diff options
Diffstat (limited to 'include/status_led.h')
| -rw-r--r-- | include/status_led.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/include/status_led.h b/include/status_led.h new file mode 100644 index 0000000..5b35701 --- /dev/null +++ b/include/status_led.h @@ -0,0 +1,102 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * (C) Copyright 2000-2004 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + */ + +/* + * The purpose of this code is to signal the operational status of a + * target which usually boots over the network; while running in + * PCBoot, a status LED is blinking. As soon as a valid BOOTP reply + * message has been received, the LED is turned off. The Linux + * kernel, once it is running, will start blinking the LED again, + * with another frequency. + */ + +#ifndef _STATUS_LED_H_ +#define _STATUS_LED_H_ + +#ifdef CONFIG_LED_STATUS + +#define LED_STATUS_PERIOD (CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ) +#ifdef CONFIG_LED_STATUS1 +#define LED_STATUS_PERIOD1 (CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ1) +#endif /* CONFIG_LED_STATUS1 */ +#ifdef CONFIG_LED_STATUS2 +#define LED_STATUS_PERIOD2 (CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ2) +#endif /* CONFIG_LED_STATUS2 */ +#ifdef CONFIG_LED_STATUS3 +#define LED_STATUS_PERIOD3 (CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ3) +#endif /* CONFIG_LED_STATUS3 */ +#ifdef CONFIG_LED_STATUS4 +#define LED_STATUS_PERIOD4 (CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ4) +#endif /* CONFIG_LED_STATUS4 */ +#ifdef CONFIG_LED_STATUS5 +#define LED_STATUS_PERIOD5 (CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ5) +#endif /* CONFIG_LED_STATUS5 */ + +void status_led_init(void); +void status_led_tick (unsigned long timestamp); +void status_led_set (int led, int state); + +/***** MVS v1 **********************************************************/ +#if (defined(CONFIG_MVS) && CONFIG_MVS < 2) +# define STATUS_LED_PAR im_ioport.iop_pdpar +# define STATUS_LED_DIR im_ioport.iop_pddir +# undef STATUS_LED_ODR +# define STATUS_LED_DAT im_ioport.iop_pddat + +# define STATUS_LED_ACTIVE 1 /* LED on for bit == 1 */ + +/***** Someone else defines these *************************************/ +#elif defined(STATUS_LED_PAR) + /* + * ADVICE: Define in your board configuration file rather than + * filling this file up with lots of custom board stuff. + */ + +#elif defined(CONFIG_LED_STATUS_BOARD_SPECIFIC) +/* led_id_t is unsigned long mask */ +typedef unsigned long led_id_t; + +extern void __led_toggle (led_id_t mask); +extern void __led_init (led_id_t mask, int state); +extern void __led_set (led_id_t mask, int state); +void __led_blink(led_id_t mask, int freq); +#else +# error Status LED configuration missing +#endif +/************************************************************************/ + +#ifndef CONFIG_LED_STATUS_BOARD_SPECIFIC +# include <asm/status_led.h> +#endif + +#endif /* CONFIG_LED_STATUS */ + +/* + * Coloured LEDs API + */ +#ifndef __ASSEMBLY__ +void coloured_LED_init(void); +void red_led_on(void); +void red_led_off(void); +void green_led_on(void); +void green_led_off(void); +void yellow_led_on(void); +void yellow_led_off(void); +void blue_led_on(void); +void blue_led_off(void); +#else + .extern LED_init + .extern red_led_on + .extern red_led_off + .extern yellow_led_on + .extern yellow_led_off + .extern green_led_on + .extern green_led_off + .extern blue_led_on + .extern blue_led_off +#endif + +#endif /* _STATUS_LED_H_ */ |