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authorDuncan Laurie <dlaurie@chromium.org>2016-09-19 17:22:10 -0700
committerPatrick Georgi <pgeorgi@google.com>2016-09-21 10:46:51 +0200
commit94cc485338a30c50c74a7bb02d14a52f35ff41c3 (patch)
tree6569cdf74de31ce07687dadec8475ee0e6b2dfe6 /src/mainboard/google
parent2e79009503bcb0bc324ca60f9d4a9121dcdcbf84 (diff)
drivers/i2c/tpm/cr50: Support interrupts for status
Support reading the ACPI GPE status (on x86) to determine when the cr50 is ready to return response data or is done processing written data. If the interrupt is not defined by Kconfig then it will continue to use the safe delay. This was tested with reef hardware and a modified cr50 image that generates interrupts at the intended points. BUG=chrome-os-partner:53336 Change-Id: Ic8f805159650c45382cacac8840450a1f8b4d7a1 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://review.coreboot.org/16672 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/mainboard/google')
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