arch/arm/cpu/arm925t/omap925.c

   1 /*
   2  * (C) Copyright 2003
   3  * Texas Instruments <www.ti.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 <common.h>
  25 #include <command.h>
  26 #include <arm925t.h>
  27
  28 #define MIF_CONFIG_REG 0xFFFECC0C
  29 #define FLASH_GLOBAL_CTRL_NWP 1
  30
  31 void archflashwp (void *archdata, int wp)
  32 {
  33         ulong *fgc = (ulong *) MIF_CONFIG_REG;
  34
  35         if (wp == 1)
  36                 *fgc &= ~FLASH_GLOBAL_CTRL_NWP;
  37         else
  38                 *fgc |= FLASH_GLOBAL_CTRL_NWP;
  39 }