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Diffstat (limited to 'board/atmel/at91rm9200ek/led.c')
-rw-r--r--board/atmel/at91rm9200ek/led.c58
1 files changed, 28 insertions, 30 deletions
diff --git a/board/atmel/at91rm9200ek/led.c b/board/atmel/at91rm9200ek/led.c
index 9464952..8d512e0 100644
--- a/board/atmel/at91rm9200ek/led.c
+++ b/board/atmel/at91rm9200ek/led.c
@@ -3,6 +3,9 @@
* Atmel Nordic AB <www.atmel.com>
* Ulf Samuelsson <ulf@atmel.com>
*
+ * (C) Copyright 2010
+ * Andreas Bießmann <andreas.devel@gmail.com>
+ *
* See file CREDITS for list of people who contributed to this
* project.
*
@@ -23,67 +26,62 @@
*/
#include <common.h>
-#include <asm/arch/AT91RM9200.h>
-#include <asm/io.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/at91_pmc.h>
-#define GREEN_LED AT91C_PIO_PB0
-#define YELLOW_LED AT91C_PIO_PB1
-#define RED_LED AT91C_PIO_PB2
+/* bit mask in PIO port B */
+#define GREEN_LED (1<<0)
+#define YELLOW_LED (1<<1)
+#define RED_LED (1<<2)
void green_LED_on(void)
{
- AT91PS_PIO PIOB = AT91C_BASE_PIOB;
-
- writel(GREEN_LED, PIOB->PIO_CODR);
+ at91_pio_t *pio = (at91_pio_t *)AT91_PIO_BASE;
+ writel(GREEN_LED, &pio->piob.codr);
}
void yellow_LED_on(void)
{
- AT91PS_PIO PIOB = AT91C_BASE_PIOB;
-
- writel(YELLOW_LED, PIOB->PIO_CODR);
+ at91_pio_t *pio = (at91_pio_t *)AT91_PIO_BASE;
+ writel(YELLOW_LED, &pio->piob.codr);
}
void red_LED_on(void)
{
- AT91PS_PIO PIOB = AT91C_BASE_PIOB;
-
- writel(RED_LED, PIOB->PIO_CODR);
+ at91_pio_t *pio = (at91_pio_t *)AT91_PIO_BASE;
+ writel(RED_LED, &pio->piob.codr);
}
void green_LED_off(void)
{
- AT91PS_PIO PIOB = AT91C_BASE_PIOB;
-
- writel(GREEN_LED, PIOB->PIO_SODR);
+ at91_pio_t *pio = (at91_pio_t *)AT91_PIO_BASE;
+ writel(GREEN_LED, &pio->piob.sodr);
}
void yellow_LED_off(void)
{
- AT91PS_PIO PIOB = AT91C_BASE_PIOB;
-
- writel(YELLOW_LED, PIOB->PIO_SODR);
+ at91_pio_t *pio = (at91_pio_t *)AT91_PIO_BASE;
+ writel(YELLOW_LED, &pio->piob.sodr);
}
void red_LED_off(void)
{
- AT91PS_PIO PIOB = AT91C_BASE_PIOB;
-
- writel(RED_LED, PIOB->PIO_SODR);
+ at91_pio_t *pio = (at91_pio_t *)AT91_PIO_BASE;
+ writel(RED_LED, &pio->piob.sodr);
}
-
void coloured_LED_init (void)
{
- AT91PS_PIO PIOB = AT91C_BASE_PIOB;
- AT91PS_PMC PMC = AT91C_BASE_PMC;
+ at91_pmc_t *pmc = (at91_pmc_t *)AT91_PMC_BASE;
+ at91_pio_t *pio = (at91_pio_t *)AT91_PIO_BASE;
/* Enable PIOB clock */
- writel((1 << AT91C_ID_PIOB), PMC->PMC_PCER);
+ writel(1 << AT91_ID_PIOB, &pmc->pcer);
+
/* Disable peripherals on LEDs */
- writel(AT91C_PIO_PB2 | AT91C_PIO_PB1 | AT91C_PIO_PB0, PIOB->PIO_PER);
+ writel(GREEN_LED | YELLOW_LED | RED_LED, &pio->piob.per);
/* Enable pins as outputs */
- writel(AT91C_PIO_PB2 | AT91C_PIO_PB1 | AT91C_PIO_PB0, PIOB->PIO_OER);
+ writel(GREEN_LED | YELLOW_LED | RED_LED, &pio->piob.oer);
/* Turn all LEDs OFF */
- writel(AT91C_PIO_PB2 | AT91C_PIO_PB1 | AT91C_PIO_PB0, PIOB->PIO_SODR);
+ writel(GREEN_LED | YELLOW_LED | RED_LED, &pio->piob.sodr);
}