blob: 111f91a5c10854df59c2de4047eafd0874af9041 [file] [log] [blame]
## This file is part of the coreboot project.
##
## Copyright (C) 2017 Philipp Deppenwiese, Facebook, Inc.
##
## 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.
##
menu "Trusted Platform Module"
config TPM
bool
default n
select LPC_TPM if MAINBOARD_HAS_LPC_TPM
select I2C_TPM if !MAINBOARD_HAS_LPC_TPM && !SPI_TPM
help
Enable this option to enable TPM support in coreboot.
If unsure, say N.
config TPM2
bool
select LPC_TPM if MAINBOARD_HAS_LPC_TPM
select I2C_TPM if !MAINBOARD_HAS_LPC_TPM && !SPI_TPM
help
Enable this option to enable TPM2 support in coreboot.
If unsure, say N.
config DEBUG_TPM
bool "Output verbose TPM debug messages"
default n
depends on TPM || TPM2
help
This option enables additional TPM related debug messages.
config MAINBOARD_HAS_TPM_CR50
bool
default y if MAINBOARD_HAS_SPI_TPM_CR50 || MAINBOARD_HAS_I2C_TPM_CR50
default n
select MAINBOARD_HAS_TPM2
select POWER_OFF_ON_CR50_UPDATE if ARCH_X86
config POWER_OFF_ON_CR50_UPDATE
bool
help
Power off machine while waiting for CR50 update to take effect.
config MAINBOARD_HAS_LPC_TPM
bool
default n
help
Board has TPM support
config MAINBOARD_HAS_TPM2
bool
default n
help
There is a TPM device installed on the mainboard, and it is
compliant with version 2 TCG TPM specification. Could be connected
over LPC, SPI or I2C.
endmenu # Trusted Platform Module (tpm)