cpu.c 1.4 KB

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  1. /*
  2. * (C) Copyright 2002
  3. * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
  4. * Marius Groeger <mgroeger@sysgo.de>
  5. *
  6. * (C) Copyright 2002
  7. * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
  8. *
  9. * See file CREDITS for list of people who contributed to this
  10. * project.
  11. *
  12. * This program is free software; you can redistribute it and/or
  13. * modify it under the terms of the GNU General Public License as
  14. * published by the Free Software Foundation; either version 2 of
  15. * the License, or (at your option) any later version.
  16. *
  17. * This program is distributed in the hope that it will be useful,
  18. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  20. * GNU General Public License for more details.
  21. *
  22. * You should have received a copy of the GNU General Public License
  23. * along with this program; if not, write to the Free Software
  24. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  25. * MA 02111-1307 USA
  26. */
  27. /*
  28. * CPU specific code for an unknown cpu
  29. * - hence fairly empty......
  30. */
  31. #include <common.h>
  32. #include <command.h>
  33. int cleanup_before_linux (void)
  34. {
  35. /*
  36. * this function is called just before we call linux
  37. * it prepares the processor for linux
  38. *
  39. * we turn off caches etc ...
  40. */
  41. disable_interrupts ();
  42. /* Since the CM has unknown processor we do not support
  43. * cache operations
  44. */
  45. return (0);
  46. }