UefiPayloadPkg: assert error in PciHostBridgeDxe

King Sumo


When booting UefiPayloadPkg in my system (x86 Denverton SoC, coreboot) an assert error is generated in the PciHostBridgeDxe driver.
In the InitializePciHostBridge() function if all ASSERT's are ignored (by commenting out the code) the boot can move further on until it reaches the UEFI Shell.
Any clues?

Loading driver at 0x0007EE61000 EntryPoint=0x0007EE6CF52 PciHostBridgeDxe.efi
InstallProtocolInterface: BC62157E-3E33-4FEC-9920-2D3B36D750DF 7EF1F698
ProtectUefiImageCommon - 0x7EF1F140
  - 0x000000007EE61000 - 0x0000000000013000
SetUefiImageMemoryAttributes - 0x000000007EE61000 - 0x0000000000001000 (0x0000000000004008)
SetUefiImageMemoryAttributes - 0x000000007EE62000 - 0x0000000000010000 (0x0000000000020008)
SetUefiImageMemoryAttributes - 0x000000007EE72000 - 0x0000000000002000 (0x0000000000004008)
InitRootBridge: populated root bus 0, with room for 7 subordinate bus(es)
RootBridge: PciRoot(0x0)
  Support/Attr: 10003 / 10003
    DmaAbove4G: No
NoExtConfSpace: No
     AllocAttr: 0 ()
           Bus: 0 - 7 Translation=0
            Io: 0 - 4FFF Translation=0
           Mem: D4000000 - FE0FFFFF Translation=0
    MemAbove4G: FFFFFFFFFFFFFFFF - 0 Translation=0
          PMem: FFFFFFFFFFFFFFFF - 0 Translation=0
   PMemAbove4G: FFFFFFFFFFFFFFFF - 0 Translation=0
PciHostBridgeDxe: IntersectMemoryDescriptor: desc [E0000000, F0000000) type 1 cap 870000000002600F conflicts with aperture [D4000000, FE100000) cap 1
ASSERT_EFI_ERROR (Status = Invalid Parameter)
ASSERT [PciHostBridgeDxe] /home/lxuser/occ/edk2/MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridge.c(488): !EFI_ERROR (Status)


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