[U-Boot-Users] Reg. porting to pT-110 (ARM7TDMI??)

[U-Boot-Users] Reg. porting to pT-110 (ARM7TDMI??)

[Joe Steeve]

Hello.,

I'm trying to port the u-boot to a SigmaDesigns board. The board has a
pT-110 based core. I know it is an ARM core., but not sure which version
 of the ARM. Google did not help much as the PicoTurbo (the original
makers of pT-110) is out of business.

If anyone has worked on a related core., can you please confirm whether
this is an ARM7TDMI compatible core?

And., any known issues on porting the u-boot to that processor?

Thanks

-- 
Joe Steeve
Sliceware Private Limited


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[U-Boot-Users] Reg. porting to pT-110 (ARM7TDMI??)

[Jeff Mock]

I know a bit about the picoturbo core, I'm pretty sure that is a
regulation v4 implementation of the ARM architecture.  It should be
equivalent to the "TDMI" type of ARM processor like the ARM7TDMI.

I thought picoturbo signed over all of the pt-1xx assets over to ARM as
part of the patent lawsuit resolution and ARM killed the design?  What
is this board you have?  Is it something old or did the picoturbo
designs come back to life?

jeff


Joe Steeve wrote:
> Hello.,
> 
> I'm trying to port the u-boot to a SigmaDesigns board. The board has a
> pT-110 based core. I know it is an ARM core., but not sure which version
>  of the ARM. Google did not help much as the PicoTurbo (the original
> makers of pT-110) is out of business.
> 
> If anyone has worked on a related core., can you please confirm whether
> this is an ARM7TDMI compatible core?
> 
> And., any known issues on porting the u-boot to that processor?
> 
> Thanks
> 
> 
> 
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[U-Boot-Users] Reg. porting to pT-110 (ARM7TDMI??)

[Joe Steeve]

Jeff Mock wrote:
> I know a bit about the picoturbo core, I'm pretty sure that is a 
> regulation v4 implementation of the ARM architecture.  It should be 
> equivalent to the "TDMI" type of ARM processor like the ARM7TDMI.

Ok., thats what I've assumed. Hope I dont run into surprises. :-S

> I thought picoturbo signed over all of the pt-1xx assets over to ARM
> as part of the patent lawsuit resolution and ARM killed the design?

Yeah., it did. And., the PicoTurbo site is no more. And., no manuals for
that core around either. :(

> What is this board you have?  Is it something old or did the
> picoturbo designs come back to life?

This is a board provided by SigmaDesigns based on their 8620L product
(http://www.sigmadesigns.com/public/Products/EM8620L/EM8620L_series.html).

In the u-boot sources., I dont see a CPU architecture for ARM7TDMI., but
I do see a folder for ARM720T which ARM's site says belongs to the same
ARM7 family. I guess that'll be my starting point :)

-- 
Joe Steeve
Sliceware Private Limited


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