mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-21 17:38:51 +09:00
![Jason Kridner](/assets/img/avatar_default.png)
Result of running the following command to address Wolfgang's comment about camel case: for file in `find . | grep '\.[chS]$'`; do perl -i -pe 's/(green|yellow|red|blue)_LED_(on|off)/$1_led_$2/g' $file; done Discussion: http://patchwork.ozlabs.org/patch/84988/ Signed-off-by: Jason Kridner <jkridner@beagleboard.org> Signed-off-by: Joel A Fernandes <agnel.joel@gmail.com> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
90 lines
2.3 KiB
C
90 lines
2.3 KiB
C
/*
|
|
* (C) Copyright 2006
|
|
* Atmel Nordic AB <www.atmel.com>
|
|
* Ulf Samuelsson <ulf@atmel.com>
|
|
*
|
|
* (C) Copyright 2010
|
|
* Andreas Bießmann <andreas.devel@gmail.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 <asm/arch/hardware.h>
|
|
#include <asm/arch/at91_pmc.h>
|
|
#include <asm/arch/at91_pio.h>
|
|
|
|
/* bit mask in PIO port B */
|
|
#define GREEN_LED (1<<0)
|
|
#define YELLOW_LED (1<<1)
|
|
#define RED_LED (1<<2)
|
|
|
|
void green_led_on(void)
|
|
{
|
|
at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
|
|
writel(GREEN_LED, &pio->piob.codr);
|
|
}
|
|
|
|
void yellow_led_on(void)
|
|
{
|
|
at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
|
|
writel(YELLOW_LED, &pio->piob.codr);
|
|
}
|
|
|
|
void red_led_on(void)
|
|
{
|
|
at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
|
|
writel(RED_LED, &pio->piob.codr);
|
|
}
|
|
|
|
void green_led_off(void)
|
|
{
|
|
at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
|
|
writel(GREEN_LED, &pio->piob.sodr);
|
|
}
|
|
|
|
void yellow_led_off(void)
|
|
{
|
|
at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
|
|
writel(YELLOW_LED, &pio->piob.sodr);
|
|
}
|
|
|
|
void red_led_off(void)
|
|
{
|
|
at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
|
|
writel(RED_LED, &pio->piob.sodr);
|
|
}
|
|
|
|
void coloured_LED_init (void)
|
|
{
|
|
at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC;
|
|
at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
|
|
|
|
/* Enable PIOB clock */
|
|
writel(1 << ATMEL_ID_PIOB, &pmc->pcer);
|
|
|
|
/* Disable peripherals on LEDs */
|
|
writel(GREEN_LED | YELLOW_LED | RED_LED, &pio->piob.per);
|
|
/* Enable pins as outputs */
|
|
writel(GREEN_LED | YELLOW_LED | RED_LED, &pio->piob.oer);
|
|
/* Turn all LEDs OFF */
|
|
writel(GREEN_LED | YELLOW_LED | RED_LED, &pio->piob.sodr);
|
|
}
|