cpu/arm1136/omap24xx/start.S

   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 Gr??ger <mag@sysgo.de>
   7  *  Copyright (c) 2002  Alex Z??pke <azu@sysgo.de>
   8  *  Copyright (c) 2002  Gary Jennejohn <gj@denx.de>
   9  *  Copyright (c) 2003  Richard Woodruff <r-woodruff2@ti.com>
  10  *  Copyright (c) 2003  Kshitij <kshitij@ti.com>
  11  *
  12  * See file CREDITS for list of people who contributed to this
  13  * project.
  14  *
  15  * This program is free software; you can redistribute it and/or
  16  * modify it under the terms of the GNU General Public License as
  17  * published by the Free Software Foundation; either version 2 of
  18  * the License, or (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, write to the Free Software
  27  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  28  * MA 02111-1307 USA
  29  */
  30
  31 #include <asm/arch/omap2420.h>
  32
  33 .globl reset_cpu
  34 reset_cpu:
  35         ldr     r1, rstctl      /* get addr for global reset reg */
  36         mov     r3, #0x2        /* full reset pll+mpu */
  37         str     r3, [r1]        /* force reset */
  38         mov     r0, r0
  39 _loop_forever:
  40         b       _loop_forever
  41 rstctl:
  42         .word   PM_RSTCTRL_WKUP