diff --git a/src/soc/intel/cannonlake/chip.c b/src/soc/intel/cannonlake/chip.c
index 7d40634..2dc39b6 100644
--- a/src/soc/intel/cannonlake/chip.c
+++ b/src/soc/intel/cannonlake/chip.c
@@ -80,6 +80,7 @@
 	switch (dev->path.pci.devfn) {
 	case SA_DEVFN_ROOT:	return "MCHC";
 	case SA_DEVFN_IGD:	return "GFX0";
+	case SA_DEVFN_TS:	return "TCPU";
 	case PCH_DEVFN_ISH:	return "ISHB";
 	case SA_DEVFN_GNA:	return "GNA";
 	case PCH_DEVFN_XHCI:	return "XHCI";