How to arrange for patches to be applied to u-boot before it is built by the Layerscape SDK v17.12

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How to arrange for patches to be applied to u-boot before it is built by the Layerscape SDK v17.12

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kuta42
Contributor III

We've produced a board starting from the FRDM LS1012A design. One of the enhancements we've added is an SD card slot, from which we'd like to be able to boot using u-boot. I have the patches to u-boot (and a replacement RCW file) for the board that worked using the QorIQ SDK v17.03; what's the best way to incorporate them into the build of the boot partition when using the Layerscape SDK v17.12?

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kuta42
Contributor III

I have resolved this by considering our design to be a new board and adding files for it to the u-boot tree. You can consider this question as answered.

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Pavel
NXP TechSupport
NXP TechSupport

Look at the following pages:

https://www.denx.de/wiki/U-Boot/Patches

 

https://groups.google.com/forum/#!topic/beagleboard/PTjm3nD_RTA


Have a great day,
Pavel Chubakov

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kuta42
Contributor III

I guess I'm still not being clear enough. I'll try again:

  1. I have patches to u-boot for our board that I was able to apply to the build of u-boot when using the QorIQ SDK v17.03 by creating a .bbappend file for its recipe. Unfortunately, the Layerscape SDK v17.12 doesn't useBitBake recipes, so how do I tell flex-builder to apply these patches before it builds u-boot?
  2. I have a replacement RCW file for our board. How do I tell flex-builder to use it when building the boot partition instead of the one for the FRDM-LS1012A board?
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kuta42
Contributor III

I have resolved this by considering our design to be a new board and adding files for it to the u-boot tree. You can consider this question as answered.

View solution in original post

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Pavel
NXP TechSupport
NXP TechSupport

The LS1012a supports only QSPI as source for RCW and PBL. See the Section 4.4.4.1 and bits 192-195 of the RCW in the LS1012a Reference Manual:

https://www.nxp.com/docs/en/reference-manual/LS1012ARM.pdf

 

Linux BSP supports only QSPI for u-boot source on the LS1012a board.


Have a great day,
Pavel Chubakov

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Note: If this post answers your question, please click the Correct Answer button. Thank you!
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kuta42
Contributor III

Understood, but my question is: how best to incorporate patches to u-boot into build of the boot partition? (I've updated the title to better reflect the actual question.)

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