diff options
Diffstat (limited to 'arch/blackfin/include/asm/io.h')
| -rw-r--r-- | arch/blackfin/include/asm/io.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/io.h b/arch/blackfin/include/asm/io.h new file mode 100644 index 000000000..6abebe82d --- /dev/null +++ b/arch/blackfin/include/asm/io.h @@ -0,0 +1,49 @@ +/* + * Copyright 2004-2010 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#ifndef _BFIN_IO_H +#define _BFIN_IO_H + +#include <linux/compiler.h> +#include <linux/types.h> +#include <asm/byteorder.h> +#include <asm/def_LPBlackfin.h> + +#define __raw_readb bfin_read8 +#define __raw_readw bfin_read16 +#define __raw_readl bfin_read32 +#define __raw_writeb(val, addr) bfin_write8(addr, val) +#define __raw_writew(val, addr) bfin_write16(addr, val) +#define __raw_writel(val, addr) bfin_write32(addr, val) + +extern void outsb(unsigned long port, const void *addr, unsigned long count); +extern void outsw(unsigned long port, const void *addr, unsigned long count); +extern void outsw_8(unsigned long port, const void *addr, unsigned long count); +extern void outsl(unsigned long port, const void *addr, unsigned long count); +#define outsb outsb +#define outsw outsw +#define outsl outsl + +extern void insb(unsigned long port, void *addr, unsigned long count); +extern void insw(unsigned long port, void *addr, unsigned long count); +extern void insw_8(unsigned long port, void *addr, unsigned long count); +extern void insl(unsigned long port, void *addr, unsigned long count); +extern void insl_16(unsigned long port, void *addr, unsigned long count); +#define insb insb +#define insw insw +#define insl insl + +/** + * I/O write barrier + * + * Ensure ordering of I/O space writes. This will make sure that writes + * following the barrier will arrive after all previous writes. + */ +#define mmiowb() do { SSYNC(); wmb(); } while (0) + +#include <asm-generic/io.h> + +#endif |