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authorKangheui Won <khwon@chromium.org>2020-10-04 21:12:06 +1100
committerAaron Durbin <adurbin@chromium.org>2020-11-02 22:17:29 +0000
commit9f7df5c18a426947e173277a294537d7534eef48 (patch)
tree7b4eed9d8f1c70b3340ccfb9b429da75df445313 /LICENSES/X11.txt
parent5e6c30bc421757a11ec6f7c1f730bf36c7de1b57 (diff)
soc/amd/picasso: add monotonic_timer
On Zork(picasso) platform we run verstage on the PSP. It has its own timer, but the frequency is not matched with TSC. To ease the work to merge timestamps from the PSP and TSC, add a layer around tsc to have microsecond granularity for timestamp table. PSP already records timestamp in microseconds. BUG=b:159220781 BRANCH=zork TEST=build, flash and boot, check timestamps are correct Signed-off-by: Kangheui Won <khwon@chromium.org> Change-Id: Ifced4a84071be8da547e252167ec21cd42f20ccc Reviewed-on: https://review.coreboot.org/c/coreboot/+/46058 Reviewed-by: Martin Roth <martinroth@google.com> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Eric Peers <epeers@google.com> Reviewed-by: Rob Barnes <robbarnes@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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