[Trisquel-users] how much of the source code is disclosed about the firefly rk3399 computer?

[svhaab]

Can you tell how much of the devices' source code is disclosed?
https://www.kickstarter.com/projects/1771382379/firefly-rk3399-six-core-64-bit-high-performance-pl/description
lkcl says, he can use the rk3399 if he could get hand on the data sheet of  
the rk3399.

What is the performance of the rk3399, equals a x86 2gzh duo core computer?