diff options
Diffstat (limited to 'u-boot/board/eukrea/cpu9260/led.c')
| -rw-r--r-- | u-boot/board/eukrea/cpu9260/led.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/u-boot/board/eukrea/cpu9260/led.c b/u-boot/board/eukrea/cpu9260/led.c new file mode 100644 index 0000000..e73543b --- /dev/null +++ b/u-boot/board/eukrea/cpu9260/led.c @@ -0,0 +1,153 @@ +/* + * Copyright (c) 2009 Wind River Systems, Inc. + * Tom Rix <Tom.Rix@windriver.com> + * (C) Copyright 2009 + * Eric Benard <eric@eukrea.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#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/arch/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) +{ + /* Enable clock */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_PIOC); + + at91_set_gpio_output(CONFIG_RED_LED, 1); + at91_set_gpio_output(CONFIG_GREEN_LED, 1); + at91_set_gpio_output(CONFIG_YELLOW_LED, 1); + at91_set_gpio_output(CONFIG_BLUE_LED, 1); + + at91_set_gpio_value(CONFIG_RED_LED, 1); + at91_set_gpio_value(CONFIG_GREEN_LED, 1); + at91_set_gpio_value(CONFIG_YELLOW_LED, 1); + at91_set_gpio_value(CONFIG_BLUE_LED, 1); +} + +void red_LED_off(void) +{ + at91_set_gpio_value(CONFIG_RED_LED, 1); + saved_state[STATUS_LED_RED] = STATUS_LED_OFF; +} + +void green_LED_off(void) +{ + at91_set_gpio_value(CONFIG_GREEN_LED, 1); + saved_state[STATUS_LED_GREEN] = STATUS_LED_OFF; +} + +void yellow_LED_off(void) +{ + at91_set_gpio_value(CONFIG_YELLOW_LED, 1); + saved_state[STATUS_LED_YELLOW] = STATUS_LED_OFF; +} + +void blue_LED_off(void) +{ + at91_set_gpio_value(CONFIG_BLUE_LED, 1); + saved_state[STATUS_LED_BLUE] = STATUS_LED_OFF; +} + +void red_LED_on(void) +{ + at91_set_gpio_value(CONFIG_RED_LED, 0); + saved_state[STATUS_LED_RED] = STATUS_LED_ON; +} + +void green_LED_on(void) +{ + at91_set_gpio_value(CONFIG_GREEN_LED, 0); + saved_state[STATUS_LED_GREEN] = STATUS_LED_ON; +} + +void yellow_LED_on(void) +{ + at91_set_gpio_value(CONFIG_YELLOW_LED, 0); + saved_state[STATUS_LED_YELLOW] = STATUS_LED_ON; +} + +void blue_LED_on(void) +{ + at91_set_gpio_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(); + } +} |