#define readl_relaxed(addr) readl(addr)
#define readq_relaxed(addr) readq(addr)
-#define mmiowb()
-
extern void __memcpy_fromio(unsigned long dest, unsigned long src, int count);
extern void __memcpy_toio(unsigned long dest, unsigned long src, int count);
extern void __memset_io(unsigned long dest, char fill, int count);