PetaLinux is brand name used by Xilinx, it is based on Yocto and pretty decent mainstream kernel, what Petalinux adds is the HSI (Hardware Software Interface from Vivado) and special tools for boot image creation.
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Online version of this manual and other related documents can be found at https://wiki.trenz-electronic.de/display/PD/PetaLinux+KICKstart |
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There are 3 more files that user can edit, they are
File | Description | Location |
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system-top.dts | Device tree changes are to be applied here | <petalinux-project>/subsystems/linux/configs/device-tree |
platform-top.h | U-boot changes are to be applied here | <petalinux-project>/subsystems/linux/configs/u-boot |
fsbl_hooks.c | FSBL changes are to be applied here | SDK/HSI FSBL-Template |
There should be no reason to modify any other files by editing them (most of them are generated and would be overwritten).
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