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| author |   Christophe Leroy <christophe.leroy@c-s.fr> | 2019-05-14 09:05:15 +0000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2019-07-05 02:06:37 +1000 |
| commit | d98fc70fc139b72ae098d24fde42ad70c8ff2f81 (patch) | |
| tree | f968d93729af83cf24f7eaa62b91f01d1a11ed65 /arch/powerpc/include/asm/cache.h | |
| parent | powerpc/64: flush_inval_dcache_range() becomes flush_dcache_range() (diff) | |
| download | linux-dev-d98fc70fc139b72ae098d24fde42ad70c8ff2f81.tar.xz linux-dev-d98fc70fc139b72ae098d24fde42ad70c8ff2f81.zip | |
powerpc/32: define helpers to get L1 cache sizes.
This patch defines C helpers to retrieve the size of
cache blocks and uses them in the cacheflush functions.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/cache.h')
| -rw-r--r-- | arch/powerpc/include/asm/cache.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h index df8e4c407366..e84d1622eeb6 100644 --- a/arch/powerpc/include/asm/cache.h +++ b/arch/powerpc/include/asm/cache.h @@ -33,7 +33,8 @@ #define IFETCH_ALIGN_BYTES (1 << IFETCH_ALIGN_SHIFT) -#if defined(__powerpc64__) && !defined(__ASSEMBLY__) +#if !defined(__ASSEMBLY__) +#ifdef CONFIG_PPC64 struct ppc_cache_info { u32 size; @@ -53,7 +54,18 @@ struct ppc64_caches { }; extern struct ppc64_caches ppc64_caches; -#endif /* __powerpc64__ && ! __ASSEMBLY__ */ +#else +static inline u32 l1_cache_shift(void) +{ + return L1_CACHE_SHIFT; +} + +static inline u32 l1_cache_bytes(void) +{ + return L1_CACHE_BYTES; +} +#endif +#endif /* ! __ASSEMBLY__ */ #if defined(__ASSEMBLY__) /* |