diff --git a/openpower/configs/hostboot/rainier.config b/openpower/configs/hostboot/rainier.config
index c8c34e4..338d605 100755
--- a/openpower/configs/hostboot/rainier.config
+++ b/openpower/configs/hostboot/rainier.config
@@ -81,3 +81,6 @@
 #unset HANG_ON_MFG_SRC_TERM
 
 set ENABLE_HDAT_IN_HOSTBOOT
+
+# Until MCTP/PLDM file access available, load PHyp via the BOOTKERNEL partition
+set LOAD_PHYP_FROM_BOOTKERNEL