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tpm: Support boot measurements

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Add TPM2 functions to support boot measurement. This includes
starting up the TPM, initializing/appending the event log, and
measuring the U-Boot version. Much of the code was used in the
EFI subsystem, so remove it there and use the common functions.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
For the API moving around from EFI -> u-boot core
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
For EFI testing
Tested-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Eddie James
2023-10-24 10:43:49 -05:00
committed by Ilias Apalodimas
parent 54b96e8b2b
commit 97707f12fd
5 changed files with 1155 additions and 1021 deletions
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4
lib/Kconfig
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@@ -431,6 +431,10 @@ config TPM
bool "Trusted Platform Module (TPM) Support"
depends on DM
imply DM_RNG
select SHA1
select SHA256
select SHA384
select SHA512
help
This enables support for TPMs which can be used to provide security
features for your board. The TPM can be connected via LPC or I2C