diff options
| author |   Tiezhu Yang <yangtiezhu@loongson.cn> | 2020-03-10 20:50:08 +0800 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2020-03-12 07:44:19 -0600 |
| commit | e49bd683e00bcc636bf2df79d4c8a0bda0314dc0 (patch) | |
| tree | 8ca6ed5a8a7521533a42db3cc5e7ec00bf046087 /drivers/ata | |
| parent | PCI: Add Loongson vendor ID (diff) | |
| download | wireguard-linux-e49bd683e00bcc636bf2df79d4c8a0bda0314dc0.tar.xz wireguard-linux-e49bd683e00bcc636bf2df79d4c8a0bda0314dc0.zip | |
AHCI: Add support for Loongson 7A1000 SATA controller
Loongson 7A1000 SATA controller uses BAR0 as the base address register.
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/ahci.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 11ea1aff40db..33d051a22ea6 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -40,6 +40,7 @@ enum { AHCI_PCI_BAR_STA2X11 = 0, AHCI_PCI_BAR_CAVIUM = 0, + AHCI_PCI_BAR_LOONGSON = 0, AHCI_PCI_BAR_ENMOTUS = 2, AHCI_PCI_BAR_CAVIUM_GEN5 = 4, AHCI_PCI_BAR_STANDARD = 5, @@ -589,6 +590,9 @@ static const struct pci_device_id ahci_pci_tbl[] = { /* Enmotus */ { PCI_DEVICE(0x1c44, 0x8000), board_ahci }, + /* Loongson */ + { PCI_VDEVICE(LOONGSON, 0x7a08), 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 }, @@ -1680,6 +1684,9 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) ahci_pci_bar = AHCI_PCI_BAR_CAVIUM; if (pdev->device == 0xa084) ahci_pci_bar = AHCI_PCI_BAR_CAVIUM_GEN5; + } else if (pdev->vendor == PCI_VENDOR_ID_LOONGSON) { + if (pdev->device == 0x7a08) + ahci_pci_bar = AHCI_PCI_BAR_LOONGSON; } /* acquire resources */ |