2 * This file is part of the coreboot project.
4 * Copyright (C) 2008-2009 coresystems GmbH
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; version 2 of
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
23 #include <arch/romcc_io.h>
24 #include <console/console.h>
25 #include <cpu/x86/smm.h>
26 #include "southbridge/intel/i82801gx/nvs.h"
28 /* The southbridge SMI handler checks whether gnvs has a
29 * valid pointer before calling the trap handler
31 extern global_nvs_t *gnvs;
33 int mainboard_io_trap_handler(int smif)
37 printk(BIOS_DEBUG, "Sample\n");
44 /* On success, the IO Trap Handler returns 0
45 * On failure, the IO Trap Handler returns a value != 0
47 * For now, we force the return value to 0 and log all traps to
48 * see what's going on.