diff options
Diffstat (limited to 'src/cpu/amd')
| -rw-r--r-- | src/cpu/amd/agesa/amd_late_init.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/cpu/amd/agesa/amd_late_init.c b/src/cpu/amd/agesa/amd_late_init.c index f893741528..c8b941d634 100644 --- a/src/cpu/amd/agesa/amd_late_init.c +++ b/src/cpu/amd/agesa/amd_late_init.c @@ -43,6 +43,20 @@ static void agesawrapper_post_device(void *unused) /* Preparation for write_tables(). */ get_bus_conf(); +#if IS_ENABLED(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY_16KB) + device_t dev; + u32 value; + dev = dev_find_slot(0, PCI_DEVFN(0, 0)); /* clear IoapicSbFeatureEn */ + pci_write_config32(dev, 0xF8, 0); + pci_write_config32(dev, 0xFC, 5); /* TODO: move it to dsdt.asl */ + + /* disable No Snoop */ + dev = dev_find_slot(0, PCI_DEVFN(1, 1)); + value = pci_read_config32(dev, 0x60); + value &= ~(1 << 11); + pci_write_config32(dev, 0x60, value); +#endif + #if IS_ENABLED(CONFIG_HUDSON_IMC_FWM) /* AMD AGESA does not enable thermal zone, so we enable it here. */ enable_imc_thermal_zone(); |