what is the correct way to patch u-boot ?

[kris duff]

Hello,

on my overo I need to use uart2 (those pins are muxed to the BT/wifi module and I don't need the BT/wifi).

Doing a few searches, I can see there is a patch to apply to u-boot to configure the correct muxing for these pins.

The easyway is to change the u-boot source code. But, this could result in a coding horor. So, I guess, I need to place the patch in my own meta layer.

I does not yet understand fully how to do this work.

I know I have to create a .bb named u-boot in my layer but what next to add the patch to the u-boot ?

how to name the file to append ?
what to insert in my recipe ? (is there any example I could look at?)

If anyone could help me on this issue, I would appreciate :-)

Thank you

Kris

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[Scott Ellis]

There's an example using a custom layer here

https://github.com/Fluid-Imaging-Technologies/meta-fit-overo/tree/master/recipes-bsp/u-boot

Not the muxing you want obviously, but shows the directory structure for the .bbappend and patch file.

[kris duff]

Hi Scott,

Thank you a lot for your help this was THE example I was looking for !

Also, on your website : http://www.jumpnowtek.com/index.php?option=com_content&view=article&id=55&Itemid=61 there is a very nice tutorial to apply a patch on u-boot.

Thank you !

Kris

---

From: Scott Ellis <[hidden email]>
To: [hidden email]
Sent: Saturday, August 31, 2013 11:52:10 AM
Subject: Re: [Gumstix-users] what is the correct way to patch u-boot ?

There's an example using a custom layer here

https://github.com/Fluid-Imaging-Technologies/meta-fit-overo/tree/master/recipes-bsp/u-boot

Not the muxing you want obviously, but shows the directory structure for the
.bbappend and patch file.




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