[U-Boot] How to burn new U-Boot over network

alex889 alex889 at gmail.com
Mon Sep 7 14:18:43 CEST 2009


Thanks for your answer.
I tried this before i posted the question, and it didn't work.

Do you know the exact address of the U-Boot on the NAND?
Is there an additional header before the U-Boot?

Alex

Daniel Gorsulowski wrote:
> 
> alex889 wrote:
>> Hi,
>> I'm working on the DM365evm,
>> and i was wondering if there is a way to burn new U-Boot version over
>> network, instead of Code Composer and a JTAG?
>>
>> Thanks,
>> Alex
> 
> Hi Alex,
> 
> of course it's possible!
> But it depends on the location of your U-Boot.
> 
> I.e. your U-Boot is located in dataflash or NAND flash:
> 
> 	tftp $(loadaddress) $(img)
> 	protect off $(start) $(end)
> 	erase $(start) $(end)
> 	cp.b $(loadaddress) $(start) $(filesize)
> 
> $(loadaddress) - the temporary RAM address for downloading new U-Boot
> $(img)         - the path to your new U-Boot image (i.e.
> /tftpboot/update/u-boot.img)
> $(start)       - the flash address, where U-Boot is located
> $(end)         - $(start) + maximum size of U-Boot (erasesize)
> $(filesize)    - set automatically after tftp transfer
> 
> Regards
> Daniel
> 
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
> 
> 

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