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| author | Akshay Behl <cap2k4@rivosinc.com> | 2025-06-08 23:09:04 +0530 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2025-07-08 18:35:46 +0000 |
| commit | 34d609402bfec75c51a02deac7733c9a0128f55d (patch) | |
| tree | 86044314b94f062dd7dcde3ffc14cd6314baac9c | |
| parent | 484930e0c6b7991758a098b6e0fd31dec38e7d85 (diff) | |
| download | edk2-34d609402bfec75c51a02deac7733c9a0128f55d.zip edk2-34d609402bfec75c51a02deac7733c9a0128f55d.tar.gz edk2-34d609402bfec75c51a02deac7733c9a0128f55d.tar.bz2 | |
UefiCpuPkg/CpuTimerDxeRiscV64: Use DT based timer frequency in Timer driver
There is GetPerformanceCounterProperties() that relies
on Device Tree to fetch timer frequency and removes the
dependency from the PCDs, use that instead.
Signed-off-by: Akshay Behl <cap2k4@rivosinc.com>
Co-authored-by: Dhaval Sharma <dhaval@rivosinc.com>
| -rw-r--r-- | UefiCpuPkg/CpuTimerDxeRiscV64/CpuTimerDxeRiscV64.inf | 2 | ||||
| -rw-r--r-- | UefiCpuPkg/CpuTimerDxeRiscV64/Timer.c | 7 |
2 files changed, 5 insertions, 4 deletions
diff --git a/UefiCpuPkg/CpuTimerDxeRiscV64/CpuTimerDxeRiscV64.inf b/UefiCpuPkg/CpuTimerDxeRiscV64/CpuTimerDxeRiscV64.inf index f2a2cf1..812b674 100644 --- a/UefiCpuPkg/CpuTimerDxeRiscV64/CpuTimerDxeRiscV64.inf +++ b/UefiCpuPkg/CpuTimerDxeRiscV64/CpuTimerDxeRiscV64.inf @@ -32,6 +32,7 @@ CpuLib
UefiBootServicesTableLib
UefiDriverEntryPoint
+ TimerLib
[LibraryClasses.RISCV64]
RiscVSbiLib
@@ -42,7 +43,6 @@ [Pcd]
gEfiMdePkgTokenSpaceGuid.PcdRiscVFeatureOverride ## CONSUMES
- gUefiCpuPkgTokenSpaceGuid.PcdCpuCoreCrystalClockFrequency ## CONSUMES
[Protocols]
gEfiCpuArchProtocolGuid ## CONSUMES
diff --git a/UefiCpuPkg/CpuTimerDxeRiscV64/Timer.c b/UefiCpuPkg/CpuTimerDxeRiscV64/Timer.c index 216f48a..14780e4 100644 --- a/UefiCpuPkg/CpuTimerDxeRiscV64/Timer.c +++ b/UefiCpuPkg/CpuTimerDxeRiscV64/Timer.c @@ -10,6 +10,7 @@ #include <Library/BaseLib.h>
#include <Library/BaseRiscVSbiLib.h>
#include <Library/UefiLib.h>
+#include <Library/TimerLib.h>
#include "Timer.h"
//
@@ -114,7 +115,7 @@ TimerInterruptHandler ( mTimerNotifyFunction (
DivU64x32 (
EFI_TIMER_PERIOD_SECONDS (PeriodStart - mLastPeriodStart),
- PcdGet64 (PcdCpuCoreCrystalClockFrequency)
+ GetPerformanceCounterProperties (NULL, NULL)
)
);
}
@@ -129,7 +130,7 @@ TimerInterruptHandler ( PeriodStart += DivU64x32 (
MultU64x32 (
mTimerPeriod,
- PcdGet64 (PcdCpuCoreCrystalClockFrequency)
+ GetPerformanceCounterProperties (NULL, NULL)
),
1000000u
); // convert to tick
@@ -232,7 +233,7 @@ TimerDriverSetTimerPeriod ( PeriodStart += DivU64x32 (
MultU64x32 (
mTimerPeriod,
- PcdGet64 (PcdCpuCoreCrystalClockFrequency)
+ GetPerformanceCounterProperties (NULL, NULL)
),
1000000u
); // convert to tick
|