1 /* 2 * (C) Copyright 2000-2004 3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 /* 9 * The purpose of this code is to signal the operational status of a 10 * target which usually boots over the network; while running in 11 * PCBoot, a status LED is blinking. As soon as a valid BOOTP reply 12 * message has been received, the LED is turned off. The Linux 13 * kernel, once it is running, will start blinking the LED again, 14 * with another frequency. 15 */ 16 17 #ifndef _STATUS_LED_H_ 18 #define _STATUS_LED_H_ 19 20 #ifdef CONFIG_LED_STATUS 21 22 #define LED_STATUS_PERIOD (CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ) 23 #ifdef CONFIG_LED_STATUS1 24 #define LED_STATUS_PERIOD1 (CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ1) 25 #endif /* CONFIG_LED_STATUS1 */ 26 #ifdef CONFIG_LED_STATUS2 27 #define LED_STATUS_PERIOD2 (CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ2) 28 #endif /* CONFIG_LED_STATUS2 */ 29 #ifdef CONFIG_LED_STATUS3 30 #define LED_STATUS_PERIOD3 (CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ3) 31 #endif /* CONFIG_LED_STATUS3 */ 32 #ifdef CONFIG_LED_STATUS4 33 #define LED_STATUS_PERIOD4 (CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ4) 34 #endif /* CONFIG_LED_STATUS4 */ 35 #ifdef CONFIG_LED_STATUS5 36 #define LED_STATUS_PERIOD5 (CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ5) 37 #endif /* CONFIG_LED_STATUS5 */ 38 39 void status_led_init(void); 40 void status_led_tick (unsigned long timestamp); 41 void status_led_set (int led, int state); 42 43 /***** MVS v1 **********************************************************/ 44 #if (defined(CONFIG_MVS) && CONFIG_MVS < 2) 45 # define STATUS_LED_PAR im_ioport.iop_pdpar 46 # define STATUS_LED_DIR im_ioport.iop_pddir 47 # undef STATUS_LED_ODR 48 # define STATUS_LED_DAT im_ioport.iop_pddat 49 50 # define STATUS_LED_ACTIVE 1 /* LED on for bit == 1 */ 51 52 /***** Someone else defines these *************************************/ 53 #elif defined(STATUS_LED_PAR) 54 /* 55 * ADVICE: Define in your board configuration file rather than 56 * filling this file up with lots of custom board stuff. 57 */ 58 59 #elif defined(CONFIG_V38B) 60 61 # define STATUS_LED_ACTIVE 0 /* LED on for bit == 0 */ 62 63 #elif defined(CONFIG_LED_STATUS_BOARD_SPECIFIC) 64 /* led_id_t is unsigned long mask */ 65 typedef unsigned long led_id_t; 66 67 extern void __led_toggle (led_id_t mask); 68 extern void __led_init (led_id_t mask, int state); 69 extern void __led_set (led_id_t mask, int state); 70 void __led_blink(led_id_t mask, int freq); 71 #else 72 # error Status LED configuration missing 73 #endif 74 /************************************************************************/ 75 76 #ifndef CONFIG_LED_STATUS_BOARD_SPECIFIC 77 # include <asm/status_led.h> 78 #endif 79 80 #endif /* CONFIG_LED_STATUS */ 81 82 /* 83 * Coloured LEDs API 84 */ 85 #ifndef __ASSEMBLY__ 86 void coloured_LED_init(void); 87 void red_led_on(void); 88 void red_led_off(void); 89 void green_led_on(void); 90 void green_led_off(void); 91 void yellow_led_on(void); 92 void yellow_led_off(void); 93 void blue_led_on(void); 94 void blue_led_off(void); 95 #else 96 .extern LED_init 97 .extern red_led_on 98 .extern red_led_off 99 .extern yellow_led_on 100 .extern yellow_led_off 101 .extern green_led_on 102 .extern green_led_off 103 .extern blue_led_on 104 .extern blue_led_off 105 #endif 106 107 #endif /* _STATUS_LED_H_ */ 108