diff options
Diffstat (limited to 'drivers/ata/pata_mpiix.c')
| -rw-r--r-- | drivers/ata/pata_mpiix.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/ata/pata_mpiix.c b/drivers/ata/pata_mpiix.c index cb78b7bfe143..d5483087a3fa 100644 --- a/drivers/ata/pata_mpiix.c +++ b/drivers/ata/pata_mpiix.c @@ -201,7 +201,7 @@ static int mpiix_init_one(struct pci_dev *dev, const struct pci_device_id *id) struct ata_port *ap; void __iomem *cmd_addr, *ctl_addr; u16 idetim; - int irq; + int cmd, ctl, irq; if (!printed_version++) dev_printk(KERN_DEBUG, &dev->dev, "version " DRV_VERSION "\n"); @@ -209,6 +209,7 @@ static int mpiix_init_one(struct pci_dev *dev, const struct pci_device_id *id) host = ata_host_alloc(&dev->dev, 1); if (!host) return -ENOMEM; + ap = host->ports[0]; /* MPIIX has many functions which can be turned on or off according to other devices present. Make sure IDE is enabled before we try @@ -220,25 +221,28 @@ static int mpiix_init_one(struct pci_dev *dev, const struct pci_device_id *id) /* See if it's primary or secondary channel... */ if (!(idetim & SECONDARY)) { + cmd = 0x1F0; + ctl = 0x3F6; irq = 14; - cmd_addr = devm_ioport_map(&dev->dev, 0x1F0, 8); - ctl_addr = devm_ioport_map(&dev->dev, 0x3F6, 1); } else { + cmd = 0x170; + ctl = 0x376; irq = 15; - cmd_addr = devm_ioport_map(&dev->dev, 0x170, 8); - ctl_addr = devm_ioport_map(&dev->dev, 0x376, 1); } + cmd_addr = devm_ioport_map(&dev->dev, cmd, 8); + ctl_addr = devm_ioport_map(&dev->dev, ctl, 1); if (!cmd_addr || !ctl_addr) return -ENOMEM; + ata_port_desc(ap, "cmd 0x%x ctl 0x%x", cmd, ctl); + /* We do our own plumbing to avoid leaking special cases for whacko ancient hardware into the core code. There are two issues to worry about. #1 The chip is a bridge so if in legacy mode and without BARs set fools the setup. #2 If you pci_disable_device the MPIIX your box goes castors up */ - ap = host->ports[0]; ap->ops = &mpiix_port_ops; ap->pio_mask = 0x1F; ap->flags |= ATA_FLAG_SLAVE_POSS; |