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 -- Philippe De Muyter phdm at macqel dot be Tel +32 27029044 Macq Electronique SA rue de l'Aeronef 2 B-1140 Bruxelles Fax +32 27029077 _______________________________________________ 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
