Only call memdiags on Explorer ocmb chips

We should only call memdiags on the Explorer ocmb chips because
it will fail if we attempt to call it on the Gemini chips. Gemini
chips will boot fine without this step being called.

Change-Id: I50645db29b17d4dc93de9c1e5f7b419e5dea6f0d
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/86159
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Glenn Miles <milesg@ibm.com>
Reviewed-by: Ilya Smirnov <ismirno@us.ibm.com>
Reviewed-by: Nicholas E Bofferding <bofferdn@us.ibm.com>
Reviewed-by: Roland Veloz <rveloz@us.ibm.com>
Reviewed-by: Daniel M Crowell <dcrowell@us.ibm.com>

src/usr/isteps/istep14/call_mss_memdiag.C

@@ -45,6 +45,7 @@
 // use PRD's version of memdiags instead of this cronus verison once its working
 #ifdef CONFIG_AXONE
 #include <exp_mss_memdiag.H>
+#include <chipids.H> // for EXPLORER ID
 #endif
 
 using   namespace   ISTEP;
@@ -178,19 +179,24 @@ void* call_mss_memdiag (void* io_pArgs)
                 TargetHandleList trgtList; getAllChips( trgtList, TYPE_OCMB_CHIP );
                 for (const auto & l_ocmb_target : trgtList)
                 {
-                    fapi2::Target <fapi2::TARGET_TYPE_OCMB_CHIP> l_fapi_ocmb_target(l_ocmb_target);
-                    // Start Memory Diagnostics.
-                    FAPI_INVOKE_HWP( errl, exp_mss_memdiag, l_fapi_ocmb_target );
-                    if ( nullptr != errl )
+                    uint32_t chipId = l_ocmb_target->getAttr< TARGETING::ATTR_CHIP_ID>();
+                    // Only call memdiags on Explorer cards, it breaks when you run on Gemini
+                    if (chipId == POWER_CHIPID::EXPLORER_16)
                     {
-                        TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
-                                  "exp_mss_memdiag (0x%08x) "
-                                  "failed", get_huid(l_ocmb_target) );
-                        break;
+                        fapi2::Target <fapi2::TARGET_TYPE_OCMB_CHIP> l_fapi_ocmb_target(l_ocmb_target);
+                        // Start Memory Diagnostics.
+                        FAPI_INVOKE_HWP( errl, exp_mss_memdiag, l_fapi_ocmb_target );
+                        if ( nullptr != errl )
+                        {
+                            TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
+                                      "exp_mss_memdiag (0x%08x) "
+                                      "failed", get_huid(l_ocmb_target) );
+                            break;
+                        }
                     }
                 }
-
             }
+
         }
 #endif