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author | Wolfgang Denk <wd@denx.de> | 2008-06-05 01:12:30 +0200 |
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committer | Wolfgang Denk <wd@denx.de> | 2008-06-05 01:12:30 +0200 |
commit | 8155efbd7ae9c65564ca98affe94631d612ae088 (patch) | |
tree | 23f89ba651f48bf88c653796cb64f2c58d2f0515 /board/atmel/at91sam9rlek/led.c | |
parent | 5e1882df6a3efc7de5524d28cea4ecde7d163d54 (diff) | |
parent | 9ef1cbef1a649e3779298b0e663be4865cbbbfbc (diff) | |
download | u-boot-imx-8155efbd7ae9c65564ca98affe94631d612ae088.zip u-boot-imx-8155efbd7ae9c65564ca98affe94631d612ae088.tar.gz u-boot-imx-8155efbd7ae9c65564ca98affe94631d612ae088.tar.bz2 |
Merge branch 'master' of ssh://mercury/home/wd/git/u-boot/master
Diffstat (limited to 'board/atmel/at91sam9rlek/led.c')
-rw-r--r-- | board/atmel/at91sam9rlek/led.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/board/atmel/at91sam9rlek/led.c b/board/atmel/at91sam9rlek/led.c new file mode 100644 index 0000000..8a7d8e0 --- /dev/null +++ b/board/atmel/at91sam9rlek/led.c @@ -0,0 +1,77 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop <stelian.pop@leadtechdesign.com> + * Lead Tech Design <www.leadtechdesign.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/arch/at91sam9rl.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/gpio.h> +#include <asm/arch/io.h> + +#define RED_LED AT91_PIN_PD14 /* this is the power led */ +#define GREEN_LED AT91_PIN_PD15 /* this is the user1 led */ +#define YELLOW_LED AT91_PIN_PD16 /* this is the user2 led */ + +void red_LED_on(void) +{ + at91_set_gpio_value(RED_LED, 1); +} + +void red_LED_off(void) +{ + at91_set_gpio_value(RED_LED, 0); +} + +void green_LED_on(void) +{ + at91_set_gpio_value(GREEN_LED, 0); +} + +void green_LED_off(void) +{ + at91_set_gpio_value(GREEN_LED, 1); +} + +void yellow_LED_on(void) +{ + at91_set_gpio_value(YELLOW_LED, 0); +} + +void yellow_LED_off(void) +{ + at91_set_gpio_value(YELLOW_LED, 1); +} + +void coloured_LED_init(void) +{ + /* Enable clock */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_PIOD); + + at91_set_gpio_output(RED_LED, 1); + at91_set_gpio_output(GREEN_LED, 1); + at91_set_gpio_output(YELLOW_LED, 1); + + at91_set_gpio_value(RED_LED, 0); + at91_set_gpio_value(GREEN_LED, 1); + at91_set_gpio_value(YELLOW_LED, 1); +} |