audk/ArmPkg/Library/ArmGenericTimerPhyCounterLib/ArmGenericTimerPhyCounterLib.c

128 lines
1.6 KiB
C

/** @file
Copyright (c) 2011 - 2014, ARM Ltd. All rights reserved.<BR>
Copyright (c) 2014, Linaro Ltd. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Library/ArmGenericTimerCounterLib.h>
#include <Library/ArmLib.h>
VOID
EFIAPI
ArmGenericTimerEnableTimer (
VOID
)
{
UINTN TimerCtrlReg;
TimerCtrlReg = ArmReadCntpCtl ();
TimerCtrlReg |= ARM_ARCH_TIMER_ENABLE;
ArmWriteCntpCtl (TimerCtrlReg);
}
VOID
EFIAPI
ArmGenericTimerReenableTimer (
VOID
)
{
}
VOID
EFIAPI
ArmGenericTimerDisableTimer (
VOID
)
{
UINTN TimerCtrlReg;
TimerCtrlReg = ArmReadCntpCtl ();
TimerCtrlReg &= ~ARM_ARCH_TIMER_ENABLE;
ArmWriteCntpCtl (TimerCtrlReg);
}
VOID
EFIAPI
ArmGenericTimerSetTimerFreq (
IN UINTN FreqInHz
)
{
ArmWriteCntFrq (FreqInHz);
}
UINTN
EFIAPI
ArmGenericTimerGetTimerFreq (
VOID
)
{
return ArmReadCntFrq ();
}
UINTN
EFIAPI
ArmGenericTimerGetTimerVal (
VOID
)
{
return ArmReadCntpTval ();
}
VOID
EFIAPI
ArmGenericTimerSetTimerVal (
IN UINTN Value
)
{
ArmWriteCntpTval (Value);
}
UINT64
EFIAPI
ArmGenericTimerGetSystemCount (
VOID
)
{
return ArmReadCntPct ();
}
UINTN
EFIAPI
ArmGenericTimerGetTimerCtrlReg (
VOID
)
{
return ArmReadCntpCtl ();
}
VOID
EFIAPI
ArmGenericTimerSetTimerCtrlReg (
UINTN Value
)
{
ArmWriteCntpCtl (Value);
}
UINT64
EFIAPI
ArmGenericTimerGetCompareVal (
VOID
)
{
return ArmReadCntpCval ();
}
VOID
EFIAPI
ArmGenericTimerSetCompareVal (
IN UINT64 Value
)
{
ArmWriteCntpCval (Value);
}