Re: [PATCH v2 edk2-platforms 6/8] SgiClark.Ares: AcpiTables: Add entry for virtio network device

[Vijayenthiran Subramaniam <vijayenthiran.subramaniam@arm.com>]

Hi Ard,

This patch is part of the patch series "Platform/ARM/Sgi: Add support for
virtio network device". While other seven patches are merged upstream, this
patch is not yet merged. Please let me know if you have any comments on
this patch.

On Fri, Dec 14, 2018 at 11:28 PM Vijayenthiran Subramaniam <
vijayenthiran.subramaniam@arm.com> wrote:

> SgiClark Ares include an instance of the virtio network device. Add
> a representation for it in the ACPI tables.
>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Vijayenthiran Subramaniam <
> vijayenthiran.subramaniam@arm.com>
> ---
>  Platform/ARM/SgiPkg/AcpiTables/SgiClarkAresAcpiTables.inf |  3 +++
>  Platform/ARM/SgiPkg/AcpiTables/SgiClarkAres/Dsdt.asl      | 17
> +++++++++++++++++
>  2 files changed, 20 insertions(+)
>
> diff --git a/Platform/ARM/SgiPkg/AcpiTables/SgiClarkAresAcpiTables.inf
> b/Platform/ARM/SgiPkg/AcpiTables/SgiClarkAresAcpiTables.inf
> index 10a805e07fd1..d4bacdbc8c85 100644
> --- a/Platform/ARM/SgiPkg/AcpiTables/SgiClarkAresAcpiTables.inf
> +++ b/Platform/ARM/SgiPkg/AcpiTables/SgiClarkAresAcpiTables.inf
> @@ -58,5 +58,8 @@ [FixedPcd]
>    gArmSgiTokenSpaceGuid.PcdVirtioBlkBaseAddress
>    gArmSgiTokenSpaceGuid.PcdVirtioBlkSize
>    gArmSgiTokenSpaceGuid.PcdVirtioBlkInterrupt
> +  gArmSgiTokenSpaceGuid.PcdVirtioNetBaseAddress
> +  gArmSgiTokenSpaceGuid.PcdVirtioNetSize
> +  gArmSgiTokenSpaceGuid.PcdVirtioNetInterrupt
>
>    gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress
> diff --git a/Platform/ARM/SgiPkg/AcpiTables/SgiClarkAres/Dsdt.asl
> b/Platform/ARM/SgiPkg/AcpiTables/SgiClarkAres/Dsdt.asl
> index af4dc424a77c..69dc33c06b4d 100644
> --- a/Platform/ARM/SgiPkg/AcpiTables/SgiClarkAres/Dsdt.asl
> +++ b/Platform/ARM/SgiPkg/AcpiTables/SgiClarkAres/Dsdt.asl
> @@ -118,5 +118,22 @@ DefinitionBlock ("DsdtTable.aml", "DSDT", 1,
> "ARMLTD", "ARMSGI",
>          }
>        })
>      }
> +
> +    // VIRTIO NET
> +    Device (VR01) {
> +      Name (_HID, "LNRO0005")
> +      Name (_UID, 1)
> +      Name (_CCA, 1)    // mark the device coherent
> +
> +      Name (_CRS, ResourceTemplate() {
> +        Memory32Fixed (ReadWrite,
> +          FixedPcdGet32 (PcdVirtioNetBaseAddress),
> +          FixedPcdGet32 (PcdVirtioNetSize)
> +        )
> +        Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) {
> +          FixedPcdGet32 (PcdVirtioNetInterrupt)
> +        }
> +      })
> +    }
>    } // Scope(_SB)
>  }
> --
> 2.7.4
>
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