[U-Boot-Users] booting U-Boot from dBug?

[Tord Andersson]

Hi,

As Wolfgang Denx has pointed out you can use the low boot option when
building.
Put the binary image on your tftp server and set up dBUG to download the
u-boot binary image through tftp with the dn command. Then use the dBug
fp command to burn the image to low boot flash
An example for a 16Mbyte MPC5200 Lite card:
 
fp FF000000 FF035250 20000

where "FF035250" will have to be adjusted for your image size.
"20000" is where the image ends up in RAM after tftp download.

I had problems using tftp at 100Mbps but these problems vanished when I 
put a 10 Mbps hub between the 5200lite and the rest of the net,
forcing the ethernet to 10 Mbps, half duplex.


Kind regards,

Tord  


> -----Original Message-----
> From: Daniel Poirot [mailto:dtpoirot at hotmail.com] 
> Sent: den 20 november 2003 19:02
> To: u-boot-users at lists.sourceforge.net
> Subject: [U-Boot-Users] booting U-Boot from dBug?
> 
> 
> Howdy all,
> 
> Is there a way to load U-Boot from another bootloader?
> 
> I would like to be able to load a development version of 
> U-Boot from the 
> Motorola dBug on my MPC5200 board.
> 
> Thanks,
> - dan
> 
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