2018-09-14 19:57:24 +09:00
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# SPDX-License-Identifier: GPL-2.0+
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# Copyright (c) 2018 Google, Inc
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# Written by Simon Glass <sjg@chromium.org>
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#
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# Entry-type module for U-Boot device tree files
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#
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import state
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from entry import Entry
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from blob import Entry_blob
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class Entry_blob_dtb(Entry_blob):
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"""A blob that holds a device tree
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This is a blob containing a device tree. The contents of the blob are
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obtained from the list of available device-tree files, managed by the
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'state' module.
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"""
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def __init__(self, section, etype, node):
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Entry_blob.__init__(self, section, etype, node)
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def ObtainContents(self):
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"""Get the device-tree from the list held by the 'state' module"""
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self._filename = self.GetDefaultFilename()
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self._pathname, data = state.GetFdtContents(self._filename)
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self.SetContents(data)
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return True
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def ProcessContents(self):
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"""Re-read the DTB contents so that we get any calculated properties"""
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_, data = state.GetFdtContents(self._filename)
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2019-07-09 05:25:34 +09:00
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self.ProcessContentsUpdate(data)
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