From 9e4f210c32dd8ad4484cedbe9a09c5b44e4f2e3c Mon Sep 17 00:00:00 2001
From: andrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Wed, 14 Apr 2010 18:05:19 +0000
Subject: [PATCH] DebugAgentTimerLib cleanup

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10372 6f19259b-4bc3-4df7-8a09-765794883524
---
 .../DebugAgentTimerLib/DebugAgentTimerLib.c    | 18 +++++++++++++-----
 Omap35xxPkg/Omap35xxPkg.dec                    |  2 +-
 2 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/Omap35xxPkg/Library/DebugAgentTimerLib/DebugAgentTimerLib.c b/Omap35xxPkg/Library/DebugAgentTimerLib/DebugAgentTimerLib.c
index 72b860361b..1abdb63c7c 100755
--- a/Omap35xxPkg/Library/DebugAgentTimerLib/DebugAgentTimerLib.c
+++ b/Omap35xxPkg/Library/DebugAgentTimerLib/DebugAgentTimerLib.c
@@ -77,19 +77,27 @@ DebugAgentTimerIntialize (
   )
 {
   UINT32      TimerBaseAddress;
+  UINT32      TimerNumber;
 
-
-  gVector = InterruptVectorForTimer (PcdGet32(PcdOmap35xxDebugAgentTimer));
+  TimerNumber = PcdGet32(PcdOmap35xxDebugAgentTimer);
+  gVector = InterruptVectorForTimer (TimerNumber);
 
   // Set up the timer registers
-  TimerBaseAddress = TimerBase (PcdGet32(PcdOmap35xxDebugAgentTimer));
+  TimerBaseAddress = TimerBase (TimerNumber);
   gTISR = TimerBaseAddress + GPTIMER_TISR;
   gTCLR = TimerBaseAddress + GPTIMER_TCLR;
   gTLDR = TimerBaseAddress + GPTIMER_TLDR;
   gTCRR = TimerBaseAddress + GPTIMER_TCRR;
   gTIER = TimerBaseAddress + GPTIMER_TIER;
 
-  DisableInterruptSource ();
+  if ((TimerNumber < 2) || (TimerNumber > 9)) {
+    // This code assumes one the General Purpose timers is used
+    // GPT2 - GPT9
+    CpuDeadLoop ();
+  }
+  // Set source clock for GPT2 - GPT9 to SYS_CLK
+  MmioOr32 (CM_CLKSEL_PER, 1 << (TimerNumber - 2)); 
+
 }
   
   
@@ -154,5 +162,5 @@ DebugAgentTimerEndOfInterrupt (
   ArmDataSyncronizationBarrier ();
 
 }
-  
+
   
\ No newline at end of file
diff --git a/Omap35xxPkg/Omap35xxPkg.dec b/Omap35xxPkg/Omap35xxPkg.dec
index 7e35e26e12..09b098c1e5 100644
--- a/Omap35xxPkg/Omap35xxPkg.dec
+++ b/Omap35xxPkg/Omap35xxPkg.dec
@@ -44,5 +44,5 @@
   gOmap35xxTokenSpaceGuid.PcdOmap35xxArchTimer|3|UINT32|0x00000205
   gOmap35xxTokenSpaceGuid.PcdOmap35xxFreeTimer|4|UINT32|0x00000206
   gOmap35xxTokenSpaceGuid.PcdOmap35xxDebugAgentTimer|5|UINT32|0x00000207
-  gOmap35xxTokenSpaceGuid.PcdDebugAgentTimerFreqNanoSeconds|1|UINT32|0x00000208
+  gOmap35xxTokenSpaceGuid.PcdDebugAgentTimerFreqNanoSeconds|77|UINT32|0x00000208
   
-- 
2.39.2