[meta-freescale] rebuild device-tree blob

[König, Florian]

Hi,
i just want to rebuild the device-tree blob, but all i tried does not really work ? The only thing that works is "bitbake linux -c clean" ,"-c unpack", then modify the dts(i) files and "-c compile" . This way it builds and deploys the dtb file into build/arm/arch/boot/dts/ directory. But recompile the whole linux kernel is not so nice.

There are tipps, to use "bitbake linux -f -c deploy"  but this does not build a new dtb into build/arch/arm/boot/dts/ directory ?

Also some seemed to use  ./scripts/dtc/dtc -I dts -O dtb -o ./devicetree.dtb   <file path of dts file you want to compile>  but inside the scripts/dtc directory, there is no dtc anymore. If I use the dtc from the system, it does also not work, because the dtsi files have c-style syntax inside, so it needs to be pre-processed.

Also others seemed to build the meta-toolchain and then use "make xx.dts" , which needs building meta-toolchain.

Is there a way to re-build the dtb file with yocto workflow , I mean some bitbake command like "-f -c deploy", but which works ? Or do I need to use "-f -c deploy" in a special way ?


Thanks


Mit freundlichen Grüßen

Florian König

Entwicklung
MOBA Mobile Automation AG
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Tel.: +49 6431 9577-297
Fax: +49 6431 9577-297


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