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/*
* Copyright (C) 2016-2017 Intel Corporation
*
* 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; either version 2 of
* the License, or (at your option) any later version.
*
* 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 <bootmode.h>
#include <device/i2c_simple.h>
#include <soc/i2c.h>
#include <soc/reg_access.h>
#include <spi_flash.h>
#include <security/vboot/vboot_common.h>
#include <security/vboot/vbnv.h>
#include "reg_access.h"
#include "gen1.h"
#include "gen2.h"
int get_recovery_mode_switch(void)
{
return 0;
}
int get_write_protect_state(void)
{
/* Not write protected */
return 0;
}
void verstage_mainboard_init(void)
{
const struct reg_script *script;
/* Crypto Shield I2C Addresses:
*
* 0x29: AT97S3204T - TPM 1.2
* 0x50: ATAES132 - AES-128
* 0x60: ATECC108 - Elliptical Curve
* 0x64: ATSHA204 - SHA-256
* 0x68: DS3231M - RTC
*/
/* Determine the correct script for the board */
if (CONFIG(GALILEO_GEN2))
script = gen2_i2c_init;
else
/* Determine which I2C address is in use */
script = (reg_legacy_gpio_read (R_QNC_GPIO_RGLVL_RESUME_WELL)
& GALILEO_DETERMINE_IOEXP_SLA_RESUMEWELL_GPIO)
? gen1_i2c_0x20_init : gen1_i2c_0x21_init;
/* Direct the I2C SDA and SCL signals to the Arduino connector */
reg_script_run(script);
}
void __weak vboot_platform_prepare_reboot(void)
{
const struct reg_script *script;
/* Crypto Shield I2C Addresses:
*
* 0x29: AT97S3204T - TPM 1.2
* 0x50: ATAES132 - AES-128
* 0x60: ATECC108 - Elliptical Curve
* 0x64: ATSHA204 - SHA-256
* 0x68: DS3231M - RTC
*/
/* Determine the correct script for the board */
if (CONFIG(GALILEO_GEN2))
script = gen2_tpm_reset;
else
/* Determine which I2C address is in use */
script = (reg_legacy_gpio_read (R_QNC_GPIO_RGLVL_RESUME_WELL)
& GALILEO_DETERMINE_IOEXP_SLA_RESUMEWELL_GPIO)
? gen1_tpm_reset_0x20 : gen1_tpm_reset_0x21;
/* Reset the TPM */
reg_script_run(script);
}
int vbnv_cmos_failed(void)
{
/* Indicate no failure until RTC failure bits are supported. */
return 0;
}
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