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authorVadim Bendebury <vbendeb@chromium.org>2017-02-14 10:48:11 +0800
committerAaron Durbin <adurbin@chromium.org>2017-04-24 22:33:06 +0200
commitc77259c4e5e02fcf829afe9bf437b70dbddcbf3c (patch)
tree231a90a203c33e3210c7d40c9c208131b76aa328 /src/mainboard/bap/ode_e20XX
parent50340f5480c943b6434c9b5e6178731a9977cae3 (diff)
google/oak: Support cr50 over I2C on rowan
This patch enables TPM2 using cr50 over I2C for the Rowan board, and adds an mt8173 specific TPM IRQ polling function. The function relies on the appropriate EINT input configured to trigger the ready status on the rising edge. The cr50 TPM is on I2C address 0x50. The cr50 interrupt GPIO is also made available for use by depthcharge via the coreboot tables. BRANCH=none BUG=b:36786804 TEST=Boot rowan w/ serial enabled, verify coreboot and depthcharge are configured to use IRQ flow control when talking to the Cr50 TPM. Change-Id: If6cdd0e39e4ac86538f27f322c55c329179ee084 Signed-off-by: Vadim Bendebury <vbendeb@chromium.org> Signed-off-by: Daniel Kurtz <djkurtz@chromium.org> Reviewed-on: https://review.coreboot.org/19364 Tested-by: build bot (Jenkins) Reviewed-by: Julius Werner <jwerner@chromium.org>
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