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_STATUS_LED 21 22 #define STATUS_LED_OFF 0 23 #define STATUS_LED_BLINKING 1 24 #define STATUS_LED_ON 2 25 26 void status_led_tick (unsigned long timestamp); 27 void status_led_set (int led, int state); 28 29 /***** TQM8xxL ********************************************************/ 30 #if defined(CONFIG_TQM8xxL) 31 # define STATUS_LED_PAR im_cpm.cp_pbpar 32 # define STATUS_LED_DIR im_cpm.cp_pbdir 33 # define STATUS_LED_ODR im_cpm.cp_pbodr 34 # define STATUS_LED_DAT im_cpm.cp_pbdat 35 36 # define STATUS_LED_BIT 0x00000001 37 # define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2) 38 # define STATUS_LED_STATE STATUS_LED_BLINKING 39 40 # define STATUS_LED_ACTIVE 1 /* LED on for bit == 1 */ 41 42 # define STATUS_LED_BOOT 0 /* LED 0 used for boot status */ 43 44 /***** MVS v1 **********************************************************/ 45 #elif (defined(CONFIG_MVS) && CONFIG_MVS < 2) 46 # define STATUS_LED_PAR im_ioport.iop_pdpar 47 # define STATUS_LED_DIR im_ioport.iop_pddir 48 # undef STATUS_LED_ODR 49 # define STATUS_LED_DAT im_ioport.iop_pddat 50 51 # define STATUS_LED_BIT 0x00000001 52 # define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2) 53 # define STATUS_LED_STATE STATUS_LED_BLINKING 54 55 # define STATUS_LED_ACTIVE 1 /* LED on for bit == 1 */ 56 57 # define STATUS_LED_BOOT 0 /* LED 0 used for boot status */ 58 59 /***** Someone else defines these *************************************/ 60 #elif defined(STATUS_LED_PAR) 61 62 /* 63 * ADVICE: Define in your board configuration file rather than 64 * filling this file up with lots of custom board stuff. 65 */ 66 67 #elif defined(CONFIG_V38B) 68 69 # define STATUS_LED_BIT 0x0010 /* Timer7 GPIO */ 70 # define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2) 71 # define STATUS_LED_STATE STATUS_LED_BLINKING 72 73 # define STATUS_LED_ACTIVE 0 /* LED on for bit == 0 */ 74 # define STATUS_LED_BOOT 0 /* LED 0 used for boot status */ 75 76 #elif defined(CONFIG_MOTIONPRO) 77 78 #define STATUS_LED_BIT ((vu_long *) MPC5XXX_GPT6_ENABLE) 79 #define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 10) 80 #define STATUS_LED_STATE STATUS_LED_BLINKING 81 82 #define STATUS_LED_BIT1 ((vu_long *) MPC5XXX_GPT7_ENABLE) 83 #define STATUS_LED_PERIOD1 (CONFIG_SYS_HZ / 10) 84 #define STATUS_LED_STATE1 STATUS_LED_OFF 85 86 #define STATUS_LED_BOOT 0 /* LED 0 used for boot status */ 87 88 #elif defined(CONFIG_BOARD_SPECIFIC_LED) 89 /* led_id_t is unsigned long mask */ 90 typedef unsigned long led_id_t; 91 92 extern void __led_toggle (led_id_t mask); 93 extern void __led_init (led_id_t mask, int state); 94 extern void __led_set (led_id_t mask, int state); 95 void __led_blink(led_id_t mask, int freq); 96 #else 97 # error Status LED configuration missing 98 #endif 99 /************************************************************************/ 100 101 #ifndef CONFIG_BOARD_SPECIFIC_LED 102 # include <asm/status_led.h> 103 #endif 104 105 #endif /* CONFIG_STATUS_LED */ 106 107 /* 108 * Coloured LEDs API 109 */ 110 #ifndef __ASSEMBLY__ 111 void coloured_LED_init(void); 112 void red_led_on(void); 113 void red_led_off(void); 114 void green_led_on(void); 115 void green_led_off(void); 116 void yellow_led_on(void); 117 void yellow_led_off(void); 118 void blue_led_on(void); 119 void blue_led_off(void); 120 #else 121 .extern LED_init 122 .extern red_led_on 123 .extern red_led_off 124 .extern yellow_led_on 125 .extern yellow_led_off 126 .extern green_led_on 127 .extern green_led_off 128 .extern blue_led_on 129 .extern blue_led_off 130 #endif 131 132 #endif /* _STATUS_LED_H_ */ 133