PCI

hello,
Is their any BSP for NSW reference board/Muze2, which has Intel xscale
PXA250 processor & NSW/SLC001CA companion Chipset.

Is their any PCi driver for any boards based on Intel xscale Processor.

Further if we are to write the driver forPCi bus for any board. What is
the starting point?Do we need to do anything in IPL, Startup ?