diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-07 21:08:40 +0900 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-07 21:08:40 +0900 |
commit | 5cad3598ea0cdb817681f74518d3213583a04f7a (patch) | |
tree | 792786bea205f6eef7274b65e1e1e63d21df511d /arch/microblaze/include/asm/io.h | |
parent | 638c87a91666df1f16866badee862ce38bf31e4a (diff) | |
parent | 94fda49a948a5999699359313a2f857f9d11ff19 (diff) |
Merge branch 'next' of git://git.monstr.eu/linux-2.6-microblaze
Pull microblaze arch updates from Michal Simek.
* 'next' of git://git.monstr.eu/linux-2.6-microblaze:
Revert "microblaze_mmu_v2: Update signal returning address"
microblaze: Added more support for PCI
microblaze: Prefer to use pr_XXX instead of printk(KERN_XX)
microblaze: Fix bug with passing command line
microblaze: Remove PAGE properties duplication
microblaze: Remove additional andi which has been already done
microblaze: Use predefined macro for ESR_DIZ
microblaze: Support 4k/16k/64k pages
microblaze: Do not used hardcoded value in exception handler
microblaze: Added fdt chosen capability for timer
microblaze: Add support for ioreadXX/iowriteXX_rep
microblaze: Improve failure handling for GPIO reset
microblaze: clinkage.h
Diffstat (limited to 'arch/microblaze/include/asm/io.h')
-rw-r--r-- | arch/microblaze/include/asm/io.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h index 8cdac14b55b..4fbfdc1ac7f 100644 --- a/arch/microblaze/include/asm/io.h +++ b/arch/microblaze/include/asm/io.h @@ -35,6 +35,10 @@ extern resource_size_t isa_mem_base; #define IO_SPACE_LIMIT (0xFFFFFFFF) +/* the following is needed to support PCI with some drivers */ + +#define mmiowb() + static inline unsigned char __raw_readb(const volatile void __iomem *addr) { return *(volatile unsigned char __force *)addr; @@ -248,4 +252,94 @@ static inline void __iomem *__ioremap(phys_addr_t address, unsigned long size, #define ioport_map(port, nr) ((void __iomem *)(port)) #define ioport_unmap(addr) +/* from asm-generic/io.h */ +#ifndef insb +static inline void insb(unsigned long addr, void *buffer, int count) +{ + if (count) { + u8 *buf = buffer; + do { + u8 x = inb(addr); + *buf++ = x; + } while (--count); + } +} +#endif + +#ifndef insw +static inline void insw(unsigned long addr, void *buffer, int count) +{ + if (count) { + u16 *buf = buffer; + do { + u16 x = inw(addr); + *buf++ = x; + } while (--count); + } +} +#endif + +#ifndef insl +static inline void insl(unsigned long addr, void *buffer, int count) +{ + if (count) { + u32 *buf = buffer; + do { + u32 x = inl(addr); + *buf++ = x; + } while (--count); + } +} +#endif + +#ifndef outsb +static inline void outsb(unsigned long addr, const void *buffer, int count) +{ + if (count) { + const u8 *buf = buffer; + do { + outb(*buf++, addr); + } while (--count); + } +} +#endif + +#ifndef outsw +static inline void outsw(unsigned long addr, const void *buffer, int count) +{ + if (count) { + const u16 *buf = buffer; + do { + outw(*buf++, addr); + } while (--count); + } +} +#endif + +#ifndef outsl +static inline void outsl(unsigned long addr, const void *buffer, int count) +{ + if (count) { + const u32 *buf = buffer; + do { + outl(*buf++, addr); + } while (--count); + } +} +#endif + +#define ioread8_rep(p, dst, count) \ + insb((unsigned long) (p), (dst), (count)) +#define ioread16_rep(p, dst, count) \ + insw((unsigned long) (p), (dst), (count)) +#define ioread32_rep(p, dst, count) \ + insl((unsigned long) (p), (dst), (count)) + +#define iowrite8_rep(p, src, count) \ + outsb((unsigned long) (p), (src), (count)) +#define iowrite16_rep(p, src, count) \ + outsw((unsigned long) (p), (src), (count)) +#define iowrite32_rep(p, src, count) \ + outsl((unsigned long) (p), (src), (count)) + #endif /* _ASM_MICROBLAZE_IO_H */ |