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authorJohn Zhao <john.zhao@intel.com>2020-01-03 11:01:23 -0800
committerPatrick Georgi <pgeorgi@google.com>2020-03-12 21:36:57 +0000
commit49111cd2ba12d33caa1031b5be6b631c9f76486a (patch)
tree322b86617966f4f641add56664059c0bcf90096f /src/drivers
parenta7ec42619c310a5e72256821d17f62e7e64bce45 (diff)
downloadcoreboot-49111cd2ba12d33caa1031b5be6b631c9f76486a.tar.xz
soc/intel/tigerlake: Enable VT-d and generate DMAR ACPI table
Tigerlake platform supports Virtualization Technology for Directed I/O. Enable VT-d feature and generate DMAR ACPI table. BUG=None TEST=Booted to kernel and "dmesg | grep DMAR" to verify the DMAR ACPI remapping table existence. Retrieve /sys/firmware/acpi/tables/DMAR and "iasl -d DMAR" to check all entries. Change-Id: Ib89d0835385487735c63062a084794d9da19605e Signed-off-by: John Zhao <john.zhao@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/38165 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Wonkyu Kim <wonkyu.kim@intel.com>
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