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| author | Wolfgang Denk <wd@denx.de> | 2006-06-14 17:52:00 +0200 | 
|---|---|---|
| committer | Wolfgang Denk <wd@pollux.denx.de> | 2006-06-14 17:52:00 +0200 | 
| commit | 007d67da94db86989c3d0ad0a9728391b7eed02b (patch) | |
| tree | b24a2708448b83ef0b372c1e3502b7908f54d283 /board/altera/common/epled.c | |
| parent | 16c8d5e76ae0f78f39a60608574adfe0feb9cc70 (diff) | |
| parent | df02bd1b3f2eecca04bfecb62eae7c2ff698506a (diff) | |
| download | olio-uboot-2014.01-007d67da94db86989c3d0ad0a9728391b7eed02b.tar.xz olio-uboot-2014.01-007d67da94db86989c3d0ad0a9728391b7eed02b.zip | |
Merge with /home/wd/git/u-boot/master
Diffstat (limited to 'board/altera/common/epled.c')
| -rw-r--r-- | board/altera/common/epled.c | 62 | 
1 files changed, 62 insertions, 0 deletions
| diff --git a/board/altera/common/epled.c b/board/altera/common/epled.c new file mode 100644 index 000000000..c75fe8c57 --- /dev/null +++ b/board/altera/common/epled.c @@ -0,0 +1,62 @@ +/* + * (C) Copyright 2004, Psyent Corporation <www.psyent.com> + * Scott McNutt <smcnutt@psyent.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 <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 *)CFG_LEDPIO_ADDR; + +	if (state == STATUS_LED_ON) +		val &= ~mask; +	else +		val |= mask; +	writel (&pio->data, val); +} + +void __led_set (led_id_t mask, int state) +{ +	nios_pio_t *pio = (nios_pio_t *)CFG_LEDPIO_ADDR; + +	if (state == STATUS_LED_ON) +		val &= ~mask; +	else +		val |= mask; +	writel (&pio->data, val); +} + +void __led_toggle (led_id_t mask) +{ +	nios_pio_t *pio = (nios_pio_t *)CFG_LEDPIO_ADDR; + +	val ^= mask; +	writel (&pio->data, val); +} |