Workarounds for HW447585 and HW447589

Change-Id: I8aa54eecbfbeb7c56406776703b8a44eb0fa5175
CQ: HW447585
CQ: HW447589
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/58189
Reviewed-by: 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>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Thi N. Tran <thi@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/58198
Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com>

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

@@ -449,6 +449,48 @@
     </chipEcFeature>
   </attribute>
   <!-- ********************************************************************* -->
+  <attribute>
+    <id>ATTR_CHIP_EC_FEATURE_HW447585</id>
+    <targetType>TARGET_TYPE_PROC_CHIP, TARGET_TYPE_PROC_CHIP</targetType>
+    <description>
+      HW447585 - disable slbwalk
+    </description>
+    <chipEcFeature>
+      <chip>
+        <name>ENUM_ATTR_NAME_NIMBUS</name>
+        <ec>
+          <value>0x20</value>
+          <test>GREATER_THAN_OR_EQUAL</test>
+        </ec>
+      </chip>
+      <chip>
+        <name>ENUM_ATTR_NAME_CUMULUS</name>
+        <ec>
+          <value>0x10</value>
+          <test>GREATER_THAN_OR_EQUAL</test>
+        </ec>
+      </chip>
+    </chipEcFeature>
+  </attribute>
+  <!-- ********************************************************************* -->
+  <attribute>
+    <id>ATTR_CHIP_EC_FEATURE_HW447589</id>
+    <targetType>TARGET_TYPE_PROC_CHIP</targetType>
+    <description>
+      HW447589 - disable tlb_miss SDAR writes on mixed translation products
+               - fixed on Nimbus DD2.3
+    </description>
+    <chipEcFeature>
+      <chip>
+        <name>ENUM_ATTR_NAME_NIMBUS</name>
+        <ec>
+          <value>0x23</value>
+          <test>LESS_THAN</test>
+        </ec>
+      </chip>
+    </chipEcFeature>
+  </attribute>
+  <!-- ********************************************************************* -->
   <attribute>
     <id>ATTR_CHIP_EC_FEATURE_NDD23_SEC_BLOCK_ISSUE</id>
     <targetType>TARGET_TYPE_PROC_CHIP</targetType>