/* * Copyright (C) 2009 Matthias Kaehlcke * * 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 #include #include #define GREEN_LED_POS 0x01 #define RED_LED_POS 0x02 inline void switch_LED_on(uint32_t bit_pos) { register struct gpio_regs *gpio = (struct gpio_regs *)GPIO_BASE; writel(readl(&gpio->pedr) | bit_pos, &gpio->pedr); } inline void switch_LED_off(uint32_t bit_pos) { register struct gpio_regs *gpio = (struct gpio_regs *)GPIO_BASE; writel(readl(&gpio->pedr) & ~bit_pos, &gpio->pedr); } void red_LED_on(void) { switch_LED_on(RED_LED_POS); } void red_LED_off(void) { switch_LED_off(RED_LED_POS); } void green_LED_on(void) { switch_LED_on(GREEN_LED_POS); } void green_LED_off(void) { switch_LED_off(GREEN_LED_POS); }