1#ifndef _ASM_POWERPC_CACHE_H 2#define _ASM_POWERPC_CACHE_H 3 4#ifdef __KERNEL__ 5 6 7/* bytes per L1 cache line */ 8#if defined(CONFIG_8xx) || defined(CONFIG_403GCX) 9#define L1_CACHE_SHIFT 4 10#define MAX_COPY_PREFETCH 1 11#elif defined(CONFIG_PPC32) 12#define L1_CACHE_SHIFT 5 13#define MAX_COPY_PREFETCH 4 14#else /* CONFIG_PPC64 */ 15#define L1_CACHE_SHIFT 7 16#endif 17 18#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) 19 20#define SMP_CACHE_BYTES L1_CACHE_BYTES 21 22#if defined(__powerpc64__) && !defined(__ASSEMBLY__) 23struct ppc64_caches { 24 u32 dsize; /* L1 d-cache size */ 25 u32 dline_size; /* L1 d-cache line size */ 26 u32 log_dline_size; 27 u32 dlines_per_page; 28 u32 isize; /* L1 i-cache size */ 29 u32 iline_size; /* L1 i-cache line size */ 30 u32 log_iline_size; 31 u32 ilines_per_page; 32}; 33 34extern struct ppc64_caches ppc64_caches; 35#endif /* __powerpc64__ && ! __ASSEMBLY__ */ 36 37#endif /* __KERNEL__ */ 38#endif /* _ASM_POWERPC_CACHE_H */ 39