diff --git a/plat/st/common/include/stm32mp_common.h b/plat/st/common/include/stm32mp_common.h
index 5eac5cc..d45fbc7 100644
--- a/plat/st/common/include/stm32mp_common.h
+++ b/plat/st/common/include/stm32mp_common.h
@@ -115,7 +115,8 @@
 int stm32mp_map_ddr_non_cacheable(void);
 int stm32mp_unmap_ddr(void);
 
-/* Function to save boot peripheral info */
+/* Functions to save and get boot peripheral info */
 void stm32_save_boot_interface(uint32_t interface, uint32_t instance);
+void stm32_get_boot_interface(uint32_t *interface, uint32_t *instance);
 
 #endif /* STM32MP_COMMON_H */