1# SPDX-License-Identifier: GPL-2.0+ 2# Copyright 2021 Google LLC 3# Written by Simon Glass <sjg@chromium.org> 4# 5# Entry-type base class for U-Boot or SPL binary with devicetree 6# 7 8from binman.etype.section import Entry_section 9 10class Entry_blob_phase(Entry_section): 11 """Section that holds a phase binary 12 13 This is a base class that should not normally be used directly. It is used 14 when converting a 'u-boot' entry automatically into a 'u-boot-expanded' 15 entry; similarly for SPL. 16 """ 17 def __init__(self, section, etype, node, root_fname, dtb_file, bss_pad): 18 """Set up a new blob for a phase 19 20 This holds an executable for a U-Boot phase, optional BSS padding and 21 a devicetree 22 23 Args: 24 section: entry_Section object for this entry's parent 25 etype: Type of object 26 node: Node defining this entry 27 root_fname: Root filename for the binary ('u-boot', 28 'spl/u-boot-spl', etc.) 29 dtb_file: Name of devicetree file ('u-boot.dtb', u-boot-spl.dtb', 30 etc.) 31 bss_pad: True to add BSS padding before the devicetree 32 """ 33 # Put this here to allow entry-docs and help to work without libfdt 34 global state 35 from binman import state 36 37 super().__init__(section, etype, node) 38 self.root_fname = root_fname 39 self.dtb_file = dtb_file 40 self.bss_pad = bss_pad 41 42 def ExpandEntries(self): 43 """Create the subnodes""" 44 names = [self.root_fname + '-nodtb', self.root_fname + '-dtb'] 45 if self.bss_pad: 46 names.insert(1, self.root_fname + '-bss-pad') 47 for name in names: 48 subnode = state.AddSubnode(self._node, name) 49 50 # Read entries again, now that we have some 51 self._ReadEntries() 52