ArmPkg: remove duplicated ARM/AArch64 ArmGicArchLib sources

[mirror_edk2.git] / ArmPkg / Library / ArmGicArchLib / Arm / ArmGicArchLib.c

diff --git a/ArmPkg/Library/ArmGicArchLib/Arm/ArmGicArchLib.c b/ArmPkg/Library/ArmGicArchLib/Arm/ArmGicArchLib.c
deleted file mode 100644 (file)
index 7e7e46e..0000000
--- a/ArmPkg/Library/ArmGicArchLib/Arm/ArmGicArchLib.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/** @file\r
-*\r
-*  Copyright (c) 2014, ARM Limited. All rights reserved.\r
-*\r
-*  SPDX-License-Identifier: BSD-2-Clause-Patent\r
-*\r
-**/\r
-\r
-#include <Library/ArmLib.h>\r
-#include <Library/ArmGicLib.h>\r
-\r
-STATIC ARM_GIC_ARCH_REVISION        mGicArchRevision;\r
-\r
-RETURN_STATUS\r
-EFIAPI\r
-ArmGicArchLibInitialize (\r
-  VOID\r
-  )\r
-{\r
-  UINT32    IccSre;\r
-\r
-  // Ideally we would like to use the GICC IIDR Architecture version here, but\r
-  // this does not seem to be very reliable as the implementation could easily\r
-  // get it wrong. It is more reliable to check if the GICv3 System Register\r
-  // feature is implemented on the CPU. This is also convenient as our GICv3\r
-  // driver requires SRE. If only Memory mapped access is available we try to\r
-  // drive the GIC as a v2.\r
-  if (ArmHasGicSystemRegisters ()) {\r
-    // Make sure System Register access is enabled (SRE). This depends on the\r
-    // higher privilege level giving us permission, otherwise we will either\r
-    // cause an exception here, or the write doesn't stick in which case we need\r
-    // to fall back to the GICv2 MMIO interface.\r
-    // Note: We do not need to set ICC_SRE_EL2.Enable because the OS is started\r
-    // at the same exception level.\r
-    // It is the OS responsibility to set this bit.\r
-    IccSre = ArmGicV3GetControlSystemRegisterEnable ();\r
-    if (!(IccSre & ICC_SRE_EL2_SRE)) {\r
-      ArmGicV3SetControlSystemRegisterEnable (IccSre| ICC_SRE_EL2_SRE);\r
-      IccSre = ArmGicV3GetControlSystemRegisterEnable ();\r
-    }\r
-    if (IccSre & ICC_SRE_EL2_SRE) {\r
-      mGicArchRevision = ARM_GIC_ARCH_REVISION_3;\r
-      goto Done;\r
-    }\r
-  }\r
-\r
-  mGicArchRevision = ARM_GIC_ARCH_REVISION_2;\r
-\r
-Done:\r
-  return RETURN_SUCCESS;\r
-}\r
-\r
-ARM_GIC_ARCH_REVISION\r
-EFIAPI\r
-ArmGicGetSupportedArchRevision (\r
-  VOID\r
-  )\r
-{\r
-  return mGicArchRevision;\r
-}\r