diff options
| -rw-r--r-- | src/southbridge/intel/lynxpoint/pcie.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/southbridge/intel/lynxpoint/pcie.c b/src/southbridge/intel/lynxpoint/pcie.c index 077dcd6573..2da14ed5f0 100644 --- a/src/southbridge/intel/lynxpoint/pcie.c +++ b/src/southbridge/intel/lynxpoint/pcie.c @@ -676,6 +676,12 @@ static void pch_pcie_early(struct device *dev) else pci_update_config32(dev, 0x100, ~0xfffff, (1 << 29)); + /* Set L1 Sub-State Cap ID to 1Eh and Next Cap Pointer to None. */ + if (CONFIG(PCIEXP_L1_SUB_STATE)) + pci_update_config32(dev, 0x200, ~0xfffff, 0x001e); + else + pci_update_config32(dev, 0x200, ~0xfffff, 0); + if (is_lp) pci_or_config32(dev, 0x100, 1 << 29); |