1 files changed, 23 insertions, 0 deletions

diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c
index c6f5fa4b4ca..ff2e217a8c8 100644
--- a/drivers/ide/pci/serverworks.c
+++ b/drivers/ide/pci/serverworks.c
@@ -21,6 +21,9 @@
  *
  *   CSB6: `Champion South Bridge' IDE Interface (optional: third channel)
  *
+ *   HT1000: AKA BCM5785 - Hypertransport Southbridge for Opteron systems. IDE
+ *   controller same as the CSB6. Single channel ATA100 only.
+ *
  * Documentation:
  *      Available under NDA only. Errata info very hard to get.
  *
@@ -71,6 +74,8 @@ static u8 svwks_ratemask (ide_drive_t *drive)
         if (!svwks_revision)
                 pci_read_config_byte(dev, PCI_REVISION_ID, &svwks_revision);
 
+        if (dev->device == PCI_DEVICE_ID_SERVERWORKS_HT1000IDE)
+                return 2;
         if (dev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4IDE) {
                 u32 reg = 0;
                 if (isa_dev)
@@ -109,6 +114,7 @@ static u8 svwks_csb_check (struct pci_dev *dev)
                 case PCI_DEVICE_ID_SERVERWORKS_CSB5IDE:
                 case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE:
                 case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2:
+                case PCI_DEVICE_ID_SERVERWORKS_HT1000IDE:
                         return 1;
                 default:
                         break;
@@ -438,6 +444,13 @@ static unsigned int __devinit init_chipset_svwks (struct pci_dev *dev, const cha
                         btr |= (svwks_revision >= SVWKS_CSB5_REVISION_NEW) ? 0x3 : 0x2;
                 pci_write_config_byte(dev, 0x5A, btr);
         }
+        /* Setup HT1000 SouthBridge Controller - Single Channel Only */
+        else if (dev->device == PCI_DEVICE_ID_SERVERWORKS_HT1000IDE) {
+                pci_read_config_byte(dev, 0x5A, &btr);
+                btr &= ~0x40;
+                btr |= 0x3;
+                pci_write_config_byte(dev, 0x5A, btr);
+        }
 
         return (dev->irq) ? dev->irq : 0;
 }
@@ -629,6 +642,15 @@ static ide_pci_device_t serverworks_chipsets[] __devinitdata = {
                 .channels       = 1,    /* 2 */
                 .autodma        = AUTODMA,
                 .bootable       = ON_BOARD,
+        },{     /* 4 */
+                .name           = "SvrWks HT1000",
+                .init_setup     = init_setup_svwks,
+                .init_chipset   = init_chipset_svwks,
+                .init_hwif      = init_hwif_svwks,
+                .init_dma       = init_dma_svwks,
+                .channels       = 1,    /* 2 */
+                .autodma        = AUTODMA,
+                .bootable       = ON_BOARD,
         }
 };
 
@@ -653,6 +675,7 @@ static struct pci_device_id svwks_pci_tbl[] = {
         { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
         { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
         { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
+        { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT1000IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
         { 0, },
 };
 MODULE_DEVICE_TABLE(pci, svwks_pci_tbl);