[PATCH] SATA support for Intel ICH7

Reposting patch with word wrap turned off.  Please let me know if
this is still not formated correctly.

This patch adds the Intel ICH7 DID's to the ata_piix.c SATA driver,
ahci.c SATA AHCI driver and quirks.c for ICH7 SATA support.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

drivers/pci/quirks.c

@@ -1144,6 +1144,10 @@ static void __devinit quirk_intel_ide_combined(struct pci_dev *pdev)
 	case 0x2653:
 		ich = 6;
 		break;
+	case 0x27c0:
+	case 0x27c4:
+		ich = 7;
+		break;
 	default:
 		/* we do not handle this PCI device */
 		return;
@@ -1163,7 +1167,7 @@ static void __devinit quirk_intel_ide_combined(struct pci_dev *pdev)
 		else
 			return;			/* not in combined mode */
 	} else {
-		WARN_ON(ich != 6);
+		WARN_ON((ich != 6) && (ich != 7));
 		tmp &= 0x3;  /* interesting bits 1:0 */
 		if (tmp & (1 << 0))
 			comb = (1 << 2);	/* PATA port 0, SATA port 1 */

drivers/scsi/ahci.c

@@ -239,9 +239,13 @@ static struct ata_port_info ahci_port_info[] = {
 
 static struct pci_device_id ahci_pci_tbl[] = {
 	{ PCI_VENDOR_ID_INTEL, 0x2652, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
-	  board_ahci },
+	  board_ahci }, /* ICH6 */
 	{ PCI_VENDOR_ID_INTEL, 0x2653, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
-	  board_ahci },
+	  board_ahci }, /* ICH6M */
+	{ PCI_VENDOR_ID_INTEL, 0x27c1, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+	  board_ahci }, /* ICH7 */
+	{ PCI_VENDOR_ID_INTEL, 0x27c5, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+	  board_ahci }, /* ICH7M */
 	{ }	/* terminate list */
 };
 

drivers/scsi/ata_piix.c

@@ -60,6 +60,7 @@ enum {
 	piix4_pata		= 2,
 	ich6_sata		= 3,
 	ich6_sata_rm		= 4,
+	ich7_sata		= 5,
 };
 
 static int piix_init_one (struct pci_dev *pdev,
@@ -90,6 +91,8 @@ static struct pci_device_id piix_pci_tbl[] = {
 	{ 0x8086, 0x2651, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata },
 	{ 0x8086, 0x2652, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_rm },
 	{ 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 },
 
 	{ }	/* terminate list */
 };
@@ -236,6 +239,18 @@ static struct ata_port_info piix_port_info[] = {
 		.udma_mask	= 0x7f,	/* udma0-6 */
 		.port_ops	= &piix_sata_ops,
 	},
+
+	/* ich7_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[] = {