Change freq system's sync to account for single MCBIST configs

Change-Id: I02df860352d51dcb8ba0cc25bd56b8232fe3628a
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/28846
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: ANDRE A. MARIN <aamarin@us.ibm.com>
Reviewed-by: Joseph J. McGill <jmcgill@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/28847
Reviewed-by: Hostboot Team <hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/import/chips/p9/procedures/hwp/memory/lib/freq/sync.C b/src/import/chips/p9/procedures/hwp/memory/lib/freq/sync.C
index 4672cebf8..c3acf1070 100644
--- a/src/import/chips/p9/procedures/hwp/memory/lib/freq/sync.C
+++ b/src/import/chips/p9/procedures/hwp/memory/lib/freq/sync.C
@@ -93,6 +93,9 @@ fapi2::ReturnCode dimm_speed_map(const std::vector< fapi2::Target<TARGET_TYPE_MC
     // DIMM speed is equal until we deduce otherwise
     o_is_speed_equal = speed_equality::EQUAL_DIMM_SPEEDS;
 
+    // Make sure to stick the first one we found in the freq map.
+    o_freq_map.emplace( std::make_pair(*l_found_comp, l_comparator) );
+
     // Loop through all MCSBISTs and store dimm speeds
     // Starting from known 1st known good freq (non-zero) value
     // I found above to avoid double looping target vector
@@ -120,6 +123,13 @@ fapi2::ReturnCode dimm_speed_map(const std::vector< fapi2::Target<TARGET_TYPE_MC
         }
     }
 
+    // Idiot check - most certainly a programming error
+    if (o_freq_map.size() == 0 )
+    {
+        FAPI_ERR("freq system freq map is empty? found mcbist: %s", mss::c_str(*l_found_comp));
+        fapi2::Assert(false);
+    }
+
 fapi_try_exit:
     return fapi2::current_err;
 }