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   4                 <TITLE>XILINX USB/Parallel JTAG cables on Linux without windrvr</TITLE>
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   7                 <H1>XILINX JTAG tools on Linux without proprietary kernel modules</H1>
   8                 <H2>About</H2>
   9                 <P>
  10                 When using <a href="http://www.xilinx.com">XILINX</a> JTAG software like Impact, Chipscope and XMD
  11                 on Linux, the proprietary kernel module <i>windrvr</i> from <a href="http://www.jungo.com">Jungo</a>
  12                 is needed to access the parallel- or usb-cable.
  13                 As this module does not work with current linux kernel versions (&gt; 2.6.18) a library was developed,
  14                 which emulates the module in userspace and allows the tools to access the JTAG cable without the need
  15                 for a proprietary kernel module.
  16                 </P>
  17                 <P>
  18                 The library uses <a href="http://libusb.sourceforge.net/">libusb</a> to access USB devices and the
  19                 <a href="http://people.redhat.com/twaugh/parport/html/x623.html">ppdev</a> interface to communicate
  20                 with parallel cables. The parallel part currently only supports Parallel Cable III mode (and PCIV in
  21                 PCIII compatibility mode) as the faster PCIV modes use another kernel module which is not emulated by
  22                 this library. So you are limited to a 200kHz JTAG clock when using Parallel Cable IV with this software.
  23                 The USB cable is supported at full speed.
  24                 </P>
  25                 <P>
  26                 Experimental support for FTDI 2232 based devices has been added. They are seen by Impact as a Parallel
  27                 Cable III. These devices are currently significantly slower than every other supported cable.
  28                 </P>
  29                 <P>
  30                 The library is called <i>libusb-driver</i> as it was developed to support the USB cable, but later
  31                 extended to also support parallel cables.
  32                 </P>
  33                 <P><B>News</B>
  34                 <UL>
  35                         <LI><P><I>2008-03-26</I>: Xilinx has released their own drivers based on libusb with ISE Design Suite 10.1.
  36                         To use them, you need to set the environment-variable <kbd>XIL_IMPACT_USE_LIBUSB</kbd> to <kbd>1</kbd>
  37                         before running the tools. The driver on this page no longer needs to be preloaded if you only used
  38                         it to access USB cables. Parallel port support still seems to rely on <i>windrvr</i>, which can be
  39                         emulated by <i>libusb-driver</i>.</P>
  40                         <P><B>Using 32-bit ISE 10.1 on a 64-bit platform:</B> When using the 32-bit JTAG tools from ISE Design
  41                         Suite 10.1 on a 64-bit machine, the tools will not connect to the cable but output the following
  42                         error: <I>Cable operation is not supported when running the 32-bit version of the application on a
  43                         64-bit platform.</I>
  44                         To fix this, run the tools with <KBD>linux32</KBD> or preload the newest 32-bit version of
  45                         <i>libusb-driver</i>. This will lead the tools to believe that they are running on a 32-bit
  46                         platform and allows them to connect to the cable.</P></LI>
  47
  48                         <LI><P><I>2009-05-31</I>: ISE Design Suite 11.1 now uses Xilinx's libusb-based drivers as default, without
  49                         the need to set <kbd>XIL_IMPACT_USE_LIBUSB</kbd>. If you want to use this driver with ISE 11.1 for USB
  50                         cables and disable the builtin support for libusb, you now have to set <kbd>XIL_IMPACT_USE_LIBUSB</kbd>
  51                         to <kbd>0</kbd> (<kbd>export XIL_IMPACT_USE_LIBUSB=0</kbd> or <kbd>setenv XIL_IMPACT_USE_LIBUSB 0</kbd>).
  52                         For parallel cables Xilinx still relies on <i>windrvr</i>. This library works fine with parallel cables and
  53                         ISE 11.1 with no need for <i>windrvr</i>.</P></LI>
  54
  55                         <LI><P><I>2010-03-15</I>: If you are using newer udev-versions (like the version included in Debian Squeeze
  56                         and Ubuntu 9.10), then the file <i>/etc/udev/rules.d/xusbdfwu.rules</i> is incompatible with this udev
  57                         version. The effect of this is that the cable-firmware gets never loaded and the cable led never lights up.</P>
  58                         <P>To fix this, run the following command as root:<BR>
  59                         <kbd>sed -i -e 's/TEMPNODE/tempnode/' -e 's/SYSFS/ATTRS/g' -e 's/BUS/SUBSYSTEMS/' /etc/udev/rules.d/xusbdfwu.rules</kbd><BR>
  60                         You may have to reboot for this change to take effect.</P></LI>
  61                 </UL>
  62                 </P>
  63                 <H2>Supported Cables</H2>
  64                 The following cables are reported to work with this driver:
  65                 <ul>
  66                         <li><a href="http://www.xilinx.com/support/documentation/data_sheets/ds593.pdf">XILINX Platform Cable USB II</a></li>
  67                         <li><a href="http://direct.xilinx.com/bvdocs/publications/ds300.pdf">XILINX Platform Cable USB DLC9, DLC9LP and DLC9G</a></li>
  68                         <li><a href="http://www.xilinx.com/s3estarter">Integrated Platform Cable USB on Spartan 3E starter kit</a></li>
  69                         <li><a href="http://www.xilinx.com/s3astarter">Integrated Platform Cable USB on Spartan 3A starter kit</a></li>
  70                         <li><a href="http://www.digilentinc.com/Products/Detail.cfm?Nav1=Products&Nav2=Programmable&Prod=XUPV2P">Integrated Platform Cable USB on XUP-V2Pro</a></li>
  71                         <li><a href="http://direct.xilinx.com/bvdocs/publications/ds097.pdf">XILINX Parallel Cable IV</a> (in Parallel Cable III compatibility mode)</li>
  72                         <li>FCPU-X platform cable (XILINX Platform Cable USB clone)</li>
  73                         <li><a href="http://www.enterpoint.co.uk/">Enterpoint Prog2</a> Parallel Cable III clone</li>
  74                         <li><a href="http://www.trenz-electronic.de/">Trenz TE0149-01</a> Parallel Cable III clone</li>
  75                         <li><a href="http://www.digilentinc.com/Products/Catalog.cfm?Nav1=Products&amp;Nav2=Cables&amp;Cat=Cable">Digilent JTAG3</a> Parallel Cable III clone</li>
  76                         <li><a href="http://www.amontec.com/">Amontec JTAGkey-Tiny</a> (experimental)</li>
  77                 </ul>
  78                 These cables should work but have not yet been tested:
  79                 <ul>
  80                         <li>Integrated Platform Cable USB on other development boards</li>
  81                         <li>other Parallel Cable III clones</li>
  82                         <li>other FTDI2232 based devices which use the chips standard JTAG pinout (experimental)</li>
  83                 </ul>
  84                 <H2>Supported Software</H2>
  85                 The following software is reported to work with this driver:
  86                 <ul>
  87                         <li><a href="http://www.xilinx.com/tools/designtools.htm">ISE 11</a> (all editions)</li>
  88                         <li><a href="http://www.xilinx.com/ise/logic_design_prod/webpack.htm">ISE Webpack 10.1</a></li>
  89                         <li><a href="http://www.xilinx.com/ise/logic_design_prod/webpack.htm">ISE Webpack 9.2 SP1, SP2, SP3 and SP4</a></li>
  90                         <li><a href="http://www.xilinx.com/ise/logic_design_prod/webpack.htm">ISE Webpack 9.1 SP1, SP2 and SP3</a></li>
  91                         <li><a href="http://www.xilinx.com/ise/logic_design_prod/webpack.htm">ISE Webpack 8.2 SP3</a></li>
  92                         <li><a href="http://www.xilinx.com/ise/logic_design_prod/webpack.htm">ISE Webpack 8.1 SP3</a></li>
  93                         <li><a href="http://www.xilinx.com/ise/optional_prod/cspro.htm">ChipScope Pro 10.1</a></li>
  94                         <li><a href="http://www.xilinx.com/ise/optional_prod/cspro.htm">ChipScope Pro 9.2.01i, 9.2.02i, 9.2.03i and 9.2.04i</a></li>
  95                         <li><a href="http://www.xilinx.com/ise/optional_prod/cspro.htm">ChipScope Pro 9.1.02i and 9.1.03i</a></li>
  96                         <li><a href="http://www.xilinx.com/ise/optional_prod/cspro.htm">ChipScope Pro 8.2.04i</a></li>
  97                         <li><a href="http://www.xilinx.com/ise/embedded_design_prod/platform_studio.htm">EDK 10.1</a></li>
  98                         <li><a href="http://www.xilinx.com/ise/embedded_design_prod/platform_studio.htm">EDK 9.2.01i and 9.2.02i</a></li>
  99                         <li><a href="http://www.xilinx.com/ise/embedded_design_prod/platform_studio.htm">EDK 9.1.01i and 9.1.02i</a></li>
 100                         <li><a href="http://www.xilinx.com/ise/embedded_design_prod/platform_studio.htm">EDK 8.2.02i</a></li>
 101                         <li><a href="http://www.xilinx.com/ise/embedded_design_prod/platform_studio.htm">EDK 8.1.02i</a></li>
 102                         <li><a href="http://www.synplicity.com/products/identify/index.html">Synplicity Identify Debugger</a></li>
 103                 </ul>
 104                 <H2>Download</H2>
 105                 <ul>
 106                         <li>Download <a href="http://git.zerfleddert.de/cgi-bin/gitweb.cgi/usb-driver?a=snapshot;h=HEAD;sf=tgz">usb-driver-HEAD.tar.gz</a> (to build it, you need to have the libusb development package installed. It is called libusb-dev on Debian.)</li>
 107                         <li>Read the <a href="http://git.zerfleddert.de/cgi-bin/gitweb.cgi/usb-driver?a=blob_plain;f=README;hb=HEAD">README</a></li>
 108                         <li>Browse the <a href="http://git.zerfleddert.de/cgi-bin/gitweb.cgi/usb-driver?a=tree">Git repository</a> (<a href="http://git.zerfleddert.de/cgi-bin/gitweb.cgi/usb-driver">Summary</a>)</li>
 109                         <li>Precompiled <a href="libusb-driver.so">libusb-driver.so</a> for Debian Etch, but better build your own</li>
 110                         <li>Clone the <a href="http://git.or.cz/">Git</a> repository with: <kbd>git clone git://git.zerfleddert.de/usb-driver</kbd></li>
 111                 </ul>
 112                 <H2>Links</H2>
 113                 <ul>
 114                         <li><a href="http://groups.google.com/group/comp.arch.fpga/msg/94d8bb1f52e06b44">XILINX listened</a></li>
 115                         <li><a href="http://svenand.blogdrive.com/archive/55.html">Installation instructions using a MacBook running Ubuntu in VMware by Sven Andersson</a></li>
 116                         <li><a href="http://groups.google.com/group/comp.arch.fpga/browse_thread/thread/954a145428ec2c54/555f6bfb766a3a93#555f6bfb766a3a93">Using the libusb-driver on a 64bit system with a 32bit ISE by Ken Ryan</a></li>
 117                         <li><a href="http://groups.google.com/group/comp.arch.fpga/msg/2dfa36541174a4f2">Ubuntu installation instructions by Luzerne</a></li>
 118                         <li><a href="http://www.itee.uq.edu.au/~listarch/microblaze-uclinux/archive/2007/03/msg00101.html">Ubuntu installation instructions by Paul-Armand Verhaegen</a></li>
 119                         <li><a href="http://groups.google.com/group/comp.arch.fpga/browse_frm/thread/f149e5b6028e2c70">Initial announcement on comp.arch.fpga</a></li>
 120                         <li><a href="http://inisyn.org/src/xup/">XUP</a> by inisyn research, opensource JTAG programming for Spartan 3E starter kit USB cable</li>
 121                         <li><a href="http://www.ixo.de/info/usb_jtag/">USB JTAG adapter</a> by Kolja Waschk, opensource integration of the XILINX platform cable USB into OpenOCD and openwince JTAG Tools</li>
 122                         <li><a href="http://www.rogerstech.co.uk/xc3sprog/">Spartan3 JTAG download tools for GNU/Linux (xc3sprog)</a></li>
 123                         <li><a href="http://urjtag.org/">UrJTAG</a>, open source jtag tools with basic support for the xilinx XPCU</a></li>
 124                 </ul>
 125                 <HR>
 126                 <FONT SIZE="-1"><I><A HREF="mailto:cabledriver@zerfleddert.de">Michael Gernoth</A></I></FONT>
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