/* $NetBSD: pci_consinit.c,v 1.1 2025/03/09 01:06:42 thorpej 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
[email protected]
* 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: pci_consinit.c,v 1.1 2025/03/09 01:06:42 thorpej Exp $");
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/termios.h>
#include <sys/time.h>
#include <sys/bus.h>
#include <machine/rpb.h>
#include <machine/autoconf.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#include <dev/ic/i8042reg.h>
#include <dev/ic/pckbcvar.h>
#include <dev/isa/isareg.h>
#include <dev/isa/isavar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include "pckbd.h"
#ifndef CONSPEED
#define CONSPEED TTYDEF_SPEED
#endif
static int comcnrate = CONSPEED;
#ifdef KGDB
#include <machine/db_machdep.h>
static const char *kgdb_devlist[] = {
"com",
NULL,
};
#endif /* KGDB */
void
pci_consinit(pci_chipset_tag_t disp_pc,
bus_space_tag_t disp_iot, bus_space_tag_t disp_memt,
bus_space_tag_t isa_iot, bus_space_tag_t isa_memt)
{
const struct ctb *ctb;
ctb = (struct ctb *)(((char *)hwrpb) + hwrpb->rpb_ctb_off);
switch (ctb->ctb_term_type) {
case CTB_PRINTERPORT:
/* serial console ... */
/* XXX */
/*
* Delay to allow PROM putchars to complete.
* FIFO depth * character time,
* character time = (1000000 / (defaultrate / 10))
*/
DELAY(160000000 / comcnrate);
if (comcnattach(isa_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(isa_iot, IO_KBD, KBCMDP,
PCKBC_KBD_SLOT, 0);
switch (CTB_TURBOSLOT_TYPE(ctb->ctb_turboslot)) {
case CTB_TURBOSLOT_TYPE_ISA:
case CTB_TURBOSLOT_TYPE_EISA:
isa_display_console(isa_iot, isa_memt);
break;
case CTB_TURBOSLOT_TYPE_PCI:
default:
pci_display_console(disp_iot, disp_memt, disp_pc,
CTB_TURBOSLOT_BUS(ctb->ctb_turboslot),
CTB_TURBOSLOT_SLOT(ctb->ctb_turboslot), 0);
break;
}
#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("%s: unknown console type %ld", __func__,
ctb->ctb_term_type);
}
#ifdef KGDB
/* Attach the KGDB device. */
alpha_kgdb_init(kgdb_devlist, isa_iot);
#endif /* KGDB */
}
