diff --git a/plat/st/common/include/stm32mp_common.h b/plat/st/common/include/stm32mp_common.h
index 693640f..5eac5cc 100644
--- a/plat/st/common/include/stm32mp_common.h
+++ b/plat/st/common/include/stm32mp_common.h
@@ -115,4 +115,7 @@
 int stm32mp_map_ddr_non_cacheable(void);
 int stm32mp_unmap_ddr(void);
 
+/* Function to save boot peripheral info */
+void stm32_save_boot_interface(uint32_t interface, uint32_t instance);
+
 #endif /* STM32MP_COMMON_H */