[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>

2 files changed, 15 insertions, 0 deletions

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 1cfe9538fd19..15a398051682 100644
--- a/drivers/pci/quirks.c
+++ b/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:
diff --git a/drivers/scsi/ata_piix.c b/drivers/scsi/ata_piix.c
index ce19728aa8a4..3867f91ef8c7 100644
--- a/drivers/scsi/ata_piix.c
+++ b/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[] = {