edk2: Remove packages moved to edk2-platforms

[mirror_edk2.git] / Vlv2TbltDevicePkg / PlatformPei / Stall.c

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