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Observer keyshavmor2611
Observer
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Registered: ‎06-07-2018

Modifying U-boot and external kernel source in Petalinux

Hi,

I want to create a CentOS for my Zynq Ultrascale+ MPSoC. I am unsure how to proceed.  I am thinking of proceeding with replacement of the Kernel and u-boot source in Petalinux tools and including the u-boot and kernel of CentOS instead of the xilinx linux kernel currently used. Is this the correct approach? If yes, how to do it ?

I have read the Petalinux installation guide and the section on External u-boot and kernel source. However, it is not answering my questions sufficiently :

1. What should be the file format of u-boot and kernel? What should be the extension of these files? Should it be like a compressed folder?

2. What is the role of root file systems in developing distributions? Are RootFS decoupled from the Kernel ?

Regards,

Keyshav

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1 Reply
Moderator
Moderator
203 Views
Registered: ‎02-07-2018

Re: Modifying U-boot and external kernel source in Petalinux

HI @keyshavmor2611 

For running CentOS on Zynq Ultrascale+ MPSoC, no need to replace the u-boot & kernel in petalinux. You need to use the xilinx u-boot & linux only which came along with petalinux.

You just need to chnage only rootfs.

Please follow below link for refernce (used ubuntu as rootfs) You need to follow silimar steps.

https://xilinx-wiki.atlassian.net/wiki/spaces/A/pages/18841937/Zynq+UltraScale+MPSoC+Ubuntu+part+2+-+Building+and+Running+the+Ubuntu+Desktop+From+Sources

I doubt if you use  u-boot and kernel of CentOS ,  instead of the xilinx linux kernel currently used. it may not build, mostly you will face build issues.

 

Thanks & regards

Aravind

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