binman: Record the parent section of each section

[oweals/u-boot.git] / tools / binman / etype / u_boot.py

diff --git a/tools/binman/etype/u_boot.py b/tools/binman/etype/u_boot.py
index 1fcff7335824b1a526c3f458784e327e0624c773..23dd12ce43594bf359532d86ce99f266178097a8 100644 (file)
--- a/tools/binman/etype/u_boot.py
+++ b/tools/binman/etype/u_boot.py
@@ -1,8 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0+
 # Copyright (c) 2016 Google, Inc
 # Written by Simon Glass <sjg@chromium.org>
 #
-# SPDX-License-Identifier:      GPL-2.0+
-#
 # Entry-type module for U-Boot binary
 #
 
@@ -10,8 +9,24 @@ from entry import Entry
 from blob import Entry_blob
 
 class Entry_u_boot(Entry_blob):
-    def __init__(self, image, etype, node):
-        Entry_blob.__init__(self, image, etype, node)
+    """U-Boot flat binary
+
+    Properties / Entry arguments:
+        - filename: Filename of u-boot.bin (default 'u-boot.bin')
+
+    This is the U-Boot binary, containing relocation information to allow it
+    to relocate itself at runtime. The binary typically includes a device tree
+    blob at the end of it. Use u_boot_nodtb if you want to package the device
+    tree separately.
+
+    U-Boot can access binman symbols at runtime. See:
+
+        'Access to binman entry offsets at run time (fdt)'
+
+    in the binman README for more information.
+    """
+    def __init__(self, section, etype, node):
+        Entry_blob.__init__(self, section, etype, node)
 
     def GetDefaultFilename(self):
         return 'u-boot.bin'