[edk2-devel] [PATCH edk2-platforms 3/3] Platform/ARM/JunoPkg: Set PcdArmArchTimerFreqInHz to 0 to read from CNTFRQ_EL0

[Rebecca Cran]

If PcdArmArchTimerFreqInHz is zero, the value of the timer frequency
will be read from CNTFRQ_EL0. Avoid hard-coding the value in ArmJuno.dsc
and instead let the ArmArchTimerLib driver read it from the SoC.

Signed-off-by: Rebecca Cran <rebecca at quicinc.com>
---
 Platform/ARM/JunoPkg/ArmJuno.dsc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Platform/ARM/JunoPkg/ArmJuno.dsc b/Platform/ARM/JunoPkg/ArmJuno.dsc
index 9b63a8914f03..e40005862072 100644
--- a/Platform/ARM/JunoPkg/ArmJuno.dsc
+++ b/Platform/ARM/JunoPkg/ArmJuno.dsc
@@ -188,7 +188,8 @@ [PcdsFixedAtBuild.common]
   #
   # ARM Architectural Timer Frequency
   #
-  gArmTokenSpaceGuid.PcdArmArchTimerFreqInHz|50000000
+  # Set to 0 so ArmArchTimerLib will read its value from CNTFRQ_EL0
+  gArmTokenSpaceGuid.PcdArmArchTimerFreqInHz|0
   gEmbeddedTokenSpaceGuid.PcdTimerPeriod|10000
 
   gEfiMdeModulePkgTokenSpaceGuid.PcdResetOnMemoryTypeInformationChange|FALSE
-- 
2.30.2



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