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-rw-r--r--src/southbridge/intel/lynxpoint/Kconfig4
-rw-r--r--src/southbridge/intel/lynxpoint/pcie.c7
2 files changed, 9 insertions, 2 deletions
diff --git a/src/southbridge/intel/lynxpoint/Kconfig b/src/southbridge/intel/lynxpoint/Kconfig
index c104cbb3b8..43f8bceb91 100644
--- a/src/southbridge/intel/lynxpoint/Kconfig
+++ b/src/southbridge/intel/lynxpoint/Kconfig
@@ -58,4 +58,8 @@ config FINALIZE_USB_ROUTE_XHCI
If you set this option to y, the USB ports will be routed
to the XHCI controller during the finalize SMM callback.
+config PCIEXP_AER
+ bool
+ default y
+
endif
diff --git a/src/southbridge/intel/lynxpoint/pcie.c b/src/southbridge/intel/lynxpoint/pcie.c
index 35ce5c4702..077dcd6573 100644
--- a/src/southbridge/intel/lynxpoint/pcie.c
+++ b/src/southbridge/intel/lynxpoint/pcie.c
@@ -670,8 +670,11 @@ static void pch_pcie_early(struct device *dev)
/* Set EOI forwarding disable. */
pci_or_config32(dev, 0xd4, 1 << 1);
- /* Set something involving advanced error reporting. */
- pci_update_config32(dev, 0x100, ~((1 << 20) - 1), 0x10001);
+ /* Set AER Extended Cap ID to 01h and Next Cap Pointer to 200h. */
+ if (CONFIG(PCIEXP_AER))
+ pci_update_config32(dev, 0x100, ~0xfffff, (1 << 29) | 0x10001);
+ else
+ pci_update_config32(dev, 0x100, ~0xfffff, (1 << 29));
if (is_lp)
pci_or_config32(dev, 0x100, 1 << 29);