diff options
| author | andrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-04-13 18:31:27 +0000 |
|---|---|---|
| committer | andrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-04-13 18:31:27 +0000 |
| commit | 382127fc4ce6acbae01a128230e41a07faf868f2 (patch) | |
| tree | ff961a68b3596d54d993f02a6ba014e5604c500c /Omap35xxPkg/Library/Omap35xxTimerLib | |
| parent | 801ee6c6b7ae6962fe63a2dc987383edb28dafd5 (diff) | |
| download | edk2-platforms-382127fc4ce6acbae01a128230e41a07faf868f2.tar.xz | |
Fix Beagle references without using svn mv.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10365 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'Omap35xxPkg/Library/Omap35xxTimerLib')
| -rw-r--r-- | Omap35xxPkg/Library/Omap35xxTimerLib/Omap35xxTimerLib.inf | 45 | ||||
| -rw-r--r-- | Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c | 102 |
2 files changed, 147 insertions, 0 deletions
diff --git a/Omap35xxPkg/Library/Omap35xxTimerLib/Omap35xxTimerLib.inf b/Omap35xxPkg/Library/Omap35xxTimerLib/Omap35xxTimerLib.inf new file mode 100644 index 0000000000..515dff9f65 --- /dev/null +++ b/Omap35xxPkg/Library/Omap35xxTimerLib/Omap35xxTimerLib.inf @@ -0,0 +1,45 @@ +#/** @file
+# Timer library implementation
+#
+# A non-functional instance of the Timer Library that can be used as a template
+# for the implementation of a functional timer library instance. This library instance can
+# also be used to test build DXE, Runtime, DXE SAL, and DXE SMM modules that require timer
+# services as well as EBC modules that require timer services
+# Copyright (c) 2007, Intel Corporation.
+#
+# All rights reserved. This program and the accompanying materials
+# are licensed and made available under the terms and conditions of the BSD License
+# which accompanies this distribution. The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+#
+#**/
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = BeagleBoardTimerLib
+ FILE_GUID = fe1d7183-9abb-42ce-9a3b-36d7c6a8959f
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = TimerLib
+
+[Sources.common]
+ TimerLib.c
+
+[Packages]
+ Omap35xxPkg/Omap35xxPkg.dec
+ MdePkg/MdePkg.dec
+ EmbeddedPkg/EmbeddedPkg.dec
+
+[LibraryClasses]
+ DebugLib
+ OmapLib
+ IoLib
+
+[Pcd]
+ gEmbeddedTokenSpaceGuid.PcdEmbeddedPerformanceCounterFreqencyInHz
+ gEmbeddedTokenSpaceGuid.PcdEmbeddedFdPerformanceCounterPeriodInNanoseconds
+ gOmap35xxTokenSpaceGuid.PcdOmap35xxFreeTimer
+
diff --git a/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c b/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c new file mode 100644 index 0000000000..1b1f2a9dbe --- /dev/null +++ b/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c @@ -0,0 +1,102 @@ +/** @file
+
+ Copyright (c) 2008-2009, Apple Inc. All rights reserved.
+
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Base.h>
+
+#include <Library/BaseLib.h>
+#include <Library/TimerLib.h>
+#include <Library/DebugLib.h>
+#include <Library/PcdLib.h>
+#include <Library/IoLib.h>
+#include <Library/OmapLib.h>
+
+#include <Omap3530/Omap3530.h>
+
+UINTN
+EFIAPI
+MicroSecondDelay (
+ IN UINTN MicroSeconds
+ )
+{
+ UINT64 NanoSeconds;
+
+ NanoSeconds = MultU64x32(MicroSeconds, 1000);
+
+ while (NanoSeconds > (UINTN)-1) {
+ NanoSecondDelay((UINTN)-1);
+ NanoSeconds -= (UINTN)-1;
+ }
+
+ NanoSecondDelay(NanoSeconds);
+
+ return MicroSeconds;
+}
+
+UINTN
+EFIAPI
+NanoSecondDelay (
+ IN UINTN NanoSeconds
+ )
+{
+ UINT32 Delay;
+ UINT32 StartTime;
+ UINT32 CurrentTime;
+ UINT32 ElapsedTime;
+ UINT32 TimerCountRegister;
+
+ Delay = (NanoSeconds / PcdGet32(PcdEmbeddedFdPerformanceCounterPeriodInNanoseconds)) + 1;
+
+ TimerCountRegister = TimerBase(PcdGet32(PcdOmap35xxFreeTimer)) + GPTIMER_TCRR;
+
+ StartTime = MmioRead32 (TimerCountRegister);
+
+ do
+ {
+ CurrentTime = MmioRead32 (TimerCountRegister);
+ ElapsedTime = CurrentTime - StartTime;
+ } while (ElapsedTime < Delay);
+
+ NanoSeconds = ElapsedTime * PcdGet32(PcdEmbeddedFdPerformanceCounterPeriodInNanoseconds);
+
+ return NanoSeconds;
+}
+
+UINT64
+EFIAPI
+GetPerformanceCounter (
+ VOID
+ )
+{
+ return (UINT64)MmioRead32 (TimerBase(PcdGet32(PcdOmap35xxFreeTimer)) + GPTIMER_TCRR);
+}
+
+UINT64
+EFIAPI
+GetPerformanceCounterProperties (
+ OUT UINT64 *StartValue, OPTIONAL
+ OUT UINT64 *EndValue OPTIONAL
+ )
+{
+ if (StartValue != NULL) {
+ // Timer starts with the reload value
+ *StartValue = (UINT64)MmioRead32 (TimerBase(PcdGet32(PcdOmap35xxFreeTimer)) + GPTIMER_TLDR);
+ }
+
+ if (EndValue != NULL) {
+ // Timer counts up to 0xFFFFFFFF
+ *EndValue = 0xFFFFFFFF;
+ }
+
+ return PcdGet64(PcdEmbeddedPerformanceCounterFreqencyInHz);
+}
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