ArmPkg: add reenable hook to ArmGenericTimerCounterLib

[mirror_edk2.git] / ArmPkg / Library / ArmGenericTimerVirtCounterLib / ArmGenericTimerVirtCounterLib.c

/** @file\r
\r
  Copyright (c) 2011 - 2014, ARM Ltd. All rights reserved.<BR>\r
  Copyright (c) 2014, Linaro Ltd. All rights reserved.<BR>\r
\r
  This program and the accompanying materials\r
  are licensed and made available under the terms and conditions of the BSD License\r
  which accompanies this distribution.  The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#include <Library/ArmGenericTimerCounterLib.h>\r
#include <Library/ArmLib.h>\r
\r
VOID\r
EFIAPI\r
ArmGenericTimerEnableTimer (\r
  VOID\r
  )\r
{\r
  UINTN TimerCtrlReg;\r
\r
  TimerCtrlReg = ArmReadCntvCtl ();\r
  TimerCtrlReg |= ARM_ARCH_TIMER_ENABLE;\r
  ArmWriteCntvCtl (TimerCtrlReg);\r
}\r
\r
VOID\r
EFIAPI\r
ArmGenericTimerReenableTimer (\r
  VOID\r
  )\r
{\r
}\r
\r
VOID\r
EFIAPI\r
ArmGenericTimerDisableTimer (\r
  VOID\r
  )\r
{\r
  UINTN TimerCtrlReg;\r
\r
  TimerCtrlReg = ArmReadCntvCtl ();\r
  TimerCtrlReg &= ~ARM_ARCH_TIMER_ENABLE;\r
  ArmWriteCntvCtl (TimerCtrlReg);\r
}\r
\r
VOID\r
EFIAPI\r
ArmGenericTimerSetTimerFreq (\r
  IN   UINTN  FreqInHz\r
  )\r
{\r
  ArmWriteCntFrq (FreqInHz);\r
}\r
\r
UINTN\r
EFIAPI\r
ArmGenericTimerGetTimerFreq (\r
  VOID\r
  )\r
{\r
  return ArmReadCntFrq ();\r
}\r
\r
UINTN\r
EFIAPI\r
ArmGenericTimerGetTimerVal (\r
  VOID\r
  )\r
{\r
  return ArmReadCntvTval ();\r
}\r
\r
\r
VOID\r
EFIAPI\r
ArmGenericTimerSetTimerVal (\r
  IN   UINTN   Value\r
  )\r
{\r
  ArmWriteCntvTval (Value);\r
}\r
\r
UINT64\r
EFIAPI\r
ArmGenericTimerGetSystemCount (\r
  VOID\r
  )\r
{\r
  return ArmReadCntvCt ();\r
}\r
\r
UINTN\r
EFIAPI\r
ArmGenericTimerGetTimerCtrlReg (\r
  VOID\r
  )\r
{\r
  return ArmReadCntvCtl ();\r
}\r
\r
VOID\r
EFIAPI\r
ArmGenericTimerSetTimerCtrlReg (\r
  UINTN Value\r
  )\r
{\r
  ArmWriteCntvCtl (Value);\r
}\r
\r
UINT64\r
EFIAPI\r
ArmGenericTimerGetCompareVal (\r
  VOID\r
  )\r
{\r
  return ArmReadCntvCval ();\r
}\r
\r
VOID\r
EFIAPI\r
ArmGenericTimerSetCompareVal (\r
  IN   UINT64   Value\r
  )\r
{\r
  ArmWriteCntvCval (Value);\r
}\r