diff --git a/drivers/ide/pci/cs5520.c b/drivers/ide/pci/cs5520.c
index c0364b2..151844f 100644
--- a/drivers/ide/pci/cs5520.c
+++ b/drivers/ide/pci/cs5520.c
@@ -96,6 +96,7 @@
 
 static const struct ide_port_info cyrix_chipset __devinitdata = {
 	.name		= DRV_NAME,
+	.enablebits	= { { 0x60, 0x01, 0x01 }, { 0x60, 0x02, 0x02 } },
 	.port_ops	= &cs5520_port_ops,
 	.host_flags	= IDE_HFLAG_ISA_PORTS | IDE_HFLAG_CS5520,
 	.pio_mask	= ATA_PIO4,