Ok, It worked. Now I've another problem. I've tryed to run a uClinux kernel in my nios processor. I've compiled the kernel and I've tryed to run it (http://www.nioswiki.com/operatingsystems/uclinux/uclinuxdist, but I've received :
$ nios2-download images/zImage
Using cable "USB-Blaster ", device 1, instance 0x00
Pausing target processor: OK
Initializing CPU cache (if present)
OK
Downloaded 1268KB in 10.9s (116.3KB/s)
Verifying 03500000 ( 0%)
Verify failed between address 0x3500000 and 0x3502A65
Leaving target processor paused
The processor is in attachements. I used nios2eds 8.0 for linux