1819833afSPeter Tyser /* 2819833afSPeter Tyser * (C) Copyright 2009 3819833afSPeter Tyser * Marvell Semiconductor <www.marvell.com> 4819833afSPeter Tyser * Written-by: Prafulla Wadaskar <prafulla@marvell.com> 5819833afSPeter Tyser * 6*1a459660SWolfgang Denk * SPDX-License-Identifier: GPL-2.0+ 7819833afSPeter Tyser */ 8819833afSPeter Tyser 9819833afSPeter Tyser #ifndef _ASM_CACHE_H 10819833afSPeter Tyser #define _ASM_CACHE_H 11819833afSPeter Tyser 12819833afSPeter Tyser #include <asm/system.h> 13819833afSPeter Tyser 14819833afSPeter Tyser /* 15819833afSPeter Tyser * Invalidate L2 Cache using co-proc instruction 16819833afSPeter Tyser */ 17819833afSPeter Tyser static inline void invalidate_l2_cache(void) 18819833afSPeter Tyser { 19819833afSPeter Tyser unsigned int val=0; 20819833afSPeter Tyser 21819833afSPeter Tyser asm volatile("mcr p15, 1, %0, c15, c11, 0 @ invl l2 cache" 22819833afSPeter Tyser : : "r" (val) : "cc"); 23819833afSPeter Tyser isb(); 24819833afSPeter Tyser } 25819833afSPeter Tyser 26819833afSPeter Tyser void l2_cache_enable(void); 27819833afSPeter Tyser void l2_cache_disable(void); 28dfa41387SVincent Stehlé void set_section_dcache(int section, enum dcache_option option); 29819833afSPeter Tyser 3096fdbec2SR Sricharan void dram_bank_mmu_setup(int bank); 3144d6cbb6SAnton Staaf /* 3244d6cbb6SAnton Staaf * The current upper bound for ARM L1 data cache line sizes is 64 bytes. We 3344d6cbb6SAnton Staaf * use that value for aligning DMA buffers unless the board config has specified 3444d6cbb6SAnton Staaf * an alternate cache line size. 3544d6cbb6SAnton Staaf */ 3644d6cbb6SAnton Staaf #ifdef CONFIG_SYS_CACHELINE_SIZE 3744d6cbb6SAnton Staaf #define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE 3844d6cbb6SAnton Staaf #else 3944d6cbb6SAnton Staaf #define ARCH_DMA_MINALIGN 64 4044d6cbb6SAnton Staaf #endif 4144d6cbb6SAnton Staaf 42819833afSPeter Tyser #endif /* _ASM_CACHE_H */ 43