diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c
index b3e77df63cef9ab613e97cf3c2a10c743b8179b8..e9b83e1a30287adf49475ab729b95c7b3d4c380c 100644
--- a/drivers/ide/pci/piix.c
+++ b/drivers/ide/pci/piix.c
@@ -135,6 +135,7 @@ static u8 piix_ratemask (ide_drive_t *drive)
 		case PCI_DEVICE_ID_INTEL_ICH6_19:
 		case PCI_DEVICE_ID_INTEL_ICH7_21:
 		case PCI_DEVICE_ID_INTEL_ESB2_18:
+		case PCI_DEVICE_ID_INTEL_ICH8_6:
 			mode = 3;
 			break;
 		/* UDMA 66 capable */
@@ -449,6 +450,7 @@ static unsigned int __devinit init_chipset_piix (struct pci_dev *dev, const char
 		case PCI_DEVICE_ID_INTEL_ICH6_19:
 		case PCI_DEVICE_ID_INTEL_ICH7_21:
 		case PCI_DEVICE_ID_INTEL_ESB2_18:
+		case PCI_DEVICE_ID_INTEL_ICH8_6:
 		{
 			unsigned int extra = 0;
 			pci_read_config_dword(dev, 0x54, &extra);
@@ -575,6 +577,7 @@ static ide_pci_device_t piix_pci_info[] __devinitdata = {
 	/* 21 */ DECLARE_PIIX_DEV("ICH7"),
 	/* 22 */ DECLARE_PIIX_DEV("ICH4"),
 	/* 23 */ DECLARE_PIIX_DEV("ESB2"),
+	/* 24 */ DECLARE_PIIX_DEV("ICH8M"),
 };
 
 /**
@@ -651,6 +654,7 @@ static struct pci_device_id piix_pci_tbl[] = {
 	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_21, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 21},
 	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 22},
 	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB2_18, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 23},
+	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 24},
 	{ 0, },
 };
 MODULE_DEVICE_TABLE(pci, piix_pci_tbl);