64 bit ARM systems with more than four cores

[Bernd Walter]

On Mon, Dec 02, 2019 at 01:17:17PM +1100, Peter Jeremy wrote:
> On 2019-Dec-01 21:37:53 +0000, John F Carr <jfc at mit.edu> wrote:
> >Two RK3399 based systems, 2 A-72 + 4 A-53: RockPro64 (http://www.pine64.com/)
> >and ROCK Pi 4 (http://radxa.com).  I can't use the RockPro64 due to the
> >1.5 MBps serial port.  Apparently it works or almost works with some special
> >handling if your serial interface can count to 1,500,000.
> 
> I can't help with the >4 cores bit but the 1.5Mbps serial link shouldn't be
> a problem.  I have a Rock64 connected to a FT232R clone (something like
> https://www.aliexpress.com/item/32680591167.html) and don't have any problems.
> (I had to patch ports/comms/conserver-com to support 1.5Mbps but everything
> else "just worked").

I still can't get my RockPro64 to boot though.

-- 
B.Walter <bernd at bwct.de> http://www.bwct.de
Modbus/TCP Ethernet I/O Baugruppen, ARM basierte FreeBSD Rechner uvm.