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1.. SPDX-License-Identifier: GPL-2.02 3DeviceTree Booting4------------------5 6 Device-tree compatible SH bootloaders are expected to provide the physical7 address of the device tree blob in r4. Since legacy bootloaders did not8 guarantee any particular initial register state, kernels built to9 inter-operate with old bootloaders must either use a builtin DTB or10 select a legacy board option (something other than CONFIG_SH_DEVICE_TREE)11 that does not use device tree. Support for the latter is being phased out12 in favor of device tree.13