1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2000-2004 4 * Wolfgang Denk, DENX Software Engineering, wd (at) 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 38 void status_led_init(void); 39 void status_led_tick (unsigned long timestamp); 40 void 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 */ 60 typedef unsigned long led_id_t; 61 62 extern void __led_toggle (led_id_t mask); 63 extern void __led_init (led_id_t mask, int state); 64 extern void __led_set (led_id_t mask, int state); 65 void __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__ 81 void coloured_LED_init(void); 82 void red_led_on(void); 83 void red_led_off(void); 84 void green_led_on(void); 85 void green_led_off(void); 86 void yellow_led_on(void); 87 void yellow_led_off(void); 88 void blue_led_on(void); 89 void 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
