ArmPkg: Move TimerDxe and ArmArchTimerLib to new ArmGenericTimerCounterLib

Move TimerDxe and ArmArchTimerLib to ArmGenericTimerCounterLib, and update all
platforms to select the physical counter instance they have been using
implicitly all along.

Contributed-under: TianoCore Contribution Agreement 1.0
Acked-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-By: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16078 6f19259b-4bc3-4df7-8a09-765794883524

2 files changed, 8 insertions, 7 deletions

diff --git a/ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.c b/ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.c
index ec4c39dbc9..5d8e006cc9 100644
--- a/ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.c
+++ b/ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.c
@@ -20,7 +20,7 @@
 #include <Library/TimerLib.h>

 #include <Library/DebugLib.h>

 #include <Library/PcdLib.h>

-#include <Library/ArmArchTimer.h>

+#include <Library/ArmGenericTimerCounterLib.h>

 

 #define TICKS_PER_MICRO_SEC     (PcdGet32 (PcdArmArchTimerFreqInHz)/1000000U)

 

@@ -47,13 +47,13 @@ TimerConstructor (
     // Only set the frequency for ARMv7. We expect the secure firmware to have already do it

     // If the security extensions are not implemented set Timer Frequency

     if ((ArmReadIdPfr1 () & ARM_PFR1_SEC) == 0x0) {

-      ArmArchTimerSetTimerFreq (PcdGet32 (PcdArmArchTimerFreqInHz));

+      ArmGenericTimerSetTimerFreq (PcdGet32 (PcdArmArchTimerFreqInHz));

     }

 #endif

 

     // Architectural Timer Frequency must be set in the Secure privileged(if secure extensions are supported) mode.

     // If the reset value (0) is returned just ASSERT.

-    TimerFreq = ArmArchTimerGetTimerFreq ();

+    TimerFreq = ArmGenericTimerGetTimerFreq ();

     ASSERT (TimerFreq != 0);

 

   } else {

@@ -88,13 +88,13 @@ MicroSecondDelay (
   TimerTicks64 = (MicroSeconds * PcdGet32 (PcdArmArchTimerFreqInHz)) / 1000000U;

 

   // Read System Counter value

-  SystemCounterVal = ArmArchTimerGetSystemCount ();

+  SystemCounterVal = ArmGenericTimerGetSystemCount ();

 

   TimerTicks64 += SystemCounterVal;

 

   // Wait until delay count is expired.

   while (SystemCounterVal < TimerTicks64) {

-    SystemCounterVal = ArmArchTimerGetSystemCount ();

+    SystemCounterVal = ArmGenericTimerGetSystemCount ();

   }

 

   return MicroSeconds;

@@ -149,7 +149,7 @@ GetPerformanceCounter (
   )

 {

   // Just return the value of system count

-  return ArmArchTimerGetSystemCount ();

+  return ArmGenericTimerGetSystemCount ();

 }

 

 /**

@@ -192,5 +192,5 @@ GetPerformanceCounterProperties (
     *EndValue = 0xFFFFFFFFFFFFFFFFUL;

   }

 

-  return (UINT64)ArmArchTimerGetTimerFreq ();

+  return (UINT64)ArmGenericTimerGetTimerFreq ();

 }

diff --git a/ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.inf b/ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.inf
index ecdf0837f1..03a4b1efa6 100644
--- a/ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.inf
+++ b/ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.inf
@@ -32,6 +32,7 @@
   DebugLib

   ArmLib

   BaseLib

+  ArmGenericTimerCounterLib

 

 [Pcd]

   gArmTokenSpaceGuid.PcdArmArchTimerFreqInHz