> On 6 Oct 2018, at 22:17, ron minnich <[email protected]> wrote: > > It depends on what you mean by fully. If there is a so-called Mask ROM (i.e. > initial boot program that's part of the chip itself, not replaceable, you can > disassemble it however) and the rest of the chip is fully open, does that > count?
That's a good start. In my experience, these are what I've mostly seen. Ideally I mean one where the boot loader (and payload?) are not proprietary. Or that an open source boot loader could be used, preferably without added blobs. > For my money the ARM chromebooks are still one of the best bets out there for > messing about with ARM firmware. Yes, I've been looking at getting one for this very purpose, especially as it's already a whole, usable system. Have you any particular recommendations? >> On Sat, Oct 6, 2018 at 12:30 PM Andrew Luke Nesbit >> <[email protected]> wrote: >> >> > On 6 Oct 2018, at 17:42, ron minnich <[email protected]> wrote: >> > >> [...] >> > >> > if you really want 100% open, the only real options at this point are >> > power 9, RISCV and some ARM CPUs. >> >> Ron, thanks for your reasoned reply and the contextual background. I >> believe this is important when embarking on any project with a legacy. >> >> I know of libre-friendly POWER9 and RISC-V options. For example, I am >> currently learning my way around the Talos II (which is excellent). >> ARM-based systems have been elusive to me. >> >> Could you please give some examples of fully libre-friendly ARM-based boards >> or systems? Thanks!! >> >> Kind regards, >> >> Andrew
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