From 9d56704c471a0389d471930cd3747554380b6b0c Mon Sep 17 00:00:00 2001
From: Joe McGill <jmcgill@us.ibm.com>
Date: Wed, 19 Oct 2016 11:54:47 -0500
Subject: p9_psi_init -- parametrize link speed (half/full)

  Wrapper tested on zzfp033
  Appears to correctly trigger half speed mode from FSP tool feedback
  $ cat /sys/devices/psi_link0/clock
  FSP-2, PSI(0) CLK overwrite: 1  Speed: 166 MHz

Change-Id: I45997c30e71457ceedfcba70550f0e6d98584a1e
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/31497
Dev-Ready: Joseph J. McGill <jmcgill@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: PPE CI <ppe-ci+hostboot@us.ibm.com>
Reviewed-by: Kevin F. Reick <reick@us.ibm.com>
Reviewed-by: Joseph J. McGill <jmcgill@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/31570
Reviewed-by: Hostboot Team <hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
---
 .../xml/attribute_info/chip_ec_attributes.xml          | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'src/import/chips')

diff --git a/src/import/chips/p9/procedures/xml/attribute_info/chip_ec_attributes.xml b/src/import/chips/p9/procedures/xml/attribute_info/chip_ec_attributes.xml
index eab671ea3..c8e5f14ca 100644
--- a/src/import/chips/p9/procedures/xml/attribute_info/chip_ec_attributes.xml
+++ b/src/import/chips/p9/procedures/xml/attribute_info/chip_ec_attributes.xml
@@ -234,4 +234,22 @@
     </chipEcFeature>
   </attribute>
   <!-- ******************************************************************** --> 
+  <attribute>
+    <id>ATTR_CHIP_EC_FEATURE_PSI_HALF_SPEED</id>
+    <targetType>TARGET_TYPE_PROC_CHIP</targetType>
+    <description>
+      Nimbus DD1 only: enable half speed PSI link operation due to relaxed
+      chip timing closure
+    </description>
+    <chipEcFeature>
+      <chip>
+        <name>ENUM_ATTR_NAME_NIMBUS</name>
+        <ec>
+          <value>0x20</value>
+          <test>LESS_THAN</test>
+        </ec>
+      </chip>
+    </chipEcFeature>
+  </attribute>
+  <!-- ******************************************************************** --> 
 </attributes>
-- 
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