diff options
Diffstat (limited to 'src/southbridge/amd/sb700')
| -rw-r--r-- | src/southbridge/amd/sb700/early_setup.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/src/southbridge/amd/sb700/early_setup.c b/src/southbridge/amd/sb700/early_setup.c index f7e91207f5..06c6c77365 100644 --- a/src/southbridge/amd/sb700/early_setup.c +++ b/src/southbridge/amd/sb700/early_setup.c @@ -520,26 +520,28 @@ static void sb700_devices_por_init(void) if (!sata_ahci_mode){ #if CONFIG_SOUTHBRIDGE_AMD_SUBTYPE_SP5100 /* SP5100 default SATA mode is RAID5 MODE */ - dev = pci_locate_device(PCI_ID(0x1002, 0x4393), 0); + dev = pci_locate_device(PCI_ID(0x1002, 0x4392), 0); - /* Set SATA Operation Mode, Set to IDE mode */ - byte = pci_read_config8(dev, 0x40); - byte |= (1 << 0); - pci_write_config8(dev, 0x40, byte); + if (dev != PCI_DEV_INVALID) { + /* Set SATA Operation Mode, Set to IDE mode */ + byte = pci_read_config8(dev, 0x40); + byte |= (1 << 0); + pci_write_config8(dev, 0x40, byte); - dword = 0x01018f00; - pci_write_config32(dev, 0x8, dword); + dword = 0x01018f00; + pci_write_config32(dev, 0x8, dword); - /* set SATA Device ID writable */ - dword = pci_read_config32(dev, 0x40); - dword &= ~(1 << 24); - pci_write_config32(dev, 0x40, dword); + /* set SATA Device ID writable */ + dword = pci_read_config32(dev, 0x40); + dword &= ~(1 << 24); + pci_write_config32(dev, 0x40, dword); - /* set Device ID consistent with IDE emulation mode configuration */ - pci_write_config32(dev, 0x0, 0x43901002); + /* set Device ID consistent with IDE emulation mode configuration */ + pci_write_config32(dev, 0x0, 0x43901002); - /* rpr v2.13 4.17 Reset CPU on Sync Flood */ - abcfg_reg(0x10050, 1 << 2, 1 << 2); + /* rpr v2.13 4.17 Reset CPU on Sync Flood */ + abcfg_reg(0x10050, 1 << 2, 1 << 2); + } #endif } |