diff options
Diffstat (limited to 'src/southbridge')
| -rw-r--r-- | src/southbridge/amd/sb700/early_setup.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/southbridge/amd/sb700/early_setup.c b/src/southbridge/amd/sb700/early_setup.c index c890ad90d3..648b0d9d78 100644 --- a/src/southbridge/amd/sb700/early_setup.c +++ b/src/southbridge/amd/sb700/early_setup.c @@ -420,6 +420,14 @@ static void sb700_devices_por_init(void) byte |= 0x24; pci_write_config8(dev, 0x62, byte); + /* Configure HPET Counter CLK period */ + byte = pci_read_config8(dev, 0x43); + byte &= 0xF7; /* unhide HPET regs */ + pci_write_config8(dev, 0x43, byte); + pci_write_config32(dev, 0x34, 0x0429B17E ); /* Counter CLK period */ + byte |= 0x08; /* hide HPET regs */ + pci_write_config8(dev, 0x43, byte); + /* Features Enable */ pci_write_config32(dev, 0x64, 0x829E79BF); /* bit10: Enables the HPET interrupt. */ |