/* * This file is part of the coreboot project. * * Copyright (C) 2008-2009 coresystems GmbH * Copyright 2013 Google Inc. * * 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. */ #include <arch/io.h> #include <console/console.h> #include <cpu/x86/smm.h> #include <soc/pm.h> #include <soc/smm.h> #include <elog.h> #include <ec/google/chromeec/ec.h> #include <soc/gpio.h> #include <soc/iomap.h> #include <soc/nvs.h> #include <soc/pm.h> #include <soc/smm.h> #include "ec.h" #include "gpio.h" int mainboard_io_trap_handler(int smif) { switch (smif) { case 0x99: printk(BIOS_DEBUG, "Sample\n"); smm_get_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. */ //smm_get_gnvs()->smif = 0; return 1; }