SPARTAN-II, busy signal

Hi all,

Is that possible to put the busy signal (when the FPGA is configuring) in a float state.

I coupled an ARM7 and a SPARTAN-II, and busy signal of the FPGA is directly connected to a data_line of the ARM. As we are doing FPGA configuration over ethernet, busy line corrupt the ARM when it try to configure the FPGA.

There are two solutions:

-- change the schemetic

-- to be able to put busy line in a float state as an other IO line when FPGA is programming :

Are there any option in ISE to do that?

Laurent