RPi 2 B+?

[Warner Losh]

> On Feb 2, 2015, at 5:50 PM, Dan Raymond <draymond at foxvalley.net> wrote:
> 
> On 2/2/2015 9:08 AM, Adrian Chadd wrote:
>> From someone at the RPI foundation:
>> 
>> "All peripheral blocks detailed in the BCM2835 datasheet are
>> applicable to BCM2836. The only thing that's changed in regards to
>> these bits is the peripheral register set base address - which I
>> believe is now placed at 0x3F000000."
>> 
>> still requires an updated uboot and some new glue for the new SoC (DTS
>> files, for example.)
>> 
>> 
>> 
>> -adrian
> 
> Will any changes be needed for FreeBSD to take advantage of SMP now that the Raspberry Pi has 4 cores instead of 1?  I imagine compiling for ARMv7 instead of ARMv6 will incur performance improvements. Will that be a simple transition?  It will also be nice to have access to pre-compiled ports.

Most of the performance gain is marginal over the armv6hf port. Compiling for armv7 would mean the packages wouldn’t work on the original RPi, which is too high a cost for the marginal improvements.

Warner