1 files changed, 0 insertions, 90 deletions
diff --git a/Vlv2TbltDevicePkg/PlatformPei/Stall.c b/Vlv2TbltDevicePkg/PlatformPei/Stall.c
deleted file mode 100644
index 5e68f80..0000000
--- a/Vlv2TbltDevicePkg/PlatformPei/Stall.c
+++ /dev/null
@@ -1,90 +0,0 @@
-/** @file
-
-  Copyright (c) 2004  - 2014, Intel Corporation. All rights reserved.<BR>
-                                                                                   
-  SPDX-License-Identifier: BSD-2-Clause-Patent
-
-                                                                                   
-
-
-Module Name:
-
-  Stall.c
-
-Abstract:
-
-  Produce Stall Ppi.
-
---*/
-
-
-#include "CommonHeader.h"
-#include "PlatformBaseAddresses.h"
-#include "PchRegs.h"
-
-/**
-  Waits for at least the given number of microseconds.
-
-  @param PeiServices     General purpose services available to every PEIM.
-  @param This            PPI instance structure.
-  @param Microseconds    Desired length of time to wait.
-
-  @retval EFI_SUCCESS    If the desired amount of time was passed.
-
-**/
-EFI_STATUS
-EFIAPI
-Stall (
-  IN CONST EFI_PEI_SERVICES   **PeiServices,
-  IN CONST EFI_PEI_STALL_PPI      *This,
-  IN UINTN              Microseconds
-  )
-{
-  UINTN   Ticks;
-  UINTN   Counts;
-  UINT32  CurrentTick;
-  UINT32  OriginalTick;
-  UINT32  RemainingTick;
-
-  if (Microseconds == 0) {
-    return EFI_SUCCESS;
-  }
-
-  OriginalTick = IoRead32 (ACPI_BASE_ADDRESS + R_PCH_ACPI_PM1_TMR);
-  OriginalTick &= (V_PCH_ACPI_PM1_TMR_MAX_VAL - 1);
-  CurrentTick = OriginalTick;
-
-  //
-  // The timer frequency is 3.579545MHz, so 1 ms corresponds to 3.58 clocks
-  //
-  Ticks = Microseconds * 358 / 100 + OriginalTick + 1;
-
-  //
-  // The loops needed for timer overflow
-  //
-  Counts = (UINTN)RShiftU64((UINT64)Ticks, 24);
-
-  //
-  // Remaining clocks within one loop
-  //
-  RemainingTick = Ticks & 0xFFFFFF;
-
-  //
-  // Do not intend to use TMROF_STS bit of register PM1_STS, because this add extra
-  // one I/O operation, and may generate SMI
-  //
-  while (Counts != 0) {
-    CurrentTick = IoRead32 (ACPI_BASE_ADDRESS + R_PCH_ACPI_PM1_TMR) & B_PCH_ACPI_PM1_TMR_VAL;
-    if (CurrentTick <= OriginalTick) {
-      Counts--;
-    }
-    OriginalTick = CurrentTick;
-  }
-
-  while ((RemainingTick > CurrentTick) && (OriginalTick <= CurrentTick)) {
-    OriginalTick  = CurrentTick;
-    CurrentTick   = IoRead32 (ACPI_BASE_ADDRESS + R_PCH_ACPI_PM1_TMR) & B_PCH_ACPI_PM1_TMR_VAL;
-  }
-
-  return EFI_SUCCESS;
-}