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Diffstat (limited to 'arch/mips/include/asm/cache.h')
| -rw-r--r-- | arch/mips/include/asm/cache.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/mips/include/asm/cache.h b/arch/mips/include/asm/cache.h new file mode 100644 index 0000000..00696e6 --- /dev/null +++ b/arch/mips/include/asm/cache.h @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (c) 2011 The Chromium OS Authors. + */ + +#ifndef __MIPS_CACHE_H__ +#define __MIPS_CACHE_H__ + +#define L1_CACHE_SHIFT CONFIG_MIPS_L1_CACHE_SHIFT +#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) + +#define ARCH_DMA_MINALIGN (L1_CACHE_BYTES) + +/* + * CONFIG_SYS_CACHELINE_SIZE is still used in various drivers primarily for + * DMA buffer alignment. Satisfy those drivers by providing it as a synonym + * of ARCH_DMA_MINALIGN for now. + */ +#define CONFIG_SYS_CACHELINE_SIZE ARCH_DMA_MINALIGN + +#ifndef __ASSEMBLY__ +/** + * mips_cache_probe() - Probe the properties of the caches + * + * Call this to probe the properties such as line sizes of the caches + * present in the system, if any. This must be done before cache maintenance + * functions such as flush_cache may be called. + */ +void mips_cache_probe(void); +#endif + +#endif /* __MIPS_CACHE_H__ */ |