Spartan and Virtex devices can be configured using a CPLD as a controller for standard parallel flash EPROMs. See application note XAPP 079.

Virtex devices can be configured in SelectMAP (8 bit parallel mode) using a CPLD as a controller for standard flash EPROMs. See application note XAPP 137.

Spartan and Virtex devices can be configured using an FPGA. Application note coming soon!