[PATCH v3 11/16] ArmVirtPkg/PrePi: base GCD memory space size on CPU's PA range

[Ard Biesheuvel <ard.biesheuvel@linaro.org>]

Derive the size of the GCD memory space map directly from the CPU's
information registers rather than from the PcdPrePiCpuMemorySize PCD,
which will be removed.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
 ArmVirtPkg/PrePi/ArmVirtPrePiUniCoreRelocatable.inf | 1 -
 ArmVirtPkg/PrePi/PrePi.c                            | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/ArmVirtPkg/PrePi/ArmVirtPrePiUniCoreRelocatable.inf b/ArmVirtPkg/PrePi/ArmVirtPrePiUniCoreRelocatable.inf
index 1587bd92f206..034ddb41cb48 100755
--- a/ArmVirtPkg/PrePi/ArmVirtPrePiUniCoreRelocatable.inf
+++ b/ArmVirtPkg/PrePi/ArmVirtPrePiUniCoreRelocatable.inf
@@ -85,7 +85,6 @@ [FixedPcd]
 
   gArmPlatformTokenSpaceGuid.PcdCoreCount
 
-  gEmbeddedTokenSpaceGuid.PcdPrePiCpuMemorySize
   gEmbeddedTokenSpaceGuid.PcdPrePiCpuIoSize
 
   gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiACPIReclaimMemory
diff --git a/ArmVirtPkg/PrePi/PrePi.c b/ArmVirtPkg/PrePi/PrePi.c
index f6abe2f2016b..61de6cfd4ae6 100755
--- a/ArmVirtPkg/PrePi/PrePi.c
+++ b/ArmVirtPkg/PrePi/PrePi.c
@@ -80,7 +80,7 @@ PrePiMain (
   BuildStackHob (StacksBase, StacksSize);
 
   //TODO: Call CpuPei as a library
-  BuildCpuHob (PcdGet8 (PcdPrePiCpuMemorySize), PcdGet8 (PcdPrePiCpuIoSize));
+  BuildCpuHob (ArmGetPhysicalAddressBits (), PcdGet8 (PcdPrePiCpuIoSize));
 
   // Set the Boot Mode
   SetBootMode (BOOT_WITH_FULL_CONFIGURATION);
-- 
2.19.1