cache.S 1.3 KB

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  1. /*
  2. * Copyright (C) 2009 Samsung Electronics
  3. * Minkyu Kang <mk7.kang@samsung.com>
  4. *
  5. * based on arch/arm/cpu/armv7/omap3/cache.S
  6. *
  7. * See file CREDITS for list of people who contributed to this
  8. * project.
  9. *
  10. * This program is free software; you can redistribute it and/or
  11. * modify it under the terms of the GNU General Public License as
  12. * published by the Free Software Foundation; either version 2 of
  13. * the License, or (at your option) any later version.
  14. *
  15. * This program is distributed in the hope that it will be useful,
  16. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18. * GNU General Public License for more details.
  19. *
  20. * You should have received a copy of the GNU General Public License
  21. * along with this program; if not, write to the Free Software
  22. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23. * MA 02111-1307 USA
  24. */
  25. .align 5
  26. #ifndef CONFIG_SYS_L2CACHE_OFF
  27. .global v7_outer_cache_enable
  28. v7_outer_cache_enable:
  29. push {r0, r1, r2, lr}
  30. mrc 15, 0, r3, cr1, cr0, 1
  31. orr r3, r3, #2
  32. mcr 15, 0, r3, cr1, cr0, 1
  33. pop {r1, r2, r3, pc}
  34. .global v7_outer_cache_disable
  35. v7_outer_cache_disable:
  36. push {r0, r1, r2, lr}
  37. mrc 15, 0, r3, cr1, cr0, 1
  38. bic r3, r3, #2
  39. mcr 15, 0, r3, cr1, cr0, 1
  40. pop {r1, r2, r3, pc}
  41. #endif