b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * (C) Copyright 2009 |
| 3 | * Marvell Semiconductor <www.marvell.com> |
| 4 | * Written-by: Prafulla Wadaskar <prafulla@marvell.com> |
| 5 | * |
| 6 | * SPDX-License-Identifier: GPL-2.0+ |
| 7 | */ |
| 8 | |
| 9 | #ifndef _ASM_CACHE_H |
| 10 | #define _ASM_CACHE_H |
| 11 | |
| 12 | #include <asm/system.h> |
| 13 | |
| 14 | #ifndef CONFIG_ARM64 |
| 15 | |
| 16 | /* |
| 17 | * Invalidate L2 Cache using co-proc instruction |
| 18 | */ |
| 19 | static 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 | } |
| 27 | |
| 28 | void l2_cache_enable(void); |
| 29 | void l2_cache_disable(void); |
| 30 | void set_section_dcache(int section, enum dcache_option option); |
| 31 | |
| 32 | void dram_bank_mmu_setup(int bank); |
| 33 | |
| 34 | #endif |
| 35 | |
| 36 | /* |
| 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 | |
| 47 | #endif /* _ASM_CACHE_H */ |