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#
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# TPM subsystem configuration
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#
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menu "TPM support"
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config TPM_TIS_SANDBOX
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bool "Enable sandbox TPM driver"
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depends on SANDBOX
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help
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This driver emulates a TPM, providing access to base functions
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such as reading and writing TPM private data. This is enough to
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support Chrome OS verified boot. Extend functionality is not
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implemented.
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config TPM_ATMEL_TWI
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bool "Enable Atmel TWI TPM device driver"
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depends on TPM && DM_I2C
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help
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This driver supports an Atmel TPM device connected on the I2C bus.
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The usual tpm operations and the 'tpm' command can be used to talk
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to the device using the standard TPM Interface Specification (TIS)
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protocol
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config TPM_TIS_INFINEON
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bool "Enable support for Infineon SLB9635/45 TPMs on I2C"
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depends on TPM && DM_I2C
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help
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This driver supports Infineon TPM devices connected on the I2C bus.
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The usual tpm operations and the 'tpm' command can be used to talk
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to the device using the standard TPM Interface Specification (TIS)
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protocol
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config TPM_TIS_I2C_BURST_LIMITATION
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bool "Enable I2C burst length limitation"
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depends on TPM_TIS_INFINEON
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help
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Some broken TPMs have a limitation on the number of bytes they can
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receive in one message. Enable this option to allow you to set this
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option. The can allow a broken TPM to be used by splitting messages
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into separate pieces.
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config TPM_TIS_I2C_BURST_LIMITATION_LEN
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int "Length"
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depends on TPM_TIS_I2C_BURST_LIMITATION
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help
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Use this to set the burst limitation length
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config TPM_TIS_LPC
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bool "Enable support for Infineon SLB9635/45 TPMs on LPC"
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depends on TPM && X86
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help
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This driver supports Infineon TPM devices connected on the LPC bus.
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The usual tpm operations and the 'tpm' command can be used to talk
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to the device using the standard TPM Interface Specification (TIS)
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protocol
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config TPM_AUTH_SESSIONS
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bool "Enable TPM authentication session support"
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depends on TPM
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help
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Enable support for authorised (AUTH1) commands as specified in the
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TCG Main Specification 1.2. OIAP-authorised versions of the commands
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TPM_LoadKey2 and TPM_GetPubKey are provided. Both features are
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available using the 'tpm' command, too.
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config TPM_ST33ZP24_I2C
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bool "STMicroelectronics ST33ZP24 I2C TPM"
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depends on TPM && DM_I2C
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---help---
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This driver supports STMicroelectronics TPM devices connected on the I2C bus.
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The usual tpm operations and the 'tpm' command can be used to talk
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to the device using the standard TPM Interface Specification (TIS)
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protocol
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config TPM_ST33ZP24_SPI
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bool "STMicroelectronics ST33ZP24 SPI TPM"
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depends on TPM && DM_SPI
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---help---
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This driver supports STMicroelectronics TPM devices connected on the SPI bus.
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The usual tpm operations and the 'tpm' command can be used to talk
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to the device using the standard TPM Interface Specification (TIS)
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protocol
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endmenu
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