[PATCH] ata_piix: IDE mode SATA patch for Intel ESB2

This patch adds the Intel ESB2 DID's to the ata_piix.c and quirks.c file for
IDE mode SATA support.

Signed-off-by: Jason Gaston <Jason.d.gaston@intel.com>
Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/pci/quirks.c

@@ -1189,6 +1189,7 @@ static void __devinit quirk_intel_ide_combined(struct pci_dev *pdev)
 	case 0x2651:
 	case 0x2652:
 	case 0x2653:
+	case 0x2680:	/* ESB2 */
 		ich = 6;
 		break;
 	case 0x27c0:

drivers/scsi/ata_piix.c

@@ -61,6 +61,7 @@ enum {
 	ich6_sata		= 3,
 	ich6_sata_rm		= 4,
 	ich7_sata		= 5,
+	esb2_sata		= 6,
 };
 
 static int piix_init_one (struct pci_dev *pdev,
@@ -93,6 +94,7 @@ static struct pci_device_id piix_pci_tbl[] = {
 	{ 0x8086, 0x2653, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_rm },
 	{ 0x8086, 0x27c0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich7_sata },
 	{ 0x8086, 0x27c4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich7_sata },
+	{ 0x8086, 0x2680, PCI_ANY_ID, PCI_ANY_ID, 0, 0, esb2_sata },
 
 	{ }	/* terminate list */
 };
@@ -256,6 +258,18 @@ static struct ata_port_info piix_port_info[] = {
 		.udma_mask	= 0x7f,	/* udma0-6 */
 		.port_ops	= &piix_sata_ops,
 	},
+
+	/* esb2_sata */
+	{
+		.sht		= &piix_sht,
+		.host_flags	= ATA_FLAG_SATA | ATA_FLAG_SRST |
+				  PIIX_FLAG_COMBINED | PIIX_FLAG_CHECKINTR |
+				  ATA_FLAG_SLAVE_POSS | PIIX_FLAG_AHCI,
+		.pio_mask	= 0x1f,	/* pio0-4 */
+		.mwdma_mask	= 0x07, /* mwdma0-2 */
+		.udma_mask	= 0x7f,	/* udma0-6 */
+		.port_ops	= &piix_sata_ops,
+	},
 };
 
 static struct pci_bits piix_enable_bits[] = {