111 lines
2.9 KiB
C
111 lines
2.9 KiB
C
/* $NetBSD: consinit.c,v 1.3 2011/07/01 19:03:50 dyoung 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 1.3 2011/07/01 19:03:50 dyoung 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
|
|
|
|
struct consdev *cn_tab = NULL;
|
|
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;
|
|
}
|