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			98 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			98 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * (C) Copyright 2001
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 * Erik Theisen,  Wave 7 Optics, etheisen@mindspring.com.
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 *
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 * See file CREDITS for list of people who contributed to this
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 * project.
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License as
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 * published by the Free Software Foundation; either version 2 of
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 * the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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 * MA 02111-1307 USA
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 */
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/*
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 * Watchdog functions and macros.
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 */
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#ifndef _WATCHDOG_H_
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#define _WATCHDOG_H_
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#if defined(CONFIG_HW_WATCHDOG) && defined(CONFIG_WATCHDOG)
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#  error "Configuration error: CONFIG_HW_WATCHDOG and CONFIG_WATCHDOG can't be used together."
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#endif
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#if defined(__ASSEMBLY__) && defined(__NIOS__)
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#  error "Configuration error: WATCHDOG_RESET inside assembler not supported for Nios platforms."
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#endif
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/*
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 * Hardware watchdog
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 */
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#ifdef CONFIG_HW_WATCHDOG
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	#if defined(__ASSEMBLY__)
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		#define WATCHDOG_RESET bl hw_watchdog_reset
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	#else
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		extern void hw_watchdog_reset(void);
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		#define WATCHDOG_RESET hw_watchdog_reset
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	#endif /* __ASSEMBLY__ */
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#else
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	/*
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	 * Maybe a software watchdog?
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	 */
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	#if defined(CONFIG_WATCHDOG)
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		#if defined(__ASSEMBLY__)
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			#define WATCHDOG_RESET bl watchdog_reset
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		#else
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			extern void watchdog_reset(void);
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			#define WATCHDOG_RESET watchdog_reset
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		#endif
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	#else
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		/*
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		 * No hardware or software watchdog.
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		 */
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		#if defined(__ASSEMBLY__)
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			#define WATCHDOG_RESET /*XXX DO_NOT_DEL_THIS_COMMENT*/
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		#else
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			#define WATCHDOG_RESET() {}
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		#endif /* __ASSEMBLY__ */
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	#endif /* CONFIG_WATCHDOG && !__ASSEMBLY__ */
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#endif /* CONFIG_HW_WATCHDOG */
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/*
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 * Prototypes from $(CPU)/cpu.c.
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 */
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/* MPC 8xx */
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#if (defined(CONFIG_8xx) || defined(CONFIG_MPC860)) && !defined(__ASSEMBLY__)
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	void reset_8xx_watchdog(volatile immap_t *immr);
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#endif
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/* MPC 5xx */
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#if defined(CONFIG_5xx) && !defined(__ASSEMBLY__)
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	void reset_5xx_watchdog(volatile immap_t *immr);
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#endif
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/* MPC 5xxx */
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#if defined(CONFIG_MPC5xxx) && !defined(__ASSEMBLY__)
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	void reset_5xxx_watchdog(void);
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#endif
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/* AMCC 4xx */
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#if defined(CONFIG_4xx) && !defined(__ASSEMBLY__)
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	void reset_4xx_watchdog(void);
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#endif
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#endif /* _WATCHDOG_H_ */
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