ARMv8 development board with GICv3

[Rodney W. Grimes]

> If anyone finds any information on raspberry pi4 and it's bcm2711 that just
> released I will be very interested to see if it's a suitable testing
> platform. Not able to find documentation yet to validate that the interrupt
> controller. Rest looks good.

A little bit of foot work and things tell me that chip has
a GIC400 in it, and the GIC400 says:

	GIC-400 can be configured to support only the required number
	of cores and interrupts to reduce gate count. GIC-400
	implements GICv2 architecture, Security and Virtualization
	Extensions, for more information see Arm Generic Interrupt
	Controller Architecture version 2.0.

So, no, this is not a V3 gic, so no bhyve/arm is not going to work
on it.

> On Sat, Jun 16, 2018 at 5:32 AM Marcin Wojtas <mw at semihalf.com> wrote:
> 
> > 2018-06-15 20:40 GMT+02:00 Alexandru Elisei <alexandru.elisei at gmail.com>:
> > >
> > > On Fri, Jun 15, 2018 at 8:51 PM, Jim Thompson <jim at netgate.com> wrote:
> > > >
> > > >
> > > > https://gist.github.com/gonzopancho/760ab9ecee9dfbc1b6033e48647a4b48
> > > >
> > > > Note: we haven?t upstreamed everything.  Yet.
> > >
> > > Is FreeBSD bootable on the board and the NIC working?
> >
> > In 2017 I pushed patches and the board was booting with the network,
> > USB and SATA. However I know that loos from Netgate has improved the
> > overall support - as a result we can see the log Jim provided.
> >
> > >
> > > > macchiato.bin needs interrupts and NIC drivers, and seems a better
> > target
> > > > for bhyve
> > > >
> > > > machiatto.bin 4C A72 @ 1.6GHz/2.0GHz,  16GB DDR4
> > > >
> > > > espresso.bin 2C A53 @1.0GHz and1/2GB DDR3 (*)
> >
> > Just one note - macchiato.bin is using GICv2m and espresso - GICv3.
> >
> > Best regards,
> > Marcin
> >
> > > >
> > > > Jim
> > > >
> > > > (*) Very new espresso.bin has 1.2GHz SoC and DDR4, and you can plug a
> > SATA
> > > > drive in, including power.
> > > > https://i.imgur.com/5fc2vv0.jpg

-- 
Rod Grimes                                                 rgrimes at freebsd.org