diff options
Diffstat (limited to 'qemu/roms/u-boot/board/eukrea/cpu9260/led.c')
| -rw-r--r-- | qemu/roms/u-boot/board/eukrea/cpu9260/led.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/eukrea/cpu9260/led.c b/qemu/roms/u-boot/board/eukrea/cpu9260/led.c new file mode 100644 index 000000000..0cfe0a69f --- /dev/null +++ b/qemu/roms/u-boot/board/eukrea/cpu9260/led.c @@ -0,0 +1,139 @@ +/* + * Copyright (c) 2009 Wind River Systems, Inc. + * Tom Rix <Tom.Rix@windriver.com> + * (C) Copyright 2009 + * Eric Benard <eric@eukrea.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <status_led.h> +#include <asm/arch/at91sam9260.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/gpio.h> +#include <asm/io.h> + +static unsigned int saved_state[4] = {STATUS_LED_OFF, STATUS_LED_OFF, + STATUS_LED_OFF, STATUS_LED_OFF}; + +void coloured_LED_init(void) +{ + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + + /* Enable clock */ + writel(1 << ATMEL_ID_PIOC, &pmc->pcer); + + at91_set_pio_output(CONFIG_RED_LED, 1); + at91_set_pio_output(CONFIG_GREEN_LED, 1); + at91_set_pio_output(CONFIG_YELLOW_LED, 1); + at91_set_pio_output(CONFIG_BLUE_LED, 1); + + at91_set_pio_value(CONFIG_RED_LED, 1); + at91_set_pio_value(CONFIG_GREEN_LED, 1); + at91_set_pio_value(CONFIG_YELLOW_LED, 1); + at91_set_pio_value(CONFIG_BLUE_LED, 1); +} + +void red_led_off(void) +{ + at91_set_pio_value(CONFIG_RED_LED, 1); + saved_state[STATUS_LED_RED] = STATUS_LED_OFF; +} + +void green_led_off(void) +{ + at91_set_pio_value(CONFIG_GREEN_LED, 1); + saved_state[STATUS_LED_GREEN] = STATUS_LED_OFF; +} + +void yellow_led_off(void) +{ + at91_set_pio_value(CONFIG_YELLOW_LED, 1); + saved_state[STATUS_LED_YELLOW] = STATUS_LED_OFF; +} + +void blue_led_off(void) +{ + at91_set_pio_value(CONFIG_BLUE_LED, 1); + saved_state[STATUS_LED_BLUE] = STATUS_LED_OFF; +} + +void red_led_on(void) +{ + at91_set_pio_value(CONFIG_RED_LED, 0); + saved_state[STATUS_LED_RED] = STATUS_LED_ON; +} + +void green_led_on(void) +{ + at91_set_pio_value(CONFIG_GREEN_LED, 0); + saved_state[STATUS_LED_GREEN] = STATUS_LED_ON; +} + +void yellow_led_on(void) +{ + at91_set_pio_value(CONFIG_YELLOW_LED, 0); + saved_state[STATUS_LED_YELLOW] = STATUS_LED_ON; +} + +void blue_led_on(void) +{ + at91_set_pio_value(CONFIG_BLUE_LED, 0); + saved_state[STATUS_LED_BLUE] = STATUS_LED_ON; +} + +void __led_init(led_id_t mask, int state) +{ + __led_set(mask, state); +} + +void __led_toggle(led_id_t mask) +{ + if (STATUS_LED_BLUE == mask) { + if (STATUS_LED_ON == saved_state[STATUS_LED_BLUE]) + blue_led_off(); + else + blue_led_on(); + } else if (STATUS_LED_RED == mask) { + if (STATUS_LED_ON == saved_state[STATUS_LED_RED]) + red_led_off(); + else + red_led_on(); + } else if (STATUS_LED_GREEN == mask) { + if (STATUS_LED_ON == saved_state[STATUS_LED_GREEN]) + green_led_off(); + else + green_led_on(); + } else if (STATUS_LED_YELLOW == mask) { + if (STATUS_LED_ON == saved_state[STATUS_LED_YELLOW]) + yellow_led_off(); + else + yellow_led_on(); + } +} + +void __led_set(led_id_t mask, int state) +{ + if (STATUS_LED_BLUE == mask) { + if (STATUS_LED_ON == state) + blue_led_on(); + else + blue_led_off(); + } else if (STATUS_LED_RED == mask) { + if (STATUS_LED_ON == state) + red_led_on(); + else + red_led_off(); + } else if (STATUS_LED_GREEN == mask) { + if (STATUS_LED_ON == state) + green_led_on(); + else + green_led_off(); + } else if (STATUS_LED_YELLOW == mask) { + if (STATUS_LED_ON == state) + yellow_led_on(); + else + yellow_led_off(); + } +} |