coreboot-kgpe-d16/src/southbridge/intel/bd82x6x/reset.c
Vadim Bendebury 71695d8a28 Fix full reset for Ivy Bridge platforms
Experiments have shown that writing plain value of 6 at byte io
address of 0xcf9 causes the systems to reset and reboot reliably.

Change-Id: Ie900e4b4014cded868647372b027918b7ff72578
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: http://review.coreboot.org/1050
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2012-05-29 11:29:24 +02:00

32 lines
919 B
C

/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008-2009 coresystems GmbH
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of
* the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <arch/io.h>
#include <reset.h>
void soft_reset(void)
{
outb(0x04, 0xcf9);
}
void hard_reset(void)
{
outb(0x06, 0xcf9);
}