/* Map internal tpci200 driver user space */
        tpci200->info->interface_regs =
-               ioremap(pci_resource_start(tpci200->info->pdev,
+               ioremap_nocache(pci_resource_start(tpci200->info->pdev,
                                           TPCI200_IP_INTERFACE_BAR),
                        TPCI200_IFACE_SIZE);
        tpci200->info->ioidint_space =
-               ioremap(pci_resource_start(tpci200->info->pdev,
+               ioremap_nocache(pci_resource_start(tpci200->info->pdev,
                                           TPCI200_IO_ID_INT_SPACES_BAR),
                        TPCI200_IOIDINT_SIZE);
        tpci200->info->mem8_space =
-               ioremap(pci_resource_start(tpci200->info->pdev,
+               ioremap_nocache(pci_resource_start(tpci200->info->pdev,
                                           TPCI200_MEM8_SPACE_BAR),
                        TPCI200_MEM8_SIZE);
 
 
        virt_addr_space->size = size_to_map;
        virt_addr_space->address =
-               ioremap((unsigned long)phys_address, size_to_map);
+               ioremap_nocache((unsigned long)phys_address, size_to_map);
 
 out_unlock:
        mutex_unlock(&tpci200->mutex);