piCore for DUMMIES

[Yleisajattelija]

Those HAT-modules cannot handled with "Static device tree" -structure, and "Device tree overlay" -batch system is used for Rasberry.

U-boot supports DTO, but Linux not, so it's difficult to say how it works, but I can guess, that U-boot modifies Device tree file and transfers it as static structure to kernel:

(DTO is on 23 min. point of video)

https://www.youtube.com/watch?v=Nz6aBffv-Ek

[patrikg]

This thread was long time ago, with my first RaspberryPi working with uboot and nfs.
I was struggling with device tree. fdt.
https://forum.tinycorelinux.net/index.php/topic,21356.msg133578.html#msg133578