mpc83xx: Make distinct MPC8349EMDS_SDRAM board

[oweals/u-boot.git] / include / dm / platdata.h

diff --git a/include/dm/platdata.h b/include/dm/platdata.h
index fbc8a6b3adda18424bd485a0ea39df981143f55e..c972fa6936f9441d05c196a1115911eeb4a48302 100644 (file)
--- a/include/dm/platdata.h
+++ b/include/dm/platdata.h
@@ -1,11 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (c) 2013 Google, Inc
  *
  * (C) Copyright 2012
  * Pavel Herrmann <morpheus.ibis@gmail.com>
  * Marek Vasut <marex@denx.de>
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #ifndef _DM_PLATDATA_H
@@ -16,14 +15,27 @@
 /**
  * struct driver_info - Information required to instantiate a device
  *
+ * NOTE: Avoid using this except in extreme circumstances, where device tree
+ * is not feasible (e.g. serial driver in SPL where <8KB of SRAM is
+ * available). U-Boot's driver model uses device tree for configuration.
+ *
  * @name:      Driver name
  * @platdata:  Driver-specific platform data
+ * @platdata_size: Size of platform data structure
  */
 struct driver_info {
        const char *name;
        const void *platdata;
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+       uint platdata_size;
+#endif
 };
 
+/**
+ * NOTE: Avoid using these except in extreme circumstances, where device tree
+ * is not feasible (e.g. serial driver in SPL where <8KB of SRAM is
+ * available). U-Boot's driver model uses device tree for configuration.
+ */
 #define U_BOOT_DEVICE(__name)                                          \
        ll_entry_declare(struct driver_info, __name, driver_info)