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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.
*
* 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 <arch/romcc_io.h>
#include <console/console.h>
#include <cpu/x86/smm.h>
#include <southbridge/intel/bd82x6x/nvs.h>
#include <southbridge/intel/bd82x6x/pch.h>
#include <southbridge/intel/bd82x6x/me.h>
#include <northbridge/intel/sandybridge/sandybridge.h>
#include <cpu/intel/model_206ax/model_206ax.h>
/* Include romstage serial for SIO helper functions */
#include <superio/ite/it8772f/early_serial.c>
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.
*/
//gnvs->smif = 0;
return 1;
}
/*
* Change LED_POWER# (SIO GPIO 45) state based on sleep type.
* The IO address is hardcoded as we don't have device path in SMM.
*/
#define SIO_GPIO_BASE_SET4 (0x730 + 3)
#define SIO_GPIO_BLINK_GPIO45 0x25
void mainboard_smi_sleep(u8 slp_typ)
{
u8 reg8;
switch (slp_typ) {
case SLP_TYP_S3:
case SLP_TYP_S4:
/* Blink LED */
it8772f_enter_conf();
it8772f_sio_write(IT8772F_CONFIG_REG_LDN, IT8772F_GPIO);
/* Enable blink pin map */
it8772f_sio_write(IT8772F_GPIO_LED_BLINK1_PINMAP,
SIO_GPIO_BLINK_GPIO45);
/* Enable 4HZ blink */
it8772f_sio_write(IT8772F_GPIO_LED_BLINK1_CONTROL, 0x02);
/* Set GPIO to alternate function */
reg8 = it8772f_sio_read(GPIO_REG_ENABLE(3));
reg8 &= ~(1 << 5);
it8772f_sio_write(GPIO_REG_ENABLE(3), reg8);
it8772f_exit_conf();
break;
case SLP_TYP_S5:
/* Turn off LED */
reg8 = inb(SIO_GPIO_BASE_SET4);
reg8 |= (1 << 5);
outb(reg8, SIO_GPIO_BASE_SET4);
break;
}
}
#define APMC_FINALIZE 0xcb
static int mainboard_finalized = 0;
int mainboard_smi_apmc(u8 apmc)
{
switch (apmc) {
case APMC_FINALIZE:
if (mainboard_finalized) {
printk(BIOS_DEBUG, "SMI#: Already finalized\n");
return 0;
}
intel_me_finalize_smm();
intel_pch_finalize_smm();
intel_sandybridge_finalize_smm();
intel_model_206ax_finalize_smm();
mainboard_finalized = 1;
break;
}
return 0;
}
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