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RE: Load Redboot RAM through serial


On Fri, 2001-09-21 at 01:08, Trenton D. Adams wrote:
> I was thinking more along the lines of actually starting it through the
> serial port.  eg. loading it as the boot program.  I need this because
> we're changing FLASH from intel to AMD am29xxxxx.  So, using another
> boot monitor won't work because you have to be able to program flash in
> the first place.  Since all the boot/debug monitors for the board are
> designed for the flash that's on the development board, I won't be able
> to use that flash.
> 
> In particular, I would like to be able to start a RAM version of RedBoot
> by loading it through the serial port.  I could then modify just the
> Redboot source to use the FLASH that we are using.  This would be all I
> need since I could then write a ROM version of redboot to FLASH for
> startup.
> 

We go through exactly this process all the time as part of bringing up
RedBoot on new hardware.

Have you tried it?  If so, what problems did you have?

> -----Original Message-----
> From: Fabrice Gautier [mailto:Fabrice_Gautier@sdesigns.com] 
> Sent: Wednesday, September 19, 2001 10:25 PM
> To: 'Trenton D. Adams'; 'eCos Discussion'; 'Trenton D. Adams'; 'eCos
> Discussion'
> Subject: RE: [ECOS] Load Redboot RAM through serial
> 
> 
> 
> 
> > -----Original Message-----
> > From: Trenton D. Adams [mailto:tadams@theone.dnsalias.com]
> > Subject: [ECOS] Load Redboot RAM through serial
> > 
> > Is it possible to have Redboot start right after being loaded through
> > the serial port on an edb7xxx board?  I know, anything is possible! ;)
> > 
> > Has anyone ever done this?
> 
> I've done this on the ARM Integrator Board.
> 
> I Used default redboot template then change startup to RAM. Loaded the
> image
> with the ARM Boot Monitor et voila...
> 
> Regards,
> 



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