#!/usr/bin/env python2 # SPDX-License-Identifier: GPL-3.0-or-later # devicetree_convert Tool to convert a DTB to a static C file from pyfdt.pyfdt import FdtBlobParse import argparse parser = argparse.ArgumentParser(description='Cavium DTB to C converter') parser.add_argument('--indtb', help='Compiled devicetree blob to parse') parser.add_argument('--out', help='The file to write') parser.add_argument('--verbose', help='Be verbose', action='store_true', default=False) args = parser.parse_args() outfile = None if args.out is not None: outfile = open(args.out, 'w') outfile.write("// This file is automatically generated.\n") outfile.write("// DO NOT EDIT BY HAND.\n\n") outfile.write("#include <bdk-devicetree.h>\n\n") outfile.write("const struct bdk_devicetree_key_value devtree[] = {\n") with open(args.indtb) as infile: dtb = FdtBlobParse(infile) fdt = dtb.to_fdt() for (path, node) in fdt.resolve_path('/cavium,bdk').walk(): if "/" in path: path = path.replace("/", "") if len(node) == 1: for i in node: if type(i) is not unicode: print "%s: Type is not string" % path continue if args.verbose: print "%s = %s" % (path, i) if outfile is not None: outfile.write("{\"%s\", \"%s\"},\n" % (path, i)) else: print "%s: Arrays aren't supported" % path if outfile is not None: outfile.write("{0, 0},\n") outfile.write("};\n")