Re: Libre graphics could become the standard if we push right now
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On Fri, Jan 22, 2016 at 11:15:19PM +0100, jdd wrote:
> Le 22/01/2016 17:34, Alberto Salvia Novella a écrit :
> >libre hardware.
> that's far from new
>
> https://en.wikipedia.org/wiki/Open-source_hardware
>
> http://www.gnu.org/philosophy/free-hardware-designs.en.html
>
> I remember efforts done to have free cpu, but I don't think
> significant result have been achieved
There are actuall quite a few (available or soonish available)
free CPUs. Starting from the lower end:
* Parallax Propeller [1], [2]
Fast-ish, risc-y, 32 bit 8 core microcontroller. Design (incl VHDL)
is under GPLV3 (no less!). You can really buy silicon for that!
Eight (take or give) dollars and one is yours.
* OpenRISC [3]
32 bit (these days 64 bit). LGPL. There are a few FPGA based
implementations and some specialist "real silicon" implementations,
AFAIK one on board of ISS. No idea whether one can buy "real
silicon" (at least as mere mortal).
* RISC-V [4]
To me, this is the most exciting of the pack. Modern 64 bit design,
BSD license, actually a meta-design. There are real "biggies" behind
that, David Patterson (of Hennessy and Patterson fame). There is an
effort underway [5] to touch "real silicon", surrounded by a low cost
devel board. They are pretty advanced on that and backed by people
who seem to know their stuff, like Robert Mullins of Raspberry Pi
fame or Bunnie Huang (need I introduce this one?).
If you follow the links you'll quickly realize that this list is far
from exhaustive. I didn't name the MIPSen and SPARCsen gone or donated
into public domain.
Ask and you shall be given :-)
[1] <https://en.wikipedia.org/wiki/Parallax_Propeller>
[2] <https://www.parallax.com/microcontrollers/propeller>
[3] <https://en.wikipedia.org/wiki/OpenRISC>
[4] <https://en.wikipedia.org/wiki/RISC-V>
[5] <http://www.lowrisc.org/>
regards
- -- tomás
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