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  • /*
     * (C) Copyright 2009
     * Marvell Semiconductor <www.marvell.com>
     * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
     *
    
     * SPDX-License-Identifier:	GPL-2.0+
    
     */
    
    #ifndef _ASM_CACHE_H
    #define _ASM_CACHE_H
    
    #include <asm/system.h>
    
    /*
     * Invalidate L2 Cache using co-proc instruction
     */
    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();
    }
    
    
    void l2_cache_enable(void);
    void l2_cache_disable(void);
    
    void set_section_dcache(int section, enum dcache_option option);
    
    void dram_bank_mmu_setup(int bank);
    
    /*
     * The current upper bound for ARM L1 data cache line sizes is 64 bytes.  We
     * use that value for aligning DMA buffers unless the board config has specified
     * an alternate cache line size.
     */
    #ifdef CONFIG_SYS_CACHELINE_SIZE
    #define ARCH_DMA_MINALIGN	CONFIG_SYS_CACHELINE_SIZE
    #else
    #define ARCH_DMA_MINALIGN	64
    #endif
    
    
    #endif /* _ASM_CACHE_H */