1 # 2 # TPM subsystem configuration 3 # 4 5 menu "TPM support" 6 7 comment "Please select only one TPM revision" 8 depends on TPM_V1 && TPM_V2 9 10 config TPM_V1 11 bool "TPMv1.x support" 12 depends on TPM 13 default y 14 help 15 Major TPM versions are not compatible at all, choose either 16 one or the other. This option enables TPMv1.x drivers/commands. 17 18 if TPM_V1 && !TPM_V2 19 20 config TPM_TIS_SANDBOX 21 bool "Enable sandbox TPM driver" 22 depends on TPM_V1 && SANDBOX 23 help 24 This driver emulates a TPMv1.x, providing access to base functions 25 such as reading and writing TPM private data. This is enough to 26 support Chrome OS verified boot. Extend functionality is not 27 implemented. 28 29 config TPM_ATMEL_TWI 30 bool "Enable Atmel TWI TPM device driver" 31 depends on TPM_V1 32 help 33 This driver supports an Atmel TPM device connected on the I2C bus. 34 The usual tpm operations and the 'tpm' command can be used to talk 35 to the device using the standard TPM Interface Specification (TIS) 36 protocol 37 38 config TPM_TIS_INFINEON 39 bool "Enable support for Infineon SLB9635/45 TPMs on I2C" 40 depends on TPM_V1 && DM_I2C 41 help 42 This driver supports Infineon TPM devices connected on the I2C bus. 43 The usual tpm operations and the 'tpm' command can be used to talk 44 to the device using the standard TPM Interface Specification (TIS) 45 protocol 46 47 config TPM_TIS_I2C_BURST_LIMITATION 48 bool "Enable I2C burst length limitation" 49 depends on TPM_TIS_INFINEON 50 help 51 Some broken TPMs have a limitation on the number of bytes they can 52 receive in one message. Enable this option to allow you to set this 53 option. The can allow a broken TPM to be used by splitting messages 54 into separate pieces. 55 56 config TPM_TIS_I2C_BURST_LIMITATION_LEN 57 int "Length" 58 depends on TPM_TIS_I2C_BURST_LIMITATION 59 help 60 Use this to set the burst limitation length 61 62 config TPM_TIS_LPC 63 bool "Enable support for Infineon SLB9635/45 TPMs on LPC" 64 depends on TPM_V1 && X86 65 select TPM_DRIVER_SELECTED 66 help 67 This driver supports Infineon TPM devices connected on the LPC bus. 68 The usual tpm operations and the 'tpm' command can be used to talk 69 to the device using the standard TPM Interface Specification (TIS) 70 protocol 71 72 config TPM_AUTH_SESSIONS 73 bool "Enable TPM authentication session support" 74 depends on TPM_V1 75 help 76 Enable support for authorised (AUTH1) commands as specified in the 77 TCG Main Specification 1.2. OIAP-authorised versions of the commands 78 TPM_LoadKey2 and TPM_GetPubKey are provided. Both features are 79 available using the 'tpm' command, too. 80 81 config TPM_ST33ZP24_I2C 82 bool "STMicroelectronics ST33ZP24 I2C TPM" 83 depends on TPM_V1 && DM_I2C 84 ---help--- 85 This driver supports STMicroelectronics TPM devices connected on the I2C bus. 86 The usual tpm operations and the 'tpm' command can be used to talk 87 to the device using the standard TPM Interface Specification (TIS) 88 protocol 89 90 config TPM_ST33ZP24_SPI 91 bool "STMicroelectronics ST33ZP24 SPI TPM" 92 depends on TPM_V1 && DM_SPI 93 ---help--- 94 This driver supports STMicroelectronics TPM devices connected on the SPI bus. 95 The usual tpm operations and the 'tpm' command can be used to talk 96 to the device using the standard TPM Interface Specification (TIS) 97 protocol 98 99 config TPM_FLUSH_RESOURCES 100 bool "Enable TPM resource flushing support" 101 depends on TPM_V1 102 help 103 Enable support to flush specific resources (e.g. keys) from the TPM. 104 The functionality is available via the 'tpm' command as well. 105 106 config TPM_LOAD_KEY_BY_SHA1 107 bool "Enable TPM key loading by SHA1 support" 108 depends on TPM_V1 109 help 110 Enable support to load keys into the TPM by identifying 111 their parent via the public key's SHA1 hash. 112 The functionality is available via the 'tpm' command as well. 113 114 config TPM_LIST_RESOURCES 115 bool "Enable TPM resource listing support" 116 depends on TPM_V1 117 help 118 Enable support to list specific resources (e.g. keys) within the TPM. 119 The functionality is available via the 'tpm' command as well. 120 121 endif # TPM_V1 122 123 config TPM_V2 124 bool "TPMv2.x support" 125 depends on TPM 126 help 127 Major TPM versions are not compatible at all, choose either 128 one or the other. This option enables TPMv2.x drivers/commands. 129 130 if TPM_V2 && !TPM_V1 131 132 config TPM2_TIS_SANDBOX 133 bool "Enable sandbox TPMv2.x driver" 134 depends on TPM_V2 && SANDBOX 135 select TPM_DRIVER_SELECTED 136 help 137 This driver emulates a TPMv2.x, providing access to base functions 138 such as basic configuration, PCR extension and PCR read. Extended 139 functionalities are not implemented. 140 141 config TPM2_TIS_SPI 142 bool "Enable support for TPMv2.x SPI chips" 143 depends on TPM_V2 && DM_SPI 144 select TPM_DRIVER_SELECTED 145 help 146 This driver supports TPMv2.x devices connected on the SPI bus. 147 The usual TPM operations and the 'tpm' command can be used to talk 148 to the device using the standard TPM Interface Specification (TIS) 149 protocol. 150 151 endif # TPM_V2 152 153 endmenu 154