59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
/*
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* Copyright (C) 2009 Matthias Kaehlcke <matthias@kaehlcke.net>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <common.h>
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#include <io.h>
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#include <mach/ep93xx-regs.h>
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#define GREEN_LED_POS 0x01
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#define RED_LED_POS 0x02
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inline void switch_LED_on(uint32_t bit_pos)
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{
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register struct gpio_regs *gpio = (struct gpio_regs *)GPIO_BASE;
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writel(readl(&gpio->pedr) | bit_pos, &gpio->pedr);
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}
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inline void switch_LED_off(uint32_t bit_pos)
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{
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register struct gpio_regs *gpio = (struct gpio_regs *)GPIO_BASE;
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writel(readl(&gpio->pedr) & ~bit_pos, &gpio->pedr);
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}
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void red_LED_on(void)
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{
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switch_LED_on(RED_LED_POS);
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}
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void red_LED_off(void)
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{
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switch_LED_off(RED_LED_POS);
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}
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void green_LED_on(void)
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{
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switch_LED_on(GREEN_LED_POS);
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}
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void green_LED_off(void)
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{
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switch_LED_off(GREEN_LED_POS);
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}
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