
#include <sys/conf.h>
#include <machine/rpb.h>
#include <machine/autoconf.h>
#include <machine/cpuconf.h>
#include <dev/eisa/eisavar.h>
#include <dev/isa/isareg.h>
#include <dev/isa/isavar.h>
#include <dev/ic/i8042reg.h>
#include <dev/ic/comvar.h>
#include <dev/ic/comreg.h>
#include <dev/ic/pckbcvar.h>
#include <alpha/jensenio/jenseniovar.h>
#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsiconf.h>
#include "pckbd.h"
void dec_2000_300_init(void);
static void dec_2000_300_cons_init(void);
static void dec_2000_300_device_register(struct device *, void *);
#ifdef KGDB
#include <machine/db_machdep.h>
static const char *kgdb_devlist[] = {
"com",
NULL,
};
#endif /* KGDB */
void
dec_2000_300_init(void)
{
platform.family = "DECpc AXP 150 (\"Jensen\")";
if ((platform.model = alpha_dsr_sysname()) == NULL) {
/* XXX Don't know the system variations, yet. */
platform.model = alpha_unknown_sysname();
}
platform.iobus = "jensenio";
platform.cons_init = dec_2000_300_cons_init;
platform.device_register = dec_2000_300_device_register;
}
static void
dec_2000_300_cons_init(void)
{
struct ctb_tt *ctb;
struct jensenio_config *jcp;
extern struct jensenio_config jensenio_configuration;
jcp = &jensenio_configuration;
jensenio_init(jcp, 0);
ctb = (struct ctb_tt *)(((char *)hwrpb) + hwrpb->rpb_ctb_off);
/*
* The Jensen uses an older (pre-Type 4) CTB format. The
* console type is specified directly by ctb_type, and only
* minimal info is given, only for the serial console.
*
* Thankfully, the only graphics device we can have is
* ISA/EISA, so it really doesn't matter too much.
*/
switch (ctb->ctb_type) {
case CTB_PRINTERPORT:
/* serial console... */
/* XXX */
{
#if 0
printf("CTB CSR = 0x%08lx\n", ctb->ctb_csr);
printf("CTB BAUD = %lu\n", ctb->ctb_baud);
#endif
/*
* Delay to allow PROM putchars to complete.
* FIFO depth * character time,
* character time = (1000000 / (defaultrate / 10))
*/
DELAY(160000000 / ctb->ctb_baud);
if (comcnattach(&jcp->jc_internal_iot, 0x3f8,
ctb->ctb_baud, 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(&jcp->jc_internal_iot, IO_KBD, KBCMDP,
PCKBC_KBD_SLOT);
isa_display_console(&jcp->jc_eisa_iot, &jcp->jc_eisa_memt);
#else
panic("not configured to use display && keyboard console");
#endif
break;
default:
goto badconsole;
}
#ifdef KGDB
/* Attach the KGDB device. */
alpha_kgdb_init(kgdb_devlist, &jcp->jc_internal_iot);
#endif /* KGDB */
return;
badconsole:
printf("ctb->ctb_type = 0x%lx\n", ctb->ctb_type);
printf("ctb->ctb_csr = 0x%lx\n", ctb->ctb_csr);
printf("ctb->ctb_baud = %lu\n", ctb->ctb_baud);
panic("consinit: unknown console type %lu",
ctb->ctb_type);
}
static void
dec_2000_300_device_register(struct device *dev, void *aux)
{
static int found, initted, scsiboot, netboot;
static struct device *eisadev, *isadev, *scsidev;
struct bootdev_data *b = bootdev_data;
struct device *parent = device_parent(dev);
if (found)
return;
if (!initted) {
scsiboot = (strcmp(b->protocol, "SCSI") == 0);
netboot = (strcmp(b->protocol, "BOOTP") == 0);
#if 0
printf("scsiboot = %d, netboot = %d\n", scsiboot, netboot);
#endif
initted = 1;
}
if (eisadev == NULL && device_is_a(dev, "eisa"))
eisadev = dev;
if (isadev == NULL && device_is_a(dev, "isa"))
isadev = dev;
if (scsiboot && (scsidev == NULL)) {
if (eisadev == NULL || parent != eisadev)
return;
else {
struct eisa_attach_args *ea = aux;
if (b->slot != ea->ea_slot)
return;
scsidev = dev;
#if 0
printf("\nscsidev = %s\n", scsidev->dv_xname);
#endif
return;
}
}
if (scsiboot &&
(device_is_a(dev, "sd") ||
device_is_a(dev, "st") ||
device_is_a(dev, "cd"))) {
struct scsipibus_attach_args *sa = aux;
if (device_parent(parent) != scsidev)
return;
if (b->unit / 100 != sa->sa_periph->periph_target)
return;
/* XXX LUN! */
switch (b->boot_dev_type) {
case 0:
if (!device_is_a(dev, "sd") &&
!device_is_a(dev, "cd"))
return;
break;
case 1:
if (!device_is_a(dev, "st"))
return;
break;
default:
return;
}
/* we've found it! */
booted_device = dev;
#if 0
printf("\nbooted_device = %s\n", booted_device->dv_xname);
#endif
found = 1;
return;
}
if (netboot) {
/*
* XXX WHAT ABOUT ISA NETWORK CARDS?
*/
if (eisadev == NULL || parent != eisadev)
return;
else {
struct eisa_attach_args *ea = aux;
if (b->slot != ea->ea_slot)
return;
booted_device = dev;
#if 0
printf("\nbooted_device = %s\n", booted_device->dv_xname);
#endif
found = 1;
return;
}
}
}