p9.xbus.pll.scan.initfile -- restore full frequency settings for Nimb…

…us DD2+

Change-Id: I31ba64bd4e899f82912f480952c130062cf1a4d2
Original-Change-Id: Ie19e0898f1b38087fc3fc95b9609c31152c7969a
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/39866
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: PPE CI <ppe-ci+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Matt K. Light <mklight@us.ibm.com>
Reviewed-by: Megan P. Nguyen <pmegan@us.ibm.com>
Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>

src/import/chips/p9/procedures/xml/attribute_info/chip_ec_attributes.xml

@@ -1847,6 +1847,24 @@
     </chipEcFeature>
   </attribute>
   <!-- ******************************************************************** -->
+  <attribute>
+    <id>ATTR_CHIP_EC_FEATURE_HW393297</id>
+    <targetType>TARGET_TYPE_PROC_CHIP</targetType>
+    <description>
+      DD1 only: run XBUS at reduced frequency (14.4 instead of 16) to
+                based on HW393297
+    </description>
+    <chipEcFeature>
+      <chip>
+        <name>ENUM_ATTR_NAME_NIMBUS</name>
+        <ec>
+          <value>0x20</value>
+          <test>LESS_THAN</test>
+        </ec>
+      </chip>
+    </chipEcFeature>
+  </attribute>
+  <!-- ******************************************************************** -->
   <attribute>
     <id>ATTR_CHIP_EC_FEATURE_SLOW_PCI_REF_CLOCK_ENABLE</id>
     <targetType>TARGET_TYPE_PROC_CHIP</targetType>