X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Fdm%2Froot.h;h=3cf730dcee1cb50e9aa5ba3376ae48fc97603cdb;hb=30edc374ea230d73a92d4dc250bfd0cf60ce81c9;hp=a4826a6e3cc485abeb619604c13ac4767abe6184;hpb=304f936aeaab0c3cc9d5af438fd3498ac7682991;p=u-boot

diff --git a/include/dm/root.h b/include/dm/root.h
index a4826a6e3c..3cf730dcee 100644
--- a/include/dm/root.h
+++ b/include/dm/root.h
@@ -21,24 +21,81 @@ struct udevice;
  */
 struct udevice *dm_root(void);
 
+struct global_data;
+/**
+ * dm_fixup_for_gd_move() - Handle global_data moving to a new place
+ *
+ * The uclass list is part of global_data. Due to the way lists work, moving
+ * the list will cause it to become invalid. This function fixes that up so
+ * that the uclass list will work correctly.
+ */
+void dm_fixup_for_gd_move(struct global_data *new_gd);
+
 /**
  * dm_scan_platdata() - Scan all platform data and bind drivers
  *
  * This scans all available platdata and creates drivers for each
  *
+ * @pre_reloc_only: If true, bind only drivers with the DM_FLAG_PRE_RELOC
+ * flag. If false bind all drivers.
  * @return 0 if OK, -ve on error
  */
-int dm_scan_platdata(void);
+int dm_scan_platdata(bool pre_reloc_only);
 
 /**
  * dm_scan_fdt() - Scan the device tree and bind drivers
  *
- * This scans the device tree and creates a driver for each node
+ * This scans the device tree and creates a driver for each node. Only
+ * the top-level subnodes are examined.
+ *
+ * @blob: Pointer to device tree blob
+ * @pre_reloc_only: If true, bind only drivers with the DM_FLAG_PRE_RELOC
+ * flag. If false bind all drivers.
+ * @return 0 if OK, -ve on error
+ */
+int dm_scan_fdt(const void *blob, bool pre_reloc_only);
+
+/**
+ * dm_scan_fdt_node() - Scan the device tree and bind drivers for a node
+ *
+ * This scans the subnodes of a device tree node and and creates a driver
+ * for each one.
  *
+ * @parent: Parent device for the devices that will be created
  * @blob: Pointer to device tree blob
+ * @offset: Offset of node to scan
+ * @pre_reloc_only: If true, bind only drivers with the DM_FLAG_PRE_RELOC
+ * flag. If false bind all drivers.
  * @return 0 if OK, -ve on error
  */
-int dm_scan_fdt(const void *blob);
+int dm_scan_fdt_node(struct udevice *parent, const void *blob, int offset,
+		     bool pre_reloc_only);
+
+/**
+ * dm_scan_other() - Scan for other devices
+ *
+ * Some devices may not be visible to Driver Model. This weak function can
+ * be provided by boards which wish to create their own devices
+ * programmaticaly. They should do this by calling device_bind() on each
+ * device.
+ *
+ * @pre_reloc_only: If true, bind only drivers with the DM_FLAG_PRE_RELOC
+ * flag. If false bind all drivers.
+ */
+int dm_scan_other(bool pre_reloc_only);
+
+/**
+ * dm_init_and_scan() - Initialise Driver Model structures and scan for devices
+ *
+ * This function initialises the roots of the driver tree and uclass trees,
+ * then scans and binds available devices from platform data and the FDT.
+ * This calls dm_init() to set up Driver Model structures.
+ *
+ * @pre_reloc_only: If true, bind only drivers with the DM_FLAG_PRE_RELOC
+ * flag. If false bind all drivers.
+ * @return 0 if OK, -ve on error
+ */
+int dm_init_and_scan(bool pre_reloc_only);
 
 /**
  * dm_init() - Initialise Driver Model structures
@@ -50,4 +107,12 @@ int dm_scan_fdt(const void *blob);
  */
 int dm_init(void);
 
+/**
+ * dm_uninit - Uninitialise Driver Model structures
+ *
+ * All devices will be removed and unbound
+ * @return 0 if OK, -ve on error
+ */
+int dm_uninit(void);
+
 #endif