| #!/usr/bin/env python2 |
| # devicetree_convert Tool to convert a DTB to a static C file |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| |
| 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") |