mirror of https://github.com/acidanthera/audk.git
ArmPlatformPkg/ArmJunoDxe: Set the platform dependent FDT device path
The MIDR register of the CPU on which the UEFI firmware is running on is used to infer if the platform is a Juno r0 or a Juno r1. The right device path to the platform FDT is then stored in the "gEmbeddedTokenSpaceGuid.PcdFdtDevicePaths" dynamic PCD. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ronald Cron <Ronald.Cron@arm.com> Reviewed-by: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16939 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Ronald Cron
oliviermartin
parent
cae7af275e
commit
7aec2926b9
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@ -1,7 +1,7 @@
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/** @file
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Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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Copyright (c) 2011 - 2014, ARM Ltd. All rights reserved.<BR>
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Copyright (c) 2011 - 2015, ARM Ltd. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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@ -44,12 +44,14 @@
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#define SCR_AW (1 << 5)
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// MIDR - Main ID Register definitions
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#define ARM_CPU_TYPE_SHIFT 4
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#define ARM_CPU_TYPE_MASK 0xFFF
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#define ARM_CPU_TYPE_AEMv8 0xD0F
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#define ARM_CPU_TYPE_A53 0xD03
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#define ARM_CPU_TYPE_A57 0xD07
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#define ARM_CPU_TYPE_A15 0xC0F
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#define ARM_CPU_TYPE_A9 0xC09
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#define ARM_CPU_TYPE_A7 0xC07
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#define ARM_CPU_TYPE_A5 0xC05
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#define ARM_CPU_REV_MASK ((0xF << 20) | (0xF) )
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@ -1,7 +1,7 @@
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/** @file
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Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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Copyright (c) 2011-2014, ARM Ltd. All rights reserved.<BR>
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Copyright (c) 2011-2015, ARM Ltd. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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@ -75,12 +75,15 @@
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#define SCR_AW (1 << 5)
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// MIDR - Main ID Register definitions
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#define ARM_CPU_TYPE_SHIFT 4
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#define ARM_CPU_TYPE_MASK 0xFFF
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#define ARM_CPU_TYPE_AEMv8 0xD0F
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#define ARM_CPU_TYPE_A53 0xD03
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#define ARM_CPU_TYPE_A57 0xD07
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#define ARM_CPU_TYPE_A15 0xC0F
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#define ARM_CPU_TYPE_A12 0xC0D
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#define ARM_CPU_TYPE_A9 0xC09
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#define ARM_CPU_TYPE_A7 0xC07
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#define ARM_CPU_TYPE_A5 0xC05
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#define ARM_CPU_REV_MASK ((0xF << 20) | (0xF) )
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@ -1,5 +1,5 @@
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#
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# Copyright (c) 2013-2014, ARM Limited. All rights reserved.
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# Copyright (c) 2013-2015, ARM Limited. All rights reserved.
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#
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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@ -34,3 +34,7 @@
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[PcdsFixedAtBuild.common]
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gArmJunoTokenSpaceGuid.PcdSynopsysUsbOhciBaseAddress|0x7FFB0000|UINT32|0x00000004
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gArmJunoTokenSpaceGuid.PcdSynopsysUsbEhciBaseAddress|0x7FFC0000|UINT32|0x00000005
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# Juno Device Trees are loaded from NOR Flash
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gArmJunoTokenSpaceGuid.PcdR0FdtDevicePath|L"VenHw(E7223039-5836-41E1-B542-D7EC736C5E59)/juno_r0.dtb"|VOID*|0x00000006
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gArmJunoTokenSpaceGuid.PcdR1FdtDevicePath|L"VenHw(E7223039-5836-41E1-B542-D7EC736C5E59)/juno_r1.dtb"|VOID*|0x00000007
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@ -1,5 +1,5 @@
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#
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# Copyright (c) 2013-2014, ARM Limited. All rights reserved.
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# Copyright (c) 2013-2015, ARM Limited. All rights reserved.
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#
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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@ -59,6 +59,9 @@
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PlatformPeiLib|ArmPlatformPkg/PlatformPei/PlatformPeiLib.inf
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MemoryInitPeiLib|ArmPlatformPkg/MemoryInitPei/MemoryInitPeiLib.inf
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[LibraryClasses.common.UEFI_DRIVER, LibraryClasses.common.UEFI_APPLICATION, LibraryClasses.common.DXE_RUNTIME_DRIVER, LibraryClasses.common.DXE_DRIVER]
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PcdLib|MdePkg/Library/DxePcdLib/DxePcdLib.inf
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[BuildOptions]
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*_*_*_PLATFORM_FLAGS == -I$(WORKSPACE)/ArmPlatformPkg/ArmVExpressPkg/Include -I$(WORKSPACE)/ArmPlatformPkg/ArmJunoPkg/Include
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@ -132,22 +135,6 @@
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# List of Device Paths that support BootMonFs
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gArmPlatformTokenSpaceGuid.PcdBootMonFsSupportedDevicePaths|L"VenHw(E7223039-5836-41E1-B542-D7EC736C5E59)"
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#
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# Define the device path to the FDT for its installation
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#
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!ifdef $(JUNO_EMULATOR)
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# From DRAM
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gEmbeddedTokenSpaceGuid.PcdFdtDevicePaths|L"VenHw(30F57E4A-69CE-4FB7-B7A1-4C7CE49D57A6)/MemoryMapped(0x0,0x88000000,0x88200000)"
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!else
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!ifdef $(JUNO_MODEL)
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# From semi-hosting
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gEmbeddedTokenSpaceGuid.PcdFdtDevicePaths|L"VenHw(C5B9C74A-6D72-4719-99AB-C59F199091EB)/juno.dtb"
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!else
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# From NOR flash
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gEmbeddedTokenSpaceGuid.PcdFdtDevicePaths|L"VenHw(E7223039-5836-41E1-B542-D7EC736C5E59)/juno.dtb"
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!endif
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!endif
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#
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# ARM OS Loader
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#
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@ -174,6 +161,14 @@
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gEfiMdeModulePkgTokenSpaceGuid.PcdVideoHorizontalResolution|1920
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gEfiMdeModulePkgTokenSpaceGuid.PcdVideoVerticalResolution|1080
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[PcdsDynamicDefault.common]
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#
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# The size of a dynamic PCD of the (VOID*) type can not be increased at run
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# time from its size at build time. Set the "PcdFdtDevicePaths" PCD to a 128
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# character "empty" string, to allow to be able to set FDT text device paths
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# up to 128 characters long.
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#
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gEmbeddedTokenSpaceGuid.PcdFdtDevicePaths|L" "
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################################################################################
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#
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@ -85,7 +85,12 @@ READ_STATUS = TRUE
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READ_LOCK_CAP = TRUE
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READ_LOCK_STATUS = TRUE
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APRIORI DXE {
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INF MdeModulePkg/Universal/PCD/Dxe/Pcd.inf
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}
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INF MdeModulePkg/Core/Dxe/DxeMain.inf
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INF MdeModulePkg/Universal/PCD/Dxe/Pcd.inf
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#
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# PI DXE Drivers producing Architectural Protocols (EFI Services)
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@ -28,6 +28,12 @@ ArmJunoEntryPoint (
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{
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EFI_STATUS Status;
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EFI_PHYSICAL_ADDRESS HypBase;
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CHAR16 *TextDevicePath;
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UINTN TextDevicePathSize;
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VOID *Buffer;
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UINT32 Midr;
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UINT32 CpuType;
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UINT32 CpuRev;
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Status = PciEmulationEntryPoint ();
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if (EFI_ERROR (Status)) {
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@ -77,11 +83,52 @@ ArmJunoEntryPoint (
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DEBUG ((EFI_D_ERROR, "ArmJunoDxe: Failed to install ShellDynCmdRunAxf\n"));
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}
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// Try to install the ACPI Tables
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Status = LocateAndInstallAcpiFromFv (&mJunoAcpiTableFile);
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//
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// Set up the device path to the FDT.
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// We detect whether we are running on a Juno r0 or Juno r1 board at
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// runtime by checking the value of the MIDR register.
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//
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Midr = ArmReadMidr ();
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CpuType = (Midr >> ARM_CPU_TYPE_SHIFT) & ARM_CPU_TYPE_MASK;
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CpuRev = Midr & ARM_CPU_REV_MASK;
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TextDevicePath = NULL;
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switch (CpuType) {
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case ARM_CPU_TYPE_A53:
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if (CpuRev == ARM_CPU_REV (0, 0)) {
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TextDevicePath = (CHAR16*)FixedPcdGetPtr (PcdR0FdtDevicePath);
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} else if (CpuRev == ARM_CPU_REV (0, 3)) {
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TextDevicePath = (CHAR16*)FixedPcdGetPtr (PcdR1FdtDevicePath);
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}
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break;
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case ARM_CPU_TYPE_A57:
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if (CpuRev == ARM_CPU_REV (0, 0)) {
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TextDevicePath = (CHAR16*)FixedPcdGetPtr (PcdR0FdtDevicePath);
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} else if (CpuRev == ARM_CPU_REV (1, 1)) {
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TextDevicePath = (CHAR16*)FixedPcdGetPtr (PcdR1FdtDevicePath);
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}
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}
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if (TextDevicePath != NULL) {
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TextDevicePathSize = StrSize (TextDevicePath);
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Buffer = PcdSetPtr (PcdFdtDevicePaths, &TextDevicePathSize, TextDevicePath);
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Status = (Buffer != NULL) ? EFI_SUCCESS : EFI_BUFFER_TOO_SMALL;
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} else {
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Status = EFI_NOT_FOUND;
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}
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if (EFI_ERROR (Status)) {
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DEBUG (
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(EFI_D_ERROR,
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"ArmJunoDxe: Setting of FDT device path in PcdFdtDevicePaths failed - %r\n", Status)
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);
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return Status;
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}
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// Try to install the ACPI Tables
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Status = LocateAndInstallAcpiFromFv (&mJunoAcpiTableFile);
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return Status;
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}
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@ -32,6 +32,7 @@
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[LibraryClasses]
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AcpiLib
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ArmLib
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ArmShellCmdRunAxfLib
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BaseMemoryLib
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BdsLib
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gArmJunoTokenSpaceGuid.PcdSynopsysUsbEhciBaseAddress
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gArmJunoTokenSpaceGuid.PcdSynopsysUsbOhciBaseAddress
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gArmPlatformTokenSpaceGuid.PcdFdtDevicePath
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gArmJunoTokenSpaceGuid.PcdR0FdtDevicePath
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gArmJunoTokenSpaceGuid.PcdR1FdtDevicePath
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[Pcd]
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gEmbeddedTokenSpaceGuid.PcdFdtDevicePaths
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[Depex]
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TRUE
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@ -1,6 +1,6 @@
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/** @file
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*
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* Copyright (c) 2013-2014, ARM Limited. All rights reserved.
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* Copyright (c) 2013-2015, ARM Limited. All rights reserved.
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*
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* This program and the accompanying materials
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* are licensed and made available under the terms and conditions of the BSD License
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@ -17,6 +17,9 @@
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#include <Uefi.h>
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#include <Library/BaseLib.h>
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#include <Library/ArmLib.h>
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#include <Library/AcpiLib.h>
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#include <Library/DebugLib.h>
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#include <Library/DxeServicesTableLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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