LXR uboot/arch/sandbox/cpu/state.c

   1/*
   2 * Copyright (c) 2011-2012 The Chromium OS Authors.
   3 * See file CREDITS for list of people who contributed to this
   4 * project.
   5 *
   6 * This program is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU General Public License as
   8 * published by the Free Software Foundation; either version 2 of
   9 * the License, or (at your option) any later version.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  19 * MA 02111-1307 USA
  20 */
  21
  22#include <common.h>
  23#include <asm/state.h>
  24
  25/* Main state record for the sandbox */
  26static struct sandbox_state main_state;
  27static struct sandbox_state *state;     /* Pointer to current state record */
  28
  29void state_record_exit(enum exit_type_id exit_type)
  30{
  31        state->exit_type = exit_type;
  32}
  33
  34struct sandbox_state *state_get_current(void)
  35{
  36        assert(state);
  37        return state;
  38}
  39
  40int state_init(void)
  41{
  42        state = &main_state;
  43
  44        /*
  45         * Example of how to use GPIOs:
  46         *
  47         * sandbox_gpio_set_direction(170, 0);
  48         * sandbox_gpio_set_value(170, 0);
  49         */
  50        return 0;
  51}
  52