src/southbridge/intel/i82371eb/i82371eb_smbus.c

   1 /*
   2  * (C) 2004 Linux Networx
   3  * (C) 2005 Bitworks
   4 */
   5
   6 #include <console/console.h>
   7 #include <device/device.h>
   8 #include <device/pci.h>
   9 #include <device/pci_ids.h>
  10 #include <device/pci_ops.h>
  11 #include <device/smbus.h>
  12 #include <arch/io.h>
  13 #include "i82371eb.h"
  14
  15
  16 static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
  17 {
  18         pci_write_config32(dev, 0x44,
  19                 ((device & 0xffff) << 16) | (vendor & 0xffff));
  20 }
  21
  22 static struct smbus_bus_operations lops_smbus_bus = {
  23 };
  24
  25 static struct pci_operations lops_pci = {
  26         .set_subsystem = lpci_set_subsystem,
  27 };
  28 static struct device_operations smbus_ops = {
  29         .read_resources   = pci_dev_read_resources,
  30         .set_resources    = pci_dev_set_resources,
  31         .enable_resources = pci_dev_enable_resources,
  32         .init             = 0,
  33         .scan_bus         = scan_static_bus,
  34         .enable           = i82371eb_enable,
  35         .ops_pci          = &lops_pci,
  36         .ops_smbus_bus    = &lops_smbus_bus,
  37 };
  38
  39 static struct pci_driver smbus_driver __pci_driver = {
  40         .ops = &smbus_ops,
  41         .vendor = PCI_VENDOR_ID_INTEL,
  42         .device = PCI_DEVICE_INTEL_440BX_SMB,
  43 };