Hello Edward, Thanks for the patch.
On Wed, 27 Apr 2022 at 10:59, Edward Pickup <edward.pic...@arm.com> wrote: > > When booting Linux on FVP RevC, Linux reports the following error: > > ACPI: IORT: [Firmware Bug]: Root complex missing memory address limit > > This issue is due to the RC Address Limit not being configured in the > configuration manager for the platform. > > The default model parameter is configured to 32, so set this in the > configuration manager, fixing the error. > Why is 32 a suitable value? I would not expect emulated IP to have such a limitation. > Signed-off-by: Edward Pickup <edward.pic...@arm.com> > --- > > The changes can be seen at > https://github.com/edpickup/edk2-platforms/tree/1700_fix_IORT_RC_Addr_Limit_v1 > > > Platform/ARM/VExpressPkg/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c > | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git > a/Platform/ARM/VExpressPkg/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c > > b/Platform/ARM/VExpressPkg/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c > index > 776dec999eb1ef47910835987fa4dae1b69c52fd..560937d7a3addee729148fd6deab2eb82fced9e2 > 100644 > --- > a/Platform/ARM/VExpressPkg/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c > +++ > b/Platform/ARM/VExpressPkg/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c > @@ -312,7 +312,9 @@ EDKII_PLATFORM_REPOSITORY_INFO VExpressPlatRepositoryInfo > = { > // ATS attributes > EFI_ACPI_IORT_ROOT_COMPLEX_ATS_UNSUPPORTED, > // PCI segment number > - 0 > + 0, > + // Memory Address Size Limit > + 32 > }, > > // Array of Device ID mappings > -- > Guid("CE165669-3EF3-493F-B85D-6190EE5B9759") > > IMPORTANT NOTICE: The contents of this email and any attachments are > confidential and may also be privileged. If you are not the intended > recipient, please notify the sender immediately and do not disclose the > contents to any other person, use it for any purpose, or store or copy the > information in any medium. Thank you. -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#89347): https://edk2.groups.io/g/devel/message/89347 Mute This Topic: https://groups.io/mt/90726715/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
