# Copyright (c) 2016 Google, Inc
# Written by Simon Glass <sjg@chromium.org>
#
-# Entry-type module for U-Boot device tree
+# Entry-type module for U-Boot device tree in SPL (Secondary Program Loader)
#
from entry import Entry
-from blob import Entry_blob
+from blob_dtb import Entry_blob_dtb
-class Entry_u_boot_spl_dtb(Entry_blob):
+class Entry_u_boot_spl_dtb(Entry_blob_dtb):
+ """U-Boot SPL device tree
+
+ Properties / Entry arguments:
+ - filename: Filename of u-boot.dtb (default 'spl/u-boot-spl.dtb')
+
+ This is the SPL device tree, containing configuration information for
+ SPL. SPL needs this to know what devices are present and which drivers
+ to activate.
+ """
def __init__(self, section, etype, node):
- Entry_blob.__init__(self, section, etype, node)
+ Entry_blob_dtb.__init__(self, section, etype, node)
def GetDefaultFilename(self):
return 'spl/u-boot-spl.dtb'