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-rw-r--r--src/mainboard/siemens/mc_ehl/variants/mc_ehl4/devicetree.cb3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/devicetree.cb b/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/devicetree.cb
index 56cfc3bc03..e99dd48f06 100644
--- a/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/devicetree.cb
+++ b/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/devicetree.cb
@@ -78,6 +78,9 @@ chip soc/intel/elkhartlake
register "PcieRpPcieSpeed[3]" = "1"
register "PcieRpPcieSpeed[4]" = "1"
+ register "PcieRpMaxPayload[1]" = "RpMaxPayload_256"
+ register "PcieRpMaxPayload[2]" = "RpMaxPayload_256"
+
# Storage (SATA/SDCARD/EMMC) related UPDs
register "SataSalpSupport" = "0"
register "SataPortsEnable[0]" = "1"