| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ops.h> |
| #include <device/pci_ids.h> |
| |
| static void acpi_init(struct device *dev) |
| { |
| printk(BIOS_DEBUG, "Configuring VIA ACPI\n"); |
| |
| // Set ACPI base address to IO 0x4000 |
| pci_write_config32(dev, 0x48, 0x4001); |
| |
| // Enable ACPI access (and setup like award) |
| pci_write_config8(dev, 0x41, 0x84); |
| |
| // Set hardware monitor base address to IO 0x6000 |
| pci_write_config32(dev, 0x70, 0x6001); |
| |
| // Enable hardware monitor (and setup like award) |
| pci_write_config8(dev, 0x74, 0x01); |
| |
| // set IO base address to 0x5000 |
| pci_write_config32(dev, 0x90, 0x5001); |
| |
| // Enable SMBus |
| pci_write_config8(dev, 0xd2, 0x01); |
| } |
| |
| static struct device_operations acpi_ops = { |
| .read_resources = pci_dev_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| .init = acpi_init, |
| .enable = 0, |
| .ops_pci = 0, |
| }; |
| |
| static const struct pci_driver northbridge_driver __pci_driver = { |
| .ops = &acpi_ops, |
| .vendor = PCI_VENDOR_ID_VIA, |
| .device = PCI_DEVICE_ID_VIA_8231_4, |
| }; |