1 #include <console/console.h>
2 #include <device/device.h>
3 #include <device/pci.h>
4 #include <device/pci_ids.h>
7 void i82801ex_enable(device_t dev)
11 uint16_t reg_old, reg;
13 /* See if we are behind the i82801ex pci bridge */
14 lpc_dev = dev_find_slot(dev->bus->secondary, PCI_DEVFN(0x1f, 0));
15 if((dev->path.pci.devfn &0xf8)== 0xf8) {
16 index = dev->path.pci.devfn & 7;
18 else if((dev->path.pci.devfn &0xf8)== 0xe8) {
19 index = (dev->path.pci.devfn & 7) +8;
21 if ((!lpc_dev) || (index >= 16) || ((1<<index)&0x3091)) {
24 if ((lpc_dev->vendor != PCI_VENDOR_ID_INTEL) ||
25 (lpc_dev->device != PCI_DEVICE_ID_INTEL_82801ER_LPC)) {
27 id = pci_read_config32(lpc_dev, PCI_VENDOR_ID);
28 if (id != (PCI_VENDOR_ID_INTEL |
29 (PCI_DEVICE_ID_INTEL_82801ER_LPC << 16))) {
34 reg = reg_old = pci_read_config16(lpc_dev, 0xf2);
40 pci_write_config16(lpc_dev, 0xf2, reg);
45 struct chip_operations southbridge_intel_i82801ex_ops = {
46 CHIP_NAME("Intel ICH5 (82801Ex) Series Southbridge")
47 .enable_dev = i82801ex_enable,