4 files changed, 75 insertions, 3 deletions
diff --git a/include/hw/misc/aspeed_scu.h b/include/hw/misc/aspeed_scu.h
index f662c38188..38996adc59 100644
--- a/include/hw/misc/aspeed_scu.h
+++ b/include/hw/misc/aspeed_scu.h
@@ -41,6 +41,8 @@ typedef struct AspeedSCUState {
 #define AST2500_A0_SILICON_REV   0x04000303U
 #define AST2500_A1_SILICON_REV   0x04010303U
 
+#define ASPEED_IS_AST2500(si_rev)     ((((si_rev) >> 24) & 0xff) == 0x04)
+
 extern bool is_supported_silicon_rev(uint32_t silicon_rev);
 
 #define ASPEED_SCU_PROT_KEY      0x1688A8A8
diff --git a/include/hw/misc/auxbus.h b/include/hw/misc/auxbus.h
index 68ade8a90f..c15b444748 100644
--- a/include/hw/misc/auxbus.h
+++ b/include/hw/misc/auxbus.h
@@ -123,6 +123,18 @@ I2CBus *aux_get_i2c_bus(AUXBus *bus);
  */
 void aux_init_mmio(AUXSlave *aux_slave, MemoryRegion *mmio);
 
-DeviceState *aux_create_slave(AUXBus *bus, const char *name, uint32_t addr);
+/* aux_create_slave: Create a new device on an AUX bus
+ *
+ * @bus The AUX bus for the new device.
+ * @name The type of the device to be created.
+ */
+DeviceState *aux_create_slave(AUXBus *bus, const char *name);
+
+/* aux_map_slave: Map the mmio for an AUX slave on the bus.
+ *
+ * @dev The AUX slave.
+ * @addr The address for the slave's mmio.
+ */
+void aux_map_slave(AUXSlave *dev, hwaddr addr);
 
 #endif /* HW_MISC_AUXBUS_H */
diff --git a/include/hw/sysbus.h b/include/hw/sysbus.h
index e88bb6dae0..0b59a3b8d6 100644
--- a/include/hw/sysbus.h
+++ b/include/hw/sysbus.h
@@ -96,6 +96,23 @@ void sysbus_add_io(SysBusDevice *dev, hwaddr addr,
                    MemoryRegion *mem);
 MemoryRegion *sysbus_address_space(SysBusDevice *dev);
 
+/**
+ * sysbus_init_child_obj:
+ * @parent: The parent object
+ * @childname: Used as name of the "child<>" property in the parent
+ * @child: A pointer to the memory to be used for the object.
+ * @childsize: The maximum size available at @child for the object.
+ * @childtype: The name of the type of the object to instantiate.
+ *
+ * This function will initialize an object and attach it to the main system
+ * bus. The memory for the object should have already been allocated. The
+ * object will then be added as child to the given parent. The returned object
+ * has a reference count of 1 (for the "child<...>" property from the parent),
+ * so the object will be finalized automatically when the parent gets removed.
+ */
+void sysbus_init_child_obj(Object *parent, const char *childname, void *child,
+                           size_t childsize, const char *childtype);
+
 /* Call func for every dynamically created sysbus device in the system */
 void foreach_dynamic_sysbus_device(FindSysbusDeviceFunc *func, void *opaque);
 
diff --git a/include/qom/object.h b/include/qom/object.h
index f3d2308d56..f0b0bf39cc 100644
--- a/include/qom/object.h
+++ b/include/qom/object.h
@@ -749,6 +749,47 @@ int object_set_propv(Object *obj,
 void object_initialize(void *obj, size_t size, const char *typename);
 
 /**
+ * object_initialize_child:
+ * @parentobj: The parent object to add a property to
+ * @propname: The name of the property
+ * @childobj: A pointer to the memory to be used for the object.
+ * @size: The maximum size available at @childobj for the object.
+ * @type: The name of the type of the object to instantiate.
+ * @errp: If an error occurs, a pointer to an area to store the error
+ * @...: list of property names and values
+ *
+ * This function will initialize an object. The memory for the object should
+ * have already been allocated. The object will then be added as child property
+ * to a parent with object_property_add_child() function. The returned object
+ * has a reference count of 1 (for the "child<...>" property from the parent),
+ * so the object will be finalized automatically when the parent gets removed.
+ *
+ * The variadic parameters are a list of pairs of (propname, propvalue)
+ * strings. The propname of %NULL indicates the end of the property list.
+ * If the object implements the user creatable interface, the object will
+ * be marked complete once all the properties have been processed.
+ */
+void object_initialize_child(Object *parentobj, const char *propname,
+                             void *childobj, size_t size, const char *type,
+                             Error **errp, ...) QEMU_SENTINEL;
+
+/**
+ * object_initialize_childv:
+ * @parentobj: The parent object to add a property to
+ * @propname: The name of the property
+ * @childobj: A pointer to the memory to be used for the object.
+ * @size: The maximum size available at @childobj for the object.
+ * @type: The name of the type of the object to instantiate.
+ * @errp: If an error occurs, a pointer to an area to store the error
+ * @vargs: list of property names and values
+ *
+ * See object_initialize_child() for documentation.
+ */
+void object_initialize_childv(Object *parentobj, const char *propname,
+                              void *childobj, size_t size, const char *type,
+                              Error **errp, va_list vargs);
+
+/**
  * object_dynamic_cast:
  * @obj: The object to cast.
  * @typename: The @typename to cast to.
@@ -1382,7 +1423,7 @@ Object *object_resolve_path_component(Object *parent, const gchar *part);
  * @obj: the object to add a property to
  * @name: the name of the property
  * @child: the child object
- * @errp: if an error occurs, a pointer to an area to store the area
+ * @errp: if an error occurs, a pointer to an area to store the error
  *
  * Child properties form the composition tree.  All objects need to be a child
  * of another object.  Objects can only be a child of one object.
@@ -1420,7 +1461,7 @@ void object_property_allow_set_link(const Object *, const char *,
  * @child: a pointer to where the link object reference is stored
  * @check: callback to veto setting or NULL if the property is read-only
  * @flags: additional options for the link
- * @errp: if an error occurs, a pointer to an area to store the area
+ * @errp: if an error occurs, a pointer to an area to store the error
  *
  * Links establish relationships between objects.  Links are unidirectional
  * although two links can be combined to form a bidirectional relationship