diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index bce26ee..66aa146 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -420,7 +420,7 @@
 	/* board_ahci_mv */
 	{
 		AHCI_HFLAGS	(AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI |
-				 AHCI_HFLAG_MV_PATA),
+				 AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP),
 		.flags		= ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
 				  ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA,
 		.pio_mask	= 0x1f, /* pio0-4 */