[PATCH 1/1] ahci: Add support for Amazon's Annapurna Labs SATA controller

From: Hanna Hawa
Date: Thu Oct 17 2019 - 10:47:18 EST


This patch adds basic support for Amazon's Annapurna Labs SATA
controller.

Signed-off-by: Hanna Hawa <hhhawa@xxxxxxxxxx>
---
drivers/ata/ahci.c | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index dd92faf197d5..8ac7e806aa97 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -56,6 +56,7 @@ enum board_ids {
board_ahci_yes_fbs,

/* board IDs for specific chipsets in alphabetical order */
+ board_ahci_al,
board_ahci_avn,
board_ahci_mcp65,
board_ahci_mcp77,
@@ -167,6 +168,13 @@ static const struct ata_port_info ahci_port_info[] = {
.port_ops = &ahci_ops,
},
/* by chipsets */
+ [board_ahci_al] = {
+ AHCI_HFLAGS (AHCI_HFLAG_NO_PMP | AHCI_HFLAG_NO_MSI),
+ .flags = AHCI_FLAG_COMMON,
+ .pio_mask = ATA_PIO4,
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &ahci_ops,
+ },
[board_ahci_avn] = {
.flags = AHCI_FLAG_COMMON,
.pio_mask = ATA_PIO4,
@@ -415,6 +423,11 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */
{ PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */

+ /* Amazon's Annapurna Labs support */
+ { PCI_DEVICE(PCI_VENDOR_ID_AMAZON_ANNAPURNA_LABS, 0x0031),
+ .class = PCI_CLASS_STORAGE_SATA_AHCI,
+ .class_mask = 0xffffff,
+ board_ahci_al },
/* AMD */
{ PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
{ PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */
--
2.17.1