#!/usr/bin/python
+# SPDX-License-Identifier: GPL-2.0+
#
# Copyright (C) 2016 Google, Inc
# Written by Simon Glass <sjg@chromium.org>
#
-# SPDX-License-Identifier: GPL-2.0+
-#
import os
import struct
+import sys
import tempfile
import command
Return:
A native-endian integer value
"""
+ if sys.version_info > (3, 0):
+ if isinstance(val, bytes):
+ val = val.decode('utf-8')
+ val = val.encode('raw_unicode_escape')
return struct.unpack('>I', val)[0]
+def fdt_cells_to_cpu(val, cells):
+ """Convert one or two cells to a long integer
+
+ Args:
+ Value to convert (array of one or more 4-character strings)
+
+ Return:
+ A native-endian long value
+ """
+ if not cells:
+ return 0
+ out = long(fdt32_to_cpu(val[0]))
+ if cells == 2:
+ out = out << 32 | fdt32_to_cpu(val[1])
+ return out
+
def EnsureCompiled(fname):
"""Compile an fdt .dts source file into a .dtb binary blob if needed.
search_list = []
for path in search_paths:
search_list.extend(['-i', path])
- args = ['-I', 'dts', '-o', dtb_output, '-O', 'dtb']
+ args = ['-I', 'dts', '-o', dtb_output, '-O', 'dtb',
+ '-W', 'no-unit_address_vs_reg']
args.extend(search_list)
args.append(dts_input)
- command.Run('dtc', *args)
+ dtc = os.environ.get('DTC') or 'dtc'
+ command.Run(dtc, *args)
return dtb_output
def GetInt(node, propname, default=None):