[edk2-devel] [PATCH 1/5] ArmPkg: Allow platforms to override PCI supported state in SmbiosMiscDxe

[Leif Lindholm]

On Tue, Mar 30, 2021 at 20:16:15 -0600, Rebecca Cran wrote:
> Not all platforms support PCI, so introduce a PCD to allow platforms to
> specify whether they support it.

Are we planning to add one?
If not, I'd rather skip this until we do.
These days, I would expect any platform providing SMBIOS tables to
have PCI.

No further comments on this set.

/
    Leif

> Signed-off-by: Rebecca Cran <rebecca at nuviainc.com>
> ---
>  ArmPkg/ArmPkg.dec                                                     | 1 +
>  ArmPkg/Universal/Smbios/SmbiosMiscDxe/SmbiosMiscDxe.inf               | 1 +
>  ArmPkg/Universal/Smbios/SmbiosMiscDxe/Type00/MiscBiosVendorFunction.c | 4 ++++
>  3 files changed, 6 insertions(+)
> 
> diff --git a/ArmPkg/ArmPkg.dec b/ArmPkg/ArmPkg.dec
> index a8a22c649ff8..51ac2191c85a 100644
> --- a/ArmPkg/ArmPkg.dec
> +++ b/ArmPkg/ArmPkg.dec
> @@ -125,6 +125,7 @@ [PcdsFixedAtBuild.common]
>    #
>    # SMBIOS PCDs
>    #
> +  gArmTokenSpaceGuid.PcdPlatformSupportsPCI|TRUE|BOOLEAN|0x30000052
>    gArmTokenSpaceGuid.PcdSystemProductName|L""|VOID*|0x30000053
>    gArmTokenSpaceGuid.PcdSystemVersion|L""|VOID*|0x30000054
>    gArmTokenSpaceGuid.PcdBaseBoardManufacturer|L""|VOID*|0x30000055
> diff --git a/ArmPkg/Universal/Smbios/SmbiosMiscDxe/SmbiosMiscDxe.inf b/ArmPkg/Universal/Smbios/SmbiosMiscDxe/SmbiosMiscDxe.inf
> index 60d8fe31c219..ebc4c99ac436 100644
> --- a/ArmPkg/Universal/Smbios/SmbiosMiscDxe/SmbiosMiscDxe.inf
> +++ b/ArmPkg/Universal/Smbios/SmbiosMiscDxe/SmbiosMiscDxe.inf
> @@ -71,6 +71,7 @@ [Pcd]
>    gArmTokenSpaceGuid.PcdFdSize
>    gEfiMdeModulePkgTokenSpaceGuid.PcdFirmwareVendor
>    gEfiMdeModulePkgTokenSpaceGuid.PcdFirmwareVersionString
> +  gArmTokenSpaceGuid.PcdPlatformSupportsPCI
>    gArmTokenSpaceGuid.PcdSystemBiosRelease
>    gArmTokenSpaceGuid.PcdEmbeddedControllerFirmwareRelease
>    gArmTokenSpaceGuid.PcdSystemProductName
> diff --git a/ArmPkg/Universal/Smbios/SmbiosMiscDxe/Type00/MiscBiosVendorFunction.c b/ArmPkg/Universal/Smbios/SmbiosMiscDxe/Type00/MiscBiosVendorFunction.c
> index 5aea32521bd3..a06f814aeb7c 100644
> --- a/ArmPkg/Universal/Smbios/SmbiosMiscDxe/Type00/MiscBiosVendorFunction.c
> +++ b/ArmPkg/Universal/Smbios/SmbiosMiscDxe/Type00/MiscBiosVendorFunction.c
> @@ -13,6 +13,7 @@
>  #include <Library/DebugLib.h>
>  #include <Library/HiiLib.h>
>  #include <Library/MemoryAllocationLib.h>
> +#include <Library/PcdLib.h>
>  #include <Library/PrintLib.h>
>  #include <Library/UefiBootServicesTableLib.h>
>  
> @@ -264,6 +265,9 @@ SMBIOS_MISC_TABLE_FUNCTION (MiscBiosVendor)
>    UnicodeStrToAsciiStrS (Version, StrStart, VerStrLen + 1);
>    StrStart += VerStrLen + 1;
>    UnicodeStrToAsciiStrS (ReleaseDate, StrStart, DateStrLen + 1);
> +
> +  SmbiosRecord->BiosCharacteristics.PciIsSupported = FixedPcdGetBool (PcdPlatformSupportsPCI);
> +
>    //
>    // Now we have got the full smbios record, call smbios protocol to add this record.
>    //
> -- 
> 2.26.2
> 


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