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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2009
* Marvell Semiconductor <www.marvell.com>
* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
*/
#ifndef _ASM_CACHE_H
#define _ASM_CACHE_H
#include <asm/system.h>
#ifndef CONFIG_ARM64
/*
* Invalidate L2 Cache using co-proc instruction
*/
#if CONFIG_IS_ENABLED(SYS_THUMB_BUILD)
void invalidate_l2_cache(void);
#else
static inline void invalidate_l2_cache(void)
{
unsigned int val=0;
asm volatile("mcr p15, 1, %0, c15, c11, 0 @ invl l2 cache"
: : "r" (val) : "cc");
isb();
}
#endif
int check_cache_range(unsigned long start, unsigned long stop);
void l2_cache_enable(void);
void l2_cache_disable(void);
void set_section_dcache(int section, enum dcache_option option);
void arm_init_before_mmu(void);
void arm_init_domains(void);
void cpu_cache_initialization(void);
void dram_bank_mmu_setup(int bank);
#endif
/*
* The value of the largest data cache relevant to DMA operations shall be set
* for us in CONFIG_SYS_CACHELINE_SIZE. In some cases this may be a larger
* value than found in the L1 cache but this is OK to use in terms of
* alignment.
*/
#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
/*
* arm_reserve_mmu() - Reserve memory for MMU TLB table
*
* Default implementation for reserving memory for MMU TLB table. It is used
* during generic board init sequence in common/board_f.c. Weakly defined, so
* that machines can override it if needed.
*
* Return: 0 if OK
*/
int arm_reserve_mmu(void);
#endif /* _ASM_CACHE_H */