Hi Philippe,
the best solution for me is to recompile dBug.
I just asked to my customer to get the Metrowerks compiler...
I hope that I'll be able to recompile and download dBug in a little time.
Reconfiguring ram at run time is a difficult issue and I think that it's
too expensive in terms of development time.
Thank you very much!
Alessandro
Philippe De Muyter ha scritto:
On Fri, Apr 16, 2010 at 12:57:23PM +0200, Alessandro Guerra wrote:
Hi,
I've made some tests to understand better the base mechanism of ram
configuration.
Unfortunately, I found that uClinux uses the ram initializations of dBug
bootloader.
The kernel sees that the ram is already initialized, so it does not
reinitialize it.
For me this is a problem, because I cannot recompile and flash dBug.
Have you asked Sentec ?
So the only way to have 32MB working instead of 16, is to reconfigure the
sdram controller.
uClinux doesn't do that automatically... Does anyone know how to do this?
I tried simply to rewrite the sdram controller registers of the Coldfire
processor, but
this action blocks the execution of the kernel. It freezes all.
That's normal. You may not use your dram when reprogramming the sdram
controller. Try to execute from flash or sram (and without any access to
ram for e.g. local variables and subroutines).
Best regards
Philippe
--
Alessandro Guerra
Autron srl
via per Mirandola, 8
41033 Concordia s/S (MO) - Italy
Tel : +39-0535.57276
Fax : +39-0535.412795
web: http://www.autron.net
mailto: ague...@autron.net
PRIVACY
Ai sensi della D.Lgs. 196/03 si precisa che le informazioni contenute in questo
messaggio sono riservate ed a uso esclusivo del destinatario. Qualora il
messaggio in parola Le fosse pervenuto per errore, la preghiamo di eliminarlo
senza copiarlo e di non inoltrarlo a terzi, dandocene gentilmente
comunicazione. Grazie.
DISCLAIMER
This message, for the law 196/03, may contain confidential and/or privileged information. If you are not the intended recipient or authorized to receive this for the addressee, you must not use, copy, disclose or take any action based on this message or any information herein. If you have received this message in error, please advise the sender immediately by reply e-mail and delete this message. Thank you for your cooperation.
_______________________________________________
uClinux-dev mailing list
uClinux-dev@uclinux.org
http://mailman.uclinux.org/mailman/listinfo/uclinux-dev
This message was resent by uclinux-dev@uclinux.org
To unsubscribe see:
http://mailman.uclinux.org/mailman/options/uclinux-dev
