- Framebuffer driver
- Serial driver
- Serial over USB driver
- Interrupts, MMU, clock, etc.
What we have in openiboot (but hasn't been ported yet):
- Read-only support for the NAND
What we don't have (yet!):
- Write support for the NAND
- Wireless networking
- Touchscreen
- Sound
- Accelerometer
- Baseband support