src/southbridge/amd/amd8111/amd8111_smbus.c

   1 /*
   2  * (C) 2004 Linux Networx
   3  */
   4 #include <console/console.h>
   5 #include <device/device.h>
   6 #include <device/pci.h>
   7 #include <device/pci_ids.h>
   8 #include <device/pci_ops.h>
   9 #include <device/smbus.h>
  10 #include <arch/io.h>
  11 #include "amd8111.h"
  12
  13
  14 static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
  15 {
  16         pci_write_config32(dev, 0x44,
  17                 ((device & 0xffff) << 16) | (vendor & 0xffff));
  18 }
  19
  20 static struct smbus_bus_operations lops_smbus_bus = {
  21         /* I haven't seen the 2.0 SMBUS controller used yet. */
  22 };
  23 static struct pci_operations lops_pci = {
  24         .set_subsystem = lpci_set_subsystem,
  25 };
  26 static struct device_operations smbus_ops = {
  27         .read_resources   = pci_dev_read_resources,
  28         .set_resources    = pci_dev_set_resources,
  29         .enable_resources = pci_dev_enable_resources,
  30         .init             = 0,
  31         .scan_bus         = scan_static_bus,
  32         .enable           = amd8111_enable,
  33         .ops_pci          = &lops_pci,
  34         .ops_smbus_bus    = &lops_smbus_bus,
  35 };
  36
  37 static const struct pci_driver smbus_driver __pci_driver = {
  38         .ops = &smbus_ops,
  39         .vendor = PCI_VENDOR_ID_AMD,
  40         .device = PCI_DEVICE_ID_AMD_8111_SMB,
  41 };