initial commit

arch/x86/kernel/cpu/umc.c

@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/kernel.h>
+#include <asm/processor.h>
+#include "cpu.h"
+
+/*
+ * UMC chips appear to be only either 386 or 486,
+ * so no special init takes place.
+ */
+
+static const struct cpu_dev umc_cpu_dev = {
+	.c_vendor	= "UMC",
+	.c_ident	= { "UMC UMC UMC" },
+	.legacy_models	= {
+		{ .family = 4, .model_names =
+		  {
+			  [1] = "U5D",
+			  [2] = "U5S",
+		  }
+		},
+	},
+	.c_x86_vendor	= X86_VENDOR_UMC,
+};
+
+cpu_dev_register(umc_cpu_dev);
+