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author | Stefan Roese <sr@denx.de> | 2007-08-15 14:51:27 +0200 |
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committer | Stefan Roese <sr@denx.de> | 2007-08-15 14:51:27 +0200 |
commit | d61ea14885631e58a25feaa81ee82eb464c62d6a (patch) | |
tree | 27927975039d0a15e6c6d4dfe8f765a76a12820a /board/at91rm9200dk/led.c | |
parent | 3ba4c2d68f6541db4677b4aea12071f56e6ff6e6 (diff) | |
parent | 594e79838ce5078a90d0c27abb2b2d61d5f8e8a7 (diff) | |
download | u-boot-imx-d61ea14885631e58a25feaa81ee82eb464c62d6a.zip u-boot-imx-d61ea14885631e58a25feaa81ee82eb464c62d6a.tar.gz u-boot-imx-d61ea14885631e58a25feaa81ee82eb464c62d6a.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; +} |