46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/*
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* linux/arch/m68k/coldfire/cache.c
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*
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* Copyright 2007-2009 Freescale Semiconductor, Inc. All Rights Reserved.
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* Matt Waddel Matt.Waddel@freescale.com
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* Kurt Mahan kmahan@freescale.com
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* Jason Jin Jason.Jin@freescale.com
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* Shrek Wu B16972@freescale.com
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <linux/interrupt.h>
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#include <asm/cfcache.h>
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#include <asm/coldfire.h>
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#include <asm/system.h>
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/* Cache Control Reg shadow reg */
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unsigned long shadow_cacr;
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/**
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* cacr_set - Set the Cache Control Register
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* @x Value to set
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*/
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void cacr_set(unsigned long x)
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{
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shadow_cacr = x;
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__asm__ __volatile__ ("movec %0, %%cacr"
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: /* no outputs */
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: "r" (shadow_cacr));
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}
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/**
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* cacr_get - Get the current value of the Cache Control Register
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*
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* @return CACR value
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*/
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unsigned long cacr_get(void)
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{
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return shadow_cacr;
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}
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