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-rw-r--r--src/northbridge/intel/sandybridge/registers/host_bridge.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/northbridge/intel/sandybridge/registers/host_bridge.h b/src/northbridge/intel/sandybridge/registers/host_bridge.h
index 4814b94b6f..95998714c8 100644
--- a/src/northbridge/intel/sandybridge/registers/host_bridge.h
+++ b/src/northbridge/intel/sandybridge/registers/host_bridge.h
@@ -52,6 +52,7 @@
#define CAPID_ECCDIS (1 << 25)
#define CAPID_DDPCD (1 << 14)
#define CAPID_PDCD (1 << 12)
+#define CAPID_WRTVREF (1 << 1)
#define CAPID_DDRSZ(x) (((x) >> 19) & 0x3)
#define CAPID0_B 0xe8 /* Capabilities Register B */