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<p class="MsoPlainText"><span lang="EN-US">Hi Vijay,<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">I try to upgrade BIOS from BMC, but I do not know how to set the mode of ME/NM.<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">Can you share the process how you set ME/NM to recovery mode and operation mode?<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">Thanks.<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">B.R.<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">Medad<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">From: Vijay Khemka <<a href="mailto:vijaykhemka@fb.com">vijaykhemka@fb.com</a>><o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">To: OpenBMC Maillist <<a href="mailto:openbmc@lists.ozlabs.org">openbmc@lists.ozlabs.org</a>><o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">Subject: Bios upgrade from BMC<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">I am writing an application for Bios upgrade. Currently I have created a hook to our bmc updater which expects a systemd unit file to be run at the time of activating update. But I am thinking
of adding some of this unit file functionality in updater itself and wanted to run by you all if it is common procedure used by every platform. Below are the process we use in our platform as a part of bios upgrade.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt"><o:p> </o:p></span></p>
<ol style="margin-top:0cm" start="1" type="1">
<li class="MsoNormal" style="mso-list:l0 level1 lfo3"><span lang="EN-US" style="font-size:11.0pt">Power off host server.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l0 level1 lfo3"><span lang="EN-US" style="font-size:11.0pt;background:yellow;mso-highlight:yellow">Set ME/NM (Management engine or Node manager in x86) to recovery mode<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l0 level1 lfo3"><span lang="EN-US" style="font-size:11.0pt">Flip GPIO to access SPI flash used by host.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l0 level1 lfo3"><span lang="EN-US" style="font-size:11.0pt">Bind spi driver to access flash<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l0 level1 lfo3"><span lang="EN-US" style="font-size:11.0pt">Flashcp image to device.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l0 level1 lfo3"><span lang="EN-US" style="font-size:11.0pt">Unbind spi driver<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l0 level1 lfo3"><span lang="EN-US" style="font-size:11.0pt">Flip GPIO back for host to access SPI flash<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l0 level1 lfo3"><span lang="EN-US" style="font-size:11.0pt;background:yellow;mso-highlight:yellow">Set ME/NM to operational mode<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l0 level1 lfo3"><span lang="EN-US" style="font-size:11.0pt">Power on server.<o:p></o:p></span></li></ol>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">I can have some flexibility in this sequence based on each platform configuration. Looking forward to your suggestions.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">-Vijay<o:p></o:p></span></p>
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