1# 2# TPM subsystem configuration 3# 4 5menu "TPM support" 6 7config TPM_V1 8 bool "TPMv1.x support" 9 depends on TPM 10 default y 11 help 12 Major TPM versions are not compatible at all, choose either 13 one or the other. This option enables TPMv1.x drivers/commands. 14 15if TPM_V1 16 17config TPM_TIS_SANDBOX 18 bool "Enable sandbox TPM driver" 19 depends on TPM_V1 && SANDBOX 20 default y 21 help 22 This driver emulates a TPMv1.x, providing access to base functions 23 such as reading and writing TPM private data. This is enough to 24 support Chrome OS verified boot. Extend functionality is not 25 implemented. 26 27config TPM_ATMEL_TWI 28 bool "Enable Atmel TWI TPM device driver" 29 depends on TPM_V1 30 help 31 This driver supports an Atmel TPM device connected on the I2C bus. 32 The usual tpm operations and the 'tpm' command can be used to talk 33 to the device using the standard TPM Interface Specification (TIS) 34 protocol 35 36config TPM_TIS_INFINEON 37 bool "Enable support for Infineon SLB9635/45 TPMs on I2C" 38 depends on TPM_V1 && DM_I2C 39 help 40 This driver supports Infineon TPM devices connected on the I2C bus. 41 The usual tpm operations and the 'tpm' command can be used to talk 42 to the device using the standard TPM Interface Specification (TIS) 43 protocol 44 45config TPM_TIS_I2C_BURST_LIMITATION 46 bool "Enable I2C burst length limitation" 47 depends on TPM_TIS_INFINEON 48 help 49 Some broken TPMs have a limitation on the number of bytes they can 50 receive in one message. Enable this option to allow you to set this 51 option. The can allow a broken TPM to be used by splitting messages 52 into separate pieces. 53 54config TPM_TIS_I2C_BURST_LIMITATION_LEN 55 int "Length" 56 depends on TPM_TIS_I2C_BURST_LIMITATION 57 help 58 Use this to set the burst limitation length 59 60config TPM_TIS_LPC 61 bool "Enable support for Infineon SLB9635/45 TPMs on LPC" 62 depends on TPM_V1 && X86 63 help 64 This driver supports Infineon TPM devices connected on the LPC bus. 65 The usual tpm operations and the 'tpm' command can be used to talk 66 to the device using the standard TPM Interface Specification (TIS) 67 protocol 68 69config TPM_AUTH_SESSIONS 70 bool "Enable TPM authentication session support" 71 depends on TPM_V1 72 help 73 Enable support for authorised (AUTH1) commands as specified in the 74 TCG Main Specification 1.2. OIAP-authorised versions of the commands 75 TPM_LoadKey2 and TPM_GetPubKey are provided. Both features are 76 available using the 'tpm' command, too. 77 78config TPM_ST33ZP24_I2C 79 bool "STMicroelectronics ST33ZP24 I2C TPM" 80 depends on TPM_V1 && DM_I2C 81 ---help--- 82 This driver supports STMicroelectronics TPM devices connected on the I2C bus. 83 The usual tpm operations and the 'tpm' command can be used to talk 84 to the device using the standard TPM Interface Specification (TIS) 85 protocol 86 87config TPM_ST33ZP24_SPI 88 bool "STMicroelectronics ST33ZP24 SPI TPM" 89 depends on TPM_V1 && DM_SPI 90 ---help--- 91 This driver supports STMicroelectronics TPM devices connected on the SPI bus. 92 The usual tpm operations and the 'tpm' command can be used to talk 93 to the device using the standard TPM Interface Specification (TIS) 94 protocol 95 96config TPM_FLUSH_RESOURCES 97 bool "Enable TPM resource flushing support" 98 depends on TPM_V1 99 help 100 Enable support to flush specific resources (e.g. keys) from the TPM. 101 The functionality is available via the 'tpm' command as well. 102 103config TPM_LOAD_KEY_BY_SHA1 104 bool "Enable TPM key loading by SHA1 support" 105 depends on TPM_V1 106 help 107 Enable support to load keys into the TPM by identifying 108 their parent via the public key's SHA1 hash. 109 The functionality is available via the 'tpm' command as well. 110 111config TPM_LIST_RESOURCES 112 bool "Enable TPM resource listing support" 113 depends on TPM_V1 114 help 115 Enable support to list specific resources (e.g. keys) within the TPM. 116 The functionality is available via the 'tpm' command as well. 117 118endif # TPM_V1 119 120config TPM_V2 121 bool "TPMv2.x support" 122 depends on TPM 123 default y 124 help 125 Major TPM versions are not compatible at all, choose either 126 one or the other. This option enables TPMv2.x drivers/commands. 127 128if TPM_V2 129 130config TPM2_TIS_SANDBOX 131 bool "Enable sandbox TPMv2.x driver" 132 depends on TPM_V2 && SANDBOX 133 default y 134 help 135 This driver emulates a TPMv2.x, providing access to base functions 136 such as basic configuration, PCR extension and PCR read. Extended 137 functionalities are not implemented. 138 139config TPM2_TIS_SPI 140 bool "Enable support for TPMv2.x SPI chips" 141 depends on TPM_V2 && DM_SPI 142 help 143 This driver supports TPMv2.x devices connected on the SPI bus. 144 The usual TPM operations and the 'tpm' command can be used to talk 145 to the device using the standard TPM Interface Specification (TIS) 146 protocol. 147 148config TPM2_TIS_I2C 149 bool "Enable support for TPMv2.x I2C chips" 150 depends on TPM_V2 && DM_I2C 151 help 152 This driver supports TPMv2.x devices connected on the I2C bus. 153 The usual TPM operations and the 'tpm' command can be used to talk 154 to the device using the standard TPM Interface Specification (TIS) 155 protocol. 156 157endif # TPM_V2 158 159endmenu 160