Hi Max,
> ... but I don't get the u-boot prompt in my terminal. It freezes.
What terminal software are you using? Do you have the comm
parameters set for 115200,N,8,1?
> Is it normal that the downloaded size is inferior to the .srec file size ?
Yes ... an srec will be at least twice the size of its associated binary.
> Do I have to erase the uClinux in order to keep the processor blank of
> duties before d/l ?
No. u-boot should be linked to an SDRAM/SRAM address. When you
download it, the -g option will will cause u-boot to be executed.
BTW: Which Cyclone board are you using?
--Scott