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 /***** TQM8xxL ********************************************************/ 44 #if defined(CONFIG_TQM8xxL) 45 # define STATUS_LED_PAR im_cpm.cp_pbpar 46 # define STATUS_LED_DIR im_cpm.cp_pbdir 47 # define STATUS_LED_ODR im_cpm.cp_pbodr 48 # define STATUS_LED_DAT im_cpm.cp_pbdat 49 50 # define STATUS_LED_ACTIVE 1 /* LED on for bit == 1 */ 51 52 /***** MVS v1 **********************************************************/ 53 #elif (defined(CONFIG_MVS) && CONFIG_MVS < 2) 54 # define STATUS_LED_PAR im_ioport.iop_pdpar 55 # define STATUS_LED_DIR im_ioport.iop_pddir 56 # undef STATUS_LED_ODR 57 # define STATUS_LED_DAT im_ioport.iop_pddat 58 59 # define STATUS_LED_ACTIVE 1 /* LED on for bit == 1 */ 60 61 /***** Someone else defines these *************************************/ 62 #elif defined(STATUS_LED_PAR) 63 /* 64 * ADVICE: Define in your board configuration file rather than 65 * filling this file up with lots of custom board stuff. 66 */ 67 68 #elif defined(CONFIG_V38B) 69 70 # define STATUS_LED_ACTIVE 0 /* LED on for bit == 0 */ 71 72 #elif defined(CONFIG_LED_STATUS_BOARD_SPECIFIC) 73 /* led_id_t is unsigned long mask */ 74 typedef unsigned long led_id_t; 75 76 extern void __led_toggle (led_id_t mask); 77 extern void __led_init (led_id_t mask, int state); 78 extern void __led_set (led_id_t mask, int state); 79 void __led_blink(led_id_t mask, int freq); 80 #else 81 # error Status LED configuration missing 82 #endif 83 /************************************************************************/ 84 85 #ifndef CONFIG_LED_STATUS_BOARD_SPECIFIC 86 # include <asm/status_led.h> 87 #endif 88 89 #endif /* CONFIG_LED_STATUS */ 90 91 /* 92 * Coloured LEDs API 93 */ 94 #ifndef __ASSEMBLY__ 95 void coloured_LED_init(void); 96 void red_led_on(void); 97 void red_led_off(void); 98 void green_led_on(void); 99 void green_led_off(void); 100 void yellow_led_on(void); 101 void yellow_led_off(void); 102 void blue_led_on(void); 103 void blue_led_off(void); 104 #else 105 .extern LED_init 106 .extern red_led_on 107 .extern red_led_off 108 .extern yellow_led_on 109 .extern yellow_led_off 110 .extern green_led_on 111 .extern green_led_off 112 .extern blue_led_on 113 .extern blue_led_off 114 #endif 115 116 #endif /* _STATUS_LED_H_ */ 117