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Diffstat (limited to 'Documentation/sh')
| -rw-r--r-- | Documentation/sh/booting.rst | 12 | ||||
| -rw-r--r-- | Documentation/sh/index.rst | 1 |
2 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/sh/booting.rst b/Documentation/sh/booting.rst new file mode 100644 index 000000000000..d851c49a01bf --- /dev/null +++ b/Documentation/sh/booting.rst @@ -0,0 +1,12 @@ +.. SPDX-License-Identifier: GPL-2.0 + +DeviceTree Booting +------------------ + + Device-tree compatible SH bootloaders are expected to provide the physical + address of the device tree blob in r4. Since legacy bootloaders did not + guarantee any particular initial register state, kernels built to + inter-operate with old bootloaders must either use a builtin DTB or + select a legacy board option (something other than CONFIG_SH_DEVICE_TREE) + that does not use device tree. Support for the latter is being phased out + in favor of device tree. diff --git a/Documentation/sh/index.rst b/Documentation/sh/index.rst index b5933fd399f3..7b9a79a28167 100644 --- a/Documentation/sh/index.rst +++ b/Documentation/sh/index.rst @@ -7,6 +7,7 @@ SuperH Interfaces Guide .. toctree:: :maxdepth: 1 + booting new-machine register-banks |