Turn off PB.IOO.LL0.CONFIG_FAST_ASYNC_CROSS for Nimbus (HW409026)

Due to HW409026, PB.IOO.LL0.CONFIG_FAST_ASYNC_CROSS should be off for all Nimbus chips. Change-Id: Ib732be7ce3d3e64e3c0b9112a088bb9a8fed14c4 CQ: SW420220 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/54789 Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Reviewed-by: Joseph J. McGill <jmcgill@us.ibm.com> Reviewed-by: Thi N. Tran <thi@us.ibm.com> Reviewed-by: ADRIAN BARRERA <abarrera@us.ibm.com> Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Tested-by: HWSV CI <hwsv-ci+hostboot@us.ibm.com> Reviewed-by: Jeffrey W. Kellington <jwkellin@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: Jennifer A. Stofer <stofer@us.ibm.com> Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/54799 Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
open-power · Apr 10, 2018 · 885dde5 · 885dde5
1 parent 2e0c329
commit 885dde5
Show file tree

Hide file tree

Showing 2 changed files with 20 additions and 3 deletions.
diff --git a/src/import/chips/p9/procedures/hwp/initfiles/p9_fbc_ioo_dl_scom.C b/src/import/chips/p9/procedures/hwp/initfiles/p9_fbc_ioo_dl_scom.C
@@ -262,9 +262,8 @@ fapi2::ReturnCode p9_fbc_ioo_dl_scom(const fapi2::Target<fapi2::TARGET_TYPE_OBUS
                 l_scom_buffer.insert<37, 1, 63, uint64_t>(l_PB_IOO_LL0_CONFIG_ELEVEN_LANE_MODE_ON );
             }
 
-            if (((l_chip_id == 0x5) && (l_chip_ec == 0x20)) || ((l_chip_id == 0x5) && (l_chip_ec == 0x21)) || ((l_chip_id == 0x5)
-                    && (l_chip_ec == 0x22)) || ((l_chip_id == 0x6) && (l_chip_ec == 0x10)) || ((l_chip_id == 0x6) && (l_chip_ec == 0x11))
-                || ((l_chip_id == 0x6) && (l_chip_ec == 0x12)) || ((l_chip_id == 0x7) && (l_chip_ec == 0x10)) )
+            if (((l_chip_id == 0x6) && (l_chip_ec == 0x10)) || ((l_chip_id == 0x6) && (l_chip_ec == 0x11)) || ((l_chip_id == 0x6)
+                    && (l_chip_ec == 0x12)) || ((l_chip_id == 0x7) && (l_chip_ec == 0x10)) )
             {
                 constexpr auto l_PB_IOO_LL0_CONFIG_FAST_ASYNC_CROSS_ON = 0x1;
                 l_scom_buffer.insert<59, 1, 63, uint64_t>(l_PB_IOO_LL0_CONFIG_FAST_ASYNC_CROSS_ON );

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
@@ -30,6 +30,24 @@
 
 <attributes>
 
+  <!-- ********************************************************************* -->
+  <attribute>
+    <id>ATTR_CHIP_EC_FEATURE_HW409026</id>
+    <targetType>TARGET_TYPE_PROC_CHIP</targetType>
+    <description>
+       Optics DLL fast async cross causes DLL internal errs
+       Fixed on all chips but Nimbus.
+    </description>
+    <chipEcFeature>
+      <chip>
+        <name>ENUM_ATTR_NAME_NIMBUS</name>
+        <ec>
+          <value>0x10</value>
+          <test>GREATER_THAN_OR_EQUAL</test>
+        </ec>
+      </chip>
+    </chipEcFeature>
+  </attribute>
   <!-- ********************************************************************* -->
   <attribute>
     <id>ATTR_CHIP_EC_FEATURE_SEPARATE_CORE_DBG_CNTL</id>