#ifdef __uClinux__
  #include <asm/io_no.h>
  #else
  #include <asm/io_mm.h>
  #endif
  
  #define readb_relaxed(addr)	readb(addr)
  #define readw_relaxed(addr)	readw(addr)
  #define readl_relaxed(addr)	readl(addr)
  
  #define writeb_relaxed(b, addr)	writeb(b, addr)
  #define writew_relaxed(b, addr)	writew(b, addr)
  #define writel_relaxed(b, addr)	writel(b, addr)