Initial support for bcm2838 RNG

[Kyle Evans]

On Sat, Nov 16, 2019 at 12:48 PM Robert Crowston via freebsd-arm
<freebsd-arm at freebsd.org> wrote:
>
> I have made a first cut at supporting the Broadcom 2838 hardware random number generator, as found on the Raspberry Pi 4.
>
> Diff: https://github.com/freebsd/freebsd/compare/master...RobCrowston:pi4-hwrng
>
> This extends the existing bcm2835_rng.c driver to function on the Pi4. Unfortunately I do not have a Raspberry Pi 3 board to confirm it still works there, but on my Pi4, it generates (apparently) random numbers.
>

Hi,

No worries- I've got access to a Pi 3 for regression testing. Can you
throw what you've got into Phabricator [0] and add me as a reviewer?
We can iterate/review from there.

Thanks!

Kyle Evans

[0] https://wiki.freebsd.org/Phabricator