It is a Cypress firmware tool that cannot be used to download bitstream.

It can be used to download a .iic file (EZ-USB FX2LP USB FX2 microcontroller firmware) with the following procedures:

• recovery boot (USB EEPROM programming),  it doesn't require that a firmware is already downloaded on the USB FX2 microcontroller; 
• update boot aka upgrade a Genetarion3 firmware version (USB EEPROM programming), it does require that a Generation 3 firmware is already downloaded on the USB FX2 microcontroller.

For actual procedures see here, here and here.