arch/arm/cpu/arm926ejs/omap/reset.S

   1 /*
   2  *  armboot - Startup Code for ARM926EJS CPU-core
   3  *
   4  *  Copyright (c) 2003  Texas Instruments
   5  *
   6  *  ----- Adapted for OMAP1610 OMAP730 from ARM925t code ------
   7  *
   8  *  Copyright (c) 2001  Marius Gröger <mag@sysgo.de>
   9  *  Copyright (c) 2002  Alex Züpke <azu@sysgo.de>
  10  *  Copyright (c) 2002  Gary Jennejohn <garyj@denx.de>
  11  *  Copyright (c) 2003  Richard Woodruff <r-woodruff2@ti.com>
  12  *  Copyright (c) 2003  Kshitij <kshitij@ti.com>
  13  *
  14  * SPDX-License-Identifier:     GPL-2.0+
  15  */
  16
  17         .align  5
  18 .globl reset_cpu
  19 reset_cpu:
  20         ldr     r1, rstctl1     /* get clkm1 reset ctl */
  21         mov     r3, #0x0
  22         strh    r3, [r1]        /* clear it */
  23         mov     r3, #0x8
  24         strh    r3, [r1]        /* force dsp+arm reset */
  25 _loop_forever:
  26         b       _loop_forever
  27
  28 rstctl1:
  29         .word   0xfffece10