diff --git a/board/cm-bf537u/gpio_cfi_flash.h b/board/cm-bf537u/gpio_cfi_flash.h
new file mode 100644
index 0000000..5211e97
--- /dev/null
+++ b/board/cm-bf537u/gpio_cfi_flash.h
@@ -0,0 +1,10 @@
+/*
+ * gpio_cfi_flash.c - GPIO-assisted Flash Chip Support
+ *
+ * Copyright (c) 2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+void *gpio_cfi_flash_swizzle(void *vaddr);
+void gpio_cfi_flash_init(void);