From: Radha Mohan Chintakuntla <[email protected]>

This patch adds support for Cavium's fifth generation SATA controller.
It is an on-chip controller and complies with AHCI 1.3.1. As the
controller uses 64-bit addresses it cannot use the standard AHCI BAR5
and so uses BAR4.

Signed-off-by: Radha Mohan Chintakuntla <[email protected]>
---
 drivers/ata/ahci.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 9f78bb0..5443cb7 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -57,6 +57,7 @@ enum {
        AHCI_PCI_BAR_STA2X11    = 0,
        AHCI_PCI_BAR_CAVIUM     = 0,
        AHCI_PCI_BAR_ENMOTUS    = 2,
+       AHCI_PCI_BAR_CAVIUM_GEN5        = 4,
        AHCI_PCI_BAR_STANDARD   = 5,
 };
 
@@ -1570,8 +1571,12 @@ static int ahci_init_one(struct pci_dev *pdev, const 
struct pci_device_id *ent)
                ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
        else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
                ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
-       else if (pdev->vendor == 0x177d && pdev->device == 0xa01c)
-               ahci_pci_bar = AHCI_PCI_BAR_CAVIUM;
+       else if (pdev->vendor == PCI_VENDOR_ID_CAVIUM) {
+               if (pdev->device == 0xa01c)
+                       ahci_pci_bar = AHCI_PCI_BAR_CAVIUM;
+               if (pdev->device == 0xa084)
+                       ahci_pci_bar = AHCI_PCI_BAR_CAVIUM_GEN5;
+       }
 
        /* acquire resources */
        rc = pcim_enable_device(pdev);
-- 
1.7.1

Reply via email to