[edk2-devel] [PATCH 2/3] Platform/RaspberryPi/AcpiTables: Add further named components

[Samer El-Haj-Mahmoud]

+ Ard's new e-mail address

> -----Original Message-----
> From: Jeremy Linton <jeremy.linton at arm.com>
> Sent: Thursday, April 8, 2021 1:59 AM
> To: devel at edk2.groups.io
> Cc: Ard Biesheuvel <Ard.Biesheuvel at arm.com>; leif at nuviainc.com;
> pete at akeo.ie; Samer El-Haj-Mahmoud <Samer.El-Haj-
> Mahmoud at arm.com>; Andrei Warkentin (awarkentin at vmware.com)
> <awarkentin at vmware.com>; Jeremy Linton <Jeremy.Linton at arm.com>
> Subject: [PATCH 2/3] Platform/RaspberryPi/AcpiTables: Add further named
> components
>
> Add some additional IORT nodes for the USB & EMMC devices, realistically
> we probably only need to have a single node with the lowest
> AddressSizeLimit
> but this is conceptually "cleaner" should anyone actually try and use these
> values rather than the _DMA provided ones.
>
> Signed-off-by: Jeremy Linton <jeremy.linton at arm.com>
> ---
>  Platform/RaspberryPi/AcpiTables/Iort.aslc | 44
> ++++++++++++++++++++++++++++++-
>  1 file changed, 43 insertions(+), 1 deletion(-)
>
> diff --git a/Platform/RaspberryPi/AcpiTables/Iort.aslc
> b/Platform/RaspberryPi/AcpiTables/Iort.aslc
> index 00720194bb..810307ae37 100644
> --- a/Platform/RaspberryPi/AcpiTables/Iort.aslc
> +++ b/Platform/RaspberryPi/AcpiTables/Iort.aslc
> @@ -20,6 +20,8 @@ typedef struct {
>  typedef struct {
>
>    EFI_ACPI_6_0_IO_REMAPPING_TABLE      Iort;
>
>    RPI4_NC_NODE                         NamedCompNode;
>
> +  RPI4_NC_NODE                         NamedCompNode2;
>
> +  RPI4_NC_NODE                         NamedCompNode3;
>
>  } RPI4_IO_REMAPPING_STRUCTURE;
>
>
>
>  STATIC RPI4_IO_REMAPPING_STRUCTURE Iort = {
>
> @@ -27,7 +29,7 @@ STATIC RPI4_IO_REMAPPING_STRUCTURE Iort = {
>      ACPI_HEADER (EFI_ACPI_6_0_IO_REMAPPING_TABLE_SIGNATURE,
>
>                   RPI4_IO_REMAPPING_STRUCTURE,
>
>                   EFI_ACPI_IO_REMAPPING_TABLE_REVISION),
>
> -    1,                                              // NumNodes
>
> +    3,                                              // NumNodes
>
>      sizeof (EFI_ACPI_6_0_IO_REMAPPING_TABLE),       // NodeOffset
>
>      0                                               // Reserved
>
>    }, {
>
> @@ -50,6 +52,46 @@ STATIC RPI4_IO_REMAPPING_STRUCTURE Iort = {
>      }, {
>
>        "\\_SB_.SCB0.XHC0"                            // ObjectName
>
>      }
>
> +  }, {
>
> +    // gpu/dwc usb named component node
>
> +    {
>
> +      {
>
> +        EFI_ACPI_IORT_TYPE_NAMED_COMP,              // Type
>
> +        sizeof (RPI4_NC_NODE),                      // Length
>
> +        0x0,                                        // Revision
>
> +        0x0,                                        // Reserved
>
> +        0x0,                                        // NumIdMappings
>
> +        0x0,                                        // IdReference
>
> +      },
>
> +      0x0,                                          // Flags
>
> +      0x0,                                          // CacheCoherent
>
> +      0x0,                                          // AllocationHints
>
> +      0x0,                                          // Reserved
>
> +      0x0,                                          // MemoryAccessFlags
>
> +      30,                                           // AddressSizeLimit
>
> +    }, {
>
> +      "\\_SB_.GDV0.USB0"                            // ObjectName
>
> +    }
>
> +  }, {
>
> +    // emmc2 named component node
>
> +    {
>
> +      {
>
> +        EFI_ACPI_IORT_TYPE_NAMED_COMP,              // Type
>
> +        sizeof (RPI4_NC_NODE),                      // Length
>
> +        0x0,                                        // Revision
>
> +        0x0,                                        // Reserved
>
> +        0x0,                                        // NumIdMappings
>
> +        0x0,                                        // IdReference
>
> +      },
>
> +      0x0,                                          // Flags
>
> +      0x0,                                          // CacheCoherent
>
> +      0x0,                                          // AllocationHints
>
> +      0x0,                                          // Reserved
>
> +      0x0,                                          // MemoryAccessFlags
>
> +      30,                                           // AddressSizeLimit
>
> +    }, {
>
> +      "\\_SB_.GDV1.SDC3"                            // ObjectName
>
> +    }
>
>    }
>
>  };
>
>
>
> --
> 2.13.7

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