| Prafulla Wadaskar | e565fda | 2009-06-20 11:01:52 +0200 | [diff] [blame^] | 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 | } |
| 41 | #endif /* _ASM_CACHE_H */ |