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/* $FreeBSD$ */
/* $NetBSD: dec_eb164.c,v 1.26 1998/04/17 02:45:19 mjacob 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.
*/
/*
* Additional Copyright (c) 1997 by Matthew Jacob for NASA/Ames Research Center
*/
#include "opt_ddb.h"
#include <sys/param.h>
#include <sys/reboot.h>
#include <sys/systm.h>
#include <sys/termios.h>
#include <machine/rpb.h>
#include <machine/cpuconf.h>
#include <machine/clock.h>
#include <alpha/pci/ciavar.h>
#include "sio.h"
#include "sc.h"
#ifndef CONSPEED
#define CONSPEED TTYDEF_SPEED
#endif
static int comcnrate = CONSPEED;
void dec_eb164_init __P((void));
static void dec_eb164_cons_init __P((void));
static void eb164_intr_init(void);
extern void eb164_intr_enable(int irq);
extern void eb164_intr_disable(int irq);
extern int siocnattach __P((int, int));
extern int siogdbattach __P((int, int));
extern int sccnattach __P((void));
void
dec_eb164_init()
{
platform.family = "EB164";
if ((platform.model = alpha_dsr_sysname()) == NULL) {
/* XXX Don't know the system variations, yet. */
platform.model = alpha_unknown_sysname();
}
platform.iobus = "cia";
platform.cons_init = dec_eb164_cons_init;
platform.pci_intr_init = eb164_intr_init;
platform.pci_intr_map = NULL;
platform.pci_intr_disable = eb164_intr_disable;
platform.pci_intr_enable = eb164_intr_enable;
}
extern int comconsole; /* XXX for forcing comconsole when srm serial console is used */
static void
dec_eb164_cons_init()
{
struct ctb *ctb;
cia_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);
/*
* force a comconsole on com1 if the SRM has a serial
* console
*/
comconsole = 0;
if (siocnattach(0x3f8, comcnrate))
panic("can't init serial console");
boothowto |= RB_SERIAL;
break;
}
case 3:
/* display console ... */
/* XXX */
#if NSC > 0
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 %d\n",
(int) ctb->ctb_term_type);
}
}
static void
eb164_intr_init()
{
/*
* Enable ISA-PCI cascade interrupt.
*/
eb164_intr_enable(4);
}
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