--- /dev/null
+From 7f9c9f8e24590e7dcd26ca408458c43df5b83e61 Mon Sep 17 00:00:00 2001
+From: Hugh Daschbach <hugh.daschbach@enmotus.com>
+Date: Fri, 4 Jan 2013 14:39:09 -0800
+Subject: libata: ahci: Add support for Enmotus Bobcat device.
+
+From: Hugh Daschbach <hugh.daschbach@enmotus.com>
+
+commit 7f9c9f8e24590e7dcd26ca408458c43df5b83e61 upstream.
+
+Silicon does not support standard AHCI BAR assignment. Add
+vendor/device exception to force BAR 2.
+
+Signed-off-by: Hugh Daschbach <hugh.daschbach@enmotus.com>
+Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+---
+ drivers/ata/ahci.c | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+--- a/drivers/ata/ahci.c
++++ b/drivers/ata/ahci.c
+@@ -53,6 +53,7 @@
+
+ enum {
+ AHCI_PCI_BAR_STA2X11 = 0,
++ AHCI_PCI_BAR_ENMOTUS = 2,
+ AHCI_PCI_BAR_STANDARD = 5,
+ };
+
+@@ -407,6 +408,9 @@ static const struct pci_device_id ahci_p
+ /* Asmedia */
+ { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1061 */
+
++ /* Enmotus */
++ { PCI_DEVICE(0x1c44, 0x8000), board_ahci },
++
+ /* Generic, PCI class code for AHCI */
+ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+ PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
+@@ -1079,9 +1083,11 @@ static int ahci_init_one(struct pci_dev
+ dev_info(&pdev->dev,
+ "PDC42819 can only drive SATA devices with this driver\n");
+
+- /* The Connext uses non-standard BAR */
++ /* Both Connext and Enmotus devices use non-standard BARs */
+ if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
+ ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
++ else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
++ ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
+
+ /* acquire resources */
+ rc = pcim_enable_device(pdev);