mm.c 1.4 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. #include <mach/common.h>
  19. #include <mach/iomux.h>
  20. /*
  21. * Define the MX23 memory map.
  22. */
  23. static struct map_desc mx23_io_desc[] __initdata = {
  24. mxs_map_entry(MX23, OCRAM, MT_DEVICE),
  25. mxs_map_entry(MX23, IO, MT_DEVICE),
  26. };
  27. /*
  28. * Define the MX28 memory map.
  29. */
  30. static struct map_desc mx28_io_desc[] __initdata = {
  31. mxs_map_entry(MX28, OCRAM, MT_DEVICE),
  32. mxs_map_entry(MX28, IO, MT_DEVICE),
  33. };
  34. /*
  35. * This function initializes the memory map. It is called during the
  36. * system startup to create static physical to virtual memory mappings
  37. * for the IO modules.
  38. */
  39. void __init mx23_map_io(void)
  40. {
  41. iotable_init(mx23_io_desc, ARRAY_SIZE(mx23_io_desc));
  42. }
  43. void __init mx23_init_irq(void)
  44. {
  45. icoll_init_irq();
  46. }
  47. void __init mx28_map_io(void)
  48. {
  49. iotable_init(mx28_io_desc, ARRAY_SIZE(mx28_io_desc));
  50. }
  51. void __init mx28_init_irq(void)
  52. {
  53. icoll_init_irq();
  54. }