| # |
| # TPM subsystem configuration |
| # |
| |
| menu "TPM support" |
| |
| config TPM_TIS_SANDBOX |
| bool "Enable sandbox TPM driver" |
| depends on 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 && DM_I2C |
| 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 && 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 && X86 |
| 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_AUTH_SESSIONS |
| bool "Enable TPM authentication session support" |
| depends on TPM |
| 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. |
| |
| endmenu |
