208 lines
9.7 KiB
HTML
208 lines
9.7 KiB
HTML
<!DOCTYPE html>
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<html lang="en" data-content_root="../">
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<meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="viewport" content="width=device-width, initial-scale=1" />
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<title>Gowin notes — openFPGALoader: universal utility for programming FPGA latest documentation</title>
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</head><body>
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<div class="document">
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<div class="documentwrapper">
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<div class="bodywrapper">
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<div class="body" role="main">
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<section id="gowin-notes">
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<span id="gowin"></span><h1>Gowin notes<a class="headerlink" href="#gowin-notes" title="Link to this heading">¶</a></h1>
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<section id="gowin-gw1n">
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<h2>GOWIN GW1N<a class="headerlink" href="#gowin-gw1n" title="Link to this heading">¶</a></h2>
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<div class="admonition note">
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<p class="admonition-title">Note</p>
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<ul class="simple">
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<li><p>Trenz TEC0117</p></li>
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<li><p>Sipeed Tang Nano</p></li>
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<li><p>Sipeed Tang Nano 4K</p></li>
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<li><p>Honeycomb</p></li>
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<li><p>RUNBER</p></li>
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</ul>
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</div>
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<p><code class="docutils literal notranslate"><span class="pre">.fs</span></code> file is the default format generated by <em>Gowin IDE</em>, so nothing special must be done to generates this file.</p>
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<p>Since the same file is used for SRAM and Flash a CLI argument is used to specify the destination.</p>
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<section id="flash-sram">
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<h3>Flash SRAM<a class="headerlink" href="#flash-sram" title="Link to this heading">¶</a></h3>
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<p>with <code class="docutils literal notranslate"><span class="pre">-m</span></code>:</p>
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<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>openFPGALoader<span class="w"> </span>-m<span class="w"> </span>-b<span class="w"> </span>BOARD_NAME<span class="w"> </span>impl/pnr/*.fs
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</pre></div>
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</div>
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<p>where <code class="docutils literal notranslate"><span class="pre">BOARD_NAME</span></code> is:</p>
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<ul class="simple">
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<li><p><code class="docutils literal notranslate"><span class="pre">tec0117</span></code></p></li>
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<li><p><code class="docutils literal notranslate"><span class="pre">tangnano</span></code></p></li>
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<li><p><code class="docutils literal notranslate"><span class="pre">tangnano1k</span></code></p></li>
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<li><p><code class="docutils literal notranslate"><span class="pre">tangnano4k</span></code></p></li>
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<li><p><code class="docutils literal notranslate"><span class="pre">tangnano9k</span></code></p></li>
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<li><p><code class="docutils literal notranslate"><span class="pre">tangnano20k</span></code></p></li>
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<li><p><code class="docutils literal notranslate"><span class="pre">tangprimer20k</span></code></p></li>
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<li><p><code class="docutils literal notranslate"><span class="pre">runber</span></code></p></li>
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</ul>
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</section>
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<section id="flash">
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<h3>Flash<a class="headerlink" href="#flash" title="Link to this heading">¶</a></h3>
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<div class="admonition attention">
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<p class="admonition-title">Attention</p>
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<p>Only with Trenz TEC0117 and runber.</p>
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</div>
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<p>with <code class="docutils literal notranslate"><span class="pre">-f</span></code>, file load:</p>
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<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>openFPGALoader<span class="w"> </span>-f<span class="w"> </span>-b<span class="w"> </span>BOARD_NAME<span class="w"> </span>impl/pnr/*.fs
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</pre></div>
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</div>
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<p>where <code class="docutils literal notranslate"><span class="pre">BOARD_NAME</span></code> is:</p>
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<ul class="simple">
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<li><p><code class="docutils literal notranslate"><span class="pre">tec0117</span></code></p></li>
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<li><p><code class="docutils literal notranslate"><span class="pre">runber</span></code></p></li>
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</ul>
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<p>It’s possible to flash external SPI Flash (connected to MSPI) in bscan mode by using <code class="docutils literal notranslate"><span class="pre">--external-flash</span></code> instead of
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<code class="docutils literal notranslate"><span class="pre">-f</span></code>.</p>
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<div class="admonition note">
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<p class="admonition-title">Note</p>
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<p>Gowin’s FPGA may fails to be detected if <strong>JTAGSEL_N</strong> (pin 08 for <em>GW1N-4K</em>) is used as a GPIO.
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To recover you have to pull down this pin (before power up) to recover JTAG interface (<em>UG292 - JTAGSELL_N section</em>).</p>
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</div>
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</section>
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<section id="user-flash">
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<h3>User Flash<a class="headerlink" href="#user-flash" title="Link to this heading">¶</a></h3>
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<div class="admonition attention">
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<p class="admonition-title">Attention</p>
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<p>User Flash support is based on reverse engineering of the JTAG protocol. This functionality should be considered
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experimental as it hasn’t been thoroughly tested, and may in some circumstances destroy your device.</p>
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</div>
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<p>Gowin FPGA come with extra flash space that can be read and written from the programmable logic (“User Flash”). This
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flash section can also be programmed via the JTAG interface:</p>
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<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>openFPGALoader<span class="w"> </span>--write-flash<span class="w"> </span>/path/to/bitstream.fs<span class="w"> </span>--user-flash<span class="w"> </span>/path/to/flash.bin
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</pre></div>
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</div>
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</section>
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</section>
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</section>
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</div>
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</div>
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</div>
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<div class="sphinxsidebar" role="navigation" aria-label="Main">
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<div class="sphinxsidebarwrapper">
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<h1 class="logo"><a href="../index.html">openFPGALoader: universal utility for programming FPGA</a></h1>
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<search id="searchbox" style="display: none" role="search">
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</search>
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<script>document.getElementById('searchbox').style.display = "block"</script><h3>Navigation</h3>
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<p class="caption" role="heading"><span class="caption-text">User Guide</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../guide/first-steps.html">First steps with openFPGALoader</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../guide/install.html">Installing openFPGALoader</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../guide/troubleshooting.html">Troubleshooting Guide</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../guide/advanced.html">Advanced usage of openFPGALoader</a></li>
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</ul>
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<p class="caption" role="heading"><span class="caption-text">Compatibility</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../compatibility/fpga.html">FPGAs</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../compatibility/board.html">Boards</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../compatibility/cable.html">Cables</a></li>
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</ul>
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<p class="caption" role="heading"><span class="caption-text">Vendors</span></p>
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<ul class="current">
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<li class="toctree-l1"><a class="reference internal" href="anlogic.html">Anlogic notes</a></li>
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<li class="toctree-l1"><a class="reference internal" href="colognechip.html">Cologne Chip notes</a></li>
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<li class="toctree-l1"><a class="reference internal" href="efinix.html">Efinix notes</a></li>
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<li class="toctree-l1 current"><a class="current reference internal" href="#">Gowin notes</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="#gowin-gw1n">GOWIN GW1N</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="#flash-sram">Flash SRAM</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#flash">Flash</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#user-flash">User Flash</a></li>
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</ul>
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</li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="intel.html">Intel notes</a></li>
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<li class="toctree-l1"><a class="reference internal" href="lattice.html">Lattice notes</a></li>
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<li class="toctree-l1"><a class="reference internal" href="xilinx.html">Xilinx notes</a></li>
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</ul>
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<p class="caption" role="heading"><span class="caption-text">Development</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../todo.html">To Do</a></li>
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</ul>
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<div class="relations">
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<h3>Related Topics</h3>
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<ul>
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<li><a href="../index.html">Documentation overview</a><ul>
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<li>Previous: <a href="efinix.html" title="previous chapter">Efinix notes</a></li>
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<li>Next: <a href="intel.html" title="next chapter">Intel notes</a></li>
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</ul></li>
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</ul>
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</div>
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</div>
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</div>
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<div class="clearer"></div>
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©2019-2022, Gwenhael Goavec-Merou and contributors.
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