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Commit 9998517a authored by Michal Simek's avatar Michal Simek
Browse files

microblaze: Add support for ioreadXX/iowriteXX_rep 



Reuse versions from asm-generic functions.

Signed-off-by: default avatarMichal Simek <monstr@monstr.eu>
parent 191d5eca

arch/microblaze/include/asm/io.h

+90 −0
Original line number Diff line number Diff line
@@ -248,4 +248,94 @@ 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 */