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/*
* (C) Copyright 2006
* Atmel Nordic AB <www.atmel.com>
* Ulf Samuelsson <ulf@atmel.com>
*
* (C) Copyright 2010
* Andreas Bießmann <andreas.devel@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch/hardware.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_pio.h>
/* 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)
{
at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
writel(GREEN_LED, &pio->piob.codr);
}
void yellow_led_on(void)
{
at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
writel(YELLOW_LED, &pio->piob.codr);
}
void red_led_on(void)
{
at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
writel(RED_LED, &pio->piob.codr);
}
void green_led_off(void)
{
at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
writel(GREEN_LED, &pio->piob.sodr);
}
void yellow_led_off(void)
{
at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
writel(YELLOW_LED, &pio->piob.sodr);
}
void red_led_off(void)
{
at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
writel(RED_LED, &pio->piob.sodr);
}
void coloured_LED_init (void)
{
at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC;
at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
/* Enable PIOB clock */
writel(1 << ATMEL_ID_PIOB, &pmc->pcer);
/* Disable peripherals on LEDs */
writel(GREEN_LED | YELLOW_LED | RED_LED, &pio->piob.per);
/* Enable pins as outputs */
writel(GREEN_LED | YELLOW_LED | RED_LED, &pio->piob.oer);
/* Turn all LEDs OFF */
writel(GREEN_LED | YELLOW_LED | RED_LED, &pio->piob.sodr);
}
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