| # | |
| # 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 |