xref: /openbmc/u-boot/include/status_led.h (revision e8f80a5a)
1*83d290c5STom Rini /* SPDX-License-Identifier: GPL-2.0+ */
2c609719bSwdenk /*
304a85b3bSwdenk  * (C) Copyright 2000-2004
4c609719bSwdenk  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5c609719bSwdenk  */
6c609719bSwdenk 
7c609719bSwdenk /*
8c609719bSwdenk  * The purpose of this code is to signal the operational status of a
9c609719bSwdenk  * target which usually boots over the network; while running in
10c609719bSwdenk  * PCBoot, a status LED is blinking. As soon as a valid BOOTP reply
11c609719bSwdenk  * message has been received, the LED is turned off. The Linux
12c609719bSwdenk  * kernel, once it is running, will start blinking the LED again,
13c609719bSwdenk  * with another frequency.
14c609719bSwdenk  */
15c609719bSwdenk 
16c609719bSwdenk #ifndef _STATUS_LED_H_
17c609719bSwdenk #define	_STATUS_LED_H_
18c609719bSwdenk 
192d8d190cSUri Mashiach #ifdef CONFIG_LED_STATUS
20c609719bSwdenk 
212d8d190cSUri Mashiach #define LED_STATUS_PERIOD	(CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ)
222d8d190cSUri Mashiach #ifdef CONFIG_LED_STATUS1
232d8d190cSUri Mashiach #define LED_STATUS_PERIOD1	(CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ1)
242d8d190cSUri Mashiach #endif /* CONFIG_LED_STATUS1 */
252d8d190cSUri Mashiach #ifdef CONFIG_LED_STATUS2
262d8d190cSUri Mashiach #define LED_STATUS_PERIOD2	(CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ2)
272d8d190cSUri Mashiach #endif /* CONFIG_LED_STATUS2 */
282d8d190cSUri Mashiach #ifdef CONFIG_LED_STATUS3
292d8d190cSUri Mashiach #define LED_STATUS_PERIOD3	(CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ3)
302d8d190cSUri Mashiach #endif /* CONFIG_LED_STATUS3 */
312d8d190cSUri Mashiach #ifdef CONFIG_LED_STATUS4
322d8d190cSUri Mashiach #define LED_STATUS_PERIOD4	(CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ4)
332d8d190cSUri Mashiach #endif /* CONFIG_LED_STATUS4 */
342d8d190cSUri Mashiach #ifdef CONFIG_LED_STATUS5
352d8d190cSUri Mashiach #define LED_STATUS_PERIOD5	(CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ5)
362d8d190cSUri Mashiach #endif /* CONFIG_LED_STATUS5 */
37c609719bSwdenk 
3813cfbe51SBernhard Nortmann void status_led_init(void);
39c609719bSwdenk void status_led_tick (unsigned long timestamp);
40c609719bSwdenk void status_led_set  (int led, int state);
41c609719bSwdenk 
42c609719bSwdenk /*****  MVS v1  **********************************************************/
435b8e76c3SHeiko Schocher #if (defined(CONFIG_MVS) && CONFIG_MVS < 2)
44c609719bSwdenk # define STATUS_LED_PAR		im_ioport.iop_pdpar
45c609719bSwdenk # define STATUS_LED_DIR		im_ioport.iop_pddir
46c609719bSwdenk # undef  STATUS_LED_ODR
47c609719bSwdenk # define STATUS_LED_DAT		im_ioport.iop_pddat
48c609719bSwdenk 
49c609719bSwdenk # define STATUS_LED_ACTIVE	1		/* LED on for bit == 1	*/
50c609719bSwdenk 
51c609719bSwdenk /*****  Someone else defines these  *************************************/
52c609719bSwdenk #elif defined(STATUS_LED_PAR)
53c609719bSwdenk   /*
54c609719bSwdenk    * ADVICE: Define in your board configuration file rather than
55c609719bSwdenk    * filling this file up with lots of custom board stuff.
56c609719bSwdenk    */
57c609719bSwdenk 
582d8d190cSUri Mashiach #elif defined(CONFIG_LED_STATUS_BOARD_SPECIFIC)
59566a494fSHeiko Schocher /* led_id_t is unsigned long mask */
60566a494fSHeiko Schocher typedef unsigned long led_id_t;
61566a494fSHeiko Schocher 
62566a494fSHeiko Schocher extern void __led_toggle (led_id_t mask);
63566a494fSHeiko Schocher extern void __led_init (led_id_t mask, int state);
64566a494fSHeiko Schocher extern void __led_set (led_id_t mask, int state);
65a8eeaf2fSStefan Roese void __led_blink(led_id_t mask, int freq);
66c609719bSwdenk #else
67c609719bSwdenk # error Status LED configuration missing
68c609719bSwdenk #endif
69c609719bSwdenk /************************************************************************/
70c609719bSwdenk 
712d8d190cSUri Mashiach #ifndef CONFIG_LED_STATUS_BOARD_SPECIFIC
7248b42616Swdenk # include <asm/status_led.h>
7348b42616Swdenk #endif
7448b42616Swdenk 
752d8d190cSUri Mashiach #endif	/* CONFIG_LED_STATUS	*/
76c5d4001aSJeroen Hofstee 
77bd86220fSPeter Pearse /*
78bd86220fSPeter Pearse  * Coloured LEDs API
79bd86220fSPeter Pearse  */
80bd86220fSPeter Pearse #ifndef	__ASSEMBLY__
81c5d4001aSJeroen Hofstee void coloured_LED_init(void);
82c5d4001aSJeroen Hofstee void red_led_on(void);
83c5d4001aSJeroen Hofstee void red_led_off(void);
84c5d4001aSJeroen Hofstee void green_led_on(void);
85c5d4001aSJeroen Hofstee void green_led_off(void);
86c5d4001aSJeroen Hofstee void yellow_led_on(void);
87c5d4001aSJeroen Hofstee void yellow_led_off(void);
88c5d4001aSJeroen Hofstee void blue_led_on(void);
89c5d4001aSJeroen Hofstee void blue_led_off(void);
90bd86220fSPeter Pearse #else
91bd86220fSPeter Pearse 	.extern LED_init
922d3be7c4SJason Kridner 	.extern red_led_on
932d3be7c4SJason Kridner 	.extern red_led_off
942d3be7c4SJason Kridner 	.extern yellow_led_on
952d3be7c4SJason Kridner 	.extern yellow_led_off
962d3be7c4SJason Kridner 	.extern green_led_on
972d3be7c4SJason Kridner 	.extern green_led_off
982d3be7c4SJason Kridner 	.extern blue_led_on
992d3be7c4SJason Kridner 	.extern blue_led_off
100bd86220fSPeter Pearse #endif
101bd86220fSPeter Pearse 
102c609719bSwdenk #endif	/* _STATUS_LED_H_	*/
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