@@ -942,6 +942,25 @@ void dt_add_cpufeatures(struct dt_node *root)
default:
assert(0);
}
+ } else if (is_power9c(version) &&
+ (PVR_VERS_MAJ(version) == 1)) {
+ /* P9C DD1.x */
+ switch (PVR_VERS_MIN(version)) {
+ case 1:
+ /* Cumulus DD1.1 => Nimbus DD2.1 */
+ cpu_feature_cpu = CPU_P9_DD2_0_1;
+ break;
+ case 2:
+ /* Cumulus DD1.2 */
+ cpu_feature_cpu = CPU_P9_DD2_2;
+ break;
+ case 3:
+ /* Cumulus DD1.3 */
+ cpu_feature_cpu = CPU_P9_DD2_3;
+ break;
+ default:
+ assert(0);
+ }
} else {
assert(0);
}
@@ -248,6 +248,21 @@ static inline bool is_fused_core(uint32_t version)
}
}
+static inline bool is_power9c(uint32_t version)
+{
+
+ if (PVR_TYPE(version) != PVR_TYPE_P9)
+ return false;
+ /*
+ * Bit 13 tells us:
+ * 0 = Scale out (aka Nimbus)
+ * 1 = Scale up (aka Cumulus)
+ */
+ if (!((version >> 13) & 1))
+ return false;
+ return true;
+}
+
#ifndef __TEST__
/* POWER9 and above only */