iq31244-mm.c 999 B

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  1. /*
  2. * linux/arch/arm/mach-iop3xx/mm.c
  3. *
  4. * Low level memory initialization for iq80321 platform
  5. *
  6. * Author: Rory Bolt <rorybolt@pacbell.net>
  7. * Copyright (C) 2002 Rory Bolt
  8. *
  9. * This program is free software; you can redistribute it and/or modify it
  10. * under the terms of the GNU General Public License as published by the
  11. * Free Software Foundation; either version 2 of the License, or (at your
  12. * option) any later version.
  13. *
  14. */
  15. #include <linux/mm.h>
  16. #include <linux/init.h>
  17. #include <asm/io.h>
  18. #include <asm/pgtable.h>
  19. #include <asm/page.h>
  20. #include <asm/mach/map.h>
  21. /*
  22. * IQ80321 specific IO mappings
  23. *
  24. * We use RedBoot's setup for the onboard devices.
  25. */
  26. static struct map_desc iq31244_io_desc[] __initdata = {
  27. { /* on-board devices */
  28. .virtual = IQ31244_UART,
  29. .pfn = __phys_to_pfn(IQ31244_UART),
  30. .length = 0x00100000,
  31. .type = MT_DEVICE
  32. }
  33. };
  34. void __init iq31244_map_io(void)
  35. {
  36. iop321_map_io();
  37. iotable_init(iq31244_io_desc, ARRAY_SIZE(iq31244_io_desc));
  38. }