LXR uboot/arch/arm/include/asm/cache.h

   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 */
  33static 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}
  41
  42void l2_cache_enable(void);
  43void l2_cache_disable(void);
  44
  45#endif /* _ASM_CACHE_H */
  46