diff options
| author | Hugh Daschbach <hugh.daschbach@enmotus.com> | 2013-01-04 14:39:09 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-27 20:47:42 -0800 |
| commit | d027bb39240aa55b86738508fb5612b9125a886f (patch) | |
| tree | 61fcbb19fdaefabf6eb4bbf2a7783aadbdf4467d | |
| parent | aa824d5b726d7d7d90331bcacc7807b83f02fa54 (diff) | |
libata: ahci: Add support for Enmotus Bobcat device.
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>
| -rw-r--r-- | drivers/ata/ahci.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 93cbc4484cc..5d0fb6b5188 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, }; @@ -407,6 +408,9 @@ static const struct pci_device_id ahci_pci_tbl[] = { /* 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 *pdev, const struct pci_device_id *ent) 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); |