diff --git a/plat/socionext/uniphier/platform.mk b/plat/socionext/uniphier/platform.mk
index 3c74fe6..8e96b68 100644
--- a/plat/socionext/uniphier/platform.mk
+++ b/plat/socionext/uniphier/platform.mk
@@ -9,6 +9,9 @@
 override PROGRAMMABLE_RESET_ADDRESS	:= 1
 override USE_COHERENT_MEM		:= 1
 override ENABLE_SVE_FOR_NS		:= 0
+
+# Disabling ENABLE_PIE saves memory footprint a lot, but you need to adjust
+# UNIPHIER_MEM_BASE so that all TF images are loaded at their link addresses.
 override ENABLE_PIE			:= 1
 
 # Cortex-A53 revision r0p4-51rel0