| ## 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) |