--- linux-2.6.19.2/include/asm-mips/byteorder.h 2007-01-10 20:10:37.000000000 +0100 +++ linux-2.6.19.2.new/include/asm-mips/byteorder.h 2007-05-16 21:14:47.000000000 +0200 @@ -58,6 +58,35 @@ #endif /* CONFIG_CPU_MIPSR2 */ +#ifdef CONFIG_ADM5120_HARDWARE_SWAB + +static __inline__ __attribute_const__ __u16 ___adm5120__swab16(__u16 x) +{ + __asm__ ( + " sh %2, 0xCA(%1) \n" + " lhu %0, 0xCC(%1) \n" + : "=r" (x) + : "r" (0xB2000000), "r" (x)); + + return x; +} + +static __inline__ __attribute_const__ __u32 ___adm5120__swab32(__u32 x) +{ + __asm__ ( + " sw %2, 0xC8(%1) \n" + " lw %0, 0xCC(%1) \n" + : "=r" (x) + : "r" (0xB2000000), "r" (x)); + + return x; +} + +#define __arch__swab16(x) ___adm5120__swab16(x) +#define __arch__swab32(x) ___adm5120__swab32(x) + +#endif /* CONFIG_ADM5120_HARDWARE_SWAB */ + #if !defined(__STRICT_ANSI__) || defined(__KERNEL__) # define __BYTEORDER_HAS_U64__ # define __SWAB_64_THRU_32__