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  • freedom@lemy.lolEnglish
    1·
    5 hours ago

    You also don’t know all of the traces etched into the proprietary ARM chip in your pi. There are magic API calls to low level hardware which remain for “debugging” in all the major processor tapes outs today.

    • pinball_wizard@lemmy.zipEnglish
      1·
      2 hours ago

      You also don’t know all of the traces etched into the proprietary ARM chip in your pi.

      Great point.

      It is now possible to get a Raspberry Pi equivalent with a processor from Rokchip.

      Rokchip’s sources are at: https://github.com/rockchip-linux

      I find that most stuff from LibreComputer is as open as possible, today.

      The Renegade is a pretty good place to start exploring. With Armbian loaded, it’s a serviceable personal PC for $35.

      The catch is that pre-built Raspberry Pi images won’t work for it - because the CPU chip requires different drivers. So it’s not a drop-in replacement for various Raspberry Pi recipes. I’ve built some of those recipes from source code on it, and they work fine, of course.

    • MangoCats@feddit.itEnglish
      1·
      4 hours ago

      I guess it’s back to abacus beads for you, can’t trust any microchips you didn’t design and hand verify by optical microscope yourself.