1 files changed, 20 insertions, 1 deletions
diff --git a/src/include/usr/vpd/spdenums.H b/src/include/usr/vpd/spdenums.H
index a6577ed12..f1dc7aa29 100644
--- a/src/include/usr/vpd/spdenums.H
+++ b/src/include/usr/vpd/spdenums.H
@@ -46,6 +46,19 @@ enum
 };
 
 /**
+* @brief Enumerations for common SPD values
+*/
+enum
+{
+    MEM_DDR3 = 0xB,
+    MEM_DDR4 = 0xC,
+    DDR3_SPD_SIZE = 256,
+    DDR4_SPD_SIZE = 512,
+    DDIMM_DDR4_SPD_SIZE = 640,
+    MEM_DDIMM = 0xA
+};
+
+/**
 * @brief Enumerations for fields that can be accessed in the SPD
 */
 enum
@@ -343,9 +356,15 @@ enum
     LRMM_CRC                         = SPD_FIRST_MOD_SPEC | 0xb4,
     SPD_LAST_MOD_SPEC                = SPD_FIRST_MOD_SPEC | 0xb5,
 
+    // Latest DDR SPD specifcations have standard SPD
+    // in the front followed by extendable function
+    // descriptors (EFDs). ENTIRE_SPD will grab everything
+    // ENTIRE_SPD_WITHOUT_EFD will skip getting the EFD info
+    ENTIRE_SPD_WITHOUT_EFD              = 0xFFFD,
+     //read entire SPD contents
+    ENTIRE_SPD                          = 0xFFFE,
     // This keyword should be last in the list
     // Invalid Keyword
-    ENTIRE_SPD                          = 0xFFFE,  //read entire SPD
     INVALID_SPD_KEYWORD                 = 0xFFFF,
 };