ata_piix: add PCI IDs for Intel BayTail

Adds IDE-mode SATA Device IDs for the Intel BayTrail platform.

Signed-off-by: Chew, Chiau Ee <chiau.ee.chew@intel.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 26bda6ed9a00..9a8a674e8fac 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -151,6 +151,7 @@ enum piix_controller_ids {
         piix_pata_vmw,                  /* PIIX4 for VMware, spurious DMA_ERR */
         ich8_sata_snb,
         ich8_2port_sata_snb,
+        ich8_2port_sata_byt,
 };
 
 struct piix_map_db {
@@ -334,6 +335,9 @@ static const struct pci_device_id piix_pci_tbl[] = {
         { 0x8086, 0x8d60, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
         /* SATA Controller IDE (Wellsburg) */
         { 0x8086, 0x8d68, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+        /* SATA Controller IDE (BayTrail) */
+        { 0x8086, 0x0F20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt },
+        { 0x8086, 0x0F21, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt },
 
         { }     /* terminate list */
 };
@@ -441,6 +445,7 @@ static const struct piix_map_db *piix_map_db_table[] = {
         [tolapai_sata]          = &tolapai_map_db,
         [ich8_sata_snb]         = &ich8_map_db,
         [ich8_2port_sata_snb]   = &ich8_2port_map_db,
+        [ich8_2port_sata_byt]   = &ich8_2port_map_db,
 };
 
 static struct pci_bits piix_enable_bits[] = {
@@ -1254,6 +1259,16 @@ static struct ata_port_info piix_port_info[] = {
                 .udma_mask      = ATA_UDMA6,
                 .port_ops       = &piix_sata_ops,
         },
+
+        [ich8_2port_sata_byt] =
+        {
+                .flags          = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR | PIIX_FLAG_PIO16,
+                .pio_mask       = ATA_PIO4,
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA6,
+                .port_ops       = &piix_sata_ops,
+        },
+
 };
 
 #define AHCI_PCI_BAR 5