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Commit 01824853 authored by Greg Ungerer's avatar Greg Ungerer Committed by Linus Torvalds
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[PATCH] m68knommu: add 5208 ColdFire reset/reboot support 



Add reset/reboot code to support the ColdFire 5208 family.
Patch originally from Matt Wadell (from code originally written by
Mike Lavender).

Signed-off-by: default avatarGreg Ungerer <gerg@uclinux.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 06227039

include/asm-m68knommu/system.h

+13 −0
Original line number Original line Diff line number Diff line
@@ -312,6 +312,19 @@ cmpxchg(volatile int *p, int old, int new) 
	moveb #0x80, (%a0);		\

	moveb #0x80, (%a0);		\

	");				\

	");				\

})

})

#elif defined(CONFIG_M520x)

	/*

	 * The MCF5208 has a bit (SOFTRST) in memory (Reset Control Register 

	 * RCR), that when set, resets the MCF5208.

	 */

#define HARD_RESET_NOW() 		\

({					\

	unsigned char volatile *reset;	\

	asm("move.w     #0x2700, %sr");	\

	reset = ((volatile unsigned short *)(MCF_IPSBAR + 0xA0000));	\

	while(1)			\

		*reset |= 0x80;		\

})

#else

#else

#define HARD_RESET_NOW() ({		\

#define HARD_RESET_NOW() ({		\

        asm("				\

        asm("				\