Silicon does not support standard AHCI BAR assignment. Add
vendor/device exception to force BAR 2.
Signed-off-by: Hugh Daschbach <hugh.daschbach@xxxxxxxxxxx>
---
drivers/ata/ahci.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 7862d17..3cb008f 100644
--- 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,
};
@@ -410,6 +411,9 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
{ PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
+ /* 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 },
@@ -1101,6 +1105,8 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
/* The Connext uses non-standard BAR */
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);
--
1.7.11.7
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