hw/arm/aspeed: Introduce TYPE_ASPEED2600_SOC

TYPE_ASPEED2600_SOC inherits from TYPE_ASPEED_SOC.
In few commits we'll add more fields, but to keep
review process simple, don't add any yet.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

hw/arm/aspeed_ast2600.c

@@ -646,18 +646,18 @@ static void aspeed_soc_ast2600_class_init(ObjectClass *oc, void *data)
     sc->get_irq      = aspeed_soc_ast2600_get_irq;
 }
 
-static const TypeInfo aspeed_soc_ast2600_type_info = {
-    .name           = "ast2600-a3",
-    .parent         = TYPE_ASPEED_SOC,
-    .instance_size  = sizeof(AspeedSoCState),
-    .instance_init  = aspeed_soc_ast2600_init,
-    .class_init     = aspeed_soc_ast2600_class_init,
-    .class_size     = sizeof(AspeedSoCClass),
+static const TypeInfo aspeed_soc_ast2600_types[] = {
+    {
+        .name           = TYPE_ASPEED2600_SOC,
+        .parent         = TYPE_ASPEED_SOC,
+        .instance_size  = sizeof(Aspeed2600SoCState),
+        .abstract       = true,
+    }, {
+        .name           = "ast2600-a3",
+        .parent         = TYPE_ASPEED2600_SOC,
+        .instance_init  = aspeed_soc_ast2600_init,
+        .class_init     = aspeed_soc_ast2600_class_init,
+    },
 };
 
-static void aspeed_soc_register_types(void)
-{
-    type_register_static(&aspeed_soc_ast2600_type_info);
-};
-
-type_init(aspeed_soc_register_types)
+DEFINE_TYPES(aspeed_soc_ast2600_types)

include/hw/arm/aspeed_soc.h

@@ -101,6 +101,13 @@ struct AspeedSoCState {
 #define TYPE_ASPEED_SOC "aspeed-soc"
 OBJECT_DECLARE_TYPE(AspeedSoCState, AspeedSoCClass, ASPEED_SOC)
 
+struct Aspeed2600SoCState {
+    AspeedSoCState parent;
+};
+
+#define TYPE_ASPEED2600_SOC "aspeed2600-soc"
+OBJECT_DECLARE_SIMPLE_TYPE(Aspeed2600SoCState, ASPEED2600_SOC)
+
 struct Aspeed10x0SoCState {
     AspeedSoCState parent;
 };