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| author | Vadim Bendebury <vbendeb@chromium.org> | 2019-05-24 17:22:13 -0700 |
|---|---|---|
| committer | Vadim Bendebury <vbendeb@chromium.org> | 2019-09-21 19:11:24 -0700 |
| commit | de5eae8b652cbfaee25e8e160572b4592be7a80f (patch) | |
| tree | 44bdc9c16807c1882de9f1d22165e4e0ad3877e3 | |
| parent | df87a37cf5e73b37c0d53aaf4a835c9323896ecd (diff) | |
| download | chrome-ec-de5eae8b652cbfaee25e8e160572b4592be7a80f.tar.gz | |
cr50: do not save NVMEM when disabling TPM
When TPM is disabled we do not want to invalidate the NVMEM contents
in the flash, only the SRAM cache needs to be wiped out.
BRANCH=cr50, cr50-mp
BUG=b:132973320
TEST=make buildall -j
Change-Id: Id05c341ee012ee1daa843c97166bde7c6c327bb6
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1636676
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Namyoon Woo <namyoon@chromium.org>
(cherry picked from commit 427019282c43804c9ce859c59f9ed14ee991719d)
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1657312
(cherry picked from commit e5b180e36f77ec9a9dcca5061d9b0727c60c397a)
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1705727
(cherry picked from commit 0afe957bd7e7636a65e809b44e084e87fc1ed9ae)
| -rw-r--r-- | board/cr50/tpm2/nvmem_ops.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/board/cr50/tpm2/nvmem_ops.c b/board/cr50/tpm2/nvmem_ops.c index 048b852732..4281d5f944 100644 --- a/board/cr50/tpm2/nvmem_ops.c +++ b/board/cr50/tpm2/nvmem_ops.c @@ -29,14 +29,4 @@ void nvmem_wipe_cache(void) memset(&gp.phProof, 0, sizeof(gp.phProof)); memset(&gp.shProof, 0, sizeof(gp.shProof)); memset(&gp.ehProof, 0, sizeof(gp.ehProof)); - - NvWriteReserved(NV_OWNER_AUTH, &gp.ownerAuth); - NvWriteReserved(NV_ENDORSEMENT_AUTH, &gp.endorsementAuth); - NvWriteReserved(NV_LOCKOUT_AUTH, &gp.lockoutAuth); - NvWriteReserved(NV_EP_SEED, &gp.EPSeed); - NvWriteReserved(NV_SP_SEED, &gp.SPSeed); - NvWriteReserved(NV_PP_SEED, &gp.PPSeed); - NvWriteReserved(NV_PH_PROOF, &gp.phProof); - NvWriteReserved(NV_SH_PROOF, &gp.shProof); - NvWriteReserved(NV_EH_PROOF, &gp.ehProof); } |