diff options
| -rw-r--r-- | src/soc/intel/broadwell/pcie.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/soc/intel/broadwell/pcie.c b/src/soc/intel/broadwell/pcie.c index 4e5bbfa015..10b623098b 100644 --- a/src/soc/intel/broadwell/pcie.c +++ b/src/soc/intel/broadwell/pcie.c @@ -558,9 +558,12 @@ static void pch_pcie_early(struct device *dev) pcie_update_cfg8(dev, 0xf5, 0x0f, 0); - /* Set Extended Capability to offset 200h and Advanced Error Report. */ + /* Set AER Extended Cap ID to 01h and Next Cap Pointer to 200h. */ pcie_update_cfg(dev, 0x100, ~(1 << 29) & ~0xfffff, (1 << 29) | 0x10001); + /* Set L1 Sub-State Cap ID to 1Eh and Next Cap Pointer to None. */ + pcie_update_cfg(dev, 0x200, ~0xffff, 0x001e); + pcie_update_cfg(dev, 0x320, ~(3 << 20) & ~(7 << 6), (1 << 20) | (3 << 6)); /* Enable Relaxed Order from Root Port. */ |