extern void epapr_platform_init(unsigned long r3, unsigned long r4,
  				unsigned long r5, unsigned long r6,
  				unsigned long r7);
  
  void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  		   unsigned long r6, unsigned long r7)
  {
  	epapr_platform_init(r3, r4, r5, r6, r7);
  }