diff --git a/arch/arm/mach-k3/common.c b/arch/arm/mach-k3/common.c
index b0fb87b..458e1a3 100644
--- a/arch/arm/mach-k3/common.c
+++ b/arch/arm/mach-k3/common.c
@@ -24,6 +24,7 @@
 #include <asm/io.h>
 #include <fs_loader.h>
 #include <fs.h>
+#include <efi_loader.h>
 #include <env.h>
 #include <elf.h>
 #include <soc.h>
@@ -296,3 +297,14 @@
 		writel(qos_data[i].val, (uintptr_t)qos_data[i].reg);
 }
 #endif
+
+void efi_add_known_memory(void)
+{
+	if (IS_ENABLED(CONFIG_EFI_LOADER))
+		/*
+		 * Memory over ram_top can be used by various firmware
+		 * Declare to EFI only memory area below ram_top
+		 */
+		efi_add_memory_map(gd->ram_base, gd->ram_top - gd->ram_base,
+				   EFI_CONVENTIONAL_MEMORY);
+}