diff --git a/target-ppc/cpu-models.c b/target-ppc/cpu-models.c
index 81f694c479..8dea560383 100644
--- a/target-ppc/cpu-models.c
+++ b/target-ppc/cpu-models.c
@@ -1123,6 +1123,8 @@
 #endif
     POWERPC_DEF("POWER5+",       CPU_POWERPC_POWER5P,                POWER5P,
                 "POWER5+")
+    POWERPC_DEF("POWER5+_v2.1",  CPU_POWERPC_POWER5P_v21,            POWER5P,
+                "POWER5+ v2.1")
 #if defined(TODO)
     POWERPC_DEF("POWER6",        CPU_POWERPC_POWER6,                 POWER6,
                 "POWER6")
diff --git a/target-ppc/cpu-models.h b/target-ppc/cpu-models.h
index a79cd1b327..d9145d147f 100644
--- a/target-ppc/cpu-models.h
+++ b/target-ppc/cpu-models.h
@@ -548,6 +548,7 @@ enum {
      /* XXX: missing 0x003A0201 */
     CPU_POWERPC_POWER5             = 0x003A0203,
     CPU_POWERPC_POWER5P            = 0x003B0000,
+    CPU_POWERPC_POWER5P_v21        = 0x003B0201,
     CPU_POWERPC_POWER6             = 0x003E0000,
     CPU_POWERPC_POWER6_5           = 0x0F000001, /* POWER6 in POWER5 mode */
     CPU_POWERPC_POWER6A            = 0x0F000002,