diff options
author | Ulf Samuelsson <ulf@atmel.com> | 2009-03-27 23:26:43 +0100 |
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committer | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2009-04-04 20:42:20 +0200 |
commit | cb82a532669f6b02225ec3429ea4d49ff2b97d0a (patch) | |
tree | 3b08f9ce44bac5fcee84ffd44ea1dfb0c16580e4 /board/atmel/at91rm9200ek/led.c | |
parent | b9c0e4c29e3ec12668ac50e954e7c9ba8f7aa10a (diff) |
Add support for the AT91RM9200EK Board.
The AT91RM9200-EK Evaluation Board supports the AT91RM9200
ARM9-based 32-bit RISC microcontroller and enables real-time code development
and evaluation.
Here is the chip page on Atmel website:
http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3507
with
- NOR (cfi driver)
- DataFlash
- USB OHCI
- Net
- I2C (hard)
Signed-off-by: Ulf Samuelsson <ulf@atmel.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'board/atmel/at91rm9200ek/led.c')
-rw-r--r-- | board/atmel/at91rm9200ek/led.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/board/atmel/at91rm9200ek/led.c b/board/atmel/at91rm9200ek/led.c new file mode 100644 index 00000000000..9464952211b --- /dev/null +++ b/board/atmel/at91rm9200ek/led.c @@ -0,0 +1,89 @@ +/* + * (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> +#include <asm/io.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; + + writel(GREEN_LED, PIOB->PIO_CODR); +} + +void yellow_LED_on(void) +{ + AT91PS_PIO PIOB = AT91C_BASE_PIOB; + + writel(YELLOW_LED, PIOB->PIO_CODR); +} + +void red_LED_on(void) +{ + AT91PS_PIO PIOB = AT91C_BASE_PIOB; + + writel(RED_LED, PIOB->PIO_CODR); +} + +void green_LED_off(void) +{ + AT91PS_PIO PIOB = AT91C_BASE_PIOB; + + writel(GREEN_LED, PIOB->PIO_SODR); +} + +void yellow_LED_off(void) +{ + AT91PS_PIO PIOB = AT91C_BASE_PIOB; + + writel(YELLOW_LED, PIOB->PIO_SODR); +} + +void red_LED_off(void) +{ + AT91PS_PIO PIOB = AT91C_BASE_PIOB; + + writel(RED_LED, PIOB->PIO_SODR); +} + + +void coloured_LED_init (void) +{ + AT91PS_PIO PIOB = AT91C_BASE_PIOB; + AT91PS_PMC PMC = AT91C_BASE_PMC; + + /* Enable PIOB clock */ + writel((1 << AT91C_ID_PIOB), PMC->PMC_PCER); + /* Disable peripherals on LEDs */ + writel(AT91C_PIO_PB2 | AT91C_PIO_PB1 | AT91C_PIO_PB0, PIOB->PIO_PER); + /* Enable pins as outputs */ + writel(AT91C_PIO_PB2 | AT91C_PIO_PB1 | AT91C_PIO_PB0, PIOB->PIO_OER); + /* Turn all LEDs OFF */ + writel(AT91C_PIO_PB2 | AT91C_PIO_PB1 | AT91C_PIO_PB0, PIOB->PIO_SODR); +} |