diff options
Diffstat (limited to 'Vlv2TbltDevicePkg/Library/ResetSystemLib/ResetSystemLib.c')
| -rw-r--r-- | Vlv2TbltDevicePkg/Library/ResetSystemLib/ResetSystemLib.c | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/Vlv2TbltDevicePkg/Library/ResetSystemLib/ResetSystemLib.c b/Vlv2TbltDevicePkg/Library/ResetSystemLib/ResetSystemLib.c deleted file mode 100644 index fac998f..0000000 --- a/Vlv2TbltDevicePkg/Library/ResetSystemLib/ResetSystemLib.c +++ /dev/null @@ -1,235 +0,0 @@ -/** @file
-
- Copyright (c) 2007 - 2019, Intel Corporation. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-
-
-
-Module Name:
-
- IdeBus.h
-
-Abstract:
-
- System reset Library Services. This library class provides a set of
- methods to reset whole system with manipulate ICH.
-
-**/
-
-
-#include <Base.h>
-
-
-#include <Library/ResetSystemLib.h>
-#include <Library/BaseLib.h>
-#include <Library/IoLib.h>
-#include <Library/DebugLib.h>
-#include <Library/PciLib.h>
-
-#include "PchRegs.h"
-#include "Rsci.h"
-#include "Platform.h"
-
-#define RESET_GENERATOR_PORT R_PCH_RST_CNT
-
-VOID
-EFIAPI
-PlatformResetHook (
- UINT8 ResetType
- )
-{
- //
- // Platform need to save OS reset request/types for next Android boot
- //
- IoWrite8 (0x72, CMOS_RESET_TYPE_BY_OS);
- IoWrite8 (0x73, ResetType);
-}
-
-/**
- Calling this function causes a system-wide reset. This sets
- all circuitry within the system to its initial state. This type of reset
- is asynchronous to system operation and operates without regard to
- cycle boundaries.
-
- System reset should not return, if it returns, it means the system does
- not support cold reset.
-**/
-VOID
-EFIAPI
-ResetCold (
- VOID
- )
-{
- PlatformResetHook(COLD_RESET);
- IoWrite8 (RESET_GENERATOR_PORT, 0x2);
- IoWrite8 (RESET_GENERATOR_PORT, 0x6);
-}
-
-/**
- Calling this function causes a system-wide initialization. The processors
- are set to their initial state, and pending cycles are not corrupted.
-
- System reset should not return, if it returns, it means the system does
- not support warm reset.
-**/
-VOID
-EFIAPI
-ResetWarm (
- VOID
- )
-{
- PlatformResetHook(WARM_RESET);
- IoWrite8 (RESET_GENERATOR_PORT, 0x0);
- IoWrite8 (RESET_GENERATOR_PORT, 0x4);
-}
-
-/**
- Calling this function causes the system to enter a power state equivalent
- to the ACPI G2/S5 or G3 states.
-
- System shutdown should not return, if it returns, it means the system does
- not support shut down reset.
-**/
-VOID
-EFIAPI
-ResetShutdown (
- VOID
- )
-{
- UINT16 PchPmioBase;
- UINT16 Data16;
- UINT32 Data32;
-
- PchPmioBase = (UINT16) (PciRead16 (PCI_LIB_ADDRESS(0, PCI_DEVICE_NUMBER_PCH_LPC, 0, R_PCH_LPC_ACPI_BASE)) & ~BIT0);
-
- //
- // Then, GPE0_EN should be disabled to avoid any GPI waking up the system from S5
- //
- Data16 = 0;
- IoWrite16 (
- (UINTN)(PchPmioBase + R_PCH_ACPI_GPE0a_EN),
- (UINT16)Data16
- );
-
- //
- // Clear Sleep SMI Status
- //
- IoWrite16 (PchPmioBase + R_PCH_SMI_STS,
- (UINT16)(IoRead16 (PchPmioBase + R_PCH_SMI_STS) | B_PCH_SMI_STS_ON_SLP_EN));
- //
- // Clear Sleep Type Enable
- //
- IoWrite16 (PchPmioBase + R_PCH_SMI_EN,
- (UINT16)(IoRead16 (PchPmioBase + R_PCH_SMI_EN) & (~B_PCH_SMI_EN_ON_SLP_EN)));
- //
- // Clear Power Button Status
- //
- IoWrite16(PchPmioBase + R_PCH_ACPI_PM1_STS, B_PCH_ACPI_PM1_STS_PWRBTN);
-
- //
- // Secondly, Power Button Status bit must be cleared
- //
- // Write a "1" to bit[8] of power button status register at
- // (ABASE + PM1_STS) to clear this bit
- // Clear it through SMI Status register
- //
- Data16 = B_PCH_SMI_STS_PM1_STS_REG;
- IoWrite16 ((UINTN) (PchPmioBase + R_PCH_SMI_STS), Data16);
-
- //
- // Finally, transform system into S5 sleep state
- //
- Data32 = IoRead32 ((UINTN) (PchPmioBase + R_PCH_ACPI_PM1_CNT));
-
- Data32 = (UINT32) ((Data32 &~(B_PCH_ACPI_PM1_CNT_SLP_TYP + B_PCH_ACPI_PM1_CNT_SLP_EN)) | V_PCH_ACPI_PM1_CNT_S5);
-
- IoWrite32 ((UINTN) (PchPmioBase + R_PCH_ACPI_PM1_CNT), Data32);
-
- Data32 = Data32 | B_PCH_ACPI_PM1_CNT_SLP_EN;
-
- IoWrite32 ((UINTN) (PchPmioBase + R_PCH_ACPI_PM1_CNT), Data32);
-
- return;
-}
-
-/**
- Calling this function causes the system to enter a power state for capsule
- update.
-
- Reset update should not return, if it returns, it means the system does
- not support capsule update.
-
-**/
-VOID
-EFIAPI
-EnterS3WithImmediateWake (
- VOID
- )
-{
- ASSERT (FALSE);
-}
-
-/**
- This function causes a systemwide reset. The exact type of the reset is
- defined by the EFI_GUID that follows the Null-terminated Unicode string passed
- into ResetData. If the platform does not recognize the EFI_GUID in ResetData
- the platform must pick a supported reset type to perform.The platform may
- optionally log the parameters from any non-normal reset that occurs.
-
- @param[in] DataSize The size, in bytes, of ResetData.
- @param[in] ResetData The data buffer starts with a Null-terminated string,
- followed by the EFI_GUID.
-**/
-VOID
-EFIAPI
-ResetPlatformSpecific (
- IN UINTN DataSize,
- IN VOID *ResetData
- )
-{
- ResetCold ();
-}
-
-/**
- The ResetSystem function resets the entire platform.
-
- @param[in] ResetType The type of reset to perform.
- @param[in] ResetStatus The status code for the reset.
- @param[in] DataSize The size, in bytes, of ResetData.
- @param[in] ResetData For a ResetType of EfiResetCold, EfiResetWarm, or EfiResetShutdown
- the data buffer starts with a Null-terminated string, optionally
- followed by additional binary data. The string is a description
- that the caller may use to further indicate the reason for the
- system reset.
-**/
-VOID
-EFIAPI
-ResetSystem (
- IN EFI_RESET_TYPE ResetType,
- IN EFI_STATUS ResetStatus,
- IN UINTN DataSize,
- IN VOID *ResetData OPTIONAL
- )
-{
- switch (ResetType) {
- case EfiResetWarm:
- ResetWarm ();
- break;
-
- case EfiResetCold:
- ResetCold ();
- break;
-
- case EfiResetShutdown:
- ResetShutdown ();
- return;
-
- case EfiResetPlatformSpecific:
- ResetPlatformSpecific (DataSize, ResetData);
- return;
-
- default:
- return;
- }
-}
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