platdata.h 1.3 KB

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  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * Copyright (c) 2013 Google, Inc
  4. *
  5. * (C) Copyright 2012
  6. * Pavel Herrmann <morpheus.ibis@gmail.com>
  7. * Marek Vasut <marex@denx.de>
  8. */
  9. #ifndef _DM_PLATDATA_H
  10. #define _DM_PLATDATA_H
  11. #include <linker_lists.h>
  12. /**
  13. * struct driver_info - Information required to instantiate a device
  14. *
  15. * NOTE: Avoid using this except in extreme circumstances, where device tree
  16. * is not feasible (e.g. serial driver in SPL where <8KB of SRAM is
  17. * available). U-Boot's driver model uses device tree for configuration.
  18. *
  19. * @name: Driver name
  20. * @platdata: Driver-specific platform data
  21. * @platdata_size: Size of platform data structure
  22. */
  23. struct driver_info {
  24. const char *name;
  25. const void *platdata;
  26. #if CONFIG_IS_ENABLED(OF_PLATDATA)
  27. uint platdata_size;
  28. #endif
  29. };
  30. /**
  31. * NOTE: Avoid using these except in extreme circumstances, where device tree
  32. * is not feasible (e.g. serial driver in SPL where <8KB of SRAM is
  33. * available). U-Boot's driver model uses device tree for configuration.
  34. */
  35. #define U_BOOT_DEVICE(__name) \
  36. ll_entry_declare(struct driver_info, __name, driver_info)
  37. /* Declare a list of devices. The argument is a driver_info[] array */
  38. #define U_BOOT_DEVICES(__name) \
  39. ll_entry_declare_list(struct driver_info, __name, driver_info)
  40. #endif