diff options
Diffstat (limited to 'DuetPkg/AcpiResetDxe/Reset.c')
| -rw-r--r-- | DuetPkg/AcpiResetDxe/Reset.c | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/DuetPkg/AcpiResetDxe/Reset.c b/DuetPkg/AcpiResetDxe/Reset.c deleted file mode 100644 index 425109a54d..0000000000 --- a/DuetPkg/AcpiResetDxe/Reset.c +++ /dev/null @@ -1,212 +0,0 @@ -/*++ @file
- Reset Architectural Protocol implementation.
-
-Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
-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 <PiDxe.h>
-
-#include <Protocol/Reset.h>
-
-#include <Guid/AcpiDescription.h>
-
-#include <Library/BaseLib.h>
-#include <Library/IoLib.h>
-#include <Library/PciLib.h>
-#include <Library/HobLib.h>
-#include <Library/DebugLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-
-///
-/// Handle for the Reset Architectural Protocol
-///
-EFI_HANDLE mResetHandle = NULL;
-
-///
-/// Copy of ACPI Description HOB in runtime memory
-///
-EFI_ACPI_DESCRIPTION mAcpiDescription;
-
-/**
- Reset the system.
-
- @param[in] ResetType Warm or cold
- @param[in] ResetStatus Possible cause of reset
- @param[in] DataSize Size of ResetData in bytes
- @param[in] ResetData Optional Unicode string
-
-**/
-VOID
-EFIAPI
-EfiAcpiResetSystem (
- IN EFI_RESET_TYPE ResetType,
- IN EFI_STATUS ResetStatus,
- IN UINTN DataSize,
- IN VOID *ResetData OPTIONAL
- )
-{
- UINT8 Dev;
- UINT8 Func;
- UINT8 Register;
-
- switch (ResetType) {
- case EfiResetShutdown:
- //
- // 1. Write SLP_TYPa
- //
- if ((mAcpiDescription.PM1a_CNT_BLK.Address != 0) && (mAcpiDescription.SLP_TYPa != 0)) {
- switch (mAcpiDescription.PM1a_CNT_BLK.AddressSpaceId) {
- case EFI_ACPI_3_0_SYSTEM_IO:
- IoAndThenOr16 ((UINTN)mAcpiDescription.PM1a_CNT_BLK.Address, 0xc3ff, (UINT16)(0x2000 | (mAcpiDescription.SLP_TYPa << 10)));
- break;
- case EFI_ACPI_3_0_SYSTEM_MEMORY:
- MmioAndThenOr16 ((UINTN)mAcpiDescription.PM1a_CNT_BLK.Address, 0xc3ff, (UINT16)(0x2000 | (mAcpiDescription.SLP_TYPa << 10)));
- break;
- }
- }
-
- //
- // 2. Write SLP_TYPb
- //
- if ((mAcpiDescription.PM1b_CNT_BLK.Address != 0) && (mAcpiDescription.SLP_TYPb != 0)) {
- switch (mAcpiDescription.PM1b_CNT_BLK.AddressSpaceId) {
- case EFI_ACPI_3_0_SYSTEM_IO:
- IoAndThenOr16 ((UINTN)mAcpiDescription.PM1b_CNT_BLK.Address, 0xc3ff, (UINT16)(0x2000 | (mAcpiDescription.SLP_TYPb << 10)));
- break;
- case EFI_ACPI_3_0_SYSTEM_MEMORY:
- MmioAndThenOr16 ((UINTN)mAcpiDescription.PM1b_CNT_BLK.Address, 0xc3ff, (UINT16)(0x2000 | (mAcpiDescription.SLP_TYPb << 10)));
- break;
- }
- }
- //
- // If Shutdown fails, then let fall through to reset
- //
- case EfiResetWarm:
- case EfiResetCold:
- if ((mAcpiDescription.RESET_REG.Address != 0) &&
- ((mAcpiDescription.RESET_REG.AddressSpaceId == EFI_ACPI_3_0_SYSTEM_IO) ||
- (mAcpiDescription.RESET_REG.AddressSpaceId == EFI_ACPI_3_0_SYSTEM_MEMORY) ||
- (mAcpiDescription.RESET_REG.AddressSpaceId == EFI_ACPI_3_0_PCI_CONFIGURATION_SPACE))) {
- //
- // Use ACPI System Reset
- //
- switch (mAcpiDescription.RESET_REG.AddressSpaceId) {
- case EFI_ACPI_3_0_SYSTEM_IO:
- //
- // Send reset request through I/O port register
- //
- IoWrite8 ((UINTN)mAcpiDescription.RESET_REG.Address, mAcpiDescription.RESET_VALUE);
- //
- // Halt
- //
- CpuDeadLoop ();
- case EFI_ACPI_3_0_SYSTEM_MEMORY:
- //
- // Send reset request through MMIO register
- //
- MmioWrite8 ((UINTN)mAcpiDescription.RESET_REG.Address, mAcpiDescription.RESET_VALUE);
- //
- // Halt
- //
- CpuDeadLoop ();
- case EFI_ACPI_3_0_PCI_CONFIGURATION_SPACE:
- //
- // Send reset request through PCI register
- //
- Register = (UINT8)mAcpiDescription.RESET_REG.Address;
- Func = (UINT8) (RShiftU64 (mAcpiDescription.RESET_REG.Address, 16) & 0x7);
- Dev = (UINT8) (RShiftU64 (mAcpiDescription.RESET_REG.Address, 32) & 0x1F);
- PciWrite8 (PCI_LIB_ADDRESS (0, Dev, Func, Register), mAcpiDescription.RESET_VALUE);
- //
- // Halt
- //
- CpuDeadLoop ();
- }
- }
-
- //
- // If system comes here, means ACPI reset is not supported, so do Legacy System Reset, assume 8042 available
- //
- IoWrite8 (0x64, 0xfe);
- CpuDeadLoop ();
-
- default:
- break;
- }
-
- //
- // Given we should have reset getting here would be bad
- //
- ASSERT (FALSE);
- CpuDeadLoop();
-}
-
-/**
- Initialize the state information for the Reset Architectural Protocol.
-
- @param[in] ImageHandle Image handle of the loaded driver
- @param[in] SystemTable Pointer to the System Table
-
- @retval EFI_SUCCESS Thread can be successfully created
- @retval EFI_UNSUPPORTED Cannot find the info to reset system
-
-**/
-EFI_STATUS
-EFIAPI
-InitializeReset (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
- EFI_HOB_GUID_TYPE *HobAcpiDescription;
-
- //
- // Make sure the Reset Architectural Protocol is not already installed in the system
- //
- ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiResetArchProtocolGuid);
-
- //
- // Get ACPI Description HOB
- //
- HobAcpiDescription = GetFirstGuidHob (&gEfiAcpiDescriptionGuid);
- if (HobAcpiDescription == NULL) {
- return EFI_UNSUPPORTED;
- }
-
- //
- // Copy it to Runtime Memory
- //
- ASSERT (sizeof (EFI_ACPI_DESCRIPTION) == GET_GUID_HOB_DATA_SIZE (HobAcpiDescription));
- CopyMem (&mAcpiDescription, GET_GUID_HOB_DATA (HobAcpiDescription), sizeof (EFI_ACPI_DESCRIPTION));
-
- DEBUG ((DEBUG_INFO, "ACPI Reset Base - %lx\n", mAcpiDescription.RESET_REG.Address));
- DEBUG ((DEBUG_INFO, "ACPI Reset Value - %02x\n", (UINTN)mAcpiDescription.RESET_VALUE));
- DEBUG ((DEBUG_INFO, "IAPC support - %x\n", (UINTN)(mAcpiDescription.IAPC_BOOT_ARCH)));
-
- //
- // Hook the runtime service table
- //
- SystemTable->RuntimeServices->ResetSystem = EfiAcpiResetSystem;
-
- //
- // Install the Reset Architectural Protocol onto a new handle
- //
- Status = gBS->InstallMultipleProtocolInterfaces (
- &mResetHandle,
- &gEfiResetArchProtocolGuid, NULL,
- NULL
- );
- ASSERT_EFI_ERROR (Status);
-
- return Status;
-}
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