iq31244-mm.c 1.0 KB

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  1. /*
  2. * linux/arch/arm/mach-iop32x/iq31244-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. #include <asm/hardware/iop3xx.h>
  22. /*
  23. * IQ80321 specific IO mappings
  24. *
  25. * We use RedBoot's setup for the onboard devices.
  26. */
  27. static struct map_desc iq31244_io_desc[] __initdata = {
  28. { /* on-board devices */
  29. .virtual = IQ31244_UART,
  30. .pfn = __phys_to_pfn(IQ31244_UART),
  31. .length = 0x00100000,
  32. .type = MT_DEVICE
  33. }
  34. };
  35. void __init iq31244_map_io(void)
  36. {
  37. iop3xx_map_io();
  38. iotable_init(iq31244_io_desc, ARRAY_SIZE(iq31244_io_desc));
  39. }