diff --git a/plat/arm/common/arm_pm.c b/plat/arm/common/arm_pm.c
index d13d268..cae6597 100644
--- a/plat/arm/common/arm_pm.c
+++ b/plat/arm/common/arm_pm.c
@@ -175,7 +175,7 @@
  * from reset. This function assumes that the Trusted mail box base is within
  * the ARM_SHARED_RAM region
  ******************************************************************************/
-static void arm_program_trusted_mailbox(uintptr_t address)
+void arm_program_trusted_mailbox(uintptr_t address)
 {
 	uintptr_t *mailbox = (void *) PLAT_ARM_TRUSTED_MAILBOX_BASE;