diff --git a/include/plat/common/platform.h b/include/plat/common/platform.h
index dae9589..e0297ae 100644
--- a/include/plat/common/platform.h
+++ b/include/plat/common/platform.h
@@ -103,6 +103,7 @@
 const char *plat_log_get_prefix(unsigned int log_level);
 void bl2_plat_preload_setup(void);
 int plat_try_next_boot_source(void);
+int plat_get_mbedtls_heap(void **heap_addr, size_t *heap_size);
 
 /*******************************************************************************
  * Mandatory BL1 functions