Check for PROC EC in OP920

  Generate error if NIMBUS EC < DD2.2

Change-Id: Ie971a8806061373c72ca007dd66e023c5c5957a1
RTC:191267
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/58114
Reviewed-by: Martin Gloff <mgloff@us.ibm.com>
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>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

src/include/usr/isteps/istep_reasoncodes.H

@@ -117,6 +117,7 @@ namespace ISTEP
         RC_FAILED_WRITE_SPR                      = ISTEP_COMP_ID | 0x37,
         RC_FAILED_TO_BOOT_SBE                    = ISTEP_COMP_ID | 0x38,
         RC_REDISCOVERED_TARGETS                  = ISTEP_COMP_ID | 0x39,
+        RC_P9N_LESS_THAN_DD22_NOT_SUPPORTED      = ISTEP_COMP_ID | 0x3A,
     };
 
 };

src/usr/isteps/istep06/host_set_ipl_parms.C

@@ -36,9 +36,13 @@
 #include <console/consoleif.H>
 #include <initservice/initserviceif.H>
 
+using namespace TARGETING;
+
 namespace ISTEP_06
 {
 
+constexpr uint8_t PROC_EC_DD2 = 0x22;
+
 void* host_set_ipl_parms( void *io_pArgs )
 {
     ISTEP_ERROR::IStepError l_stepError;
@@ -125,6 +129,67 @@ void* host_set_ipl_parms( void *io_pArgs )
     }
 
 
+    // OP920: Any proc EC less than Nimbus DD2.2 is NOT supported
+    // Generate an error but still continue to boot
+
+    // Get the system target
+    Target * l_sys = nullptr;
+    targetService().getTopLevelTarget(l_sys);
+
+    // Get the child proc chips
+    TargetHandleList l_procList;
+    getChildAffinityTargets( l_procList,
+                             l_sys,
+                             CLASS_CHIP,
+                             TYPE_PROC );
+
+    // For each proc target
+    for( const auto & l_proc : l_procList )
+    {
+        if( (l_proc->getAttr<ATTR_MODEL>() == MODEL_NIMBUS) &&
+            (l_proc->getAttr<TARGETING::ATTR_EC>() < PROC_EC_DD2) )
+        {
+#ifdef CONFIG_CONSOLE
+            CONSOLE::displayf(ISTEP_COMP_NAME,
+                "P9N (Nimbus) less than DD2.2 is not supported in this driver");
+            CONSOLE::displayf(ISTEP_COMP_NAME,
+                "Please update the system's processor modules");
+#endif
+
+            TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
+                    "P9N less than DD2.2 is NOT SUPPORTED anymore. "
+                    "Please upgrade proc modules");
+            /*@
+            * @errortype
+            * @moduleid     ISTEP::MOD_SET_IPL_PARMS
+            * @reasoncode   ISTEP::RC_P9N_LESS_THAN_DD22_NOT_SUPPORTED
+            * @userdata1    PVR of master proc
+            * @devdesc      P9N (Nimbus) less than DD2.2 is not supported
+            *               in this firmware driver.  Please update
+            *               your module or use a different driver
+            * @custdesc     Down-level processor detected causing IPL to fail
+            */
+            uint64_t l_dummy = 0x0;
+            l_err = new ERRORLOG::ErrlEntry(
+                                    ERRORLOG::ERRL_SEV_PREDICTIVE,
+                                    ISTEP::MOD_SET_IPL_PARMS,
+                                    ISTEP::RC_P9N_LESS_THAN_DD22_NOT_SUPPORTED,
+                                    l_pvr.word,
+                                    l_dummy);
+            l_err->addHwCallout(l_proc,
+                                HWAS::SRCI_PRIORITY_HIGH,
+                                HWAS::NO_DECONFIG,
+                                HWAS::GARD_NULL );
+            l_err->addProcedureCallout(
+                                HWAS::EPUB_PRC_INVALID_PART,
+                                HWAS::SRCI_PRIORITY_HIGH);
+            // Create IStep error log and cross ref error that occurred
+            l_stepError.addErrorDetails( l_err );
+            errlCommit( l_err, ISTEP_COMP_ID );
+        }
+    }
+
+
     TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "host_set_ipl_parms exit" );
 
     return l_stepError.getErrorHandle();