| /* |
| * 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. |
| */ |
| |
| #include <console/console.h> |
| #include <cpu/x86/smm.h> |
| #include <southbridge/intel/i82801gx/nvs.h> |
| #include <southbridge/intel/common/pmutil.h> |
| |
| #define GPE_EC_SCI 12 |
| |
| static void mainboard_smm_init(void) |
| { |
| printk(BIOS_DEBUG, "initializing SMI\n"); |
| } |
| |
| int mainboard_io_trap_handler(int smif) |
| { |
| static int smm_initialized; |
| |
| if (!smm_initialized) { |
| mainboard_smm_init(); |
| smm_initialized = 1; |
| } |
| |
| switch (smif) { |
| default: |
| return 0; |
| } |
| |
| /* On success, the IO Trap Handler returns 1 |
| * On failure, the IO Trap Handler returns a value != 1 */ |
| return 1; |
| } |
| |
| int mainboard_smi_apmc(u8 data) |
| { |
| switch (data) { |
| case APM_CNT_ACPI_ENABLE: |
| /* route H8SCI to SCI */ |
| gpi_route_interrupt(GPE_EC_SCI, GPI_IS_SCI); |
| break; |
| case APM_CNT_ACPI_DISABLE: |
| /* route H8SCI# to SMI */ |
| gpi_route_interrupt(GPE_EC_SCI, GPI_IS_SMI); |
| break; |
| default: |
| break; |
| } |
| return 0; |
| } |