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Diffstat (limited to 'Omap35xxPkg/Library/DebugAgentTimerLib/DebugAgentTimerLib.c')
-rwxr-xr-xOmap35xxPkg/Library/DebugAgentTimerLib/DebugAgentTimerLib.c100
1 files changed, 50 insertions, 50 deletions
diff --git a/Omap35xxPkg/Library/DebugAgentTimerLib/DebugAgentTimerLib.c b/Omap35xxPkg/Library/DebugAgentTimerLib/DebugAgentTimerLib.c
index 76c13d5527..b3da7366a9 100755
--- a/Omap35xxPkg/Library/DebugAgentTimerLib/DebugAgentTimerLib.c
+++ b/Omap35xxPkg/Library/DebugAgentTimerLib/DebugAgentTimerLib.c
@@ -13,23 +13,23 @@
**/
#include <Base.h>
-#include <Library/BaseLib.h>
-#include <Library/IoLib.h>
-#include <Library/OmapLib.h>
+#include <Library/BaseLib.h>
+#include <Library/IoLib.h>
+#include <Library/OmapLib.h>
#include <Library/ArmLib.h>
-#include <Library/PcdLib.h>
+#include <Library/PcdLib.h>
-#include <Omap3530/Omap3530.h>
+#include <Omap3530/Omap3530.h>
volatile UINT32 gVector;
-
-// Cached registers
-volatile UINT32 gTISR;
-volatile UINT32 gTCLR;
-volatile UINT32 gTLDR;
-volatile UINT32 gTCRR;
-volatile UINT32 gTIER;
+
+// Cached registers
+volatile UINT32 gTISR;
+volatile UINT32 gTCLR;
+volatile UINT32 gTLDR;
+volatile UINT32 gTCRR;
+volatile UINT32 gTIER;
VOID
EnableInterruptSource (
@@ -80,15 +80,15 @@ DebugAgentTimerIntialize (
UINT32 TimerNumber;
TimerNumber = PcdGet32(PcdOmap35xxDebugAgentTimer);
- gVector = InterruptVectorForTimer (TimerNumber);
+ gVector = InterruptVectorForTimer (TimerNumber);
- // Set up the timer registers
- TimerBaseAddress = TimerBase (TimerNumber);
- gTISR = TimerBaseAddress + GPTIMER_TISR;
- gTCLR = TimerBaseAddress + GPTIMER_TCLR;
- gTLDR = TimerBaseAddress + GPTIMER_TLDR;
- gTCRR = TimerBaseAddress + GPTIMER_TCRR;
- gTIER = TimerBaseAddress + GPTIMER_TIER;
+ // Set up the timer registers
+ TimerBaseAddress = TimerBase (TimerNumber);
+ gTISR = TimerBaseAddress + GPTIMER_TISR;
+ gTCLR = TimerBaseAddress + GPTIMER_TCLR;
+ gTLDR = TimerBaseAddress + GPTIMER_TLDR;
+ gTCRR = TimerBaseAddress + GPTIMER_TCRR;
+ gTIER = TimerBaseAddress + GPTIMER_TIER;
if ((TimerNumber < 2) || (TimerNumber > 9)) {
// This code assumes one the General Purpose timers is used
@@ -113,31 +113,31 @@ DebugAgentTimerSetPeriod (
IN UINT32 TimerPeriodMilliseconds
)
{
- UINT64 TimerCount;
- INT32 LoadValue;
-
- if (TimerPeriodMilliseconds == 0) {
- // Turn off GPTIMER3
- MmioWrite32 (gTCLR, TCLR_ST_OFF);
-
- DisableInterruptSource ();
- } else {
- // Calculate required timer count
- TimerCount = DivU64x32(TimerPeriodMilliseconds * 1000000, PcdGet32(PcdDebugAgentTimerFreqNanoSeconds));
-
- // Set GPTIMER5 Load register
- LoadValue = (INT32) -TimerCount;
- MmioWrite32 (gTLDR, LoadValue);
- MmioWrite32 (gTCRR, LoadValue);
-
- // Enable Overflow interrupt
- MmioWrite32 (gTIER, TIER_TCAR_IT_DISABLE | TIER_OVF_IT_ENABLE | TIER_MAT_IT_DISABLE);
-
- // Turn on GPTIMER3, it will reload at overflow
- MmioWrite32 (gTCLR, TCLR_AR_AUTORELOAD | TCLR_ST_ON);
-
- EnableInterruptSource ();
- }
+ UINT64 TimerCount;
+ INT32 LoadValue;
+
+ if (TimerPeriodMilliseconds == 0) {
+ // Turn off GPTIMER3
+ MmioWrite32 (gTCLR, TCLR_ST_OFF);
+
+ DisableInterruptSource ();
+ } else {
+ // Calculate required timer count
+ TimerCount = DivU64x32(TimerPeriodMilliseconds * 1000000, PcdGet32(PcdDebugAgentTimerFreqNanoSeconds));
+
+ // Set GPTIMER5 Load register
+ LoadValue = (INT32) -TimerCount;
+ MmioWrite32 (gTLDR, LoadValue);
+ MmioWrite32 (gTCRR, LoadValue);
+
+ // Enable Overflow interrupt
+ MmioWrite32 (gTIER, TIER_TCAR_IT_DISABLE | TIER_OVF_IT_ENABLE | TIER_MAT_IT_DISABLE);
+
+ // Turn on GPTIMER3, it will reload at overflow
+ MmioWrite32 (gTCLR, TCLR_AR_AUTORELOAD | TCLR_ST_ON);
+
+ EnableInterruptSource ();
+ }
}
@@ -152,10 +152,10 @@ DebugAgentTimerEndOfInterrupt (
VOID
)
{
- // Clear all timer interrupts
- MmioWrite32 (gTISR, TISR_CLEAR_ALL);
-
- // Poll interrupt status bits to ensure clearing
+ // Clear all timer interrupts
+ MmioWrite32 (gTISR, TISR_CLEAR_ALL);
+
+ // Poll interrupt status bits to ensure clearing
while ((MmioRead32 (gTISR) & TISR_ALL_INTERRUPT_MASK) != TISR_NO_INTERRUPTS_PENDING);
MmioWrite32 (INTCPS_CONTROL, INTCPS_CONTROL_NEWFIQAGR);
@@ -163,4 +163,4 @@ DebugAgentTimerEndOfInterrupt (
}
- \ No newline at end of file
+ \ No newline at end of file