diff options
Diffstat (limited to 'drivers/ide/pci/aec62xx.c')
| -rw-r--r-- | drivers/ide/pci/aec62xx.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c index a21b1e11eef..c743e68c33a 100644 --- a/drivers/ide/pci/aec62xx.c +++ b/drivers/ide/pci/aec62xx.c @@ -262,6 +262,21 @@ static unsigned int __devinit init_chipset_aec62xx(struct pci_dev *dev, const ch else pci_set_drvdata(dev, (void *) aec6xxx_34_base); + /* These are necessary to get AEC6280 Macintosh cards to work */ + if ((dev->device == PCI_DEVICE_ID_ARTOP_ATP865) || + (dev->device == PCI_DEVICE_ID_ARTOP_ATP865R)) { + u8 reg49h = 0, reg4ah = 0; + /* Clear reset and test bits. */ + pci_read_config_byte(dev, 0x49, ®49h); + pci_write_config_byte(dev, 0x49, reg49h & ~0x30); + /* Enable chip interrupt output. */ + pci_read_config_byte(dev, 0x4a, ®4ah); + pci_write_config_byte(dev, 0x4a, reg4ah & ~0x01); + /* Enable burst mode. */ + pci_read_config_byte(dev, 0x4a, ®4ah); + pci_write_config_byte(dev, 0x4a, reg4ah | 0x80); + } + return dev->irq; } |