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/* $NetBSD: consinit.c,v 1.4 2021/03/29 13:14:13 rin Exp $ */
/*
* Copyright (c) 2006 Jachym Holecek
* All rights reserved.
*
* Written for DFC Design, s.r.o.
*
* 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 ``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 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.
*/
#include "opt_cons.h"
#include "xlcom.h"
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: consinit.c,v 1.4 2021/03/29 13:14:13 rin Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/bus.h>
#include <evbppc/virtex/virtex.h>
#include <dev/cons.h>
#if NXLCOM > 0
extern struct consdev consdev_xlcom;
void xlcom_cninit(struct consdev *, bus_addr_t);
#if defined(KGDB)
void xlcom_kgdbinit(void);
#endif
#endif
bus_space_tag_t consdev_iot;
bus_space_handle_t consdev_ioh;
#if defined(KGDB)
bus_space_tag_t kgdb_iot;
bus_space_handle_t kgdb_ioh;
#endif
/*
* Initialize the system console (hmm, as if anyone can see those panics).
*/
void
consinit(void)
{
static int initted = 0;
if (initted)
return;
/* Pick MD knowledge about console. */
if (virtex_bus_space_tag(CONS_NAME, &consdev_iot))
panic("No bus space for %s console", CONS_NAME);
#if defined(KGDB)
if (virtex_bus_space_tag(KGDB_NAME, &kgdb_iot))
panic("No bus space for %s kgdb", KGDB_NAME);
#endif
#if NXLCOM > 0
#if defined(KGDB)
if (strncmp("xlcom", KGDB_NAME, 5)) {
xlcom_kgdbinit();
/* Overtake console device, we're higher priority. */
if (strcmp(KGDB_NAME, CONS_NAME) == 0 &&
KGDB_ADDR == CONS_ADDR)
goto done;
}
#endif
if (strncmp("xlcom", CONS_NAME, 5) == 0) {
cn_tab = &consdev_xlcom;
xlcom_cninit(cn_tab, CONS_ADDR);
goto done;
}
#endif
panic("No console"); /* XXX really panic? */
done:
/* If kgdb overtook console, cn_tab is NULL and dev/cons.c deals. */
initted = 1;
}
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