xref: /openbmc/u-boot/board/atmel/at91sam9261ek/led.c (revision ae03661f)
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/arch/at91sam9261.h>
27 #include <asm/arch/at91_pmc.h>
28 #include <asm/arch/gpio.h>
29 #include <asm/arch/at91_pio.h>
30 #include <asm/io.h>
31 
32 void coloured_LED_init(void)
33 {
34 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
35 
36 	/* Enable clock */
37 	writel(ATMEL_ID_PIOA, &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 }
47