diff --git a/board.mk b/board.mk
index 82d8222..f8b24c3 100644
--- a/board.mk
+++ b/board.mk
@@ -1,4 +1,5 @@
 BOARDCPPSRC =  $(BOARD_DIR)/board_configuration.cpp \
+  $(BOARD_DIR)/board_storage.cpp \
     $(BOARD_DIR)/default_tune.cpp \
 
 
@@ -14,3 +15,9 @@ DDEFS += -DRAM_UNUSED_SIZE=100
 # good old PD14 is still the default value
 # todo https://github.com/rusefi/fw-custom-mega/issues/1
 # DDEFS += -DLED_CRITICAL_ERROR_BRAIN_PIN=Gpio::I15
+
+
+# USE_OPT += -Wl,--defsym=FLASH_SIZE=768k
+
+#Serial flash support
+#include $(PROJECT_DIR)/hw_layer/drivers/flash/sst26f_jedec.mk
diff --git a/board_storage.cpp b/board_storage.cpp
new file mode 100644
index 0000000..e8418c0
--- /dev/null
+++ b/board_storage.cpp
@@ -0,0 +1,5 @@
+#include "pch.h"
+
+void boardInitMfs() {
+
+}
\ No newline at end of file