Support for various peripherals (on-SoC and off-SoC).
 - Timers.
 - UARTs.
 - GPIO.
 - LED.
 - DDR parts.
 - Ethernet parts.
 - SPI flash parts.
Support for RGMII download.
Support for boot from 64K flash.
Support for PCIe.
Debug functions.
Boot functions.
Bugfixes.