<p>Tim Chen has uploaded this change for <strong>review</strong>.</p><p><a href="https://review.coreboot.org/23878">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">mainboard/google/reef: Add USB2 phy setting override for reef<br><br>Due to there are some chances USB devices can not be detected.<br>USB2 port#1 and #4 PHY register need to be overridden.<br><br>port#1:<br>PERPORTPETXISET = 4<br>PERPORTTXISET = 4<br>IUSBTXEMPHASISEN= 1<br>PERPORTTXPEHALF= 0<br><br>port#4:<br>PERPORTPETXISET = 7<br>PERPORTTXISET = 7<br>IUSBTXEMPHASISEN= 1<br>PERPORTTXPEHALF= 0<br><br>BUG=b:72623892<br>BRANCH=master<br>TEST=emerge-reef coreboot chromeos-bootimage<br><br>Change-Id: Iab782ac6dfd81af839fff0e60e2b2460ce722733<br>Signed-off-by: Tim Chen <Tim-Chen@quantatw.com><br>---<br>M src/mainboard/google/reef/variants/baseboard/devicetree.cb<br>1 file changed, 16 insertions(+), 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/78/23878/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/src/mainboard/google/reef/variants/baseboard/devicetree.cb b/src/mainboard/google/reef/variants/baseboard/devicetree.cb</span><br><span>index d5f546c..0f11f63 100644</span><br><span>--- a/src/mainboard/google/reef/variants/baseboard/devicetree.cb</span><br><span>+++ b/src/mainboard/google/reef/variants/baseboard/devicetree.cb</span><br><span>@@ -116,6 +116,22 @@</span><br><span>      # Minimum SLP S3 assertion width 28ms.</span><br><span>       register "slp_s3_assertion_width_usecs" = "28000"</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+     # Override USB2 PER PORT register (PORT 1)</span><br><span style="color: hsl(120, 100%, 40%);">+    register "usb2eye[1]" = "{</span><br><span style="color: hsl(120, 100%, 40%);">+             .Usb20PerPortPeTxiSet = 4,</span><br><span style="color: hsl(120, 100%, 40%);">+            .Usb20PerPortTxiSet = 4,</span><br><span style="color: hsl(120, 100%, 40%);">+              .Usb20IUsbTxEmphasisEn = 1,</span><br><span style="color: hsl(120, 100%, 40%);">+           .Usb20PerPortTxPeHalf = 0,</span><br><span style="color: hsl(120, 100%, 40%);">+    }"</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+     # Override USB2 PER PORT register (PORT 4)</span><br><span style="color: hsl(120, 100%, 40%);">+    register "usb2eye[4]" = "{</span><br><span style="color: hsl(120, 100%, 40%);">+             .Usb20PerPortPeTxiSet = 7,</span><br><span style="color: hsl(120, 100%, 40%);">+            .Usb20PerPortTxiSet = 7,</span><br><span style="color: hsl(120, 100%, 40%);">+              .Usb20IUsbTxEmphasisEn = 1,</span><br><span style="color: hsl(120, 100%, 40%);">+           .Usb20PerPortTxPeHalf = 0,</span><br><span style="color: hsl(120, 100%, 40%);">+    }"</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span>    device domain 0 on</span><br><span>           device pci 00.0 on  end # - Host Bridge</span><br><span>              device pci 00.1 on  end # - DPTF</span><br><span></span><br></pre><p>To view, visit <a href="https://review.coreboot.org/23878">change 23878</a>. To unsubscribe, or for help writing mail filters, 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/23878"/><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: Iab782ac6dfd81af839fff0e60e2b2460ce722733 </div>
<div style="display:none"> Gerrit-Change-Number: 23878 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: Tim Chen <Tim-Chen@quantatw.com> </div>