mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-05 11:00:15 +00:00
3765b3e7bd
Signed-off-by: Wolfgang Denk <wd@denx.de>
46 lines
881 B
C
46 lines
881 B
C
/*
|
|
* (C) Copyright 2004, Psyent Corporation <www.psyent.com>
|
|
* Scott McNutt <smcnutt@psyent.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/io.h>
|
|
#include <nios2-io.h>
|
|
#include <status_led.h>
|
|
|
|
/* The LED port is configured as output only, so we
|
|
* must track the state manually.
|
|
*/
|
|
static led_id_t val = 0;
|
|
|
|
void __led_init (led_id_t mask, int state)
|
|
{
|
|
nios_pio_t *pio = (nios_pio_t *)CONFIG_SYS_LEDPIO_ADDR;
|
|
|
|
if (state == STATUS_LED_ON)
|
|
val &= ~mask;
|
|
else
|
|
val |= mask;
|
|
writel (val, &pio->data);
|
|
}
|
|
|
|
void __led_set (led_id_t mask, int state)
|
|
{
|
|
nios_pio_t *pio = (nios_pio_t *)CONFIG_SYS_LEDPIO_ADDR;
|
|
|
|
if (state == STATUS_LED_ON)
|
|
val &= ~mask;
|
|
else
|
|
val |= mask;
|
|
writel (val, &pio->data);
|
|
}
|
|
|
|
void __led_toggle (led_id_t mask)
|
|
{
|
|
nios_pio_t *pio = (nios_pio_t *)CONFIG_SYS_LEDPIO_ADDR;
|
|
|
|
val ^= mask;
|
|
writel (val, &pio->data);
|
|
}
|