diff options
| author | Stefan Reinauer <stepan@openbios.org> | 2005-12-02 21:52:30 +0000 |
|---|---|---|
| committer | Stefan Reinauer <stepan@openbios.org> | 2005-12-02 21:52:30 +0000 |
| commit | 7ce8c54e2ba89059d28790550a8f74907b54b916 (patch) | |
| tree | e89df947fbe9e3f85d6082af6926038e9fe8e61a /src/southbridge/amd | |
| parent | c2455dc0ce210b3da2b14be8885803ff47a781eb (diff) | |
| download | coreboot-7ce8c54e2ba89059d28790550a8f74907b54b916.tar.xz | |
1201_ht_bus0_dev0_fidvid_core.diff
https://openbios.org/roundup/linuxbios/issue41
Lord have mercy upon us.
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2118 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/amd')
| -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); +} + + |