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