reset.S 1.3 KB

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  1. /*
  2. * Copyright (c) 2009 Samsung Electronics.
  3. * Minkyu Kang <mk7.kang@samsung.com>
  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. #include <asm/arch/cpu.h>
  24. #define S5PC100_SWRESET 0xE0200000
  25. #define S5PC110_SWRESET 0xE0102000
  26. .globl reset_cpu
  27. reset_cpu:
  28. ldr r1, =S5PC100_PRO_ID
  29. ldr r2, [r1]
  30. ldr r4, =0x00010000
  31. and r4, r2, r4
  32. cmp r4, #0
  33. bne 110f
  34. /* S5PC100 */
  35. ldr r1, =S5PC100_SWRESET
  36. ldr r2, =0xC100
  37. b 200f
  38. 110: /* S5PC110 */
  39. ldr r1, =S5PC110_SWRESET
  40. mov r2, #1
  41. 200:
  42. str r2, [r1]
  43. _loop_forever:
  44. b _loop_forever