<p>Lijian Zhao has uploaded this change for <strong>review</strong>.</p><p><a href="https://review.coreboot.org/22390">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">soc/intel/cannonlake: Add 50ns delay before EMMC D0<br><br>Add 50ns delay for EMMC before bring up from D3 to D0.<br><br>TEST=Run multiple ACPI S3 cycles on cannonlake u LPDDR4 platform.<br><br>Change-Id: Ic6e98264521fb02b911a8c157a7982afa35fe20c<br>Signed-off-by: Lijian Zhao <lijian.zhao@intel.com><br>---<br>M src/soc/intel/cannonlake/acpi/scs.asl<br>1 file changed, 11 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/90/22390/5</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">diff --git a/src/soc/intel/cannonlake/acpi/scs.asl b/src/soc/intel/cannonlake/acpi/scs.asl<br>index 11564ae..d85bff8 100644<br>--- a/src/soc/intel/cannonlake/acpi/scs.asl<br>+++ b/src/soc/intel/cannonlake/acpi/scs.asl<br>@@ -14,6 +14,17 @@<br>  */<br> <br> Scope (\_SB.PCI0) {<br>+        /* EMMC */<br>+   Device(PEMC) {<br>+               Name(_ADR, 0x001A0000)<br>+<br>+            Method(_PS0, 0, Serialized) {<br>+                        Stall (50) // Sleep 50us<br>+             }<br>+<br>+         Method(_PS3, 0, Serialized) {<br>+                }<br>+    }<br> <br>  /* SD CARD */<br>         Device (SDXC)<br></pre><p>To view, visit <a href="https://review.coreboot.org/22390">change 22390</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/22390"/><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: Ic6e98264521fb02b911a8c157a7982afa35fe20c </div>
<div style="display:none"> Gerrit-Change-Number: 22390 </div>
<div style="display:none"> Gerrit-PatchSet: 5 </div>
<div style="display:none"> Gerrit-Owner: Lijian Zhao <lijian.zhao@intel.com> </div>
<div style="display:none"> Gerrit-Reviewer: AndreX Andraos <andrex.andraos@intel.com> </div>
<div style="display:none"> Gerrit-Reviewer: Bora Guvendik <bora.guvendik@intel.com> </div>
<div style="display:none"> Gerrit-Reviewer: Hannah Williams <hannah.williams@intel.com> </div>
<div style="display:none"> Gerrit-Reviewer: Krzysztof M Sywula <krzysztof.m.sywula@intel.com> </div>
<div style="display:none"> Gerrit-Reviewer: Subrata Banik <subrata.banik@intel.com> </div>
<div style="display:none"> Gerrit-Reviewer: Vaibhav Shankar <vaibhav.shankar@intel.com> </div>
<div style="display:none"> Gerrit-Reviewer: Wei-nan Liu <wei-nan.liu@intel.com> </div>
<div style="display:none"> Gerrit-Reviewer: build bot (Jenkins) <no-reply@coreboot.org> </div>