diff options
| author | Oliver Smith-Denny <osde@microsoft.com> | 2025-09-09 23:51:41 +0300 |
|---|---|---|
| committer | Leif Lindholm <leif.lindholm@oss.qualcomm.com> | 2025-09-13 14:08:32 +0300 |
| commit | 889bd809dd7d795a69755d416a62e22cf9bb97c2 (patch) | |
| tree | a4499d349d464e390423d85b1d5e5f4112a2c735 /Silicon/TexasInstruments/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c | |
| parent | 79022bcb8ca2f1ece6df50ed8258378576ad589a (diff) | |
| download | edk2-platforms-master.tar.xz | |
edk2 is removing support for ARM32 platforms so this
commit removes Omap35xx from edk2-platforms.
Signed-off-by: Oliver Smith-Denny <osde@microsoft.com>
Diffstat (limited to 'Silicon/TexasInstruments/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c')
| -rw-r--r-- | Silicon/TexasInstruments/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c | 151 |
1 files changed, 0 insertions, 151 deletions
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);
-}
|