blob: ea78c527fc1e0faa02d28420a7bb1dbe1175199c [file] [log] [blame]
# Copyright (C) 2016 Google, Inc
# Written by Simon Glass <>
# SPDX-License-Identifier: GPL-2.0+
import fdt_fallback
# Bring in either the normal fdt library (which relies on libfdt) or the
# fallback one (which uses fdtget and is slower). Both provide the same
# interface for this file to use.
import fdt_normal
have_libfdt = True
except ImportError:
have_libfdt = False
force_fallback = False
def FdtScan(fname, _force_fallback=False):
"""Returns a new Fdt object from the implementation we are using"""
if have_libfdt and not force_fallback and not _force_fallback:
dtb = fdt_normal.FdtNormal(fname)
dtb = fdt_fallback.FdtFallback(fname)
return dtb
def UseFallback(fallback):
global force_fallback
old_val = force_fallback
force_fallback = fallback
return old_val