sleep.S 1.5 KB

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  1. /* linux/arch/arm/plat-s5p/sleep.S
  2. *
  3. * Copyright (c) 2011 Samsung Electronics Co., Ltd.
  4. * http://www.samsung.com
  5. *
  6. * Common S5P Sleep Code
  7. * Based on S3C64XX sleep code by:
  8. * Ben Dooks, (c) 2008 Simtec Electronics
  9. *
  10. * This program is free software; you can redistribute it and/or modify
  11. * it under the terms of the GNU General Public License as published by
  12. * the Free Software Foundation; either version 2 of the License, or
  13. * (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, MA 02111-1307 USA
  23. */
  24. #include <linux/linkage.h>
  25. #include <asm/assembler.h>
  26. .text
  27. /*
  28. * sleep magic, to allow the bootloader to check for an valid
  29. * image to resume to. Must be the first word before the
  30. * s3c_cpu_resume entry.
  31. */
  32. .word 0x2bedf00d
  33. /*
  34. * s3c_cpu_resume
  35. *
  36. * resume code entry for bootloader to call
  37. *
  38. * we must put this code here in the data segment as we have no
  39. * other way of restoring the stack pointer after sleep, and we
  40. * must not write to the code segment (code is read-only)
  41. */
  42. ENTRY(s3c_cpu_resume)
  43. b cpu_resume