xref: /openbmc/u-boot/board/atmel/at91sam9263ek/led.c (revision 8e429b3e)
1 /*
2  * (C) Copyright 2007-2008
3  * Stelian Pop <stelian.pop@leadtechdesign.com>
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/at91sam9263.h>
27 #include <asm/arch/at91_pmc.h>
28 #include <asm/arch/gpio.h>
29 #include <asm/arch/io.h>
30 
31 #define	RED_LED		AT91_PIN_PB7	/* this is the power led */
32 #define	GREEN_LED	AT91_PIN_PB8	/* this is the user1 led */
33 #define	YELLOW_LED	AT91_PIN_PC29	/* this is the user2 led */
34 
35 void red_LED_on(void)
36 {
37 	at91_set_gpio_value(RED_LED, 1);
38 }
39 
40 void red_LED_off(void)
41 {
42 	at91_set_gpio_value(RED_LED, 0);
43 }
44 
45 void green_LED_on(void)
46 {
47 	at91_set_gpio_value(GREEN_LED, 0);
48 }
49 
50 void green_LED_off(void)
51 {
52 	at91_set_gpio_value(GREEN_LED, 1);
53 }
54 
55 void yellow_LED_on(void)
56 {
57 	at91_set_gpio_value(YELLOW_LED, 0);
58 }
59 
60 void yellow_LED_off(void)
61 {
62 	at91_set_gpio_value(YELLOW_LED, 1);
63 }
64 
65 void coloured_LED_init(void)
66 {
67 	/* Enable clock */
68 	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_PIOB |
69 				      1 << AT91SAM9263_ID_PIOCDE);
70 
71 	at91_set_gpio_output(RED_LED, 1);
72 	at91_set_gpio_output(GREEN_LED, 1);
73 	at91_set_gpio_output(YELLOW_LED, 1);
74 
75 	at91_set_gpio_value(RED_LED, 0);
76 	at91_set_gpio_value(GREEN_LED, 1);
77 	at91_set_gpio_value(YELLOW_LED, 1);
78 }
79