reset.S 697 B

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  1. /*
  2. * armboot - Startup Code for OMP2420/ARM1136 CPU-core
  3. *
  4. * Copyright (c) 2004 Texas Instruments <r-woodruff2@ti.com>
  5. *
  6. * Copyright (c) 2001 Marius Gröger <mag@sysgo.de>
  7. * Copyright (c) 2002 Alex Züpke <azu@sysgo.de>
  8. * Copyright (c) 2002 Gary Jennejohn <garyj@denx.de>
  9. * Copyright (c) 2003 Richard Woodruff <r-woodruff2@ti.com>
  10. * Copyright (c) 2003 Kshitij <kshitij@ti.com>
  11. *
  12. * SPDX-License-Identifier: GPL-2.0+
  13. */
  14. #include <asm/arch/omap2420.h>
  15. .globl reset_cpu
  16. reset_cpu:
  17. ldr r1, rstctl /* get addr for global reset reg */
  18. mov r3, #0x2 /* full reset pll+mpu */
  19. str r3, [r1] /* force reset */
  20. mov r0, r0
  21. _loop_forever:
  22. b _loop_forever
  23. rstctl:
  24. .word PM_RSTCTRL_WKUP