Eric Lee / smarc-uboot

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include/watchdog.h 1.99 KB
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012771d88   wdenk   Initial revision 
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  /*
   * (C) Copyright 2001
   * Erik Theisen,  Wave 7 Optics, etheisen@mindspring.com.
   *
3765b3e7b   Wolfgang Denk   Coding Style clea... 
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   * SPDX-License-Identifier:	GPL-2.0+
012771d88   wdenk   Initial revision 
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   */
  
  /*
   * Watchdog functions and macros.
   */
  #ifndef _WATCHDOG_H_
  #define _WATCHDOG_H_
a6741bce5   Simon Glass   Declare watchdog ... 
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  #if !defined(__ASSEMBLY__)
  /*
   * Reset the watchdog timer, always returns 0
   *
   * This function is here since it is shared between board_f() and board_r(),
   * and the legacy arch/<arch>/board.c code.
   */
  int init_func_watchdog_reset(void);
  #endif
9be2e790e   Simon Glass   Drop use of CONFI... 
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  #if defined(CONFIG_WATCHDOG) || defined(CONFIG_HW_WATCHDOG)
a6741bce5   Simon Glass   Declare watchdog ... 
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  #define INIT_FUNC_WATCHDOG_INIT	init_func_watchdog_init,
  #define INIT_FUNC_WATCHDOG_RESET	init_func_watchdog_reset,
  #else
  #define INIT_FUNC_WATCHDOG_INIT
  #define INIT_FUNC_WATCHDOG_RESET
  #endif
012771d88   wdenk   Initial revision 
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  #if defined(CONFIG_HW_WATCHDOG) && defined(CONFIG_WATCHDOG)
  #  error "Configuration error: CONFIG_HW_WATCHDOG and CONFIG_WATCHDOG can't be used together."
  #endif
  
  /*
   * Hardware watchdog
   */
  #ifdef CONFIG_HW_WATCHDOG
  	#if defined(__ASSEMBLY__)
  		#define WATCHDOG_RESET bl hw_watchdog_reset
  	#else
  		extern void hw_watchdog_reset(void);
  
  		#define WATCHDOG_RESET hw_watchdog_reset
  	#endif /* __ASSEMBLY__ */
  #else
  	/*
  	 * Maybe a software watchdog?
  	 */
  	#if defined(CONFIG_WATCHDOG)
  		#if defined(__ASSEMBLY__)
  			#define WATCHDOG_RESET bl watchdog_reset
  		#else
  			extern void watchdog_reset(void);
  
  			#define WATCHDOG_RESET watchdog_reset
  		#endif
  	#else
  		/*
  		 * No hardware or software watchdog.
  		 */
  		#if defined(__ASSEMBLY__)
  			#define WATCHDOG_RESET /*XXX DO_NOT_DEL_THIS_COMMENT*/
  		#else
  			#define WATCHDOG_RESET() {}
  		#endif /* __ASSEMBLY__ */
  	#endif /* CONFIG_WATCHDOG && !__ASSEMBLY__ */
  #endif /* CONFIG_HW_WATCHDOG */
  
  /*
   * Prototypes from $(CPU)/cpu.c.
   */
907208c45   Christophe Leroy   powerpc: Partialy... 
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  /* MPC 8xx */
  #if defined(CONFIG_8xx) && !defined(__ASSEMBLY__)
ba3da7348   Christophe Leroy   powerpc, 8xx: Use... 
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  	void reset_8xx_watchdog(immap_t __iomem *immr);
907208c45   Christophe Leroy   powerpc: Partialy... 
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  #endif
e9a389a18   Sonic Zhang   blackfin: Move bl... 
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  #if defined(CONFIG_HW_WATCHDOG) && !defined(__ASSEMBLY__)
a6720762c   Tom Rini   watchdog.h: Move ... 
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  	void hw_watchdog_init(void);
  #endif
0f8062b25   Boschung, Rainer   mpc85xx: watchdog... 
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  #if defined(CONFIG_MPC85xx) && !defined(__ASSEMBLY__)
  	void init_85xx_watchdog(void);
  #endif
012771d88   wdenk   Initial revision 
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  #endif /* _WATCHDOG_H_ */