544 	unsigned long mapbase;  in tx4939ide_probe()  local
556 	mapbase = (unsigned long)devm_ioremap(&pdev->dev, res->start,  in tx4939ide_probe()
558 	if (!mapbase)  in tx4939ide_probe()
562 		mapbase + tx4939ide_swizzlew(TX4939IDE_Data);  in tx4939ide_probe()
564 		mapbase + tx4939ide_swizzleb(TX4939IDE_Error_Feature);  in tx4939ide_probe()
566 		mapbase + tx4939ide_swizzleb(TX4939IDE_Sec);  in tx4939ide_probe()
568 		mapbase + tx4939ide_swizzleb(TX4939IDE_LBA0);  in tx4939ide_probe()
570 		mapbase + tx4939ide_swizzleb(TX4939IDE_LBA1);  in tx4939ide_probe()
572 		mapbase + tx4939ide_swizzleb(TX4939IDE_LBA2);  in tx4939ide_probe()
574 		mapbase + tx4939ide_swizzleb(TX4939IDE_DevHead);  in tx4939ide_probe()
576 		mapbase + tx4939ide_swizzleb(TX4939IDE_Stat_Cmd);  in tx4939ide_probe()
578 		mapbase + tx4939ide_swizzleb(TX4939IDE_AltStat_DevCtl);  in tx4939ide_probe()
582 	pr_info("TX4939 IDE interface (base %#lx, irq %d)\n", mapbase, irq);  in tx4939ide_probe()
587 	host->ports[0]->extra_base = mapbase;  in tx4939ide_probe()