1 /* 2 * (C) Copyright 2007-2008 3 * Stelian Pop <stelian.pop@leadtechdesign.com> 4 * Lead Tech Design <www.leadtechdesign.com> 5 * 6 * See file CREDITS for list of people who contributed to this 7 * project. 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License as 11 * published by the Free Software Foundation; either version 2 of 12 * the License, or (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 22 * MA 02111-1307 USA 23 */ 24 25 #include <common.h> 26 #include <asm/arch/at91sam9rl.h> 27 #include <asm/arch/at91_pmc.h> 28 #include <asm/arch/gpio.h> 29 #include <asm/arch/io.h> 30 31 #define RED_LED AT91_PIN_PD14 /* this is the power led */ 32 #define GREEN_LED AT91_PIN_PD15 /* this is the user1 led */ 33 #define YELLOW_LED AT91_PIN_PD16 /* this is the user2 led */ 34 35 void red_LED_on(void) 36 { 37 at91_set_gpio_value(RED_LED, 1); 38 } 39 40 void red_LED_off(void) 41 { 42 at91_set_gpio_value(RED_LED, 0); 43 } 44 45 void green_LED_on(void) 46 { 47 at91_set_gpio_value(GREEN_LED, 0); 48 } 49 50 void green_LED_off(void) 51 { 52 at91_set_gpio_value(GREEN_LED, 1); 53 } 54 55 void yellow_LED_on(void) 56 { 57 at91_set_gpio_value(YELLOW_LED, 0); 58 } 59 60 void yellow_LED_off(void) 61 { 62 at91_set_gpio_value(YELLOW_LED, 1); 63 } 64 65 void coloured_LED_init(void) 66 { 67 /* Enable clock */ 68 at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_PIOD); 69 70 at91_set_gpio_output(RED_LED, 1); 71 at91_set_gpio_output(GREEN_LED, 1); 72 at91_set_gpio_output(YELLOW_LED, 1); 73 74 at91_set_gpio_value(RED_LED, 0); 75 at91_set_gpio_value(GREEN_LED, 1); 76 at91_set_gpio_value(YELLOW_LED, 1); 77 } 78