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dm: doc: add documentation for pre-reloc properties in SPL and TPL

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Add documentation for the pre-reloc property in SPL and TPL device-tree:
- u-boot,dm-pre-proper
- u-boot,dm-pre-reloc
- u-boot,dm-spl
- u-boot,dm-tpl

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Patrick Delaunay
2019-05-21 19:19:13 +02:00
committed by Simon Glass
parent 6998974926
commit 54e1223aa4
5 changed files with 32 additions and 4 deletions
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4
doc/README.TPL
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@@ -34,6 +34,10 @@ determine which SPL options to choose based on whether CONFIG_TPL_BUILD
is set. Source files can be compiled for TPL with options choosed in the
board config file.
TPL use a small device tree (u-boot-tpl.dtb), containing only the nodes with
the pre-relocation properties: 'u-boot,dm-pre-reloc' and 'u-boot,dm-tpl'
(see README.SPL for details).
For example:
spl/Makefile: