tree 25c35d7b274d106dda431751282e2d885057527c
parent 99eed832aedf8557082bb647b5c8e6cdb016f23a
author Meera Ravindranath <meera.ravindranath@intel.com> 1605178764 +0530
committer Subrata Banik <subrata.banik@intel.com> 1606453812 +0000

soc/intel/jasperlake: Enable VT-d and generate DMAR Table

Update UPDs required for the creation of DMAR table.

By default coreboot was not generating DMAR table for IOMMU which
was resulting in below error message in kernel:
DMAR: [Firmware Bug]: No DRHD structure found in DMAR table
DMAR: No DMAR devices found
These changes will publish DMAR table through ACPI and will not
result in the above error.

BUG=b:170261791
BRANCH=dedede
TEST=Build Dedede, boot to kernel and check dmesg if DMAR
     table exists.

Signed-off-by: Meera Ravindranath <meera.ravindranath@intel.com>
Change-Id: I97a9f2df185002a4e58eaa910f867acd0b97ec2b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47506
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Maulik V Vaghela <maulik.v.vaghela@intel.com>