From: Tiezhu Yang Date: Tue, 10 Mar 2020 12:50:08 +0000 (+0800) Subject: AHCI: Add support for Loongson 7A1000 SATA controller X-Git-Tag: v5.15~4258^2~33 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e49bd683e00bcc636bf2df79d4c8a0bda0314dc0;p=platform%2Fkernel%2Flinux-starfive.git AHCI: Add support for Loongson 7A1000 SATA controller Loongson 7A1000 SATA controller uses BAR0 as the base address register. Signed-off-by: Tiezhu Yang Signed-off-by: Jens Axboe --- diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 11ea1af..33d051a 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 */