2 * Copyright (c) 2009 Wind River Systems, Inc.
3 * Tom Rix <Tom.Rix@windriver.com>
5 * Eric Benard <eric@eukrea.com>
7 * SPDX-License-Identifier: GPL-2.0+
11 #include <status_led.h>
12 #include <asm/arch/at91sam9260.h>
13 #include <asm/arch/at91_pmc.h>
14 #include <asm/arch/gpio.h>
17 static unsigned int saved_state[4] = {STATUS_LED_OFF, STATUS_LED_OFF,
18 STATUS_LED_OFF, STATUS_LED_OFF};
20 void coloured_LED_init(void)
22 at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
25 writel(1 << ATMEL_ID_PIOC, &pmc->pcer);
27 at91_set_pio_output(CONFIG_RED_LED, 1);
28 at91_set_pio_output(CONFIG_GREEN_LED, 1);
29 at91_set_pio_output(CONFIG_YELLOW_LED, 1);
30 at91_set_pio_output(CONFIG_BLUE_LED, 1);
32 at91_set_pio_value(CONFIG_RED_LED, 1);
33 at91_set_pio_value(CONFIG_GREEN_LED, 1);
34 at91_set_pio_value(CONFIG_YELLOW_LED, 1);
35 at91_set_pio_value(CONFIG_BLUE_LED, 1);
38 void red_led_off(void)
40 at91_set_pio_value(CONFIG_RED_LED, 1);
41 saved_state[STATUS_LED_RED] = STATUS_LED_OFF;
44 void green_led_off(void)
46 at91_set_pio_value(CONFIG_GREEN_LED, 1);
47 saved_state[STATUS_LED_GREEN] = STATUS_LED_OFF;
50 void yellow_led_off(void)
52 at91_set_pio_value(CONFIG_YELLOW_LED, 1);
53 saved_state[STATUS_LED_YELLOW] = STATUS_LED_OFF;
56 void blue_led_off(void)
58 at91_set_pio_value(CONFIG_BLUE_LED, 1);
59 saved_state[STATUS_LED_BLUE] = STATUS_LED_OFF;
64 at91_set_pio_value(CONFIG_RED_LED, 0);
65 saved_state[STATUS_LED_RED] = STATUS_LED_ON;
68 void green_led_on(void)
70 at91_set_pio_value(CONFIG_GREEN_LED, 0);
71 saved_state[STATUS_LED_GREEN] = STATUS_LED_ON;
74 void yellow_led_on(void)
76 at91_set_pio_value(CONFIG_YELLOW_LED, 0);
77 saved_state[STATUS_LED_YELLOW] = STATUS_LED_ON;
80 void blue_led_on(void)
82 at91_set_pio_value(CONFIG_BLUE_LED, 0);
83 saved_state[STATUS_LED_BLUE] = STATUS_LED_ON;
86 void __led_init(led_id_t mask, int state)
88 __led_set(mask, state);
91 void __led_toggle(led_id_t mask)
93 if (STATUS_LED_BLUE == mask) {
94 if (STATUS_LED_ON == saved_state[STATUS_LED_BLUE])
98 } else if (STATUS_LED_RED == mask) {
99 if (STATUS_LED_ON == saved_state[STATUS_LED_RED])
103 } else if (STATUS_LED_GREEN == mask) {
104 if (STATUS_LED_ON == saved_state[STATUS_LED_GREEN])
108 } else if (STATUS_LED_YELLOW == mask) {
109 if (STATUS_LED_ON == saved_state[STATUS_LED_YELLOW])
116 void __led_set(led_id_t mask, int state)
118 if (STATUS_LED_BLUE == mask) {
119 if (STATUS_LED_ON == state)
123 } else if (STATUS_LED_RED == mask) {
124 if (STATUS_LED_ON == state)
128 } else if (STATUS_LED_GREEN == mask) {
129 if (STATUS_LED_ON == state)
133 } else if (STATUS_LED_YELLOW == mask) {
134 if (STATUS_LED_ON == state)