cbfs: Add an enum and comment for the magic number
This field is not commented in the original file. Add a comment.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/cbfs.h b/include/cbfs.h
index bd1bf75..f2ede25 100644
--- a/include/cbfs.h
+++ b/include/cbfs.h
@@ -40,6 +40,17 @@
CBFS_TYPE_CMOS_LAYOUT = 0x01aa
};
+enum {
+ CBFS_HEADER_MAGIC = 0x4f524243,
+};
+
+/**
+ * struct cbfs_header - header at the start of a CBFS region
+ *
+ * All fields use big-endian format.
+ *
+ * @magic: Magic number (CBFS_HEADER_MAGIC)
+ */
struct cbfs_header {
u32 magic;
u32 version;