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Technical discussions related to Analog Devices DSPs (including Blackfin, TigerSHARC, SHARC and ADSP-21xx DSPs).

  

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Boot from EPROM - gaurav_nukala - May 22 16:37:00 2003



Hi all
I want to know the procedure to boot the dsp from EPROM ie
1. changing the ldf
2. the boot loader program(do i have to include it my project)..and
how to link my boot loader program and my application code(how i
have to initilaize somewhere in my program)
3.what file do i load into the EPROM
4.is it necessary to initilaize the dsp,sdram having included the ldf

plz send me all the links and material where i could gain some
knowledge on.....

does anyone has a such ldf ....i m using ADSP21065L...
thanking you
reddy





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Re: Boot from EPROM - Mike Rosing - May 22 18:36:00 2003

On Thu, 22 May 2003, gaurav_nukala wrote:

> I want to know the procedure to boot the dsp from EPROM ie
> 1. changing the ldf
> 2. the boot loader program(do i have to include it my project)..and
> how to link my boot loader program and my application code(how i
> have to initilaize somewhere in my program)
> 3.what file do i load into the EPROM
> 4.is it necessary to initilaize the dsp,sdram having included the ldf
>
> plz send me all the links and material where i could gain some
> knowledge on.....

All that info is in the manual under "Booting". It should tell you
everything you need to know. You just burn the bytes in the right order
and the processor reads them - it should read 6*256 bytes in least
significant order first. There should be an elftohex utility for that,
but you can write your own fairly easily.

Patience, persistence, truth,
Dr. mike




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