cache.c 1.1 KB

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  1. /*
  2. * (C) Copyright 2004 Atmark Techno, Inc.
  3. *
  4. * Yasushi SHOJI <yashi@atmark-techno.com>
  5. *
  6. * See file CREDITS for list of people who contributed to this
  7. * project.
  8. *
  9. * This program is free software; you can redistribute it and/or
  10. * modify it under the terms of the GNU General Public License as
  11. * published by the Free Software Foundation; either version 2 of
  12. * the License, or (at your option) any later version.
  13. *
  14. * This program is distributed in the hope that it will be useful,
  15. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17. * GNU General Public License for more details.
  18. *
  19. * You should have received a copy of the GNU General Public License
  20. * along with this program; if not, write to the Free Software
  21. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22. * MA 02111-1307 USA
  23. */
  24. #include <common.h>
  25. void flush_cache (ulong addr, ulong size)
  26. {
  27. int i;
  28. for (i = 0; i < size; i += 4)
  29. asm volatile (
  30. #ifdef CONFIG_ICACHE
  31. "wic %0, r0;"
  32. #endif
  33. "nop;"
  34. #ifdef CONFIG_DCACHE
  35. "wdc %0, r0;"
  36. #endif
  37. "nop;"
  38. :
  39. : "r" (addr + i)
  40. : "memory");
  41. }