#define CPUID_MODEL_EXCAVATOR_60 0x60 // family == CPUID_FAMILY_BULLDOZER
#define CPUID_MODEL_EXCAVATOR_6F 0x6F // Max Excavator model defined in BKDG
#define CPUID_MODEL_ZEN_00 0x00 // family == CPUID_FAMILY_ZEN
+#define CPUID_MODEL_ZEN_NAPLES_01 0x01 // family == CPUID_FAMILY_ZEN
#define CPUID_MODEL_ZEN_1F 0x1F // Max Zen model defined in BKDG
#define CPUID_MODEL_ZEN2_30 0x30 // family == CPUID_FAMILY_ZEN
#define CPUID_MODEL_ZEN2_3F 0x3F // Max Zen2 model
+/* AMD stepping information */
+#define CPUID_STEPPING_ZEN_NAPLES_B2 0x02 // Zen Naples ZP-B2
+
/* VIA model information */
#define CPUID_MODEL_NANO 15 // Isaiah