Do not gard cores on the initial core wakeup failure

We have seen rare (but non-zero) errors during slave core wakeup
where we never see the new core reporting in.  Currently this
will result in a visible log and a core gard.  However, there is
currently no indication this failure is actually due to bad
hardware.

As a workaround, this commit adds an indicator that keeps track
of if a core has failed wakeup previously.  The first time we
encounter the error there will be a visible log with a FW callout
and no deconfig or gard of the core.  That will trigger a boot
failure and a reboot.  If we don't fail on the next boot (which
is expected), the counter will be cleared.  If we do fail again
there will be a visible log (with a new SRC) that calls out the
core as the primary cause, plus does a deconfig+gard.

Change-Id: I3a25537cf9c9c8e0b679519b67e9ae4e3492736d
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/70992
Tested-by: Jenkins Server <pfd-jenkins+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>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>
Reviewed-by: William G. Hoffa <wghoffa@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/src/usr/targeting/common/xmltohb/attribute_types.xml b/src/usr/targeting/common/xmltohb/attribute_types.xml
index c31202b92..d75aaca3d 100644
--- a/src/usr/targeting/common/xmltohb/attribute_types.xml
+++ b/src/usr/targeting/common/xmltohb/attribute_types.xml
@@ -5808,6 +5808,25 @@
   </attribute>
 
   <attribute>
+    <description>
+       Tracks if a specific core has previously experienced a timeout during
+       initial activation.
+          0 = No previous errors reported; 
+          1 = Core failed on the last attempt to be started
+    </description>
+    <id>PREVIOUS_WAKEUP_FAIL</id>
+    <persistency>non-volatile</persistency>
+    <readable/>
+    <writeable/>
+    <simpleType>
+      <uint8_t>
+        <default>0</default>
+      </uint8_t>
+    </simpleType>
+    <no_export/>
+  </attribute>
+
+  <attribute>
     <complexType>
       <description>Structure which defines a target's primary capabilities.
         A target can only support at most FSI SCOM and one of the other two SCOM