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| <section id="vpd-vital-product-data"> |
| <h1>VPD (Vital Product Data)<a class="headerlink" href="#vpd-vital-product-data" title="Link to this heading">ΒΆ</a></h1> |
| <p>VPD provides the information about the FRUs (Field Replaceable Unit) present in |
| the system and each vpd node in the device tree represents a FRU. These |
| properties are passed to skiboot in the form of HDAT structure. Skiboot parses |
| these structures and adds respective nodes in the device tree. These properties |
| are available in all system except POWER8 BMC based system.</p> |
| <div class="highlight-dts notranslate"><div class="highlight"><pre><span></span><span class="nc">vpd</span> <span class="p">{</span> <span class="cm">/* VPD root node */</span> |
| <span class="nc">fru-name</span><span class="nf">@rsrc-id</span> <span class="p">{</span> <span class="cm">/* Node name formatted as such */</span> |
| <span class="nf">ibm,vpd</span> <span class="o">=</span> <span class="p"><</span> <span class="cm">/* VPD data binary blob */</span> <span class="p">>;</span> |
| <span class="nf">ccin</span> <span class="o">=</span> <span class="s">"524D"</span><span class="p">;</span> <span class="cm">/* Customer Card Identification Number */</span> |
| <span class="nf">fru-type</span> <span class="o">=</span> <span class="p">[</span> <span class="mi">41</span> <span class="mi">56</span> <span class="p">];</span> <span class="cm">/* FRU type label (2 bytes ASCII character) */</span> |
| <span class="nf">fru-number</span> <span class="o">=</span> <span class="s">"FRU stocking part number"</span><span class="p">;</span> |
| <span class="nf">ibm,loc-code</span> <span class="o">=</span> <span class="s">"Location code"</span><span class="p">;</span> |
| <span class="nf">part-number</span> <span class="o">=</span> <span class="s">"ABC123456"</span><span class="p">;</span> |
| <span class="nf">serial-number</span> <span class="o">=</span> <span class="s">"ABC123456"</span><span class="p">;</span> |
| <span class="nf">ibm,chip-id</span> <span class="o">=</span> <span class="p"><</span><span class="mh">0x0</span><span class="p">>;</span> <span class="cm">/* If part is a chip, Processor Id */</span> |
| <span class="nf">size</span> <span class="o">=</span> <span class="s">"0032768"</span><span class="p">;</span> <span class="cm">/* DIMM size (applicable for DIMM VPD only) */</span> |
| <span class="nf">ibm,memory-bus-frequency</span> <span class="o">=</span> <span class="p"><</span><span class="mh">0x0</span> <span class="mh">0x0</span><span class="p">>;</span> <span class="cm">/* DIMM frequency (applicable for DIMM VPD only) */</span> |
| <span class="nf">vendor</span> <span class="o">=</span> <span class="p"><</span><span class="err">vendor</span> <span class="err">name</span><span class="p">></span> <span class="cm">/* Vendor name */</span> |
| <span class="err">build-date</span> <span class="err">=</span> <span class="p"><</span><span class="err">build</span> <span class="err">date</span><span class="p">></span> <span class="cm">/* Manufacturing build date (applicate for P9 BMC systems only) */</span> |
| <span class="err">}</span><span class="p">;</span> |
| <span class="p">};</span> |
| </pre></div> |
| </div> |
| <p>The VPD tree in the device tree depicts the hierarchial structure of the |
| FRUs having parent-child relationship.</p> |
| <div class="highlight-default notranslate"><div class="highlight"><pre><span></span>root-node-vpd@a000 |
| |-- enclosure@1e00 |
| | |-- air-mover@3a00 |
| | |-- air-mover@3a01 |
| | |-- backplane@800 |
| | | |-- anchor-card@500 |
| | | |-- backplane-extender@900 |
| | | | |-- serial-connector@2a00 |
| | | | |-- usb-connector@2900 |
| | | | `-- usb-connector@2901 |
| | | |-- ethernet-connector@2800 |
| | | |-- ethernet-connector@2801 |
| | | |-- ms-dimm@d002 |
| | | |-- ms-dimm@d003 |
| | | |-- processor@1000 |
| | | |-- processor@1001 |
| | | |-- usb-connector@2902 |
| | | |-- usb-connector@2903 |
| | | |-- usb-connector@2904 |
| | | `-- usb-connector@2905 |
| | |-- dasd-backplane@2400 |
| | |-- dasd-backplane@2401 |
| | |-- power-supply@3103 |
| | `-- service-processor@200 |
| |-- enclosure-fault-led@a300 |
| |-- enclosure-led@a200 |
| |-- root-node-vpd@a001 |
| `-- system-vpd@1c00 |
| </pre></div> |
| </div> |
| <p>Example vpd node:</p> |
| <div class="highlight-dts notranslate"><div class="highlight"><pre><span></span><span class="nc">anchor-card</span><span class="nf">@500</span> <span class="p">{</span> |
| <span class="nf">ccin</span> <span class="o">=</span> <span class="s">"52FE"</span><span class="p">;</span> |
| <span class="nf">fru-number</span> <span class="o">=</span> <span class="s">"00E2147"</span><span class="p">;</span> |
| <span class="nf">description</span> <span class="o">=</span> <span class="s">"System Anchor Card - IBM Power 824"</span><span class="p">;</span> |
| <span class="nf">ibm,loc-code</span> <span class="o">=</span> <span class="s">"U78C9.001.WZS007X-P1-C13"</span><span class="p">;</span> |
| <span class="nf">serial-number</span> <span class="o">=</span> <span class="s">"YL10113BJ001"</span><span class="p">;</span> |
| <span class="nf">ibm,vpd</span> <span class="o">=</span> <span class="p"><</span><span class="mh">0x84cc0052</span> <span class="mh">0x54045649</span> <span class="mh">0x4e494452</span> <span class="mh">0x10414e43</span> <span class="mh">0x484f5220</span> <span class="mh">0x20202020</span> <span class="mh">0x20202020</span> <span class="mh">0x20434501</span> <span class="mh">0x31565a02</span> <span class="mh">0x3031464e</span> <span class="mh">0x7303045</span> <span class="mh">0x32313437</span> <span class="mh">0x504e0730</span> <span class="mh">0x30453231</span> <span class="mh">0x3438534e</span> <span class="mh">0xc594c31</span> <span class="mh">0x30313133</span> <span class="mh">0x424a3030</span> <span class="mh">0x31434304</span> <span class="mh">0x35324645</span> <span class="mh">0x50520881</span> <span class="mh">0x300000</span> <span class="mh">0x48</span> <span class="mh">0x45043030</span> <span class="mh">0x31304354</span> <span class="mh">0x440b400</span> <span class="mh">0x485702</span> <span class="mh">0x14233</span> <span class="mh">0x6000000</span> <span class="mh">0x142</span> <span class="mh">0x34010042</span> <span class="mh">0x370c0000</span> <span class="mh">0x0</span> <span class="mh">0x0</span> <span class="mh">0x4239</span> <span class="mh">0x3c435333</span> <span class="mh">0x22071917</span> <span class="mh">0xd1569c53</span> <span class="mh">0x50973c87</span> <span class="mh">0x71f9c40</span> <span class="mh">0x1d4d3142</span> <span class="mh">0x985e80f1</span> <span class="mh">0x5cb3614d</span> <span class="mh">0x32a902cb</span> <span class="mh">0xd9d714ab</span> <span class="mh">0x164d3322</span> <span class="mh">0xdda4f986</span> <span class="mh">0x5a618f4d</span> <span class="mh">0x340b157c</span> <span class="mh">0x2cac0a94</span> <span class="mh">0x6504603</span> <span class="mh">0x78</span> <span class="mh">0x0</span><span class="p">>;</span> |
| <span class="nf">fru-type</span> <span class="o">=</span> <span class="p">[</span><span class="mi">41</span> <span class="mi">56</span><span class="p">];</span> |
| <span class="nf">part-number</span> <span class="o">=</span> <span class="s">"00E2148"</span><span class="p">;</span> |
| <span class="nf">phandle</span> <span class="o">=</span> <span class="p"><</span><span class="mh">0x8d</span><span class="p">>;</span> |
| <span class="nf">linux,phandle</span> <span class="o">=</span> <span class="p"><</span><span class="mh">0x8d</span><span class="p">>;</span> |
| <span class="p">};</span> |
| </pre></div> |
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