diff options
Diffstat (limited to 'src/security/tpm/Kconfig')
| -rw-r--r-- | src/security/tpm/Kconfig | 68 |
1 files changed, 29 insertions, 39 deletions
diff --git a/src/security/tpm/Kconfig b/src/security/tpm/Kconfig index 96ab2e658ff5..e228a3d43543 100644 --- a/src/security/tpm/Kconfig +++ b/src/security/tpm/Kconfig @@ -4,22 +4,42 @@ source "src/security/tpm/tss/vendor/cr50/Kconfig" menu "Trusted Platform Module" +choice + prompt "Trusted Platform Module" + default TPM2 if MAINBOARD_HAS_TPM2 + default TPM1 if MAINBOARD_HAS_TPM1 + default NO_TPM + +config NO_TPM + bool "No TPM" + help + No TPM support. Select this option if your system doesn't have a TPM, + or if you don't want coreboot to communicate with your TPM in any way. + (If your board doesn't offer a TPM interface, this will be the only + possible option.) + config TPM1 - bool - default y if MAINBOARD_HAS_TPM1 || USER_TPM1 + bool "TPM 1.2" depends on MAINBOARD_HAS_LPC_TPM || \ MAINBOARD_HAS_I2C_TPM_GENERIC || \ MAINBOARD_HAS_I2C_TPM_ATMEL + depends on !MAINBOARD_HAS_TPM2 + help + Select this option if your TPM uses the older TPM 1.2 protocol. config TPM2 - bool - default y if MAINBOARD_HAS_TPM2 || USER_TPM2 + bool "TPM 2.0" depends on MAINBOARD_HAS_I2C_TPM_GENERIC || \ MAINBOARD_HAS_LPC_TPM || \ MAINBOARD_HAS_I2C_TPM_ATMEL || \ MAINBOARD_HAS_I2C_TPM_CR50 || \ MAINBOARD_HAS_SPI_TPM || \ MAINBOARD_HAS_CRB_TPM + depends on !MAINBOARD_HAS_TPM1 + help + Select this option if your TPM uses the newer TPM 2.0 protocol. + +endchoice config TPM bool @@ -28,45 +48,15 @@ config TPM config MAINBOARD_HAS_TPM1 bool + help + This option can be selected by a mainboard to represent that its TPM + always uses the 1.2 protocol, and that it should be on by default. config MAINBOARD_HAS_TPM2 bool - -if !MAINBOARD_HAS_TPM1 && !MAINBOARD_HAS_TPM2 - -choice - prompt "Trusted Platform Module" - default USER_NO_TPM - -config USER_NO_TPM - bool "disabled" - -config USER_TPM1 - bool "1.2" - depends on MAINBOARD_HAS_LPC_TPM || \ - MAINBOARD_HAS_I2C_TPM_GENERIC || \ - MAINBOARD_HAS_I2C_TPM_ATMEL help - Enable this option to enable TPM 1.0 - 1.2 support in coreboot. - - If unsure, say N. - -config USER_TPM2 - bool "2.0" - depends on MAINBOARD_HAS_I2C_TPM_GENERIC || \ - MAINBOARD_HAS_LPC_TPM || \ - MAINBOARD_HAS_I2C_TPM_ATMEL || \ - MAINBOARD_HAS_I2C_TPM_CR50 || \ - MAINBOARD_HAS_SPI_TPM || \ - MAINBOARD_HAS_CRB_TPM - help - Enable this option to enable TPM 2.0 support in coreboot. - - If unsure, say N. - -endchoice - -endif + This option can be selected by a mainboard to represent that its TPM + always uses the 2.0 protocol, and that it should be on by default. config TPM_DEACTIVATE bool "Deactivate TPM" |