diff --git a/src/soc/intel/alderlake/chip.c b/src/soc/intel/alderlake/chip.c
index ae28d18..1fa78fb 100644
--- a/src/soc/intel/alderlake/chip.c
+++ b/src/soc/intel/alderlake/chip.c
@@ -61,6 +61,9 @@
 
 	switch (dev->path.pci.devfn) {
 	case SA_DEVFN_ROOT:		return "MCHC";
+	case SA_DEVFN_CPU_PCIE1_0:	return "PEG2";
+	case SA_DEVFN_CPU_PCIE6_0:	return "PEG0";
+	case SA_DEVFN_CPU_PCIE6_2:	return "PEG1";
 	case SA_DEVFN_IGD:		return "GFX0";
 	case SA_DEVFN_TCSS_XHCI:	return "TXHC";
 	case SA_DEVFN_TCSS_XDCI:	return "TXDC";