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| author | Dave Kleikamp <shaggy@linux.vnet.ibm.com> | 2009-02-02 13:40:55 -0600 |
|---|---|---|
| committer | Dave Kleikamp <shaggy@linux.vnet.ibm.com> | 2009-02-02 13:40:55 -0600 |
| commit | 8db0c5d5ef3ab99fe9e5151872b75f45c4282e3c (patch) | |
| tree | da9759151e00221c58cdd9f4de893c0b08753670 /arch/mips/include/asm/io.h | |
| parent | 1ad53a98c927a9b5b1b57288ac0edec562fbcf8d (diff) | |
| parent | 45c82b5a770be66845687a7d027c8b52946d59af (diff) | |
Merge branch 'master' of /home/shaggy/git/linus-clean/
Diffstat (limited to 'arch/mips/include/asm/io.h')
| -rw-r--r-- | arch/mips/include/asm/io.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h index 501a40b9f18d..436878e4e063 100644 --- a/arch/mips/include/asm/io.h +++ b/arch/mips/include/asm/io.h @@ -295,6 +295,12 @@ static inline void iounmap(const volatile void __iomem *addr) #undef __IS_KSEG1 } +#ifdef CONFIG_CPU_CAVIUM_OCTEON +#define war_octeon_io_reorder_wmb() wmb() +#else +#define war_octeon_io_reorder_wmb() do { } while (0) +#endif + #define __BUILD_MEMORY_SINGLE(pfx, bwlq, type, irq) \ \ static inline void pfx##write##bwlq(type val, \ @@ -303,6 +309,8 @@ static inline void pfx##write##bwlq(type val, \ volatile type *__mem; \ type __val; \ \ + war_octeon_io_reorder_wmb(); \ + \ __mem = (void *)__swizzle_addr_##bwlq((unsigned long)(mem)); \ \ __val = pfx##ioswab##bwlq(__mem, val); \ @@ -370,6 +378,8 @@ static inline void pfx##out##bwlq##p(type val, unsigned long port) \ volatile type *__addr; \ type __val; \ \ + war_octeon_io_reorder_wmb(); \ + \ __addr = (void *)__swizzle_addr_##bwlq(mips_io_port_base + port); \ \ __val = pfx##ioswab##bwlq(__addr, val); \ @@ -504,8 +514,12 @@ BUILDSTRING(q, u64) #endif +#ifdef CONFIG_CPU_CAVIUM_OCTEON +#define mmiowb() wmb() +#else /* Depends on MIPS II instruction set */ #define mmiowb() asm volatile ("sync" ::: "memory") +#endif static inline void memset_io(volatile void __iomem *addr, unsigned char val, int count) { |