mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-16 01:38:22 +00:00
129 lines
3 KiB
C
129 lines
3 KiB
C
/*
|
|
* Copyright (c) 2009 Wind River Systems, Inc.
|
|
* Tom Rix <Tom.Rix@windriver.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
#include <common.h>
|
|
#include <status_led.h>
|
|
#include <asm/arch/cpu.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/sys_proto.h>
|
|
#include <asm/arch/gpio.h>
|
|
|
|
static unsigned int saved_state[2] = {STATUS_LED_OFF, STATUS_LED_OFF};
|
|
|
|
/*
|
|
* GPIO LEDs
|
|
* 173 red
|
|
* 154 blue
|
|
* 61 blue2
|
|
*/
|
|
#define ZOOM2_LED_RED 173
|
|
#define ZOOM2_LED_BLUE 154
|
|
#define ZOOM2_LED_BLUE2 61
|
|
|
|
void red_LED_off (void)
|
|
{
|
|
/* red */
|
|
if (!omap_request_gpio(ZOOM2_LED_RED)) {
|
|
omap_set_gpio_direction(ZOOM2_LED_RED, 0);
|
|
omap_set_gpio_dataout(ZOOM2_LED_RED, 0);
|
|
}
|
|
saved_state[STATUS_LED_RED] = STATUS_LED_OFF;
|
|
}
|
|
|
|
void blue_LED_off (void)
|
|
{
|
|
/* blue */
|
|
if (!omap_request_gpio(ZOOM2_LED_BLUE)) {
|
|
omap_set_gpio_direction(ZOOM2_LED_BLUE, 0);
|
|
omap_set_gpio_dataout(ZOOM2_LED_BLUE, 0);
|
|
}
|
|
|
|
/* blue 2 */
|
|
if (!omap_request_gpio(ZOOM2_LED_BLUE2)) {
|
|
omap_set_gpio_direction(ZOOM2_LED_BLUE2, 0);
|
|
omap_set_gpio_dataout(ZOOM2_LED_BLUE2, 0);
|
|
}
|
|
saved_state[STATUS_LED_BLUE] = STATUS_LED_OFF;
|
|
}
|
|
|
|
void red_LED_on (void)
|
|
{
|
|
blue_LED_off ();
|
|
|
|
/* red */
|
|
if (!omap_request_gpio(ZOOM2_LED_RED)) {
|
|
omap_set_gpio_direction(ZOOM2_LED_RED, 0);
|
|
omap_set_gpio_dataout(ZOOM2_LED_RED, 1);
|
|
}
|
|
saved_state[STATUS_LED_RED] = STATUS_LED_ON;
|
|
}
|
|
|
|
void blue_LED_on (void)
|
|
{
|
|
red_LED_off ();
|
|
|
|
/* blue */
|
|
if (!omap_request_gpio(ZOOM2_LED_BLUE)) {
|
|
omap_set_gpio_direction(ZOOM2_LED_BLUE, 0);
|
|
omap_set_gpio_dataout(ZOOM2_LED_BLUE, 1);
|
|
}
|
|
|
|
/* blue 2 */
|
|
if (!omap_request_gpio(ZOOM2_LED_BLUE2)) {
|
|
omap_set_gpio_direction(ZOOM2_LED_BLUE2, 0);
|
|
omap_set_gpio_dataout(ZOOM2_LED_BLUE2, 1);
|
|
}
|
|
|
|
saved_state[STATUS_LED_BLUE] = STATUS_LED_ON;
|
|
}
|
|
|
|
void __led_init (led_id_t mask, int state)
|
|
{
|
|
__led_set (mask, state);
|
|
}
|
|
|
|
void __led_toggle (led_id_t mask)
|
|
{
|
|
if (STATUS_LED_BLUE == mask) {
|
|
if (STATUS_LED_ON == saved_state[STATUS_LED_BLUE])
|
|
blue_LED_off ();
|
|
else
|
|
blue_LED_on ();
|
|
} else if (STATUS_LED_RED == mask) {
|
|
if (STATUS_LED_ON == saved_state[STATUS_LED_RED])
|
|
red_LED_off ();
|
|
else
|
|
red_LED_on ();
|
|
}
|
|
}
|
|
|
|
void __led_set (led_id_t mask, int state)
|
|
{
|
|
if (STATUS_LED_BLUE == mask) {
|
|
if (STATUS_LED_ON == state)
|
|
blue_LED_on ();
|
|
else
|
|
blue_LED_off ();
|
|
} else if (STATUS_LED_RED == mask) {
|
|
if (STATUS_LED_ON == state)
|
|
red_LED_on ();
|
|
else
|
|
red_LED_off ();
|
|
}
|
|
}
|