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Message
From: Jeremy Fillingim<jfilling@g...>
Date: Wed May 18 05:14:34 CEST 2005
Subject: [openrisc] How to link the JTAG interface
I assume you just want to be able to use GDB to debug code running on
your OR1200.
You don't need to link the OR1200 JTAG interface to the FPGA JTAG
interface. Just route the JTAG pins from the OR1200 out to available
GPIOs and connect your JTAG cable to those pins.
This works very well for debugging code.
I can think of a way to put the OR1200 JTAG and the FPGA JTAG in a
single loop, but it doesn't seem very useful since you'd lose the
ability to configure the FPGA via JTAG.
On 5/17/05, Amr El Dieb <amr@s...> wrote:
>
> I am trying to implement the OR1200 microprocessor on Virtex II FPGA,
> and i want to link the local JTAG interface of the OR1200 (debug port)
> to the external JTAG interface of the FPGA. So, i want to ask if this is
> possible or not? and if it is possible, how i can do it?
>
> Thanks in advance.
>
> _______________________________________________
> http://www.opencores.org/mailman/listinfo/openrisc
>
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