diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c
index 4c92f1e1d9..f23af5bf8c 100644
--- a/hw/arm/aspeed.c
+++ b/hw/arm/aspeed.c
@@ -1339,7 +1339,7 @@ static void aspeed_machine_class_props_init(ObjectClass *oc)
                                           "Change the SPI Flash model");
 }
 
-static void aspeed_machine_class_init_cpus_defaults(MachineClass *mc)
+void aspeed_machine_class_init_cpus_defaults(MachineClass *mc)
 {
     AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(mc);
     AspeedSoCClass *sc = ASPEED_SOC_CLASS(object_class_by_name(amc->soc_name));
diff --git a/include/hw/arm/aspeed.h b/include/hw/arm/aspeed.h
index 9d34be68b2..712014497e 100644
--- a/include/hw/arm/aspeed.h
+++ b/include/hw/arm/aspeed.h
@@ -57,5 +57,15 @@ struct AspeedMachineClass {
     bool vbootrom;
 };
 
+/*
+ * aspeed_machine_class_init_cpus_defaults:
+ * @mc: the #MachineClass to be initialized.
+ *
+ * Initialize the default CPU configuration for an Aspeed machine class.
+ * This function sets the default, minimum, and maximum CPU counts
+ * to match the number of CPUs defined in the associated SoC class,
+ * and copies its list of valid CPU types.
+ */
+void aspeed_machine_class_init_cpus_defaults(MachineClass *mc);
 
 #endif