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