board/atmel/at91sam9263ek/led.c

   1 /*
   2  * (C) Copyright 2007-2008
   3  * Stelian Pop <stelian@popies.net>
   4  * Lead Tech Design <www.leadtechdesign.com>
   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 #include <common.h>
  26 #include <asm/io.h>
  27 #include <asm/arch/gpio.h>
  28 #include <asm/arch/at91_pmc.h>
  29 #include <asm/arch/at91sam9263.h>
  30
  31 void coloured_LED_init(void)
  32 {
  33         /* Enable clock */
  34         at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
  35
  36         writel(1 << ATMEL_ID_PIOB | 1 << ATMEL_ID_PIOCDE,
  37                 &pmc->pcer);
  38
  39         at91_set_gpio_output(CONFIG_RED_LED, 1);
  40         at91_set_gpio_output(CONFIG_GREEN_LED, 1);
  41         at91_set_gpio_output(CONFIG_YELLOW_LED, 1);
  42
  43         at91_set_gpio_value(CONFIG_RED_LED, 0);
  44         at91_set_gpio_value(CONFIG_GREEN_LED, 1);
  45         at91_set_gpio_value(CONFIG_YELLOW_LED, 1);
  46 }