Re: [Xc3sprog-users] xc3sprog and Digilent "atlys" board?

[Uwe B. <bo...@el...>]

>>>>> "Joris" == Joris van Rantwijk <jor...@jo...> writes:

    Joris> Hi Uwe, On 2012-11-23, Uwe Bonnes wrote:
    Sidney> Hello, I am currently considering buying a Digilent Atlys board
    Sidney> (http://www.digilentinc.com/Products/Detail.cfm?NavPath=2,400,836&Prod=ATLYS),
    Sidney> and I am wondering if it is possible to program its Spartan-6
    Sidney> using xc3sprog.

    >> If you buy the card and test, please let me know the results.

    Joris> I just got an Atlys board. I can confirm that xc3sprog programs
    Joris> the Spartan-6 FPGA on the Atlys board without any issues if a
    Joris> separate JTAG cable is used.

    Joris> The Atlys board also has an on-board JTAG-USB programmer based on
    Joris> a Cypress FX2, but it uses a proprietary USB protocol and
    Joris> therefore does not work with xc3sprog.

Did you try the the xpc cable? Perhaps it Digilent uses that cable?

    Joris> Programming the SPI flash chip on the Atlys board needed some
    Joris> work.  xc3sprog SVN r717 gives the following error message: Found
    Joris> Numonyx Device, Device ID 0xba18 M25P: Unexpected RDID upper
    Joris> Device ID 0xba

    Joris> I added support for N25Q devices in progalgspiflash.cpp to fix
    Joris> it.  This is now committed in SVN r718 (shout if you disagree).

Thanks

    Joris> Of course, a bscan_spi bitfile is needed to access the SPI
    Joris> memory. The xc3sprog distribution already contains
    Joris> xc6slx45-fg484.bit which appears to work with the Atlys
    Joris> board. However, the Atlys FPGA is xc6slx45-csg324.  Do you know
    Joris> if it is safe to use bscan_spi files for a different package, or
    Joris> should I build a separate bitfile for csg324?

Probably it is the same chip in the  csg324 and  fg484 package. If it works,
it should be safe.

Bye

-- 
Uwe Bonnes                bo...@el...

Institut fuer Kernphysik  Schlossgartenstrasse 9  64289 Darmstadt
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