- /* IDE: we map it as in ISA mode */
- pci_set_io_region_addr(d, 0, 0x1f0);
- pci_set_io_region_addr(d, 1, 0x3f4);
- pci_set_io_region_addr(d, 2, 0x170);
- pci_set_io_region_addr(d, 3, 0x374);
+ vendor_id = pci_config_readw(d, PCI_VENDOR_ID);
+ device_id = pci_config_readw(d, PCI_DEVICE_ID);
+ if (vendor_id == 0x8086 && device_id == 0x7010) {
+ /* PIIX3 IDE */
+ pci_config_writew(d, PCI_COMMAND, PCI_COMMAND_IO);
+ pci_config_writew(d, 0x40, 0x8000); // enable IDE0
+ } else {
+ /* IDE: we map it as in ISA mode */
+ pci_set_io_region_addr(d, 0, 0x1f0);
+ pci_set_io_region_addr(d, 1, 0x3f4);
+ pci_set_io_region_addr(d, 2, 0x170);
+ pci_set_io_region_addr(d, 3, 0x374);
+ }