1*4882a593Smuzhiyun# 2*4882a593Smuzhiyun# TPM subsystem configuration 3*4882a593Smuzhiyun# 4*4882a593Smuzhiyun 5*4882a593Smuzhiyunmenu "TPM support" 6*4882a593Smuzhiyun 7*4882a593Smuzhiyunconfig TPM_TIS_SANDBOX 8*4882a593Smuzhiyun bool "Enable sandbox TPM driver" 9*4882a593Smuzhiyun depends on SANDBOX 10*4882a593Smuzhiyun help 11*4882a593Smuzhiyun This driver emulates a TPM, providing access to base functions 12*4882a593Smuzhiyun such as reading and writing TPM private data. This is enough to 13*4882a593Smuzhiyun support Chrome OS verified boot. Extend functionality is not 14*4882a593Smuzhiyun implemented. 15*4882a593Smuzhiyun 16*4882a593Smuzhiyunconfig TPM_ATMEL_TWI 17*4882a593Smuzhiyun bool "Enable Atmel TWI TPM device driver" 18*4882a593Smuzhiyun depends on TPM 19*4882a593Smuzhiyun help 20*4882a593Smuzhiyun This driver supports an Atmel TPM device connected on the I2C bus. 21*4882a593Smuzhiyun The usual tpm operations and the 'tpm' command can be used to talk 22*4882a593Smuzhiyun to the device using the standard TPM Interface Specification (TIS) 23*4882a593Smuzhiyun protocol 24*4882a593Smuzhiyun 25*4882a593Smuzhiyunconfig TPM_TIS_INFINEON 26*4882a593Smuzhiyun bool "Enable support for Infineon SLB9635/45 TPMs on I2C" 27*4882a593Smuzhiyun depends on TPM && DM_I2C 28*4882a593Smuzhiyun help 29*4882a593Smuzhiyun This driver supports Infineon TPM devices connected on the I2C bus. 30*4882a593Smuzhiyun The usual tpm operations and the 'tpm' command can be used to talk 31*4882a593Smuzhiyun to the device using the standard TPM Interface Specification (TIS) 32*4882a593Smuzhiyun protocol 33*4882a593Smuzhiyun 34*4882a593Smuzhiyunconfig TPM_TIS_I2C_BURST_LIMITATION 35*4882a593Smuzhiyun bool "Enable I2C burst length limitation" 36*4882a593Smuzhiyun depends on TPM_TIS_INFINEON 37*4882a593Smuzhiyun help 38*4882a593Smuzhiyun Some broken TPMs have a limitation on the number of bytes they can 39*4882a593Smuzhiyun receive in one message. Enable this option to allow you to set this 40*4882a593Smuzhiyun option. The can allow a broken TPM to be used by splitting messages 41*4882a593Smuzhiyun into separate pieces. 42*4882a593Smuzhiyun 43*4882a593Smuzhiyunconfig TPM_TIS_I2C_BURST_LIMITATION_LEN 44*4882a593Smuzhiyun int "Length" 45*4882a593Smuzhiyun depends on TPM_TIS_I2C_BURST_LIMITATION 46*4882a593Smuzhiyun help 47*4882a593Smuzhiyun Use this to set the burst limitation length 48*4882a593Smuzhiyun 49*4882a593Smuzhiyunconfig TPM_TIS_LPC 50*4882a593Smuzhiyun bool "Enable support for Infineon SLB9635/45 TPMs on LPC" 51*4882a593Smuzhiyun depends on TPM && X86 52*4882a593Smuzhiyun help 53*4882a593Smuzhiyun This driver supports Infineon TPM devices connected on the LPC bus. 54*4882a593Smuzhiyun The usual tpm operations and the 'tpm' command can be used to talk 55*4882a593Smuzhiyun to the device using the standard TPM Interface Specification (TIS) 56*4882a593Smuzhiyun protocol 57*4882a593Smuzhiyun 58*4882a593Smuzhiyunconfig TPM_AUTH_SESSIONS 59*4882a593Smuzhiyun bool "Enable TPM authentication session support" 60*4882a593Smuzhiyun depends on TPM 61*4882a593Smuzhiyun help 62*4882a593Smuzhiyun Enable support for authorised (AUTH1) commands as specified in the 63*4882a593Smuzhiyun TCG Main Specification 1.2. OIAP-authorised versions of the commands 64*4882a593Smuzhiyun TPM_LoadKey2 and TPM_GetPubKey are provided. Both features are 65*4882a593Smuzhiyun available using the 'tpm' command, too. 66*4882a593Smuzhiyun 67*4882a593Smuzhiyunconfig TPM_ST33ZP24_I2C 68*4882a593Smuzhiyun bool "STMicroelectronics ST33ZP24 I2C TPM" 69*4882a593Smuzhiyun depends on TPM && DM_I2C 70*4882a593Smuzhiyun ---help--- 71*4882a593Smuzhiyun This driver supports STMicroelectronics TPM devices connected on the I2C bus. 72*4882a593Smuzhiyun The usual tpm operations and the 'tpm' command can be used to talk 73*4882a593Smuzhiyun to the device using the standard TPM Interface Specification (TIS) 74*4882a593Smuzhiyun protocol 75*4882a593Smuzhiyun 76*4882a593Smuzhiyunconfig TPM_ST33ZP24_SPI 77*4882a593Smuzhiyun bool "STMicroelectronics ST33ZP24 SPI TPM" 78*4882a593Smuzhiyun depends on TPM && DM_SPI 79*4882a593Smuzhiyun ---help--- 80*4882a593Smuzhiyun This driver supports STMicroelectronics TPM devices connected on the SPI bus. 81*4882a593Smuzhiyun The usual tpm operations and the 'tpm' command can be used to talk 82*4882a593Smuzhiyun to the device using the standard TPM Interface Specification (TIS) 83*4882a593Smuzhiyun protocol 84*4882a593Smuzhiyun 85*4882a593Smuzhiyunconfig TPM_FLUSH_RESOURCES 86*4882a593Smuzhiyun bool "Enable TPM resource flushing support" 87*4882a593Smuzhiyun depends on TPM 88*4882a593Smuzhiyun help 89*4882a593Smuzhiyun Enable support to flush specific resources (e.g. keys) from the TPM. 90*4882a593Smuzhiyun The functionality is available via the 'tpm' command as well. 91*4882a593Smuzhiyun 92*4882a593Smuzhiyunconfig TPM_LOAD_KEY_BY_SHA1 93*4882a593Smuzhiyun bool "Enable TPM key loading by SHA1 support" 94*4882a593Smuzhiyun depends on TPM 95*4882a593Smuzhiyun help 96*4882a593Smuzhiyun Enable support to load keys into the TPM by identifying 97*4882a593Smuzhiyun their parent via the public key's SHA1 hash. 98*4882a593Smuzhiyun The functionality is available via the 'tpm' command as well. 99*4882a593Smuzhiyun 100*4882a593Smuzhiyunconfig TPM_LIST_RESOURCES 101*4882a593Smuzhiyun bool "Enable TPM resource listing support" 102*4882a593Smuzhiyun depends on TPM 103*4882a593Smuzhiyun help 104*4882a593Smuzhiyun Enable support to list specific resources (e.g. keys) within the TPM. 105*4882a593Smuzhiyun The functionality is available via the 'tpm' command as well. 106*4882a593Smuzhiyunendmenu 107