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/*
* 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/ibexpeak/nvs.h>
#include <southbridge/intel/ibexpeak/pch.h>
#include <southbridge/intel/ibexpeak/me.h>
#include <northbridge/intel/nehalem/nehalem.h>
#include <cpu/intel/model_2065x/model_2065x.h>
#include <ec/acpi/ec.h>
#include <delay.h>
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;
}
void mainboard_smi_gpi(u32 gpi_sts)
{
}
static int mainboard_finalized = 0;
int mainboard_smi_apmc(u8 data)
{
u8 tmp;
switch (data) {
case APM_CNT_FINALIZE:
printk(BIOS_DEBUG, "APMC: FINALIZE\n");
if (mainboard_finalized) {
printk(BIOS_DEBUG, "APMC#: Already finalized\n");
return 0;
}
intel_me_finalize_smm();
intel_pch_finalize_smm();
intel_nehalem_finalize_smm();
intel_model_2065x_finalize_smm();
mainboard_finalized = 1;
break;
case APM_CNT_ACPI_ENABLE:
tmp = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xbb);
tmp &= ~0x03;
tmp |= 0x02;
pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xbb, tmp);
break;
case APM_CNT_ACPI_DISABLE:
tmp = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xbb);
tmp &= ~0x03;
tmp |= 0x01;
pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xbb, tmp);
break;
default:
break;
}
return 0;
}
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