Hi all again,
I solved the previous problem...i had not DMA transfer because descriptors were not allocated in descriptor memory area...
Now I have this problem...from u-boot I can ping my PC but only the first time...when I try another ping debug traces show that RX descriptors stay busy till the timeout...even after SWRESET...
Why RX descriptors cannot be resetted???
I forget...the driver I'm using is altera_tse.c under /u-boot/drivers/net in the version present in the latest distribution from the nioswiki...
Any idea will be well accepted..;)
Thanks