cache.c 1.5 KB

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  1. /*
  2. * (C) Copyright 2002
  3. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  4. *
  5. * See file CREDITS for list of people who contributed to this
  6. * project.
  7. *
  8. * This program is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU General Public License as
  10. * published by the Free Software Foundation; either version 2 of
  11. * the License, or (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21. * MA 02111-1307 USA
  22. */
  23. /* for now: just dummy functions to satisfy the linker */
  24. #include <common.h>
  25. void flush_cache (unsigned long dummy1, unsigned long dummy2)
  26. {
  27. #if defined(CONFIG_OMAP2420) || defined(CONFIG_ARM1136)
  28. void arm1136_cache_flush(void);
  29. arm1136_cache_flush();
  30. #endif
  31. #ifdef CONFIG_ARM926EJS
  32. /* test and clean, page 2-23 of arm926ejs manual */
  33. asm("0: mrc p15, 0, r15, c7, c10, 3\n\t" "bne 0b\n" : : : "memory");
  34. /* disable write buffer as well (page 2-22) */
  35. asm("mcr p15, 0, %0, c7, c10, 4" : : "r" (0));
  36. #endif
  37. #ifdef CONFIG_ARMCORTEXA8
  38. void v7_flush_cache_all(void);
  39. v7_flush_cache_all();
  40. #endif
  41. return;
  42. }