/** @file\r
Template library implementation to support ResetSystem Runtime call.\r
- \r
- Fill in the templates with what ever makes you system reset.\r
\r
+ Fill in the templates with what ever makes you system reset.\r
\r
Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
- \r
+ Copyright (c) 2013, ARM Ltd. All rights reserved.<BR>\r
+ Copyright (c) 2017, Linaro Ltd. All rights reserved.<BR>\r
+\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
\r
**/\r
\r
-#include <PiDxe.h>\r
+#include <Base.h>\r
\r
-#include <Library/BaseLib.h>\r
-#include <Library/DebugLib.h>\r
-#include <Library/EfiResetSystemLib.h>\r
#include <Library/ArmPlatformSysConfigLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/ResetSystemLib.h>\r
\r
#include <ArmPlatform.h>\r
\r
/**\r
- Resets the entire platform.\r
+ This function causes a system-wide reset (cold reset), in which\r
+ all circuitry within the system returns to its initial state. This type of\r
+ reset is asynchronous to system operation and operates without regard to\r
+ cycle boundaries.\r
+\r
+ If this function returns, it means that the system does not support cold\r
+ reset.\r
+**/\r
+VOID\r
+EFIAPI\r
+ResetCold (\r
+ VOID\r
+ )\r
+{\r
+ ArmPlatformSysConfigSet (SYS_CFG_REBOOT, 0);\r
+}\r
+\r
+/**\r
+ This function causes a system-wide initialization (warm reset), in which all\r
+ processors are set to their initial state. Pending cycles are not corrupted.\r
\r
- @param ResetType The type of reset to perform.\r
- @param ResetStatus The status code for the reset.\r
- @param DataSize The size, in bytes, of WatchdogData.\r
- @param ResetData For a ResetType of EfiResetCold, EfiResetWarm, or\r
- EfiResetShutdown the data buffer starts with a Null-terminated\r
- Unicode string, optionally followed by additional binary data.\r
+ If this function returns, it means that the system does not support warm\r
+ reset.\r
+**/\r
+VOID\r
+EFIAPI\r
+ResetWarm (\r
+ VOID\r
+ )\r
+{\r
+ ResetCold ();\r
+}\r
+\r
+/**\r
+ This function causes the system to enter a power state equivalent\r
+ to the ACPI G2/S5 or G3 states.\r
\r
+ If this function returns, it means that the system does not support shut down reset.\r
**/\r
-EFI_STATUS\r
+VOID\r
EFIAPI\r
-LibResetSystem (\r
- IN EFI_RESET_TYPE ResetType,\r
- IN EFI_STATUS ResetStatus,\r
- IN UINTN DataSize,\r
- IN CHAR16 *ResetData OPTIONAL\r
+ResetShutdown (\r
+ VOID\r
)\r
{\r
- switch (ResetType) {\r
- case EfiResetWarm:\r
- // Map a warm reset into a cold reset\r
- case EfiResetCold:\r
- // Send the REBOOT function to the platform microcontroller\r
- ArmPlatformSysConfigSet (SYS_CFG_REBOOT, 0);\r
-\r
- // We should never be here\r
- while(1);\r
- case EfiResetShutdown:\r
- // Send the SHUTDOWN function to the platform microcontroller\r
- ArmPlatformSysConfigSet (SYS_CFG_SHUTDOWN, 0);\r
-\r
- // We should never be here\r
- while(1);\r
- }\r
-\r
- ASSERT(FALSE);\r
- return EFI_UNSUPPORTED;\r
+ ArmPlatformSysConfigSet (SYS_CFG_SHUTDOWN, 0);\r
}\r
\r
/**\r
- Initialize any infrastructure required for LibResetSystem () to function.\r
+ This function causes the system to enter S3 and then wake up immediately.\r
\r
- @param ImageHandle The firmware allocated handle for the EFI image.\r
- @param SystemTable A pointer to the EFI System Table.\r
- \r
- @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.\r
+ If this function returns, it means that the system does not support S3\r
+ feature.\r
+**/\r
+VOID\r
+EFIAPI\r
+EnterS3WithImmediateWake (\r
+ VOID\r
+ )\r
+{\r
+ // not implemented\r
+}\r
\r
+/**\r
+ This function causes a systemwide reset. The exact type of the reset is\r
+ defined by the EFI_GUID that follows the Null-terminated Unicode string passed\r
+ into ResetData. If the platform does not recognize the EFI_GUID in ResetData\r
+ the platform must pick a supported reset type to perform.The platform may\r
+ optionally log the parameters from any non-normal reset that occurs.\r
+\r
+ @param[in] DataSize The size, in bytes, of ResetData.\r
+ @param[in] ResetData The data buffer starts with a Null-terminated string,\r
+ followed by the EFI_GUID.\r
**/\r
-EFI_STATUS\r
+VOID\r
EFIAPI\r
-LibInitializeResetSystem (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
+ResetPlatformSpecific (\r
+ IN UINTN DataSize,\r
+ IN VOID *ResetData\r
)\r
{\r
- return EFI_SUCCESS;\r
+ ResetCold ();\r
}\r
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