[people/ms/u-boot.git] / include / asm-arm / cache.h

/*
 * (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 */
Commit	Line	Data
5c3d5817 PW	1	/*
	2	* (C) Copyright 2009
	3	* Marvell Semiconductor <www.marvell.com>
	4	* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
	5	*
	6	* See file CREDITS for list of people who contributed to this
	7	* project.
	8	*
	9	* This program is free software; you can redistribute it and/or
	10	* modify it under the terms of the GNU General Public License as
	11	* published by the Free Software Foundation; either version 2 of
	12	* the License, or (at your option) any later version.
	13	*
	14	* This program is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
	22	* MA 02110-1301 USA
	23	*/
	24
	25	#ifndef _ASM_CACHE_H
	26	#define _ASM_CACHE_H
	27
	28	#include <asm/system.h>
	29
	30	/*
	31	* Invalidate L2 Cache using co-proc instruction
	32	*/
	33	static inline void invalidate_l2_cache(void)
	34	{
	35	unsigned int val=0;
	36
	37	asm volatile("mcr p15, 1, %0, c15, c11, 0 @ invl l2 cache"
	38	: : "r" (val) : "cc");
	39	isb();
	40	}
06e758e7 KHJ	41
	42	void l2_cache_enable(void);
	43	void l2_cache_disable(void);
	44
5c3d5817	45	#endif /* _ASM_CACHE_H */