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d47a97bd38
Architecture-specific documentation is being moved into Documentation/arch/ as a way of cleaning up the top-level documentation directory and making the docs hierarchy more closely match the source hierarchy. Move Documentation/sh into arch/ and fix all in-tree references. Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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12 lines
544 B
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.. SPDX-License-Identifier: GPL-2.0
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DeviceTree Booting
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------------------
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Device-tree compatible SH bootloaders are expected to provide the physical
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address of the device tree blob in r4. Since legacy bootloaders did not
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guarantee any particular initial register state, kernels built to
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inter-operate with old bootloaders must either use a builtin DTB or
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select a legacy board option (something other than CONFIG_SH_DEVICE_TREE)
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that does not use device tree. Support for the latter is being phased out
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in favor of device tree.
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