[meta-freescale] rebuild device-tree blob

[Otavio Salvador]

Hello Florian,

On Mon, Oct 23, 2017 at 5:25 AM, König, Florian <FKoenig at moba.de> wrote:
> 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 ?

If you run:

$ bitbake virtual/kernel -c compile -f && bitbake virtual/kernel

It does, but using the toolchain is easier and more comfortable as you
can easily commit and generate the patches for later integrate onto
your custom layer.

-- 
Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
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