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Prafulla Wadaskar5c3d5812009-06-20 11:01:52 +02001/*
2 * (C) Copyright 2009
3 * Marvell Semiconductor <www.marvell.com>
4 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
5 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02006 * SPDX-License-Identifier: GPL-2.0+
Prafulla Wadaskar5c3d5812009-06-20 11:01:52 +02007 */
8
9#ifndef _ASM_CACHE_H
10#define _ASM_CACHE_H
11
12#include <asm/system.h>
13
David Feng0ae76532013-12-14 11:47:35 +080014#ifndef CONFIG_ARM64
15
Prafulla Wadaskar5c3d5812009-06-20 11:01:52 +020016/*
17 * Invalidate L2 Cache using co-proc instruction
18 */
19static inline void invalidate_l2_cache(void)
20{
21 unsigned int val=0;
22
23 asm volatile("mcr p15, 1, %0, c15, c11, 0 @ invl l2 cache"
24 : : "r" (val) : "cc");
25 isb();
26}
Kim, Heung Jun06e758e2009-06-20 11:02:17 +020027
28void l2_cache_enable(void);
29void l2_cache_disable(void);
Vincent Stehlédfa41382013-03-04 20:04:43 +000030void set_section_dcache(int section, enum dcache_option option);
Kim, Heung Jun06e758e2009-06-20 11:02:17 +020031
R Sricharan96fdbec2013-03-04 20:04:44 +000032void dram_bank_mmu_setup(int bank);
David Feng0ae76532013-12-14 11:47:35 +080033
34#endif
35
Anton Staaf44d6cbb2011-10-17 16:46:03 -070036/*
37 * The current upper bound for ARM L1 data cache line sizes is 64 bytes. We
38 * use that value for aligning DMA buffers unless the board config has specified
39 * an alternate cache line size.
40 */
41#ifdef CONFIG_SYS_CACHELINE_SIZE
42#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
43#else
44#define ARCH_DMA_MINALIGN 64
45#endif
46
Prafulla Wadaskar5c3d5812009-06-20 11:01:52 +020047#endif /* _ASM_CACHE_H */