diff options
Diffstat (limited to 'Silicon/TexasInstruments/Omap35xxPkg/Library/Omap35xxTimerLib')
| -rw-r--r-- | Silicon/TexasInstruments/Omap35xxPkg/Library/Omap35xxTimerLib/Omap35xxTimerLib.inf | 40 | ||||
| -rw-r--r-- | Silicon/TexasInstruments/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c | 151 |
2 files changed, 0 insertions, 191 deletions
diff --git a/Silicon/TexasInstruments/Omap35xxPkg/Library/Omap35xxTimerLib/Omap35xxTimerLib.inf b/Silicon/TexasInstruments/Omap35xxPkg/Library/Omap35xxTimerLib/Omap35xxTimerLib.inf deleted file mode 100644 index 0ef4ecdbca..0000000000 --- a/Silicon/TexasInstruments/Omap35xxPkg/Library/Omap35xxTimerLib/Omap35xxTimerLib.inf +++ /dev/null @@ -1,40 +0,0 @@ -#/** @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.<BR>
-#
-# SPDX-License-Identifier: BSD-2-Clause-Patent
-#
-#
-#**/
-
-[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]
- EmbeddedPkg/EmbeddedPkg.dec
- MdePkg/MdePkg.dec
- Silicon/TexasInstruments/Omap35xxPkg/Omap35xxPkg.dec
-
-[LibraryClasses]
- DebugLib
- OmapLib
- IoLib
-
-[Pcd]
- gEmbeddedTokenSpaceGuid.PcdEmbeddedPerformanceCounterFrequencyInHz
- gEmbeddedTokenSpaceGuid.PcdEmbeddedPerformanceCounterPeriodInNanoseconds
- gOmap35xxTokenSpaceGuid.PcdOmap35xxFreeTimer
-
diff --git a/Silicon/TexasInstruments/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c b/Silicon/TexasInstruments/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c deleted file mode 100644 index 92e179e6ae..0000000000 --- a/Silicon/TexasInstruments/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c +++ /dev/null @@ -1,151 +0,0 @@ -/** @file
-
- Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
-
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include <Uefi.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>
-
-RETURN_STATUS
-EFIAPI
-TimerConstructor (
- VOID
- )
-{
- UINTN Timer = PcdGet32(PcdOmap35xxFreeTimer);
- UINT32 TimerBaseAddress = TimerBase(Timer);
-
- if ((MmioRead32 (TimerBaseAddress + GPTIMER_TCLR) & TCLR_ST_ON) == 0) {
- // Set source clock for GPT3 & GPT4 to SYS_CLK
- MmioOr32 (CM_CLKSEL_PER, CM_CLKSEL_PER_CLKSEL_GPT3_SYS | CM_CLKSEL_PER_CLKSEL_GPT4_SYS);
-
- // Set count & reload registers
- MmioWrite32 (TimerBaseAddress + GPTIMER_TCRR, 0x00000000);
- MmioWrite32 (TimerBaseAddress + GPTIMER_TLDR, 0x00000000);
-
- // Disable interrupts
- MmioWrite32 (TimerBaseAddress + GPTIMER_TIER, TIER_TCAR_IT_DISABLE | TIER_OVF_IT_DISABLE | TIER_MAT_IT_DISABLE);
-
- // Start Timer
- MmioWrite32 (TimerBaseAddress + GPTIMER_TCLR, TCLR_AR_AUTORELOAD | TCLR_ST_ON);
-
- // Disable OMAP Watchdog timer (WDT2)
- MmioWrite32 (WDTIMER2_BASE + WSPR, 0xAAAA);
- DEBUG ((DEBUG_ERROR, "Magic delay to disable watchdog timers properly.\n"));
- MmioWrite32 (WDTIMER2_BASE + WSPR, 0x5555);
- }
- return EFI_SUCCESS;
-}
-
-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(PcdEmbeddedPerformanceCounterPeriodInNanoseconds)) + 1;
-
- TimerCountRegister = TimerBase(PcdGet32(PcdOmap35xxFreeTimer)) + GPTIMER_TCRR;
-
- StartTime = MmioRead32 (TimerCountRegister);
-
- do
- {
- CurrentTime = MmioRead32 (TimerCountRegister);
- ElapsedTime = CurrentTime - StartTime;
- } while (ElapsedTime < Delay);
-
- NanoSeconds = ElapsedTime * PcdGet32(PcdEmbeddedPerformanceCounterPeriodInNanoseconds);
-
- 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(PcdEmbeddedPerformanceCounterFrequencyInHz);
-}
-
-/**
- Converts elapsed ticks of performance counter to time in nanoseconds.
-
- This function converts the elapsed ticks of running performance counter to
- time value in unit of nanoseconds.
-
- @param Ticks The number of elapsed ticks of running performance counter.
-
- @return The elapsed time in nanoseconds.
-
-**/
-UINT64
-EFIAPI
-GetTimeInNanoSecond (
- IN UINT64 Ticks
- )
-{
- UINT32 Period;
-
- Period = PcdGet32 (PcdEmbeddedPerformanceCounterPeriodInNanoseconds);
-
- return (Ticks * Period);
-}
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