SignedCapsulePkg/EdkiiSystemCapsuleLib: Add EdkiiSystemCapsuleLib.

[mirror_edk2.git] / Omap35xxPkg / Library / Omap35xxTimerLib / TimerLib.c

diff --git a/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c b/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c
index 1b1f2a9dbe227ba26042174555dfe37b99ae5614..652c47b6f61a8b737bf9c75feb8636bae83d8918 100644 (file)
--- a/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c
+++ b/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c
@@ -1,8 +1,8 @@
 /** @file\r
 \r
-  Copyright (c) 2008-2009, Apple Inc. All rights reserved.\r
-  \r
-  All rights reserved. This program and the accompanying materials\r
+  Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
+\r
+  This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
   which accompanies this distribution.  The full text of the license may be found at\r
   http://opensource.org/licenses/bsd-license.php\r
@@ -12,7 +12,7 @@
 \r
 **/\r
 \r
-#include <Base.h>\r
+#include <Uefi.h>\r
 \r
 #include <Library/BaseLib.h>\r
 #include <Library/TimerLib.h>\r
@@ -23,6 +23,37 @@
 \r
 #include <Omap3530/Omap3530.h>\r
 \r
+RETURN_STATUS\r
+EFIAPI\r
+TimerConstructor (\r
+  VOID\r
+  )\r
+{\r
+  UINTN  Timer            = PcdGet32(PcdOmap35xxFreeTimer);\r
+  UINT32 TimerBaseAddress = TimerBase(Timer);\r
+\r
+  if ((MmioRead32 (TimerBaseAddress + GPTIMER_TCLR) & TCLR_ST_ON) == 0) {\r
+    // Set source clock for GPT3 & GPT4 to SYS_CLK\r
+    MmioOr32 (CM_CLKSEL_PER, CM_CLKSEL_PER_CLKSEL_GPT3_SYS | CM_CLKSEL_PER_CLKSEL_GPT4_SYS);\r
+\r
+    // Set count & reload registers\r
+    MmioWrite32 (TimerBaseAddress + GPTIMER_TCRR, 0x00000000);\r
+    MmioWrite32 (TimerBaseAddress + GPTIMER_TLDR, 0x00000000);\r
+\r
+    // Disable interrupts\r
+    MmioWrite32 (TimerBaseAddress + GPTIMER_TIER, TIER_TCAR_IT_DISABLE | TIER_OVF_IT_DISABLE | TIER_MAT_IT_DISABLE);\r
+\r
+    // Start Timer\r
+    MmioWrite32 (TimerBaseAddress + GPTIMER_TCLR, TCLR_AR_AUTORELOAD | TCLR_ST_ON);\r
+\r
+    // Disable OMAP Watchdog timer (WDT2)\r
+    MmioWrite32 (WDTIMER2_BASE + WSPR, 0xAAAA);\r
+    DEBUG ((EFI_D_ERROR, "Magic delay to disable watchdog timers properly.\n"));\r
+    MmioWrite32 (WDTIMER2_BASE + WSPR, 0x5555);\r
+  }\r
+  return EFI_SUCCESS;\r
+}\r
+\r
 UINTN\r
 EFIAPI\r
 MicroSecondDelay (\r
@@ -30,10 +61,10 @@ MicroSecondDelay (
   )\r
 {\r
   UINT64  NanoSeconds;\r
-  \r
+\r
   NanoSeconds = MultU64x32(MicroSeconds, 1000);\r
 \r
-  while (NanoSeconds > (UINTN)-1) { \r
+  while (NanoSeconds > (UINTN)-1) {\r
     NanoSecondDelay((UINTN)-1);\r
     NanoSeconds -= (UINTN)-1;\r
   }\r
@@ -55,19 +86,19 @@ NanoSecondDelay (
   UINT32  ElapsedTime;\r
   UINT32  TimerCountRegister;\r
 \r
-  Delay = (NanoSeconds / PcdGet32(PcdEmbeddedFdPerformanceCounterPeriodInNanoseconds)) + 1;\r
-  \r
+  Delay = (NanoSeconds / PcdGet32(PcdEmbeddedPerformanceCounterPeriodInNanoseconds)) + 1;\r
+\r
   TimerCountRegister = TimerBase(PcdGet32(PcdOmap35xxFreeTimer)) + GPTIMER_TCRR;\r
 \r
   StartTime = MmioRead32 (TimerCountRegister);\r
 \r
-  do \r
+  do\r
   {\r
     CurrentTime = MmioRead32 (TimerCountRegister);\r
     ElapsedTime = CurrentTime - StartTime;\r
   } while (ElapsedTime < Delay);\r
 \r
-  NanoSeconds = ElapsedTime * PcdGet32(PcdEmbeddedFdPerformanceCounterPeriodInNanoseconds);\r
+  NanoSeconds = ElapsedTime * PcdGet32(PcdEmbeddedPerformanceCounterPeriodInNanoseconds);\r
 \r
   return NanoSeconds;\r
 }\r
@@ -77,7 +108,7 @@ EFIAPI
 GetPerformanceCounter (\r
   VOID\r
   )\r
-{ \r
+{\r
   return (UINT64)MmioRead32 (TimerBase(PcdGet32(PcdOmap35xxFreeTimer)) + GPTIMER_TCRR);\r
 }\r
 \r
@@ -92,11 +123,11 @@ GetPerformanceCounterProperties (
     // Timer starts with the reload value\r
     *StartValue = (UINT64)MmioRead32 (TimerBase(PcdGet32(PcdOmap35xxFreeTimer)) + GPTIMER_TLDR);\r
   }\r
-  \r
+\r
   if (EndValue != NULL) {\r
     // Timer counts up to 0xFFFFFFFF\r
     *EndValue = 0xFFFFFFFF;\r
   }\r
-  \r
-  return PcdGet64(PcdEmbeddedPerformanceCounterFreqencyInHz);\r
+\r
+  return PcdGet64(PcdEmbeddedPerformanceCounterFrequencyInHz);\r
 }\r