diff mbox series

[2/2] AHCI: Add support for Loongson 7A1000 SATA controller

Message ID 1583844608-30029-2-git-send-email-yangtiezhu@loongson.cn (mailing list archive)
State Not Applicable, archived
Headers show
Series [1/2] PCI: Add Loongson vendor ID | expand

Commit Message

Tiezhu Yang March 10, 2020, 12:50 p.m. UTC 
Loongson 7A1000 SATA controller uses BAR0 as the base address register.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
---
 drivers/ata/ahci.c | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Jens Axboe March 12, 2020, 1:44 p.m. UTC | #1 
On 3/10/20 6:50 AM, Tiezhu Yang wrote:
> Loongson 7A1000 SATA controller uses BAR0 as the base address register.

Applied with the pci vendor addition for 5.7, thanks.
diff mbox series

Patch

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 */