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| author | Simon Glass <sjg@chromium.org> | 2015-08-22 18:31:19 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-08-31 07:57:27 -0600 |
| commit | a7d660bc4982fea59d14d30eb79e77499d1074ef (patch) | |
| tree | 69f8566ec669c22ad180f505bac4636969ac4cd6 /drivers/tpm | |
| parent | afc84dec1c2721269c8eaad13a938fa18360dbc7 (diff) | |
| download | blackbird-obmc-uboot-a7d660bc4982fea59d14d30eb79e77499d1074ef.tar.gz blackbird-obmc-uboot-a7d660bc4982fea59d14d30eb79e77499d1074ef.zip | |
tpm: Add Kconfig options for TPMs
Add new Kconfig options for TPMs in preparation for moving boards to use
Kconfig for TPM configuration.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Christophe Ricard<christophe-h.ricard@st.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'drivers/tpm')
| -rw-r--r-- | drivers/tpm/Kconfig | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/tpm/Kconfig b/drivers/tpm/Kconfig index f408b8a81d..9101fc26b9 100644 --- a/drivers/tpm/Kconfig +++ b/drivers/tpm/Kconfig @@ -1,7 +1,67 @@ +# +# TPM subsystem configuration +# + +menu "TPM support" + config TPM_TIS_SANDBOX bool "Enable sandbox TPM driver" + depends on SANDBOX help This driver emulates a TPM, providing access to base functions such as reading and writing TPM private data. This is enough to support Chrome OS verified boot. Extend functionality is not implemented. + +config TPM_ATMEL_TWI + bool "Enable Atmel TWI TPM device driver" + depends on TPM + help + This driver supports an Atmel TPM device connected on the I2C bus. + The usual tpm operations and the 'tpm' command can be used to talk + to the device using the standard TPM Interface Specification (TIS) + protocol + +config TPM_TIS_I2C + bool "Enable support for Infineon SLB9635/45 TPMs on I2C" + depends on TPM && DM_I2C + help + This driver supports Infineon TPM devices connected on the I2C bus. + The usual tpm operations and the 'tpm' command can be used to talk + to the device using the standard TPM Interface Specification (TIS) + protocol + +config TPM_TIS_I2C_BURST_LIMITATION + bool "Enable I2C burst length limitation" + depends on TPM_TIS_I2C + help + Some broken TPMs have a limitation on the number of bytes they can + receive in one message. Enable this option to allow you to set this + option. The can allow a broken TPM to be used by splitting messages + into separate pieces. + +config TPM_TIS_I2C_BURST_LIMITATION_LEN + int "Length" + depends on TPM_TIS_I2C_BURST_LIMITATION + help + Use this to set the burst limitation length + +config TPM_TIS_LPC + bool "Enable support for Infineon SLB9635/45 TPMs on LPC" + depends on TPM && X86 + help + This driver supports Infineon TPM devices connected on the I2C bus. + The usual tpm operations and the 'tpm' command can be used to talk + to the device using the standard TPM Interface Specification (TIS) + protocol + +config TPM_AUTH_SESSIONS + bool "Enable TPM authentication session support" + depends on TPM + help + Enable support for authorised (AUTH1) commands as specified in the + TCG Main Specification 1.2. OIAP-authorised versions of the commands + TPM_LoadKey2 and TPM_GetPubKey are provided. Both features are + available using the 'tpm' command, too. + +endmenu |
