Re: [OpenOCD-devel] JTAG chain with multiple devices

[Andrew L. <cor...@gm...>]

On 21/11/12 9:06 AM, Akos Vandra wrote:
> Hi!
>
> I'm trying to get OpenOCD to work with a jtag chain with multiple 
> devices, namely a xilinx FPGA, a CPLD, a platform flash, and a 
> cortex-m3 (lpc17xx).
>
> Auto-detecting the jtag chain seems to work fine (I get four devices, 
> with detected idcode and irlen), but I also get an error, stating that 
> thread looks like 0x03FFFFFFFFFFFFFFFFFFFF0105, and it should end look 
> like 0x.....3.
>
> Has anyone successfully made openocd work with a chain with multiple 
> devices? Can you send a sample configuration file, so I can start 
> debugging from something that *should* work? Even if it's not the same 
> devices...
>
> Does anyone have any idea what could be broken?
>
> Regards,
>   Ákos Vandra
>
Hi Ákos,
I'm using a chain that includes a lpc3131 and a Actel FPGA with no 
problems, I've attached my cfg file.

Other than that I'm not too sure, but it could certainly help to copy 
the errors verbosely.

Cheers,
Andrew