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path: root/drivers/ata/pata_mpiix.c
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Diffstat (limited to 'drivers/ata/pata_mpiix.c')
-rw-r--r--drivers/ata/pata_mpiix.c16
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;