Some documentation can be found here: http://elinux.org/RPi_Documentation#Raspberry_Pi_Processor_Broadcom_System-On-Chip:


On 2/2/15 3:37 PM, Joe Bowers wrote:
Does anybody know where to look for documentation on the changes, or general documentation for the bcm2836?

On Mon, Feb 2, 2015 at 1:24 PM, Bakul Shah <bakul@bitblocks.com> wrote:
On Mon, 02 Feb 2015 20:54:02 GMT Skip Tavakkolian <skip.tavakkolian@gmail.com> wrote:
>
> hardkernel's odroid-c1 is similar and slightly better performance for the
> same price; any sense which port might be easier?

Odroid-c1 is Cortex-A5 while Pi2 is Cortex-A7 so Pi2 is more
performant (but has worse ethernet and horrible usb). Port to
pi2 should be easier as the periphs are the same as in Pi1;
only their IO maps have changed a bit.

> http://www.hardkernel.com/main/products/prdt_info.php?g_code=G141578608433