diff options
Diffstat (limited to 'board/atmel/at91rm9200ek/led.c')
| -rw-r--r-- | board/atmel/at91rm9200ek/led.c | 58 |
1 files changed, 28 insertions, 30 deletions
diff --git a/board/atmel/at91rm9200ek/led.c b/board/atmel/at91rm9200ek/led.c index 946495221..8d512e032 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); } |