diff --git a/include/arch/x86/amd/k8/k8.h b/include/arch/x86/amd/k8/k8.h
index 08f42539c3..0423787fe0 100644
--- a/include/arch/x86/amd/k8/k8.h
+++ b/include/arch/x86/amd/k8/k8.h
@@ -23,6 +23,7 @@
 #ifndef AMD_K8_H
 #define AMD_K8_H
 /* Socket types */
+#define SOCKET_S1G1 0x12
 #define SOCKET_AM2 0x11
 #define SOCKET_L1	0x10