src/southbridge/amd/amd8111/amd8111_early_ctrl.c

   1 /* by yhlu 2005.10 */
   2 static void hard_reset(struct sys_info *sysinfo)
   3 {
   4         device_t dev;
   5
   6         /* Find the device */
   7         dev = PCI_DEV(sysinfo->sbbusn, sysinfo->sbdn+1, 3);
   8
   9         set_bios_reset();
  10
  11         /* enable cf9 */
  12         pci_write_config8(dev, 0x41, 0xf1);
  13         /* reset */
  14         outb(0x0e, 0x0cf9);
  15 }
  16
  17 static void enable_fid_change_on_sb(struct sys_info *sysinfo)
  18 {
  19         device_t dev;
  20         /* Find the device */
  21         dev = PCI_DEV(sysinfo->sbbusn, sysinfo->sbdn+1, 3);
  22
  23         pci_write_config8(dev, 0x74, 4);
  24
  25         /* set VFSMAF ( VID/FID System Management Action Field) to 2 */
  26         pci_write_config32(dev, 0x70, 2<<12);
  27
  28 }
  29
  30 static void soft_reset(struct sys_info *sysinfo)
  31 {
  32         device_t dev;
  33
  34         /* Find the device */
  35         dev = PCI_DEV(sysinfo->sbbusn, sysinfo->sbdn+1, 0);
  36
  37         set_bios_reset();
  38         pci_write_config8(dev, 0x47, 1);
  39 }
  40
  41