Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / drivers / ide / pci / serverworks.c

diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c
index 82a1103..0d3073f 100644 (file)
--- 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.
  *
@@ -66,11 +69,13 @@ static int check_in_drive_lists (ide_drive_t *drive, const char **list)
 static u8 svwks_ratemask (ide_drive_t *drive)
 {
        struct pci_dev *dev     = HWIF(drive)->pci_dev;
-       u8 mode;
+       u8 mode = 0;
 
        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;
@@ -438,11 +444,18 @@ 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;
 }
 
-static unsigned int __init ata66_svwks_svwks (ide_hwif_t *hwif)
+static unsigned int __devinit ata66_svwks_svwks (ide_hwif_t *hwif)
 {
        return 1;
 }
@@ -454,7 +467,7 @@ static unsigned int __init ata66_svwks_svwks (ide_hwif_t *hwif)
  * Bit 14 clear = primary IDE channel does not have 80-pin cable.
  * Bit 14 set   = primary IDE channel has 80-pin cable.
  */
-static unsigned int __init ata66_svwks_dell (ide_hwif_t *hwif)
+static unsigned int __devinit ata66_svwks_dell (ide_hwif_t *hwif)
 {
        struct pci_dev *dev = hwif->pci_dev;
        if (dev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
@@ -472,7 +485,7 @@ static unsigned int __init ata66_svwks_dell (ide_hwif_t *hwif)
  *
  * WARNING: this only works on Alpine hardware!
  */
-static unsigned int __init ata66_svwks_cobalt (ide_hwif_t *hwif)
+static unsigned int __devinit ata66_svwks_cobalt (ide_hwif_t *hwif)
 {
        struct pci_dev *dev = hwif->pci_dev;
        if (dev->subsystem_vendor == PCI_VENDOR_ID_SUN &&
@@ -483,7 +496,7 @@ static unsigned int __init ata66_svwks_cobalt (ide_hwif_t *hwif)
        return 0;
 }
 
-static unsigned int __init ata66_svwks (ide_hwif_t *hwif)
+static unsigned int __devinit ata66_svwks (ide_hwif_t *hwif)
 {
        struct pci_dev *dev = hwif->pci_dev;
 
@@ -573,7 +586,7 @@ static int __devinit init_setup_svwks (struct pci_dev *dev, ide_pci_device_t *d)
        return ide_setup_pci_device(dev, d);
 }
 
-static int __init init_setup_csb6 (struct pci_dev *dev, ide_pci_device_t *d)
+static int __devinit init_setup_csb6 (struct pci_dev *dev, ide_pci_device_t *d)
 {
        if (!(PCI_FUNC(dev->devfn) & 1)) {
                d->bootable = NEVER_BOARD;
@@ -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);