projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 23b80982 TR |
1 | /* |
| 2 | * Copyright (c) 2009 Wind River Systems, Inc. | |
| 3 | * Tom Rix <Tom.Rix@windriver.com> | |
| 4 | * (C) Copyright 2009 | |
| 5 | * Eric Benard <eric@eukrea.com> | |
| 6 | * | |
| 7 | * See file CREDITS for list of people who contributed to this | |
| 8 | * project. | |
| 9 | * | |
| 10 | * This program is free software; you can redistribute it and/or | |
| 11 | * modify it under the terms of the GNU General Public License as | |
| 12 | * published by the Free Software Foundation; either version 2 of | |
| 13 | * the License, or (at your option) any later version. | |
| 14 | * | |
| 15 | * This program is distributed in the hope that it will be useful, | |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 18 | * GNU General Public License for more details. | |
| 19 | * | |
| 20 | * You should have received a copy of the GNU General Public License | |
| 21 | * along with this program; if not, write to the Free Software | |
| 22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
| 23 | * MA 02111-1307 USA | |
| 24 | */ | |
| 25 | ||
| 26 | #include <common.h> | |
| 27 | #include <status_led.h> | |
| 28 | #include <asm/arch/at91sam9260.h> | |
| 29 | #include <asm/arch/at91_pmc.h> | |
| 30 | #include <asm/arch/gpio.h> | |
| 95d50e5c | 31 | #include <asm/io.h> |
| 23b80982 TR |
32 | |
| 33 | static unsigned int saved_state[4] = {STATUS_LED_OFF, STATUS_LED_OFF, | |
| 34 | STATUS_LED_OFF, STATUS_LED_OFF}; | |
| 35 | ||
| 36 | void coloured_LED_init(void) | |
| 37 | { | |
| 95d50e5c | 38 | at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; |
| c2b2a07e | 39 | |
| 23b80982 | 40 | /* Enable clock */ |
| 95d50e5c | 41 | writel(1 << ATMEL_ID_PIOC, &pmc->pcer); |
| 23b80982 | 42 | |
| c2b2a07e EB |
43 | at91_set_pio_output(CONFIG_RED_LED, 1); |
| 44 | at91_set_pio_output(CONFIG_GREEN_LED, 1); | |
| 45 | at91_set_pio_output(CONFIG_YELLOW_LED, 1); | |
| 46 | at91_set_pio_output(CONFIG_BLUE_LED, 1); | |
| 23b80982 | 47 | |
| c2b2a07e EB |
48 | at91_set_pio_value(CONFIG_RED_LED, 1); |
| 49 | at91_set_pio_value(CONFIG_GREEN_LED, 1); | |
| 50 | at91_set_pio_value(CONFIG_YELLOW_LED, 1); | |
| 51 | at91_set_pio_value(CONFIG_BLUE_LED, 1); | |
| 23b80982 TR |
52 | } |
| 53 | ||
| 54 | void red_LED_off(void) | |
| 55 | { | |
| c2b2a07e | 56 | at91_set_pio_value(CONFIG_RED_LED, 1); |
| 23b80982 TR |
57 | saved_state[STATUS_LED_RED] = STATUS_LED_OFF; |
| 58 | } | |
| 59 | ||
| 60 | void green_LED_off(void) | |
| 61 | { | |
| c2b2a07e | 62 | at91_set_pio_value(CONFIG_GREEN_LED, 1); |
| 23b80982 TR |
63 | saved_state[STATUS_LED_GREEN] = STATUS_LED_OFF; |
| 64 | } | |
| 65 | ||
| 66 | void yellow_LED_off(void) | |
| 67 | { | |
| c2b2a07e | 68 | at91_set_pio_value(CONFIG_YELLOW_LED, 1); |
| 23b80982 TR |
69 | saved_state[STATUS_LED_YELLOW] = STATUS_LED_OFF; |
| 70 | } | |
| 71 | ||
| 72 | void blue_LED_off(void) | |
| 73 | { | |
| c2b2a07e | 74 | at91_set_pio_value(CONFIG_BLUE_LED, 1); |
| 23b80982 TR |
75 | saved_state[STATUS_LED_BLUE] = STATUS_LED_OFF; |
| 76 | } | |
| 77 | ||
| 78 | void red_LED_on(void) | |
| 79 | { | |
| c2b2a07e | 80 | at91_set_pio_value(CONFIG_RED_LED, 0); |
| 23b80982 TR |
81 | saved_state[STATUS_LED_RED] = STATUS_LED_ON; |
| 82 | } | |
| 83 | ||
| 84 | void green_LED_on(void) | |
| 85 | { | |
| c2b2a07e | 86 | at91_set_pio_value(CONFIG_GREEN_LED, 0); |
| 23b80982 TR |
87 | saved_state[STATUS_LED_GREEN] = STATUS_LED_ON; |
| 88 | } | |
| 89 | ||
| 90 | void yellow_LED_on(void) | |
| 91 | { | |
| c2b2a07e | 92 | at91_set_pio_value(CONFIG_YELLOW_LED, 0); |
| 23b80982 TR |
93 | saved_state[STATUS_LED_YELLOW] = STATUS_LED_ON; |
| 94 | } | |
| 95 | ||
| 96 | void blue_LED_on(void) | |
| 97 | { | |
| c2b2a07e | 98 | at91_set_pio_value(CONFIG_BLUE_LED, 0); |
| 23b80982 TR |
99 | saved_state[STATUS_LED_BLUE] = STATUS_LED_ON; |
| 100 | } | |
| 101 | ||
| 102 | void __led_init(led_id_t mask, int state) | |
| 103 | { | |
| 104 | __led_set(mask, state); | |
| 105 | } | |
| 106 | ||
| 107 | void __led_toggle(led_id_t mask) | |
| 108 | { | |
| 109 | if (STATUS_LED_BLUE == mask) { | |
| 110 | if (STATUS_LED_ON == saved_state[STATUS_LED_BLUE]) | |
| 111 | blue_LED_off(); | |
| 112 | else | |
| 113 | blue_LED_on(); | |
| 114 | } else if (STATUS_LED_RED == mask) { | |
| 115 | if (STATUS_LED_ON == saved_state[STATUS_LED_RED]) | |
| 116 | red_LED_off(); | |
| 117 | else | |
| 118 | red_LED_on(); | |
| 119 | } else if (STATUS_LED_GREEN == mask) { | |
| 120 | if (STATUS_LED_ON == saved_state[STATUS_LED_GREEN]) | |
| 121 | green_LED_off(); | |
| 122 | else | |
| 123 | green_LED_on(); | |
| 124 | } else if (STATUS_LED_YELLOW == mask) { | |
| 125 | if (STATUS_LED_ON == saved_state[STATUS_LED_YELLOW]) | |
| 126 | yellow_LED_off(); | |
| 127 | else | |
| 128 | yellow_LED_on(); | |
| 129 | } | |
| 130 | } | |
| 131 | ||
| 132 | void __led_set(led_id_t mask, int state) | |
| 133 | { | |
| 134 | if (STATUS_LED_BLUE == mask) { | |
| 135 | if (STATUS_LED_ON == state) | |
| 136 | blue_LED_on(); | |
| 137 | else | |
| 138 | blue_LED_off(); | |
| 139 | } else if (STATUS_LED_RED == mask) { | |
| 140 | if (STATUS_LED_ON == state) | |
| 141 | red_LED_on(); | |
| 142 | else | |
| 143 | red_LED_off(); | |
| 144 | } else if (STATUS_LED_GREEN == mask) { | |
| 145 | if (STATUS_LED_ON == state) | |
| 146 | green_LED_on(); | |
| 147 | else | |
| 148 | green_LED_off(); | |
| 149 | } else if (STATUS_LED_YELLOW == mask) { | |
| 150 | if (STATUS_LED_ON == state) | |
| 151 | yellow_LED_on(); | |
| 152 | else | |
| 153 | yellow_LED_off(); | |
| 154 | } | |
| 155 | } |