| # |
| # TPM subsystem configuration |
| # |
| |
| menu "TPM support" |
| |
| comment "Please select only one TPM revision" |
| depends on TPM_V1 && TPM_V2 |
| |
| config TPM_V1 |
| bool "TPMv1.x support" |
| depends on TPM |
| default y |
| help |
| Major TPM versions are not compatible at all, choose either |
| one or the other. This option enables TPMv1.x drivers/commands. |
| |
| if TPM_V1 && !TPM_V2 |
| |
| config TPM_TIS_SANDBOX |
| bool "Enable sandbox TPM driver" |
| depends on TPM_V1 && SANDBOX |
| help |
| This driver emulates a TPM, providing access to base functions |
| such as reading and writing TPM private data. This is enough to |
| support Chrome OS verified boot. Extend functionality is not |
| implemented. |
| |
| config TPM_ATMEL_TWI |
| bool "Enable Atmel TWI TPM device driver" |
| depends on TPM_V1 |
| help |
| This driver supports an Atmel TPM device connected on the I2C bus. |
| The usual tpm operations and the 'tpm' command can be used to talk |
| to the device using the standard TPM Interface Specification (TIS) |
| protocol |
| |
| config TPM_TIS_INFINEON |
| bool "Enable support for Infineon SLB9635/45 TPMs on I2C" |
| depends on TPM_V1 && DM_I2C |
| help |
| This driver supports Infineon TPM devices connected on the I2C bus. |
| The usual tpm operations and the 'tpm' command can be used to talk |
| to the device using the standard TPM Interface Specification (TIS) |
| protocol |
| |
| config TPM_TIS_I2C_BURST_LIMITATION |
| bool "Enable I2C burst length limitation" |
| depends on TPM_TIS_INFINEON |
| help |
| Some broken TPMs have a limitation on the number of bytes they can |
| receive in one message. Enable this option to allow you to set this |
| option. The can allow a broken TPM to be used by splitting messages |
| into separate pieces. |
| |
| config TPM_TIS_I2C_BURST_LIMITATION_LEN |
| int "Length" |
| depends on TPM_TIS_I2C_BURST_LIMITATION |
| help |
| Use this to set the burst limitation length |
| |
| config TPM_TIS_LPC |
| bool "Enable support for Infineon SLB9635/45 TPMs on LPC" |
| depends on TPM_V1 && X86 |
| select TPM_DRIVER_SELECTED |
| help |
| This driver supports Infineon TPM devices connected on the LPC bus. |
| The usual tpm operations and the 'tpm' command can be used to talk |
| to the device using the standard TPM Interface Specification (TIS) |
| protocol |
| |
| config TPM_AUTH_SESSIONS |
| bool "Enable TPM authentication session support" |
| depends on TPM_V1 |
| help |
| Enable support for authorised (AUTH1) commands as specified in the |
| TCG Main Specification 1.2. OIAP-authorised versions of the commands |
| TPM_LoadKey2 and TPM_GetPubKey are provided. Both features are |
| available using the 'tpm' command, too. |
| |
| config TPM_ST33ZP24_I2C |
| bool "STMicroelectronics ST33ZP24 I2C TPM" |
| depends on TPM_V1 && DM_I2C |
| ---help--- |
| This driver supports STMicroelectronics TPM devices connected on the I2C bus. |
| The usual tpm operations and the 'tpm' command can be used to talk |
| to the device using the standard TPM Interface Specification (TIS) |
| protocol |
| |
| config TPM_ST33ZP24_SPI |
| bool "STMicroelectronics ST33ZP24 SPI TPM" |
| depends on TPM_V1 && DM_SPI |
| ---help--- |
| This driver supports STMicroelectronics TPM devices connected on the SPI bus. |
| The usual tpm operations and the 'tpm' command can be used to talk |
| to the device using the standard TPM Interface Specification (TIS) |
| protocol |
| |
| config TPM_FLUSH_RESOURCES |
| bool "Enable TPM resource flushing support" |
| depends on TPM_V1 |
| help |
| Enable support to flush specific resources (e.g. keys) from the TPM. |
| The functionality is available via the 'tpm' command as well. |
| |
| config TPM_LOAD_KEY_BY_SHA1 |
| bool "Enable TPM key loading by SHA1 support" |
| depends on TPM_V1 |
| help |
| Enable support to load keys into the TPM by identifying |
| their parent via the public key's SHA1 hash. |
| The functionality is available via the 'tpm' command as well. |
| |
| config TPM_LIST_RESOURCES |
| bool "Enable TPM resource listing support" |
| depends on TPM_V1 |
| help |
| Enable support to list specific resources (e.g. keys) within the TPM. |
| The functionality is available via the 'tpm' command as well. |
| |
| endif # TPM_V1 |
| |
| config TPM_V2 |
| bool "TPMv2.x support" |
| depends on TPM |
| help |
| Major TPM versions are not compatible at all, choose either |
| one or the other. This option enables TPMv2.x drivers/commands. |
| |
| if TPM_V2 && !TPM_V1 |
| |
| config TPM2_TIS_SPI |
| bool "Enable support for TPMv2.x SPI chips" |
| depends on TPM_V2 && DM_SPI |
| select TPM_DRIVER_SELECTED |
| help |
| This driver supports TPMv2.x devices connected on the SPI bus. |
| The usual TPM operations and the 'tpm' command can be used to talk |
| to the device using the standard TPM Interface Specification (TIS) |
| protocol. |
| |
| endif # TPM_V2 |
| |
| endmenu |