int ChipReadMemory(unsigned int arg_phys_addr,unsigned int *memValue)
{
  void  *virt_addr = NULL;
  unsigned int phys_addr = 0;

  phys_addr =  DEVICE_BASE_ADDRESS + arg_phys_addr;
  virt_addr = ioremap(phys_addr, 4);
  if(virt_addr == NULL)
  {
     printk("ChipReadMemory: unable to perform ioremap \n");
     return -1;
  }
  *memValue  = readl(virt_addr);
    iounmap(virt_addr);
    return 0;
}


int ChipWriteMemory(unsigned int arg_phys_addr, unsigned int arg_val)
{
  void  *virt_addr = NULL;
  unsigned int phys_addr = 0;
  phys_addr =  DEVICE_BASE_ADDRESS + arg_phys_addr;
  virt_addr = ioremap(phys_addr, 4);
  if(virt_addr == NULL)
  {
     printk("ChipWriteMemory : unable to perform ioremap \n");
     return -1;
  }
  writel(arg_val,virt_addr);
  iounmap(virt_addr);
   return 0;
}