diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/board/atmel/at91rm9200ek/led.c | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/board/atmel/at91rm9200ek/led.c')
| -rw-r--r-- | roms/u-boot/board/atmel/at91rm9200ek/led.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/roms/u-boot/board/atmel/at91rm9200ek/led.c b/roms/u-boot/board/atmel/at91rm9200ek/led.c new file mode 100644 index 000000000..a6b4d1fb6 --- /dev/null +++ b/roms/u-boot/board/atmel/at91rm9200ek/led.c @@ -0,0 +1,71 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2006 + * Atmel Nordic AB <www.atmel.com> + * Ulf Samuelsson <ulf@atmel.com> + * + * (C) Copyright 2010 + * Andreas Bießmann <andreas@biessmann.org> + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include <asm/arch/clk.h> +#include <asm/arch/at91_pio.h> +#include <status_led.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_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO; + + at91_periph_clk_enable(ATMEL_ID_PIOB); + + /* 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); +} |