mirror of
https://github.com/brain-hackers/u-boot-brain
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1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
117 lines
2.2 KiB
C
117 lines
2.2 KiB
C
/*
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* Copyright (c) 2009 Wind River Systems, Inc.
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* Tom Rix <Tom.Rix@windriver.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <status_led.h>
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#include <asm/arch/cpu.h>
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#include <asm/io.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/gpio.h>
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static unsigned int saved_state[2] = {STATUS_LED_OFF, STATUS_LED_OFF};
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/*
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* GPIO LEDs
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* 173 red
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* 154 blue
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* 61 blue2
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*/
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#define ZOOM2_LED_RED 173
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#define ZOOM2_LED_BLUE 154
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#define ZOOM2_LED_BLUE2 61
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void red_led_off(void)
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{
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/* red */
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if (!gpio_request(ZOOM2_LED_RED, "")) {
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gpio_direction_output(ZOOM2_LED_RED, 0);
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gpio_set_value(ZOOM2_LED_RED, 0);
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}
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saved_state[STATUS_LED_RED] = STATUS_LED_OFF;
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}
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void blue_led_off(void)
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{
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/* blue */
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if (!gpio_request(ZOOM2_LED_BLUE, "")) {
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gpio_direction_output(ZOOM2_LED_BLUE, 0);
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gpio_set_value(ZOOM2_LED_BLUE, 0);
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}
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/* blue 2 */
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if (!gpio_request(ZOOM2_LED_BLUE2, "")) {
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gpio_direction_output(ZOOM2_LED_BLUE2, 0);
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gpio_set_value(ZOOM2_LED_BLUE2, 0);
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}
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saved_state[STATUS_LED_BLUE] = STATUS_LED_OFF;
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}
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void red_led_on(void)
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{
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blue_led_off();
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/* red */
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if (!gpio_request(ZOOM2_LED_RED, "")) {
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gpio_direction_output(ZOOM2_LED_RED, 0);
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gpio_set_value(ZOOM2_LED_RED, 1);
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}
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saved_state[STATUS_LED_RED] = STATUS_LED_ON;
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}
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void blue_led_on(void)
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{
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red_led_off();
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/* blue */
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if (!gpio_request(ZOOM2_LED_BLUE, "")) {
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gpio_direction_output(ZOOM2_LED_BLUE, 0);
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gpio_set_value(ZOOM2_LED_BLUE, 1);
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}
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/* blue 2 */
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if (!gpio_request(ZOOM2_LED_BLUE2, "")) {
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gpio_direction_output(ZOOM2_LED_BLUE2, 0);
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gpio_set_value(ZOOM2_LED_BLUE2, 1);
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}
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saved_state[STATUS_LED_BLUE] = STATUS_LED_ON;
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}
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void __led_init (led_id_t mask, int state)
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{
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__led_set (mask, state);
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}
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void __led_toggle (led_id_t mask)
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{
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if (STATUS_LED_BLUE == mask) {
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if (STATUS_LED_ON == saved_state[STATUS_LED_BLUE])
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blue_led_off();
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else
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blue_led_on();
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} else if (STATUS_LED_RED == mask) {
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if (STATUS_LED_ON == saved_state[STATUS_LED_RED])
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red_led_off();
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else
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red_led_on();
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}
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}
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void __led_set (led_id_t mask, int state)
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{
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if (STATUS_LED_BLUE == mask) {
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if (STATUS_LED_ON == state)
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blue_led_on();
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else
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blue_led_off();
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} else if (STATUS_LED_RED == mask) {
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if (STATUS_LED_ON == state)
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red_led_on();
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else
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red_led_off();
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}
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}
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