[coreboot-gerrit] Change in coreboot[master]: soc/intel/jasperlake: Enable VT-d and generate DMAR Table

[Meera Ravindranath (Code Review)]

Hello build bot (Jenkins), Furquan Shaikh, Maulik V Vaghela, Ronak Kanabar, Aamir Bohra, Karthik Ramasubramanian,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/47506

to look at the new patch set (#2).

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

TEST=Build Dedede, boot to kernel and check dmesg if DMAR
     table exists.

Signed-off-by: Meera Ravindranath 
Change-Id: I97a9f2df185002a4e58eaa910f867acd0b97ec2b
---
M src/soc/intel/jasperlake/romstage/fsp_params.c
1 file changed, 12 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/06/47506/2