7974471e37
Change-Id: I05d6d22664155ac8478e665733f816776e277c22 Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com> Reviewed-on: http://review.coreboot.org/6200 Tested-by: build bot (Jenkins) Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
49 lines
1.4 KiB
C
49 lines
1.4 KiB
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 <console/console.h>
|
|
#include <cpu/x86/smm.h>
|
|
#include "southbridge/intel/i82801gx/nvs.h"
|
|
|
|
/* The southbridge SMI handler checks whether gnvs has a
|
|
* valid pointer before calling the trap handler
|
|
*/
|
|
extern global_nvs_t *gnvs;
|
|
|
|
int mainboard_io_trap_handler(int smif)
|
|
{
|
|
switch (smif) {
|
|
case 0x99:
|
|
printk(BIOS_DEBUG, "Sample\n");
|
|
gnvs->smif = 0;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
|
|
/* On success, the IO Trap Handler returns 0
|
|
* On failure, the IO Trap Handler returns a value != 0
|
|
*
|
|
* For now, we force the return value to 0 and log all traps to
|
|
* see what's going on.
|
|
*/
|
|
//gnvs->smif = 0;
|
|
return 1;
|
|
}
|