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authorUlf Samuelsson <ulf@atmel.com>2009-03-27 23:26:43 +0100
committerJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2009-04-04 20:42:20 +0200
commitcb82a532669f6b02225ec3429ea4d49ff2b97d0a (patch)
tree3b08f9ce44bac5fcee84ffd44ea1dfb0c16580e4 /board/atmel/at91rm9200ek/led.c
parentb9c0e4c29e3ec12668ac50e954e7c9ba8f7aa10a (diff)
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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.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/board/atmel/at91rm9200ek/led.c b/board/atmel/at91rm9200ek/led.c
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+++ b/board/atmel/at91rm9200ek/led.c
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+/*
+ * (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);
+}