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x86: Support loading kernel setup from a FIT

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Add a new setup@ section to the FIT which can be used to provide a setup
binary for booting Linux on x86. This makes it possible to boot x86 from
a FIT.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2014-10-19 21:11:24 -06:00
parent 381197788d
commit 90268b878b
9 changed files with 399 additions and 2 deletions
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2
doc/uImage.FIT/source_file_format.txt
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@@ -247,6 +247,8 @@ o config@1
node of a "ramdisk" type).
- fdt : Unit name of the corresponding fdt blob (component image node of a
"fdt type").
- setup : Unit name of the corresponding setup binary (used for booting
an x86 kernel). This contains the setup.bin file built by the kernel.
The FDT blob is required to properly boot FDT based kernel, so the minimal
configuration for 2.6 FDT kernel is (kernel, fdt) pair.