72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
|
/*
|
||
|
* This file is part of the coreboot project.
|
||
|
*
|
||
|
* Copyright (C) 2008-2009 coresystems GmbH
|
||
|
* Copyright (C) 2016 Intel Corp.
|
||
|
*
|
||
|
* 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 <arch/acpi.h>
|
||
|
#include <arch/io.h>
|
||
|
#include <console/console.h>
|
||
|
#include <cpu/x86/smm.h>
|
||
|
#include <elog.h>
|
||
|
#include <ec/google/chromeec/smm.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.
|
||
|
*/
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
void mainboard_smi_gpi_handler(const struct gpi_status *sts)
|
||
|
{
|
||
|
if (IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC))
|
||
|
if (gpi_status_get(sts, EC_SMI_GPI))
|
||
|
chromeec_smi_process_events();
|
||
|
}
|
||
|
|
||
|
void mainboard_smi_sleep(u8 slp_typ)
|
||
|
{
|
||
|
if (IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC))
|
||
|
if (IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC))
|
||
|
chromeec_smi_sleep(slp_typ, MAINBOARD_EC_S3_WAKE_EVENTS,
|
||
|
MAINBOARD_EC_S5_WAKE_EVENTS);
|
||
|
}
|
||
|
|
||
|
int mainboard_smi_apmc(u8 apmc)
|
||
|
{
|
||
|
if (IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC))
|
||
|
chromeec_smi_apmc(apmc, MAINBOARD_EC_SCI_EVENTS,
|
||
|
MAINBOARD_EC_SMI_EVENTS);
|
||
|
return 0;
|
||
|
}
|