arch/arm/cpu/arm1176/s3c64xx/reset.S

   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
  24 #include <asm/arch/s3c6400.h>
  25
  26 .globl reset_cpu
  27 reset_cpu:
  28         ldr     r1, =ELFIN_CLOCK_POWER_BASE
  29         ldr     r2, [r1, #SYS_ID_OFFSET]
  30         ldr     r3, =0xffff
  31         and     r2, r3, r2, lsr #12
  32         str     r2, [r1, #SW_RST_OFFSET]
  33 _loop_forever:
  34         b       _loop_forever