On Tue, Feb 27, 2018 at 09:20:16AM +0000, Ard Biesheuvel wrote:
> Create a HII menu option to choose between device tree and ACPI platform
> descriptions.
> 
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Ard Biesheuvel <[email protected]>

Reviewed-by: Leif Lindholm <[email protected]>

> ---
>  Silicon/Socionext/SynQuacer/Drivers/PlatformDxe/PlatformDxe.c      | 32 
> ++++++++++++++------
>  Silicon/Socionext/SynQuacer/Drivers/PlatformDxe/PlatformDxe.inf    |  1 +
>  Silicon/Socionext/SynQuacer/Drivers/PlatformDxe/PlatformDxeHii.uni |  8 ++++-
>  Silicon/Socionext/SynQuacer/Drivers/PlatformDxe/PlatformDxeHii.vfr | 10 
> +++++-
>  Silicon/Socionext/SynQuacer/Include/Platform/VarStore.h            |  8 +++--
>  5 files changed, 46 insertions(+), 13 deletions(-)
> 
> diff --git a/Silicon/Socionext/SynQuacer/Drivers/PlatformDxe/PlatformDxe.c 
> b/Silicon/Socionext/SynQuacer/Drivers/PlatformDxe/PlatformDxe.c
> index 8787aa6288a7..4ae1c5b0ff6f 100644
> --- a/Silicon/Socionext/SynQuacer/Drivers/PlatformDxe/PlatformDxe.c
> +++ b/Silicon/Socionext/SynQuacer/Drivers/PlatformDxe/PlatformDxe.c
> @@ -277,15 +277,29 @@ PlatformDxeEntryPoint (
>    mHiiSettingsVal = PcdGet64 (PcdPlatformSettings);
>    mHiiSettings = (SYNQUACER_PLATFORM_VARSTORE_DATA *)&mHiiSettingsVal;
>  
> -  Dtb = NULL;
> -  Status = DtPlatformLoadDtb (&Dtb, &DtbSize);
> -  if (!EFI_ERROR (Status)) {
> -    Status = gBS->InstallConfigurationTable (&gFdtTableGuid, Dtb);
> -  }
> -  if (EFI_ERROR (Status)) {
> -     DEBUG ((DEBUG_ERROR,
> -      "%a: failed to install FDT configuration table - %r\n", __FUNCTION__,
> -      Status));
> +  if (mHiiSettings->AcpiPref == ACPIPREF_DT) {
> +    Dtb = NULL;
> +    Status = DtPlatformLoadDtb (&Dtb, &DtbSize);
> +    if (!EFI_ERROR (Status)) {
> +      Status = gBS->InstallConfigurationTable (&gFdtTableGuid, Dtb);
> +    }
> +    if (EFI_ERROR (Status)) {
> +       DEBUG ((DEBUG_ERROR,
> +        "%a: failed to install FDT configuration table - %r\n", __FUNCTION__,
> +        Status));
> +    }
> +  } else {
> +    //
> +    // ACPI was selected: install the gEdkiiPlatformHasAcpiGuid GUID as a
> +    // NULL protocol to unlock dispatch of ACPI related drivers.
> +    //
> +    Status = gBS->InstallMultipleProtocolInterfaces (&ImageHandle,
> +                    &gEdkiiPlatformHasAcpiGuid, NULL, NULL);
> +    if (EFI_ERROR (Status)) {
> +      DEBUG ((DEBUG_ERROR,
> +        "%a: failed to install gEdkiiPlatformHasAcpiGuid as a protocol\n",
> +        __FUNCTION__));
> +    }
>    }
>  
>    Handle = NULL;
> diff --git a/Silicon/Socionext/SynQuacer/Drivers/PlatformDxe/PlatformDxe.inf 
> b/Silicon/Socionext/SynQuacer/Drivers/PlatformDxe/PlatformDxe.inf
> index fca66799ebcb..bef7feccd8b8 100644
> --- a/Silicon/Socionext/SynQuacer/Drivers/PlatformDxe/PlatformDxe.inf
> +++ b/Silicon/Socionext/SynQuacer/Drivers/PlatformDxe/PlatformDxe.inf
> @@ -58,6 +58,7 @@ [LibraryClasses]
>  
>  [Guids]
>    g96BoardsI2c0MasterGuid
> +  gEdkiiPlatformHasAcpiGuid
>    gEfiHiiPlatformSetupFormsetGuid
>    gFdtTableGuid
>    gNetsecNonDiscoverableDeviceGuid
> diff --git 
> a/Silicon/Socionext/SynQuacer/Drivers/PlatformDxe/PlatformDxeHii.uni 
> b/Silicon/Socionext/SynQuacer/Drivers/PlatformDxe/PlatformDxeHii.uni
> index 2eca8bbba8c3..836decc870f0 100644
> --- a/Silicon/Socionext/SynQuacer/Drivers/PlatformDxe/PlatformDxeHii.uni
> +++ b/Silicon/Socionext/SynQuacer/Drivers/PlatformDxe/PlatformDxeHii.uni
> @@ -1,6 +1,6 @@
>  /** @file
>  *
> -*  Copyright (c) 2017, Linaro, Ltd. All rights reserved.
> +*  Copyright (c) 2017 - 2018, Linaro, Ltd. All rights reserved.
>  *
>  *  This program and the accompanying materials are licensed and made 
> available
>  *  under the terms and conditions of the BSD License which accompanies this
> @@ -33,3 +33,9 @@
>  
>  #string STR_EMMC_DISABLED              #language en-US "Disabled"
>  #string STR_EMMC_ENABLED               #language en-US "Enabled"
> +
> +#string STR_DT_ACPI_SELECT_PROMPT      #language en-US "O/S Hardware 
> Description"
> +#string STR_DT_ACPI_SELECT_HELP        #language en-US "Select the hardware 
> description that will be exposed to the O/S."
> +
> +#string STR_DT_ACPI_SELECT_DT          #language en-US "Device Tree"
> +#string STR_DT_ACPI_SELECT_ACPI        #language en-US "ACPI"
> diff --git 
> a/Silicon/Socionext/SynQuacer/Drivers/PlatformDxe/PlatformDxeHii.vfr 
> b/Silicon/Socionext/SynQuacer/Drivers/PlatformDxe/PlatformDxeHii.vfr
> index ea35e902b2d7..8a395eac681b 100644
> --- a/Silicon/Socionext/SynQuacer/Drivers/PlatformDxe/PlatformDxeHii.vfr
> +++ b/Silicon/Socionext/SynQuacer/Drivers/PlatformDxe/PlatformDxeHii.vfr
> @@ -1,6 +1,6 @@
>  /** @file
>  *
> -*  Copyright (c) 2017, Linaro, Ltd. All rights reserved.
> +*  Copyright (c) 2017 - 2018, Linaro, Ltd. All rights reserved.
>  *
>  *  This program and the accompanying materials are licensed and made 
> available
>  *  under the terms and conditions of the BSD License which accompanies this
> @@ -70,6 +70,14 @@ formset
>          option text = STRING_TOKEN(STR_EMMC_ENABLED), value = EMMC_ENABLED, 
> flags = 0;
>      endoneof;
>  
> +    oneof varid = SynQuacerPlatformSettings.AcpiPref,
> +        prompt      = STRING_TOKEN(STR_DT_ACPI_SELECT_PROMPT),
> +        help        = STRING_TOKEN(STR_DT_ACPI_SELECT_HELP),
> +        flags       = NUMERIC_SIZE_1 | INTERACTIVE | RESET_REQUIRED,
> +        option text = STRING_TOKEN(STR_DT_ACPI_SELECT_DT), value = 
> ACPIPREF_DT, flags = DEFAULT;
> +        option text = STRING_TOKEN(STR_DT_ACPI_SELECT_ACPI), value = 
> ACPIPREF_ACPI, flags = 0;
> +    endoneof;
> +
>      subtitle text = STRING_TOKEN(STR_NULL_STRING);
>  
>    endform;
> diff --git a/Silicon/Socionext/SynQuacer/Include/Platform/VarStore.h 
> b/Silicon/Socionext/SynQuacer/Include/Platform/VarStore.h
> index fbbcbd7d3eec..bb0e476fc3f8 100644
> --- a/Silicon/Socionext/SynQuacer/Include/Platform/VarStore.h
> +++ b/Silicon/Socionext/SynQuacer/Include/Platform/VarStore.h
> @@ -1,6 +1,6 @@
>  /** @file
>  
> -  Copyright (c) 2017, Linaro, Ltd. All rights reserved.<BR>
> +  Copyright (c) 2017 - 2018, Linaro, Ltd. All rights reserved.<BR>
>  
>    This program and the accompanying materials are licensed and made available
>    under the terms and conditions of the BSD License which accompanies this
> @@ -22,12 +22,16 @@
>  #define PCIE_MAX_SPEED_UNLIMITED          0x0
>  #define PCIE_MAX_SPEED_GEN1               0x1
>  
> +#define ACPIPREF_DT                       0x0
> +#define ACPIPREF_ACPI                     0x1
> +
>  typedef struct {
>    UINT8         EnableEmmc;
>    UINT8         PcieSlot0MaxSpeed;
>    UINT8         PcieSlot1MaxSpeed;
>    UINT8         PcieSlot2MaxSpeed;
> -  UINT8         Reserved[4];
> +  UINT8         AcpiPref;
> +  UINT8         Reserved[3];
>  } SYNQUACER_PLATFORM_VARSTORE_DATA;
>  
>  #endif
> -- 
> 2.11.0
> 
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