[coreboot-gerrit] Change in coreboot[master]: mb/siemens/mc_apl6: Enable VT-d feature

[Patrick Georgi (Code Review)]

Patrick Georgi has submitted this change. ( https://review.coreboot.org/c/coreboot/+/36749 )

Change subject: mb/siemens/mc_apl6: Enable VT-d feature
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mb/siemens/mc_apl6: Enable VT-d feature

This mainboard needs VT-d to be enabled. Do so in devicetree.

Change-Id: I9f2f733163be019ac329660d7633b48c5d7896f1
Signed-off-by: Werner Zeh 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36749
Tested-by: build bot (Jenkins) 
Reviewed-by: Mario Scheithauer 
---
M src/mainboard/siemens/mc_apl1/variants/mc_apl6/devicetree.cb
1 file changed, 3 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Mario Scheithauer: Looks good to me, approved

diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl6/devicetree.cb b/src/mainboard/siemens/mc_apl1/variants/mc_apl6/devicetree.cb
index e12972c..3b52f65 100644
--- a/src/mainboard/siemens/mc_apl1/variants/mc_apl6/devicetree.cb
+++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl6/devicetree.cb
@@ -14,6 +14,9 @@
    register "pcie_rp_clkreq_pin[4]" = "CLKREQ_DISABLED"
    register "pcie_rp_clkreq_pin[5]" = "CLKREQ_DISABLED"

+	# Enable Vtd feature
+	register "enable_vtd" = "1"
+
    device domain 0 on
    	device pci 00.0 on  end	# - Host Bridge
    	device pci 00.1 off end	# - DPTF