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authorSimon Glass <sjg@chromium.org>2012-10-25 16:31:11 +0000
committerGerald Van Baren <gvb@unssw.com>2012-11-12 23:14:57 -0500
commitfcabc24f4fd2fd581036c7a20eee47a204f04f39 (patch)
tree2d534f1bb42bf9890ee233d2a7ae9865f888ed29 /.gitignore
parentd95f6ec7334076a1e4b13f3748ebfd1b58ac90f6 (diff)
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fdt: Set kernaddr if fdt indicates a kernel is present
If kernel-offset is specified in the fdt, set an environment variable so that scripts can access the attached kernel. This can be used by a packaging program to tell U-Boot about a kernel that has been downloaded alongside U-Boot. The value in the fdt is the offset of the kernel from the start of the U-Boot image, so we can find it just by adding CONFIG_SYS_TEXT_BASE. It is then fairly easy to put something like this in the environment variables in the board header file: "if test ${kernaddr} != \"\"; then "\ "echo \"Using bundled kernel\"; "\ "bootm ${kernaddr};" \ "fi; "\ /* rest of boot sequence follows here */ Signed-off-by: Simon Glass <sjg@chromium.org>
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