They're generally aren't as accessible.
At this point this has to be just raspberry propaganda. Or total ignorance.
You can take upstream kernel and u-boot and tf-a, just build it, flash it and have a working system for 10s of different boards from various manufacturers.
alt Hacker News
At this point this has to be just raspberry propaganda. Or total ignorance.
You can take upstream kernel and u-boot and tf-a, just build it, flash it and have a working system for 10s of different boards from various manufacturers.