freebsd-nq/sys/alpha/alpha/api_up1000.c
Peter Wemm bbf7bd333d Many of the alpha low level console drivers still have bogus compile time
dependencies on syscons.  Bandaid for now.
2002-08-22 19:52:16 +00:00

127 lines
3.3 KiB
C

/*-
* Copyright (c) 2000 Andrew Gallatin
* All rights reserved.
*
* 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 AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#include "opt_ddb.h"
#include <sys/param.h>
#include <sys/reboot.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/intr.h>
#include <sys/termios.h>
#include <machine/rpb.h>
#include <machine/cpuconf.h>
#include <machine/clock.h>
#include <pci/pcireg.h>
#include <pci/pcivar.h>
#include <alpha/pci/irongatereg.h>
#include <alpha/pci/irongatevar.h>
#include "opt_dev_sc.h"
#ifndef CONSPEED
#define CONSPEED TTYDEF_SPEED
#endif
static int comcnrate = CONSPEED;
void api_up1000_init(void);
static void api_up1000_cons_init(void);
extern int siocnattach(int, int);
extern int siogdbattach(int, int);
extern int sccnattach(void);
void
api_up1000_init()
{
platform.family = "UP1000";
if ((platform.model = alpha_dsr_sysname()) == NULL) {
/* XXX Don't know the system variations, yet. */
platform.model = alpha_unknown_sysname();
}
platform.iobus = "irongate";
platform.cons_init = api_up1000_cons_init;
}
extern int comconsole;
static void
api_up1000_cons_init()
{
struct ctb *ctb;
irongate_init();
#ifdef DDB
siogdbattach(0x2f8, 57600);
#endif
ctb = (struct ctb *)(((caddr_t)hwrpb) + hwrpb->rpb_ctb_off);
switch (ctb->ctb_term_type) {
case 2:
/* serial console ... */
/* XXX */
{
/*
* Delay to allow PROM putchars to complete.
* FIFO depth * character time,
* character time = (1000000 / (defaultrate / 10))
*/
DELAY(160000000 / comcnrate);
comconsole = 0;
if (siocnattach(0x3f8, comcnrate))
panic("can't init serial console");
boothowto |= RB_SERIAL;
break;
}
case 3:
/* display console ... */
/* XXX */
#ifdef DEV_SC
sccnattach();
#else
panic("not configured to use display && keyboard console");
#endif
break;
default:
printf("ctb->ctb_term_type = 0x%lx\n", ctb->ctb_term_type);
printf("ctb->ctb_turboslot = 0x%lx\n", ctb->ctb_turboslot);
panic("consinit: unknown console type %ld\n",
ctb->ctb_term_type);
}
}