3 * Marvell Semiconductor <www.marvell.com>
4 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
6 * See file CREDITS for list of people who contributed to this
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.
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.
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,
28 #include <asm/system.h>
31 * Invalidate L2 Cache using co-proc instruction
33 static inline void invalidate_l2_cache(void)
37 asm volatile("mcr p15, 1, %0, c15, c11, 0 @ invl l2 cache"
38 : : "r" (val) : "cc");
42 void l2_cache_enable(void);
43 void l2_cache_disable(void);
46 * The current upper bound for ARM L1 data cache line sizes is 64 bytes. We
47 * use that value for aligning DMA buffers unless the board config has specified
48 * an alternate cache line size.
50 #ifdef CONFIG_SYS_CACHELINE_SIZE
51 #define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
53 #define ARCH_DMA_MINALIGN 64
56 #endif /* _ASM_CACHE_H */