Hi Andrew, 

On Thu, 8 Mar 2007, Andrew Armstrong wrote:

> Peter,
> 
> I will have a more detailed look at this! I assumed that the Ti
> DVserialboot was essentially providing the second level boot loader. If
> this is not the case it would explain a lot.

Never saw this TI tool. Where did you get it ?? 

Ciao, 

Peter  

> Regards,
> 
> Andrew
> 
> Thu, 2007-03-08 at 11:16 +0100, Peter Wippich wrote:
> > Hi Andrew,
> > 
> > you can not load u-boot directly through uart because the uart load goes 
> > to internal ram which simply isn't big enough. You need a second level 
> > boot loader which fits in internal ram and than loads u-boot to external 
> > ram. Rudy has provided such a beast here (check the archives, about last 
> > August). 
> > 
> > Further, you neeed to compile u-boot without low level initialization 
> > (already done by second level boot loader) and without relocation from 
> > flash to ram (it is alreday loded to ram....). You can do this in the 
> > config file (davinci.h) he following does the trick for me: 
> > 
> > /* for Ram load version do not do low level init and do not relocate */
> > #undef  CONFIG_INIT_CRITICAL
> > #define CONFIG_SKIP_LOWLEVEL_INIT
> > /* #define CONFIG_SKIP_RELOCATE_UBOOT not needed, tested by boot code */ 
> > 
> > I use a newer version of u-boot here (1.1.6), but this should also work 
> > for the older version. When I find the time to clean up my code I'll send 
> > a patch for some actual u-boot for davinci here. Maybe within the next two 
> > weeks. 
> > 
> > Ciao, 
> > 
> > Peter 
> >   
> > 
> > On Thu, 8 Mar 2007, Andrew Armstrong wrote:
> > 
> > > Hi Guys,
> > > 
> > > Have any of you managed to compile and get running U-BOOT via the source
> > > available on the Ti website? (u-boot-1.1.3_rel_00.05.04-tisb.tar.gz)
> > > 
> > > As far as I am aware I have correctly configured and made the project
> > > (for default NOR), however the uboot.bin file generated, once uploaded
> > > via dvserialboot, appears just the brick the EVM. 
> > > 
> > > I have compared the file to the old supplied .bin files and they are of
> > > similar size and structure.
> > > 
> > > Any ideas?
> > > 
> > > Regards,
> > > 
> > > Andrew
> > > 
> > > _______________________________________________
> > > Davinci-linux-open-source mailing list
> > > [email protected]
> > > http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
> > > 
> > 
> > 
> > |       Peter Wippich                   Voice: +49 30 46776411          |
> > |       G&W Instruments GmbH            fax:   +49 30 46776419          |
> > |       Gustav-Meyer-Allee 25, Geb. 12  Email: [EMAIL PROTECTED]   |
> > |       D-13355 Berlin  / Germany                                       |
> > 
> 
> 


|       Peter Wippich                   Voice: +49 30 46776411          |
|       G&W Instruments GmbH            fax:   +49 30 46776419          |
|       Gustav-Meyer-Allee 25, Geb. 12  Email: [EMAIL PROTECTED]   |
|       D-13355 Berlin  / Germany                                       |

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