diff options
Diffstat (limited to 'src/southbridge/amd/amd8111/amd8111_early_ctrl.c')
| -rw-r--r-- | src/southbridge/amd/amd8111/amd8111_early_ctrl.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/southbridge/amd/amd8111/amd8111_early_ctrl.c b/src/southbridge/amd/amd8111/amd8111_early_ctrl.c new file mode 100644 index 0000000000..8a648e8d37 --- /dev/null +++ b/src/southbridge/amd/amd8111/amd8111_early_ctrl.c @@ -0,0 +1,41 @@ +/* by yhlu 2005.10 */ +static void hard_reset(struct sys_info *sysinfo) +{ + device_t dev; + + /* Find the device */ + dev = PCI_DEV(sysinfo->sbbusn, sysinfo->sbdn+1, 3); + + set_bios_reset(); + + /* enable cf9 */ + pci_write_config8(dev, 0x41, 0xf1); + /* reset */ + outb(0x0e, 0x0cf9); +} + +static void enable_fid_change_on_sb(struct sys_info *sysinfo) +{ + device_t dev; + /* Find the device */ + dev = PCI_DEV(sysinfo->sbbusn, sysinfo->sbdn+1, 3); + + pci_write_config8(dev, 0x74, 4); + + /* set VFSMAF ( VID/FID System Management Action Field) to 2 */ + pci_write_config32(dev, 0x70, 2<<12); + +} + +static void soft_reset(struct sys_info *sysinfo) +{ + device_t dev; + + /* Find the device */ + dev = PCI_DEV(sysinfo->sbbusn, sysinfo->sbdn+1, 0); + + set_bios_reset(); + pci_write_config8(dev, 0x47, 1); +} + + |