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-rw-r--r--src/northbridge/amd/amdht/AsPsDefs.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdht/AsPsDefs.h b/src/northbridge/amd/amdht/AsPsDefs.h
index 3907208290..0f6db9fc75 100644
--- a/src/northbridge/amd/amdht/AsPsDefs.h
+++ b/src/northbridge/amd/amdht/AsPsDefs.h
@@ -229,6 +229,8 @@
/* F3x1F0 Product Information Register */
#define NB_PSTATE_MASK 0x00070000 /* NbPstate for CPU rev C3 */
+/* F3x1FC Product Information Register */
+#define NB_COF_VID_UPDATE_MASK 1 /* for CPU rev <= C */
#define NM_PS_REG 5 /* number of P-state MSR registers */