213 lines
6.9 KiB
HTML
213 lines
6.9 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
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<title>CTRL — LiteX SoC Project documentation</title>
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<link rel="stylesheet" type="text/css" href="_static/pygments.css" />
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<link rel="stylesheet" type="text/css" href="_static/alabaster.css" />
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<script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
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<script src="_static/doctools.js"></script>
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<script src="_static/sphinx_highlight.js"></script>
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<script src="_static/default.js"></script>
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<script src="_static/WaveDrom.js"></script>
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<link rel="index" title="Index" href="genindex.html" />
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<link rel="search" title="Search" href="search.html" />
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<link rel="next" title="ETHMAC" href="ethmac.html" />
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<link rel="prev" title="Interrupt Controller" href="interrupts.html" />
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<link rel="stylesheet" href="_static/custom.css" type="text/css" />
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<meta name="viewport" content="width=device-width, initial-scale=0.9, maximum-scale=0.9" />
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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="ctrl">
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<h1>CTRL<a class="headerlink" href="#ctrl" title="Permalink to this heading">¶</a></h1>
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<section id="register-listing-for-ctrl">
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<h2>Register Listing for CTRL<a class="headerlink" href="#register-listing-for-ctrl" title="Permalink to this heading">¶</a></h2>
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<table class="docutils align-default">
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<thead>
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<tr class="row-odd"><th class="head"><p>Register</p></th>
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<th class="head"><p>Address</p></th>
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</tr>
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</thead>
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<tbody>
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<tr class="row-even"><td><p><a class="reference internal" href="#ctrl-reset"><span class="std std-ref">CTRL_RESET</span></a></p></td>
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<td><p><a class="reference internal" href="#ctrl-reset"><span class="std std-ref">0x00000000</span></a></p></td>
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</tr>
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<tr class="row-odd"><td><p><a class="reference internal" href="#ctrl-scratch"><span class="std std-ref">CTRL_SCRATCH</span></a></p></td>
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<td><p><a class="reference internal" href="#ctrl-scratch"><span class="std std-ref">0x00000004</span></a></p></td>
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</tr>
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<tr class="row-even"><td><p><a class="reference internal" href="#ctrl-bus-errors"><span class="std std-ref">CTRL_BUS_ERRORS</span></a></p></td>
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<td><p><a class="reference internal" href="#ctrl-bus-errors"><span class="std std-ref">0x00000008</span></a></p></td>
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</tr>
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</tbody>
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</table>
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<section id="ctrl-reset">
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<h3>CTRL_RESET<a class="headerlink" href="#ctrl-reset" title="Permalink to this heading">¶</a></h3>
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<p><cite>Address: 0x00000000 + 0x0 = 0x00000000</cite></p>
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<blockquote>
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<div>
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<div style="overflow-x:auto">
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<script type="WaveDrom">
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{
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"reg": [
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{"name": "soc_rst", "type": 4, "bits": 1},
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{"name": "cpu_rst", "bits": 1},
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{"bits": 30}
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], "config": {"hspace": 400, "bits": 32, "lanes": 4 }, "options": {"hspace": 400, "bits": 32, "lanes": 4}
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}
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</script>
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</div>
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</div></blockquote>
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<table class="docutils align-default">
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<thead>
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<tr class="row-odd"><th class="head"><p>Field</p></th>
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<th class="head"><p>Name</p></th>
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<th class="head"><p>Description</p></th>
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</tr>
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</thead>
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<tbody>
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<tr class="row-even"><td><p>[0]</p></td>
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<td><p>SOC_RST</p></td>
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<td><p>Write <cite>1</cite> to this register to reset the full SoC (Pulse Reset)</p></td>
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</tr>
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<tr class="row-odd"><td><p>[1]</p></td>
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<td><p>CPU_RST</p></td>
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<td><p>Write <cite>1</cite> to this register to reset the CPU(s) of the SoC (Hold Reset)</p></td>
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</tr>
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</tbody>
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</table>
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</section>
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<section id="ctrl-scratch">
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<h3>CTRL_SCRATCH<a class="headerlink" href="#ctrl-scratch" title="Permalink to this heading">¶</a></h3>
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<p><cite>Address: 0x00000000 + 0x4 = 0x00000004</cite></p>
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<blockquote>
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<div><p>Use this register as a scratch space to verify that software read/write accesses
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to the Wishbone/CSR bus are working correctly. The initial reset value of
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0x1234578 can be used to verify endianness.</p>
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<div style="overflow-x:auto">
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<script type="WaveDrom">
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{
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"reg": [
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{"name": "scratch[31:0]", "attr": 'reset: 305419896', "bits": 32}
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], "config": {"hspace": 400, "bits": 32, "lanes": 1 }, "options": {"hspace": 400, "bits": 32, "lanes": 1}
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}
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</script>
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</div>
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</div></blockquote>
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</section>
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<section id="ctrl-bus-errors">
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<h3>CTRL_BUS_ERRORS<a class="headerlink" href="#ctrl-bus-errors" title="Permalink to this heading">¶</a></h3>
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<p><cite>Address: 0x00000000 + 0x8 = 0x00000008</cite></p>
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<blockquote>
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<div><p>Total number of Wishbone bus errors (timeouts) since start.</p>
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<div style="overflow-x:auto">
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<script type="WaveDrom">
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{
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"reg": [
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{"name": "bus_errors[31:0]", "bits": 32}
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], "config": {"hspace": 400, "bits": 32, "lanes": 1 }, "options": {"hspace": 400, "bits": 32, "lanes": 1}
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}
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</script>
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</div>
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</div></blockquote>
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</section>
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</section>
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</section>
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<script type="text/javascript">
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function init() {
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WaveDrom.ProcessAll();
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}
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window.onload = init;
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</script>
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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 navigation">
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<div class="sphinxsidebarwrapper">
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<h1 class="logo"><a href="index.html">LiteX SoC Project</a></h1>
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<h3>Navigation</h3>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="interrupts.html">Interrupt Controller</a></li>
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</ul>
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<ul class="current">
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<li class="toctree-l1 current"><a class="current reference internal" href="#">CTRL</a></li>
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<li class="toctree-l1"><a class="reference internal" href="ethmac.html">ETHMAC</a></li>
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<li class="toctree-l1"><a class="reference internal" href="ethphy.html">ETHPHY</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="interrupts.html" title="previous chapter">Interrupt Controller</a></li>
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<li>Next: <a href="ethmac.html" title="next chapter">ETHMAC</a></li>
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</ul></li>
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</ul>
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</div>
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<div id="searchbox" style="display: none" role="search">
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©2023, Anonymous.
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