diff options
Diffstat (limited to 'roms/u-boot/arch/arm/include/asm/cache.h')
-rw-r--r-- | roms/u-boot/arch/arm/include/asm/cache.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/include/asm/cache.h b/roms/u-boot/arch/arm/include/asm/cache.h new file mode 100644 index 000000000..b10edf805 --- /dev/null +++ b/roms/u-boot/arch/arm/include/asm/cache.h @@ -0,0 +1,62 @@ +/* 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 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 */ |