1*819833afSPeter Tyser /* 2*819833afSPeter Tyser * (C) Copyright 2009 3*819833afSPeter Tyser * Marvell Semiconductor <www.marvell.com> 4*819833afSPeter Tyser * Written-by: Prafulla Wadaskar <prafulla@marvell.com> 5*819833afSPeter Tyser * 6*819833afSPeter Tyser * See file CREDITS for list of people who contributed to this 7*819833afSPeter Tyser * project. 8*819833afSPeter Tyser * 9*819833afSPeter Tyser * This program is free software; you can redistribute it and/or 10*819833afSPeter Tyser * modify it under the terms of the GNU General Public License as 11*819833afSPeter Tyser * published by the Free Software Foundation; either version 2 of 12*819833afSPeter Tyser * the License, or (at your option) any later version. 13*819833afSPeter Tyser * 14*819833afSPeter Tyser * This program is distributed in the hope that it will be useful, 15*819833afSPeter Tyser * but WITHOUT ANY WARRANTY; without even the implied warranty of 16*819833afSPeter Tyser * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17*819833afSPeter Tyser * GNU General Public License for more details. 18*819833afSPeter Tyser * 19*819833afSPeter Tyser * You should have received a copy of the GNU General Public License 20*819833afSPeter Tyser * along with this program; if not, write to the Free Software 21*819833afSPeter Tyser * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 22*819833afSPeter Tyser * MA 02110-1301 USA 23*819833afSPeter Tyser */ 24*819833afSPeter Tyser 25*819833afSPeter Tyser #ifndef _ASM_CACHE_H 26*819833afSPeter Tyser #define _ASM_CACHE_H 27*819833afSPeter Tyser 28*819833afSPeter Tyser #include <asm/system.h> 29*819833afSPeter Tyser 30*819833afSPeter Tyser /* 31*819833afSPeter Tyser * Invalidate L2 Cache using co-proc instruction 32*819833afSPeter Tyser */ 33*819833afSPeter Tyser static inline void invalidate_l2_cache(void) 34*819833afSPeter Tyser { 35*819833afSPeter Tyser unsigned int val=0; 36*819833afSPeter Tyser 37*819833afSPeter Tyser asm volatile("mcr p15, 1, %0, c15, c11, 0 @ invl l2 cache" 38*819833afSPeter Tyser : : "r" (val) : "cc"); 39*819833afSPeter Tyser isb(); 40*819833afSPeter Tyser } 41*819833afSPeter Tyser 42*819833afSPeter Tyser void l2_cache_enable(void); 43*819833afSPeter Tyser void l2_cache_disable(void); 44*819833afSPeter Tyser 45*819833afSPeter Tyser #endif /* _ASM_CACHE_H */ 46