upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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138 lines
3.2 KiB
138 lines
3.2 KiB
/*
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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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* (C) Copyright 2009
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* Eric Benard <eric@eukrea.com>
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*
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* (C) Copyright 2012
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* Markus Hubig <mhubig@imko.de>
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* IMKO GmbH <www.imko.de>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/at91_pmc.h>
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#include <status_led.h>
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static unsigned int saved_state[3] = {STATUS_LED_OFF,
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STATUS_LED_OFF, STATUS_LED_OFF};
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void coloured_LED_init(void)
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{
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struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
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/* Enable the clock */
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writel(ATMEL_ID_PIOC, &pmc->pcer);
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at91_set_gpio_output(CONFIG_RED_LED, 1);
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at91_set_gpio_output(CONFIG_GREEN_LED, 1);
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at91_set_gpio_output(CONFIG_YELLOW_LED, 1);
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at91_set_gpio_value(CONFIG_RED_LED, 0);
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at91_set_gpio_value(CONFIG_GREEN_LED, 1);
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at91_set_gpio_value(CONFIG_YELLOW_LED, 0);
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}
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void red_led_on(void)
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{
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at91_set_gpio_value(CONFIG_RED_LED, 1);
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saved_state[STATUS_LED_RED] = STATUS_LED_ON;
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}
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void red_led_off(void)
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{
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at91_set_gpio_value(CONFIG_RED_LED, 0);
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saved_state[STATUS_LED_RED] = STATUS_LED_OFF;
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}
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void green_led_on(void)
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{
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at91_set_gpio_value(CONFIG_GREEN_LED, 1);
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saved_state[STATUS_LED_GREEN] = STATUS_LED_ON;
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}
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void green_led_off(void)
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{
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at91_set_gpio_value(CONFIG_GREEN_LED, 0);
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saved_state[STATUS_LED_GREEN] = STATUS_LED_OFF;
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}
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void yellow_led_on(void)
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{
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at91_set_gpio_value(CONFIG_YELLOW_LED, 1);
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saved_state[STATUS_LED_YELLOW] = STATUS_LED_ON;
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}
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void yellow_led_off(void)
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{
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at91_set_gpio_value(CONFIG_YELLOW_LED, 0);
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saved_state[STATUS_LED_YELLOW] = STATUS_LED_OFF;
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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_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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} else if (STATUS_LED_GREEN == mask) {
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if (STATUS_LED_ON == saved_state[STATUS_LED_GREEN])
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green_led_off();
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else
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green_led_on();
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} else if (STATUS_LED_YELLOW == mask) {
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if (STATUS_LED_ON == saved_state[STATUS_LED_YELLOW])
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yellow_led_off();
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else
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yellow_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_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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} else if (STATUS_LED_GREEN == mask) {
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if (STATUS_LED_ON == state)
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green_led_on();
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else
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green_led_off();
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} else if (STATUS_LED_YELLOW == mask) {
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if (STATUS_LED_ON == state)
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yellow_led_on();
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else
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yellow_led_off();
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}
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}
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