<p>Rizwan Qureshi has uploaded this change for <strong>review</strong>.</p><p><a href="https://review.coreboot.org/22763">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">mb/google/fizz: Enable mbox command for ISL VR c-state issue<br><br>There is a potential IMVP8 issue for KBL that affects Intersil VRs<br>Fizz is using one of the affected parts. The fix is to use an updated<br>microcode and also send a mailbox box command from FSP.<br><br>BUG=b:65499724<br>BRANCH=None<br>TEST=Build and boot Fizz<br><br>Change-Id: Iebfda02df88ea0d2aaf79e8449b95c0eb2165c6b<br>Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com><br>---<br>M src/mainboard/google/fizz/devicetree.cb<br>1 file changed, 1 insertion(+), 0 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://review.coreboot.org:29418/coreboot refs/changes/63/22763/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">diff --git a/src/mainboard/google/fizz/devicetree.cb b/src/mainboard/google/fizz/devicetree.cb<br>index 1590252..c81110c 100644<br>--- a/src/mainboard/google/fizz/devicetree.cb<br>+++ b/src/mainboard/google/fizz/devicetree.cb<br>@@ -84,6 +84,7 @@<br>       register "PmConfigSlpAMinAssert" = "3"         # 2s<br>       register "PmTimerDisabled" = "1"<br>  register "SendVrMbxCmd" = "1"                  # IMVP8 workaround<br>+        register "IslVrCmd" = "2"                      # Intersil VR issue WA<br> <br>  register "pirqa_routing" = "PCH_IRQ11"<br>    register "pirqb_routing" = "PCH_IRQ10"<br></pre><p>To view, visit <a href="https://review.coreboot.org/22763">change 22763</a>. To unsubscribe, visit <a href="https://review.coreboot.org/settings">settings</a>.</p><div itemscope itemtype="http://schema.org/EmailMessage"><div itemscope itemprop="action" itemtype="http://schema.org/ViewAction"><link itemprop="url" href="https://review.coreboot.org/22763"/><meta itemprop="name" content="View Change"/></div></div>

<div style="display:none"> Gerrit-Project: coreboot </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>
<div style="display:none"> Gerrit-Change-Id: Iebfda02df88ea0d2aaf79e8449b95c0eb2165c6b </div>
<div style="display:none"> Gerrit-Change-Number: 22763 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: Rizwan Qureshi <rizwan.qureshi@intel.com> </div>