This patch adds a gpio based status led driver. The led mask is used to specify the gpio pin.
Signed-off-by: Thomas Chou <tho...@wytron.com.tw> --- board/altera/common/gpioled.c | 30 ++++++++++++++++++++++++++++++ 1 files changed, 30 insertions(+), 0 deletions(-) create mode 100644 board/altera/common/gpioled.c diff --git a/board/altera/common/gpioled.c b/board/altera/common/gpioled.c new file mode 100644 index 0000000..9a51fae --- /dev/null +++ b/board/altera/common/gpioled.c @@ -0,0 +1,30 @@ +/* + * Status LED driver based on gpio + * + * Copyright (C) 2010 Thomas Chou <tho...@wytron.com.tw> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <common.h> +#include <status_led.h> +#include <asm/gpio.h> + +/* assume led is active low */ + +void __led_init(led_id_t mask, int state) +{ + gpio_direction_output(mask, (state == STATUS_LED_ON) ? 0 : 1); +} + +void __led_set(led_id_t mask, int state) +{ + gpio_set_value(mask, (state == STATUS_LED_ON) ? 0 : 1); +} + +void __led_toggle(led_id_t mask) +{ + gpio_set_value(mask, !gpio_get_value (mask)); +} -- 1.6.6.1 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot