[uClinux-dev] FEC freezes on m5235evb from flash

Heiko Degenhardt heiko.degenhardt at dhd-audio.de
Wed Oct 19 08:28:14 EDT 2005


Hi Stefano,

Stefano Caioli wrote:
[...]
> If i use dbug loading the image in ram at 0x20000 with DN command the FEC works fine.
> If i copy the image in flash at 0xff40000 (i.e. after dbug) then
> when dbug starts i copy from flash to ram at 0x20000 with the console command BM
> i have the same problem the FEC DOESN'T work.
> This is very strange , it looks like somewhat passing the uClinux image trought the
> flash altering the FEC behavior!

may be dBUG is initializing the FEC only on first use of the 
network? Could you try the following test:
- Force dBUG to download an not existing image, eg "dn nothing.bin" 
(something you don't have on your tftp server)
- Then try the "bn" command, and see if that works.

Rgds.
Heiko.




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