board/xilinx/xupv2p/xupv2p.c

   1 /*
   2  * (C) Copyright 2007 Michal Simek
   3  *
   4  * Michal  SIMEK <monstr@monstr.eu>
   5  *
   6  * See file CREDITS for list of people who contributed to this
   7  * project.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22  * MA 02111-1307 USA
  23  */
  24
  25 /* This is a board specific file.  It's OK to include board specific
  26  * header files */
  27
  28 #include <common.h>
  29 #include <config.h>
  30
  31 void do_reset (void)
  32 {
  33 #ifdef CONFIG_SYS_GPIO_0
  34         *((unsigned long *)(CONFIG_SYS_GPIO_0_ADDR)) =
  35             ++(*((unsigned long *)(CONFIG_SYS_GPIO_0_ADDR)));
  36 #endif
  37 #ifdef CONFIG_SYS_RESET_ADDRESS
  38         puts ("Reseting board\n");
  39         asm ("bra r0");
  40 #endif
  41 }
  42
  43 int gpio_init (void)
  44 {
  45 #ifdef CONFIG_SYS_GPIO_0
  46         *((unsigned long *)(CONFIG_SYS_GPIO_0_ADDR)) = 0x0;
  47 #endif
  48         return 0;
  49 }