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f2c33b73b2
The tpm is supposed to report its firmware version when
TPM_PT_FIRMWARE_VERSION_1 and TPM_PT_FIRMWARE_VERSION_2 capabilities
are requested.
This patch retrieves form the build info string SHA1s of the ec and
tpm2 repositories and returns them to the caller.
BRANCH=none
BUG=chrome-os-partner:58177
TEST=with the appropriate tpm2 source tree changes the ec and tpm
SHA1s are now reported:
localhost ~ # tpm_version
TPM 2.0 Version Info:
Chip Version: 2.0.0.0
....
Firmware Version: 0a92ec7c01b9c924
(the first half is the zero prepended 7 characters of the ec SHA1,
and the second half is the zero prepended 7 characters of the tpm2
SHA1).
Change-Id: I01e4fffdafbbdc4668342ea511ca9c4a555e20a9
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/403115
Reviewed-by: Andrey Pronin <apronin@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit For instructions on building from source, refer to http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly