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https://github.com/brain-hackers/u-boot-brain
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84c3b63129
This patch contains updates the sources in the board files to use the generic API. Signed-off-by: Sanjeev Premi <premi@ti.com>
130 lines
2.9 KiB
C
130 lines
2.9 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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* 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 <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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