1 files changed, 49 insertions, 0 deletions
diff --git a/hw/arm/aspeed_coprocessor_common.c b/hw/arm/aspeed_coprocessor_common.c
new file mode 100644
index 0000000..8a94b44
--- /dev/null
+++ b/hw/arm/aspeed_coprocessor_common.c
@@ -0,0 +1,49 @@
+/*
+ * ASPEED Coprocessor
+ *
+ * Copyright (C) 2025 ASPEED Technology Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "system/memory.h"
+#include "hw/qdev-properties.h"
+#include "hw/arm/aspeed_coprocessor.h"
+
+static void aspeed_coprocessor_realize(DeviceState *dev, Error **errp)
+{
+    AspeedCoprocessorState *s = ASPEED_COPROCESSOR(dev);
+
+    if (!s->memory) {
+        error_setg(errp, "'memory' link is not set");
+        return;
+    }
+}
+
+static const Property aspeed_coprocessor_properties[] = {
+    DEFINE_PROP_LINK("memory", AspeedCoprocessorState, memory,
+                     TYPE_MEMORY_REGION, MemoryRegion *),
+};
+
+static void aspeed_coprocessor_class_init(ObjectClass *oc, const void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(oc);
+
+    dc->realize = aspeed_coprocessor_realize;
+    device_class_set_props(dc, aspeed_coprocessor_properties);
+}
+
+static const TypeInfo aspeed_coprocessor_types[] = {
+    {
+        .name           = TYPE_ASPEED_COPROCESSOR,
+        .parent         = TYPE_DEVICE,
+        .instance_size  = sizeof(AspeedCoprocessorState),
+        .class_size     = sizeof(AspeedCoprocessorClass),
+        .class_init     = aspeed_coprocessor_class_init,
+        .abstract       = true,
+    },
+};
+
+DEFINE_TYPES(aspeed_coprocessor_types)