PRD: Centaur DDR4 address translation support

Change-Id: Iff60d5f1ab0c0d59d80c97d3fbfca0f663f23421
RTC: 127952
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/18041
Reviewed-by: Zane Shelley <zshelle@us.ibm.com>
Tested-by: Jenkins Server
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/18937
Tested-by: Jenkins OP Build CI
Tested-by: Jenkins OP HW
Reviewed-by: Brian J. Stegmiller <bjs@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

2 files changed, 47 insertions, 0 deletions

diff --git a/src/usr/diag/prdf/common/framework/service/prdfTargetServices.C b/src/usr/diag/prdf/common/framework/service/prdfTargetServices.C
index 4f083a028..139f26183 100755
--- a/src/usr/diag/prdf/common/framework/service/prdfTargetServices.C
+++ b/src/usr/diag/prdf/common/framework/service/prdfTargetServices.C
@@ -1390,6 +1390,43 @@ uint8_t getRanksPerDimm( TargetHandle_t i_mba, uint8_t i_ds )
 
 //------------------------------------------------------------------------------
 
+uint8_t getMasterRanksPerDimm( TARGETING::TargetHandle_t i_mbaTarget,
+                               uint8_t i_ds )
+{
+    #define PRDF_FUNC "[PlatServices::getMasterRanksPerDimm] "
+
+    uint8_t rankCount = 0; // default if something fails
+
+    do
+    {
+        if ( MAX_DIMM_PER_PORT <= i_ds )
+        {
+            PRDF_ERR( PRDF_FUNC"Invalid parameters i_ds:%u", i_ds );
+            break;
+        }
+
+        // NOTE: Unable to use getAttr() because it is not able to return an
+        //       array. Otherwise, all of the following would be able to fit in
+        //       one line of code. The targeting may fix this later.
+
+        ATTR_EFF_NUM_MASTER_RANKS_PER_DIMM_type  attr;
+        if (!i_mbaTarget->tryGetAttr<ATTR_EFF_NUM_MASTER_RANKS_PER_DIMM>(attr))
+        {
+            PRDF_ERR(PRDF_FUNC"fail get ATTR_EFF_NUM_MASTER_RANKS_PER_DIMM");
+            break;
+        }
+
+        // Note that DIMMs are plugged in pairs so the rank numbers should be
+        // the same for each port.
+        rankCount = attr[0][i_ds];
+
+    } while(0);
+
+    return rankCount;
+
+    #undef PRDF_FUNC
+}
+
 //##############################################################################
 //##
 //##                        Clock specific functions
diff --git a/src/usr/diag/prdf/common/framework/service/prdfTargetServices.H b/src/usr/diag/prdf/common/framework/service/prdfTargetServices.H
index 1a43ef70a..747fd5d30 100755
--- a/src/usr/diag/prdf/common/framework/service/prdfTargetServices.H
+++ b/src/usr/diag/prdf/common/framework/service/prdfTargetServices.H
@@ -377,6 +377,16 @@ int32_t getDimmRowCol( TARGETING::TargetHandle_t i_mba, uint8_t & o_rowNum,
  */
 uint8_t getRanksPerDimm( TARGETING::TargetHandle_t i_mbaTarget, uint8_t i_ds );
 
+/**
+ * @brief   Obtains number of MASTER ranks per DIMM select.
+ * @param   i_mbaTarget MBA target.
+ * @param   i_ds        DIMM select for DIMM.
+ * @return  Number of MASTER ranks confgured per DIMM select. If internal function
+ *          fails it will return 0.
+ */
+uint8_t getMasterRanksPerDimm( TARGETING::TargetHandle_t i_mbaTarget,
+                               uint8_t i_ds );
+
 //##############################################################################
 //##
 //##                        Clock specific functions