diff options
| -rw-r--r-- | ArmPlatformPkg/ArmVExpressPkg/Library/ResetSystemLib/ResetSystemLib.c | 117 | ||||
| -rw-r--r-- | ArmPlatformPkg/ArmVExpressPkg/Library/ResetSystemLib/ResetSystemLib.inf | 6 |
2 files changed, 73 insertions, 50 deletions
diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ResetSystemLib/ResetSystemLib.c b/ArmPlatformPkg/ArmVExpressPkg/Library/ResetSystemLib/ResetSystemLib.c index bafb6f8093..d2bc4a88fa 100644 --- a/ArmPlatformPkg/ArmVExpressPkg/Library/ResetSystemLib/ResetSystemLib.c +++ b/ArmPlatformPkg/ArmVExpressPkg/Library/ResetSystemLib/ResetSystemLib.c @@ -5,6 +5,7 @@ Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
Copyright (c) 2013, ARM Ltd. All rights reserved.<BR>
+ Copyright (c) 2017, Linaro Ltd. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@@ -16,73 +17,95 @@ **/
-#include <PiDxe.h>
+#include <Base.h>
-#include <Library/BaseLib.h>
-#include <Library/DebugLib.h>
-#include <Library/EfiResetSystemLib.h>
#include <Library/ArmPlatformSysConfigLib.h>
+#include <Library/DebugLib.h>
+#include <Library/ResetSystemLib.h>
#include <ArmPlatform.h>
/**
- Resets the entire platform.
+ This function causes a system-wide reset (cold reset), in which
+ all circuitry within the system returns to its initial state. This type of
+ reset is asynchronous to system operation and operates without regard to
+ cycle boundaries.
- @param ResetType The type of reset to perform.
- @param ResetStatus The status code for the reset.
- @param DataSize The size, in bytes, of WatchdogData.
- @param ResetData For a ResetType of EfiResetCold, EfiResetWarm, or
- EfiResetShutdown the data buffer starts with a Null-terminated
- Unicode string, optionally followed by additional binary data.
+ If this function returns, it means that the system does not support cold
+ reset.
+**/
+VOID
+EFIAPI
+ResetCold (
+ VOID
+ )
+{
+ ArmPlatformSysConfigSet (SYS_CFG_REBOOT, 0);
+}
+
+/**
+ This function causes a system-wide initialization (warm reset), in which all
+ processors are set to their initial state. Pending cycles are not corrupted.
+ If this function returns, it means that the system does not support warm
+ reset.
**/
-EFI_STATUS
+VOID
EFIAPI
-LibResetSystem (
- IN EFI_RESET_TYPE ResetType,
- IN EFI_STATUS ResetStatus,
- IN UINTN DataSize,
- IN CHAR16 *ResetData OPTIONAL
+ResetWarm (
+ VOID
)
{
- switch (ResetType) {
- case EfiResetPlatformSpecific:
- // Map the platform specific reset as reboot
- case EfiResetWarm:
- // Map a warm reset into a cold reset
- case EfiResetCold:
- // Send the REBOOT function to the platform microcontroller
- ArmPlatformSysConfigSet (SYS_CFG_REBOOT, 0);
-
- // We should never be here
- while(1);
- case EfiResetShutdown:
- // Send the SHUTDOWN function to the platform microcontroller
- ArmPlatformSysConfigSet (SYS_CFG_SHUTDOWN, 0);
-
- // We should never be here
- while(1);
- }
-
- ASSERT(FALSE);
- return EFI_UNSUPPORTED;
+ ResetCold ();
}
/**
- Initialize any infrastructure required for LibResetSystem () to function.
+ This function causes the system to enter a power state equivalent
+ to the ACPI G2/S5 or G3 states.
+
+ If this function returns, it means that the system does not support shut down reset.
+**/
+VOID
+EFIAPI
+ResetShutdown (
+ VOID
+ )
+{
+ ArmPlatformSysConfigSet (SYS_CFG_SHUTDOWN, 0);
+}
- @param ImageHandle The firmware allocated handle for the EFI image.
- @param SystemTable A pointer to the EFI System Table.
+/**
+ This function causes the system to enter S3 and then wake up immediately.
- @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
+ If this function returns, it means that the system does not support S3
+ feature.
+**/
+VOID
+EFIAPI
+EnterS3WithImmediateWake (
+ VOID
+ )
+{
+ // not implemented
+}
+/**
+ 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.
**/
-EFI_STATUS
+VOID
EFIAPI
-LibInitializeResetSystem (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
+ResetPlatformSpecific (
+ IN UINTN DataSize,
+ IN VOID *ResetData
)
{
- return EFI_SUCCESS;
+ ResetCold ();
}
diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ResetSystemLib/ResetSystemLib.inf b/ArmPlatformPkg/ArmVExpressPkg/Library/ResetSystemLib/ResetSystemLib.inf index 8c17ea8cdb..780636c1de 100644 --- a/ArmPlatformPkg/ArmVExpressPkg/Library/ResetSystemLib/ResetSystemLib.inf +++ b/ArmPlatformPkg/ArmVExpressPkg/Library/ResetSystemLib/ResetSystemLib.inf @@ -2,6 +2,7 @@ # Reset System lib to make it easy to port new platforms
#
# Copyright (c) 2008, Apple Inc. All rights reserved.<BR>
+# Copyright (c) 2017, Linaro Ltd. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
@@ -19,17 +20,16 @@ FILE_GUID = 36885202-0854-4373-bfd2-95d229b44d44
MODULE_TYPE = BASE
VERSION_STRING = 1.0
- LIBRARY_CLASS = EfiResetSystemLib
+ LIBRARY_CLASS = ResetSystemLib
[Sources.common]
ResetSystemLib.c
[Packages]
+ MdeModulePkg/MdeModulePkg.dec
MdePkg/MdePkg.dec
- EmbeddedPkg/EmbeddedPkg.dec
ArmPlatformPkg/ArmPlatformPkg.dec
[LibraryClasses]
DebugLib
- BaseLib
ArmPlatformSysConfigLib
|