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authorYu-Ping Wu <yupingso@chromium.org>2022-05-17 09:33:18 +0800
committerJulius Werner <jwerner@chromium.org>2022-06-08 00:28:27 +0000
commitae1e702e7b10ea2695be706ae53013b5b0817cb3 (patch)
treec7b408f7ae21d0ab048c4a272c390263f1849109 /LICENSES
parent20b58bc882c40b80584cb0d035acbda8daf95ed0 (diff)
drivers/tpm/cr50: Add TPM IRQ timeout Kconfig option
The current 10ms timeout for SPI TPM IRQ is not enough for platforms using ti50 (such as corsola). Therefore, introduce a new Kconfig option 'GOOGLE_TPM_IRQ_TIMEOUT_MS'. For platforms using cr50, we need to support legacy pre-ready-IRQ cr50 factory images during the initial boot, so the timeout remains 100ms for I2C TPM and 10ms for SPI TPM. For all the other platforms using ti50, the default timeout is increased to 750ms, as suggested by the ti50 team (apronin@google.com). BUG=b:232327704 TEST=emerge-corsola coreboot BRANCH=none Change-Id: I8dbb919e4a421a99a994913613a33738a49f5956 Signed-off-by: Yu-Ping Wu <yupingso@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/64412 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Hung-Te Lin <hungte@chromium.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
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