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  • /*
     * (C) Copyright 2009
     * Marvell Semiconductor <www.marvell.com>
     * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
     *
     * See file CREDITS for list of people who contributed to this
     * project.
     *
     * This program is free software; you can redistribute it and/or
     * modify it under the terms of the GNU General Public License as
     * published by the Free Software Foundation; either version 2 of
     * the License, or (at your option) any later version.
     *
     * This program is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
     * GNU General Public License for more details.
     *
     * You should have received a copy of the GNU General Public License
     * along with this program; if not, write to the Free Software
     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
     * MA 02110-1301 USA
     */
    
    #ifndef _ASM_CACHE_H
    #define _ASM_CACHE_H
    
    #include <asm/system.h>
    
    /*
     * Invalidate L2 Cache using co-proc instruction
     */
    static inline void invalidate_l2_cache(void)
    {
    	unsigned int val=0;
    
    	asm volatile("mcr p15, 1, %0, c15, c11, 0 @ invl l2 cache"
    		: : "r" (val) : "cc");
    	isb();
    }
    
    
    void l2_cache_enable(void);
    void l2_cache_disable(void);
    
    
    #endif /* _ASM_CACHE_H */