diff options
| author | Guo Mang <mang.guo@intel.com> | 2016-12-23 10:49:27 +0800 |
|---|---|---|
| committer | Guo Mang <mang.guo@intel.com> | 2017-05-09 13:02:52 +0800 |
| commit | e91e23d74df05e6c52b2099428e2258a108f658d (patch) | |
| tree | 9bda0a8b9dcdfc408173353eb6d00d77d7a6b4ea /Silicon/BroxtonSoC/BroxtonSiPkg/Cpu/PowerManagement/Dxe/PowerMgmtInit.h | |
| parent | b42463f242be0a3e419e71792de18113fecc8049 (diff) | |
| download | edk2-platforms-e91e23d74df05e6c52b2099428e2258a108f658d.tar.xz | |
BroxtonSiPkg: Add PowerManagement
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'Silicon/BroxtonSoC/BroxtonSiPkg/Cpu/PowerManagement/Dxe/PowerMgmtInit.h')
| -rw-r--r-- | Silicon/BroxtonSoC/BroxtonSiPkg/Cpu/PowerManagement/Dxe/PowerMgmtInit.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/Cpu/PowerManagement/Dxe/PowerMgmtInit.h b/Silicon/BroxtonSoC/BroxtonSiPkg/Cpu/PowerManagement/Dxe/PowerMgmtInit.h new file mode 100644 index 0000000000..3062c92a31 --- /dev/null +++ b/Silicon/BroxtonSoC/BroxtonSiPkg/Cpu/PowerManagement/Dxe/PowerMgmtInit.h @@ -0,0 +1,75 @@ +/** @file
+ This header file contains processors power management definitions.
+
+ Copyright (c) 1999 - 2016, 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.
+
+**/
+
+
+#ifndef _POWER_MANAGEMENT_H_
+#define _POWER_MANAGEMENT_H_
+
+#include "PowerMgmtCommon.h"
+
+//
+// Function prototypes
+//
+/**
+ Initialize the power management support.
+ This function will do boot time configuration:
+ Install into SMRAM/SMM
+ Detect HW capabilities and SW configuration
+ Initialize HW and software state (primarily MSR and ACPI tables)
+ Install SMI handlers for runtime interfacess
+
+ @param[in] ImageHandle Pointer to the loaded image protocol for this driver
+ @param[in] SystemTable Pointer to the EFI System Table
+
+ @retval EFI_SUCCESS The driver installed/initialized correctly.
+ @retval Driver will ASSERT in debug builds on error. PPM functionality is considered critical for mobile systems.
+
+**/
+EFI_STATUS
+EFIAPI
+InitPowerManagement (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+/**
+ Initializes the CPU power management global variable.
+ This must be called prior to any of the functions being used.
+
+**/
+VOID
+InitPowerManagementGlobalVariables (
+ VOID
+ );
+
+/**
+ Initialize the platform power management based on hardware capabilities
+ and user configuration settings.
+
+ This includes creating FVID table, updating ACPI tables,
+ and updating processor and chipset hardware configuration.
+
+ This should be called prior to any Px, Cx, Tx activity.
+
+ @retval EFI_SUCCESS On success
+ @retval Appropiate failure code on error
+
+**/
+EFI_STATUS
+InitPpmDxe (
+ VOID
+ );
+#endif
+
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