
31 Jul
2004
31 Jul
'04
2:34 p.m.
In message 410B8AD2.9050306@rochester.rr.com you wrote:
And which data are you RADING from SDRAM?
The data that was copied prior to the branch to SDRAM.
Then you should be able to single-step the code in the debugger.
You wrote you are using a BDI2000 - you can use it to single step into the code in SDRAM. What does this give? And if you get an exception - where does it happen? What was the incorrect data?
I get an exception on the first access of SDRAM (the address branched to
Even when single stepping? What sort of exception, btw?
I have checked the SDRAM initialization and it appears to be correct. With the logic analyzer, I will check out the burst read cycle.
Good luck!
Best regards,
Wolfgang Denk
--
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd@denx.de
It is your destiny. - Darth Vader