diff --git a/src/mainboard/ocp/tiogapass/devicetree.cb b/src/mainboard/ocp/tiogapass/devicetree.cb
index 008633b1a1..488f677a95 100644
--- a/src/mainboard/ocp/tiogapass/devicetree.cb
+++ b/src/mainboard/ocp/tiogapass/devicetree.cb
@@ -77,6 +77,7 @@ chip soc/intel/xeon_sp/skx
 				register "bmc_boot_timeout" = "90"
 			end
 		end # Intel Corporation C621 Series Chipset LPC/eSPI Controller
+		device pci 1f.1 hidden end # p2sb
 		device pci 1f.2 on end # Intel Corporation C620 Series Chipset Family Power Management Controller
 		device pci 1f.4 on end # Intel Corporation C620 Series Chipset Family SMBus
 		device pci 1f.5 on end # Intel Corporation C620 Series Chipset Family SPI Controller