summaryrefslogtreecommitdiffstats
path: root/arch/arm/include/asm/cacheflush.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/include/asm/cacheflush.h')
-rw-r--r--arch/arm/include/asm/cacheflush.h90
1 files changed, 0 insertions, 90 deletions
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index 9073d9c6567e..de6c59f814a1 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -444,94 +444,4 @@ static inline void flush_ioremap_region(unsigned long phys, void __iomem *virt,
dmac_inv_range(start, start + size);
}
-#define __cacheid_present(val) (val != read_cpuid(CPUID_ID))
-#define __cacheid_type_v7(val) ((val & (7 << 29)) == (4 << 29))
-
-#define __cacheid_vivt_prev7(val) ((val & (15 << 25)) != (14 << 25))
-#define __cacheid_vipt_prev7(val) ((val & (15 << 25)) == (14 << 25))
-#define __cacheid_vipt_nonaliasing_prev7(val) ((val & (15 << 25 | 1 << 23)) == (14 << 25))
-#define __cacheid_vipt_aliasing_prev7(val) ((val & (15 << 25 | 1 << 23)) == (14 << 25 | 1 << 23))
-
-#define __cacheid_vivt(val) (__cacheid_type_v7(val) ? 0 : __cacheid_vivt_prev7(val))
-#define __cacheid_vipt(val) (__cacheid_type_v7(val) ? 1 : __cacheid_vipt_prev7(val))
-#define __cacheid_vipt_nonaliasing(val) (__cacheid_type_v7(val) ? 1 : __cacheid_vipt_nonaliasing_prev7(val))
-#define __cacheid_vipt_aliasing(val) (__cacheid_type_v7(val) ? 0 : __cacheid_vipt_aliasing_prev7(val))
-#define __cacheid_vivt_asid_tagged_instr(val) (__cacheid_type_v7(val) ? ((val & (3 << 14)) == (1 << 14)) : 0)
-
-#if defined(CONFIG_CPU_CACHE_VIVT) && !defined(CONFIG_CPU_CACHE_VIPT)
-/*
- * VIVT caches only
- */
-#define cache_is_vivt() 1
-#define cache_is_vipt() 0
-#define cache_is_vipt_nonaliasing() 0
-#define cache_is_vipt_aliasing() 0
-#define icache_is_vivt_asid_tagged() 0
-
-#elif !defined(CONFIG_CPU_CACHE_VIVT) && defined(CONFIG_CPU_CACHE_VIPT)
-/*
- * VIPT caches only
- */
-#define cache_is_vivt() 0
-#define cache_is_vipt() 1
-#define cache_is_vipt_nonaliasing() \
- ({ \
- unsigned int __val = read_cpuid(CPUID_CACHETYPE); \
- __cacheid_vipt_nonaliasing(__val); \
- })
-
-#define cache_is_vipt_aliasing() \
- ({ \
- unsigned int __val = read_cpuid(CPUID_CACHETYPE); \
- __cacheid_vipt_aliasing(__val); \
- })
-
-#define icache_is_vivt_asid_tagged() \
- ({ \
- unsigned int __val = read_cpuid(CPUID_CACHETYPE); \
- __cacheid_vivt_asid_tagged_instr(__val); \
- })
-
-#else
-/*
- * VIVT or VIPT caches. Note that this is unreliable since ARM926
- * and V6 CPUs satisfy the "(val & (15 << 25)) == (14 << 25)" test.
- * There's no way to tell from the CacheType register what type (!)
- * the cache is.
- */
-#define cache_is_vivt() \
- ({ \
- unsigned int __val = read_cpuid(CPUID_CACHETYPE); \
- (!__cacheid_present(__val)) || __cacheid_vivt(__val); \
- })
-
-#define cache_is_vipt() \
- ({ \
- unsigned int __val = read_cpuid(CPUID_CACHETYPE); \
- __cacheid_present(__val) && __cacheid_vipt(__val); \
- })
-
-#define cache_is_vipt_nonaliasing() \
- ({ \
- unsigned int __val = read_cpuid(CPUID_CACHETYPE); \
- __cacheid_present(__val) && \
- __cacheid_vipt_nonaliasing(__val); \
- })
-
-#define cache_is_vipt_aliasing() \
- ({ \
- unsigned int __val = read_cpuid(CPUID_CACHETYPE); \
- __cacheid_present(__val) && \
- __cacheid_vipt_aliasing(__val); \
- })
-
-#define icache_is_vivt_asid_tagged() \
- ({ \
- unsigned int __val = read_cpuid(CPUID_CACHETYPE); \
- __cacheid_present(__val) && \
- __cacheid_vivt_asid_tagged_instr(__val); \
- })
-
-#endif
-
#endif