diff options
author | Markus Klotzbuecher <mk@denx.de> | 2007-09-17 17:12:45 +0200 |
---|---|---|
committer | Markus Klotzbuecher <mk@pollux.denx.de> | 2007-09-17 17:12:45 +0200 |
commit | f930922f061ea7bf585296859d1c14194c24b840 (patch) | |
tree | c46b9f120f7c55f5baf8b6ac3048ba759e10a512 /board/at91rm9200dk/led.c | |
parent | 97213f32416ead885deafea86774e912ffd60ad0 (diff) | |
parent | 67c31036acaaaa992fc346cc89db0909a7e733c4 (diff) | |
download | u-boot-imx-f930922f061ea7bf585296859d1c14194c24b840.zip u-boot-imx-f930922f061ea7bf585296859d1c14194c24b840.tar.gz u-boot-imx-f930922f061ea7bf585296859d1c14194c24b840.tar.bz2 |
Merge with git://www.denx.de/git/u-boot.git
Diffstat (limited to 'board/at91rm9200dk/led.c')
-rw-r--r-- | board/at91rm9200dk/led.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/board/at91rm9200dk/led.c b/board/at91rm9200dk/led.c new file mode 100644 index 0000000..0518918 --- /dev/null +++ b/board/at91rm9200dk/led.c @@ -0,0 +1,80 @@ +/* + * (C) Copyright 2006 + * Atmel Nordic AB <www.atmel.com> + * Ulf Samuelsson <ulf@atmel.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/AT91RM9200.h> + +#define GREEN_LED AT91C_PIO_PB0 +#define YELLOW_LED AT91C_PIO_PB1 +#define RED_LED AT91C_PIO_PB2 + +void green_LED_on(void) +{ + AT91PS_PIO PIOB = AT91C_BASE_PIOB; + PIOB->PIO_CODR = GREEN_LED; +} + +void yellow_LED_on(void) +{ + AT91PS_PIO PIOB = AT91C_BASE_PIOB; + PIOB->PIO_CODR = YELLOW_LED; +} + +void red_LED_on(void) +{ + AT91PS_PIO PIOB = AT91C_BASE_PIOB; + PIOB->PIO_CODR = RED_LED; +} + +void green_LED_off(void) +{ + AT91PS_PIO PIOB = AT91C_BASE_PIOB; + PIOB->PIO_SODR = GREEN_LED; +} + +void yellow_LED_off(void) +{ + AT91PS_PIO PIOB = AT91C_BASE_PIOB; + PIOB->PIO_SODR = YELLOW_LED; +} + +void red_LED_off(void) +{ + AT91PS_PIO PIOB = AT91C_BASE_PIOB; + PIOB->PIO_SODR = RED_LED; +} + + +void LED_init (void) +{ + AT91PS_PIO PIOB = AT91C_BASE_PIOB; + AT91PS_PMC PMC = AT91C_BASE_PMC; + PMC->PMC_PCER = (1 << AT91C_ID_PIOB); /* Enable PIOB clock */ + /* Disable peripherals on LEDs */ + PIOB->PIO_PER = AT91C_PIO_PB2 | AT91C_PIO_PB1 | AT91C_PIO_PB0; + /* Enable pins as outputs */ + PIOB->PIO_OER = AT91C_PIO_PB2 | AT91C_PIO_PB1 | AT91C_PIO_PB0; + /* Turn all LEDs OFF */ + PIOB->PIO_SODR = AT91C_PIO_PB2 | AT91C_PIO_PB1 | AT91C_PIO_PB0; +} |