How to program DTB file only for SABRE board?

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How to program DTB file only for SABRE board?

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Sun1z
Contributor III

Is it possible to use mfgtool to program/update DTB file only to i.MX6Q SABRE board (Android M6.0.1_2.1.0 GA)?

B.R.

Sun

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JayTu
NXP Employee
NXP Employee

The device tree is part of the boot.img. You can unpack the boot.img and re-pack it with your device tree.

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JayTu
NXP Employee
NXP Employee

The device tree is part of the boot.img. You can unpack the boot.img and re-pack it with your device tree.

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Sun1z
Contributor III

Got it clear that even there is a minor modification only in dts file, I need re-program the boot.img again.

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Sun1z
Contributor III

I checked ucl2.xml and found for eMMC-Android, no DTB file is involved, means for android, no DTB required? then how I can set the device tree.

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joanxie
NXP TechSupport
NXP TechSupport

if you need to build kernel, you need to use toolchian, mfgtools is for download image to your board,you can refer to the document as below:

Task #8 - Build kernel manually using created toolchain 

for path, you can find the dts file under:

fsl-release-bsp/build/tmp/work-shared/imx6qsabresd/kernel-source/arch/arm/boot/dts

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