mm.c 1.2 KB

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  1. /*
  2. * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
  3. *
  4. * The code contained herein is licensed under the GNU General Public
  5. * License. You may obtain a copy of the GNU General Public License
  6. * Version 2 or later at the following locations:
  7. *
  8. * http://www.opensource.org/licenses/gpl-license.html
  9. * http://www.gnu.org/copyleft/gpl.html
  10. *
  11. * Create static mapping between physical to virtual memory.
  12. */
  13. #include <linux/mm.h>
  14. #include <linux/init.h>
  15. #include <asm/mach/map.h>
  16. #include <mach/mx23.h>
  17. #include <mach/mx28.h>
  18. /*
  19. * Define the MX23 memory map.
  20. */
  21. static struct map_desc mx23_io_desc[] __initdata = {
  22. mxs_map_entry(MX23, OCRAM, MT_DEVICE),
  23. mxs_map_entry(MX23, IO, MT_DEVICE),
  24. };
  25. /*
  26. * Define the MX28 memory map.
  27. */
  28. static struct map_desc mx28_io_desc[] __initdata = {
  29. mxs_map_entry(MX28, OCRAM, MT_DEVICE),
  30. mxs_map_entry(MX28, IO, MT_DEVICE),
  31. };
  32. /*
  33. * This function initializes the memory map. It is called during the
  34. * system startup to create static physical to virtual memory mappings
  35. * for the IO modules.
  36. */
  37. void __init mx23_map_io(void)
  38. {
  39. iotable_init(mx23_io_desc, ARRAY_SIZE(mx23_io_desc));
  40. }
  41. void __init mx28_map_io(void)
  42. {
  43. iotable_init(mx28_io_desc, ARRAY_SIZE(mx28_io_desc));
  44. }