Enhance io.h for periphals origin design on x86 systems. For example, pci, ide, etc.
Signed-off-by: Macpaul Lin macpaul@andestech.com --- arch/nds32/include/asm/io.h | 18 ++++++++++++++++++ 1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/arch/nds32/include/asm/io.h b/arch/nds32/include/asm/io.h index 2c105f7..39c3dc8 100644 --- a/arch/nds32/include/asm/io.h +++ b/arch/nds32/include/asm/io.h @@ -165,6 +165,24 @@ static inline unsigned int readl(unsigned int *addr) #define __raw_base_readw(base, off) __arch_base_getw(base, off) #define __raw_base_readl(base, off) __arch_base_getl(base, off)
+#define out_arch(type, endian, a, v) __raw_write##type(cpu_to_##endian(v), a) +#define in_arch(type, endian, a) endian##_to_cpu(__raw_read##type(a)) + +#define out_le32(a, v) out_arch(l, le32, a, v) +#define out_le16(a, v) out_arch(w, le16, a, v) + +#define in_le32(a) in_arch(l, le32, a) +#define in_le16(a) in_arch(w, le16, a) + +#define out_be32(a, v) out_arch(l, be32, a, v) +#define out_be16(a, v) out_arch(w, be16, a, v) + +#define in_be32(a) in_arch(l, be32, a) +#define in_be16(a) in_arch(w, be16, a) + +#define out_8(a, v) __raw_writeb(v, a) +#define in_8(a) __raw_readb(a) + /* * Now, pick up the machine-defined IO definitions * #include <asm/arch/io.h>