SiRFFlash

SiRFflash is a fast in-circuit flash memory programming utility for target systems based on SiRF Technology's GSP3 and GSP2 families of chips.

It needs only some kind of serial connection (such as wire, USB to serial, or Bluetooth) to communicate with the target system, supports a variety of flash chips from leading manufacturers and multiple file formats. You can use it to program and read flash memory on your GSP3 or GSP2 family based target.