def SelectFdt(self, fdt_fname):
"""Select an FDT to control the firmware bundling
Args:
fdt_fname: The filename of the fdt to use.
Returns:
The Fdt object of the original fdt file, which we will not modify.
We make a copy of this which will include any on-the-fly changes we want
to make.
"""
self._fdt_fname = fdt_fname
self.CheckOptions()
fdt = Fdt(self._tools, self._fdt_fname)
# For upstream, select the correct architecture .dtsi manually.
if self._board == 'link' or 'x86' in self._board:
arch_dts = 'coreboot.dtsi'
elif self._board == 'daisy':
arch_dts = 'exynos5250.dtsi'
else:
arch_dts = 'tegra20.dtsi'
fdt.Compile(arch_dts)
self.fdt = fdt.Copy(os.path.join(self._tools.outdir, 'updated.dtb'))
return fdt
