diff options
Diffstat (limited to 'src/southbridge/intel/i82801ex/pci.c')
| -rw-r--r-- | src/southbridge/intel/i82801ex/pci.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/southbridge/intel/i82801ex/pci.c b/src/southbridge/intel/i82801ex/pci.c new file mode 100644 index 0000000000..80c6e49bc0 --- /dev/null +++ b/src/southbridge/intel/i82801ex/pci.c @@ -0,0 +1,45 @@ +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include "i82801ex.h" + +static void pci_init(struct device *dev) +{ + uint16_t word; + + /* Clear system errors */ + word = pci_read_config16(dev, 0x06); + word |= 0xf900; /* Clear possible errors */ + pci_write_config16(dev, 0x06, word); + +#if 0 + /* System error enable */ + uint32_t dword; + dword = pci_read_config32(dev, 0x04); + dword |= (1<<8); /* SERR# Enable */ + dword |= (1<<6); /* Parity Error Response */ + pci_write_config32(dev, 0x04, dword); +#endif + + word = pci_read_config16(dev, 0x1e); + word |= 0xf800; /* Clear possible errors */ + pci_write_config16(dev, 0x1e, word); +} + +static struct device_operations pci_ops = { + .read_resources = pci_bus_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_bus_enable_resources, + .init = pci_init, + .scan_bus = pci_scan_bridge, + .ops_pci = 0, +}; + +static const struct pci_driver pci_driver __pci_driver = { + .ops = &pci_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_82801ER_PCI, +}; + |