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<div class="section" id="system-firmware">
<h1>System Firmware<a class="headerlink" href="#system-firmware" title="Permalink to this headline">¶</a></h1>
<p>The ‘firmware’ node under ‘ibm,opal’ lists system and OPAL firmware version.</p>
<div class="highlight-dts notranslate"><div class="highlight"><pre><span></span><span class="nc">firmware</span> <span class="p">{</span>
<span class="nf">symbol-map</span> <span class="o">=</span> <span class="p"><</span><span class="mh">0x0</span> <span class="mh">0x300ac650</span> <span class="mh">0x0</span> <span class="mh">0x1b3f5</span><span class="p">>;</span>
<span class="nf">compatible</span> <span class="o">=</span> <span class="s">"ibm,opal-firmware"</span><span class="p">;</span>
<span class="nf">ml-version</span> <span class="o">=</span> <span class="p">[</span><span class="mi">4</span><span class="err">d</span> <span class="mi">4</span><span class="err">c</span> <span class="mi">20</span> <span class="mi">46</span> <span class="mi">57</span> <span class="mi">37</span> <span class="mi">37</span> <span class="mi">30</span> <span class="mi">2</span><span class="err">e</span> <span class="mi">32</span> <span class="mi">30</span> <span class="mi">20</span> <span class="mi">46</span> <span class="mi">57</span> <span class="mi">37</span> <span class="mi">37</span> <span class="mi">30</span> <span class="mi">2</span><span class="err">e</span> <span class="mi">32</span> <span class="mi">30</span> <span class="mi">20</span> <span class="mi">46</span> <span class="mi">57</span> <span class="mi">37</span> <span class="mi">37</span> <span class="mi">30</span> <span class="mi">2</span><span class="err">e</span> <span class="mi">32</span> <span class="mi">30</span><span class="p">];</span>
<span class="nf">mi-version</span> <span class="o">=</span> <span class="p"><</span><span class="mh">0x4d49205a</span> <span class="mh">0x4c373730</span> <span class="mh">0x5f303735</span> <span class="mh">0x205a4c37</span> <span class="mh">0x37305f30</span> <span class="mh">0x3735205a</span> <span class="mh">0x4c373730</span> <span class="mh">0x5f303735</span><span class="p">>;</span>
<span class="nf">version</span> <span class="o">=</span> <span class="s">"skiboot-5.0-rc2"</span><span class="p">;</span>
<span class="nf">phandle</span> <span class="o">=</span> <span class="p"><</span><span class="mh">0x8e</span><span class="p">>;</span>
<span class="nf">linux,phandle</span> <span class="o">=</span> <span class="p"><</span><span class="mh">0x8e</span><span class="p">>;</span>
<span class="p">};</span>
</pre></div>
</div>
<dl class="docutils">
<dt><code class="docutils literal notranslate"><span class="pre">compatible</span></code></dt>
<dd>property describes OPAL compatibility.</dd>
<dt><code class="docutils literal notranslate"><span class="pre">symbol-map</span></code></dt>
<dd>property describes OPAL symbol start address and size.</dd>
<dt><code class="docutils literal notranslate"><span class="pre">version</span></code></dt>
<dd><p class="first">property describes OPAL version. It replaced a property named ‘git-id’ early
in the POWER8 lifecycle, so may not always be present. It will be absent on
IBM FSP based systems running firmware prior to FW840. The ‘version’ property
is present on all GA POWER8 BMC systems.</p>
<p class="last">On POWER9 and above, it is always present.</p>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">mi-version</span></code></dt>
<dd>property describes Microcode Image. Only on IBM FSP systems.
Will (likely) not be present on POWER9 systems.</dd>
<dt><code class="docutils literal notranslate"><span class="pre">ml-version</span></code></dt>
<dd>property describes Microcode Level. Only on IBM FSP systems.
Will (likely) not be present on POWER9 systems.</dd>
</dl>
<div class="section" id="mi-ml-format">
<h2>MI/ML format<a class="headerlink" href="#mi-ml-format" title="Permalink to this headline">¶</a></h2>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="o"><</span><span class="n">ML</span><span class="o">/</span><span class="n">MI</span><span class="o">></span> <span class="o"><</span><span class="n">T</span> <span class="n">side</span> <span class="n">version</span><span class="o">></span> <span class="o"><</span><span class="n">P</span> <span class="n">side</span> <span class="n">version</span><span class="o">></span> <span class="o"><</span><span class="n">boot</span> <span class="n">side</span> <span class="n">version</span><span class="o">></span>
</pre></div>
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