powerpc: define helpers to get L1 icache sizes
[ Upstream commit 7a0745c5e0
]
This patch adds helpers to retrieve icache sizes, and renames the existing
helpers to make it clear that they are for dcache.
Signed-off-by: Alastair D'Silva <alastair@d-silva.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20191104023305.9581-4-alastair@au1.ibm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
parent
bbc02b018d
commit
ec21f6d52b
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@ -55,25 +55,46 @@ struct ppc64_caches {
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extern struct ppc64_caches ppc64_caches;
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static inline u32 l1_cache_shift(void)
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static inline u32 l1_dcache_shift(void)
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{
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return ppc64_caches.l1d.log_block_size;
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}
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static inline u32 l1_cache_bytes(void)
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static inline u32 l1_dcache_bytes(void)
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{
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return ppc64_caches.l1d.block_size;
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}
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static inline u32 l1_icache_shift(void)
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{
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return ppc64_caches.l1i.log_block_size;
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}
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static inline u32 l1_icache_bytes(void)
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{
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return ppc64_caches.l1i.block_size;
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}
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#else
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static inline u32 l1_cache_shift(void)
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static inline u32 l1_dcache_shift(void)
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{
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return L1_CACHE_SHIFT;
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}
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static inline u32 l1_cache_bytes(void)
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static inline u32 l1_dcache_bytes(void)
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{
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return L1_CACHE_BYTES;
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}
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static inline u32 l1_icache_shift(void)
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{
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return L1_CACHE_SHIFT;
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}
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static inline u32 l1_icache_bytes(void)
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{
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return L1_CACHE_BYTES;
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}
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#endif
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#endif /* ! __ASSEMBLY__ */
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@ -63,8 +63,8 @@ static inline void __flush_dcache_icache_phys(unsigned long physaddr)
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*/
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static inline void flush_dcache_range(unsigned long start, unsigned long stop)
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{
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unsigned long shift = l1_cache_shift();
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unsigned long bytes = l1_cache_bytes();
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unsigned long shift = l1_dcache_shift();
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unsigned long bytes = l1_dcache_bytes();
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void *addr = (void *)(start & ~(bytes - 1));
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unsigned long size = stop - (unsigned long)addr + (bytes - 1);
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unsigned long i;
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@ -89,8 +89,8 @@ static inline void flush_dcache_range(unsigned long start, unsigned long stop)
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*/
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static inline void clean_dcache_range(unsigned long start, unsigned long stop)
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{
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unsigned long shift = l1_cache_shift();
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unsigned long bytes = l1_cache_bytes();
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unsigned long shift = l1_dcache_shift();
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unsigned long bytes = l1_dcache_bytes();
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void *addr = (void *)(start & ~(bytes - 1));
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unsigned long size = stop - (unsigned long)addr + (bytes - 1);
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unsigned long i;
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@ -108,8 +108,8 @@ static inline void clean_dcache_range(unsigned long start, unsigned long stop)
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static inline void invalidate_dcache_range(unsigned long start,
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unsigned long stop)
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{
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unsigned long shift = l1_cache_shift();
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unsigned long bytes = l1_cache_bytes();
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unsigned long shift = l1_dcache_shift();
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unsigned long bytes = l1_dcache_bytes();
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void *addr = (void *)(start & ~(bytes - 1));
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unsigned long size = stop - (unsigned long)addr + (bytes - 1);
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unsigned long i;
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