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2 commits

Author SHA1 Message Date
Christian Walter
5422681942 drivers/crb: Add support for PTT
When we use Intel Platform Trust Technologies, we need to verify
that the enable bit is set before we use the integrated TPM.

Change-Id: I3b262a5d5253648fb96fb1fd9ba3995f92755bb1
Signed-off-by: Christian Walter <christian.walter@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34381
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>
2019-08-06 12:08:21 +00:00
Christian Walter
7706a04c60 drivers/crb: Add CRB driver for TPM2 support
Add the Command Response Buffer which is defined in the TPM 2.0 Specs.
CRB can be specified with MAINBOARD_HAS_CRB_TPM, even though it is
actually SoC/SB specific.

Change-Id: I477e45963fe3cdbc02cda9ae99c19142747e4b46
Signed-off-by: Christian Walter <christian.walter@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34106
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
2019-07-31 10:58:36 +00:00