diff --git a/tc_utils.sh b/tc_utils.sh
index c2f5f92..71cb535 100644
--- a/tc_utils.sh
+++ b/tc_utils.sh
@@ -18,3 +18,10 @@
 initrd_addr=0x8000000
 kernel_addr=0x80000
 scp_ram_addr=0x0bd80000
+
+# Hafnium build repo containing Secure hafnium binaries
+spm_secure_out_dir=secure_tc_clang
+
+# TC platform doesnt have non secure hafnium build configuration. Hence, we
+# set it to an arbitrary name.
+spm_non_secure_out_dir=not_found