Re: [Openocd-development] SPARC processor

[Bruno P. <bru...@un...>]

I made the corrections described in earlier messages about types.h and 
it is getting past jtag_init() now.

Thank you,

Bruno

Bruno Pape wrote:
> Hello,
>
> I am trying to use OpenOCD with an Atmel TSC695F which is a radiation 
> hardened SPARC processor.  Atmel TSC695F 
> <http://www.atmel.com/dyn/products/product_card.asp?part_id=3187>
>
> I am using a "Signalyzer A" and OpenOCD is correctly reading the 
> device's ID code in jtag_examine_chain().
>
> In jtag_validate_chain() it is failing on the second error statement, 
> with the following message:
>
> Error:   jtag.c:1297 jtag_validate_chain(): Error validating JTAG scan 
> chain, IR mismatch, scan returned 0xc1
>
> The IR length for this device is 6, and it looks like OpenOCD is 
> expecting 0x83, which would be 10000011 instead of 11000001.
>
> It wasn't quickly clear to me if IR Capture and IR Capture Mask were 
> being used in this part of the code, or if I have a more fundamental 
> problem.  The following is the jtag_device line that I am using:
>
> jtag_device 6 0x1 0x2f 0x20
>
> I am also trying to get a copy of the IEEE JTAG spec, to see can help 
> fill in any gaps in my knowledge.
>
> At some point I will have to start adding code to support the TSC695F, 
> but it looked like this was rather generic JTAG code.
>
> Please let me know if I can provide any more information, or if anyone 
> has any thoughts or suggestions.
>
> Thank you,
>
> Bruno
>
>