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| author | mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-08-03 05:11:44 +0000 |
|---|---|---|
| committer | mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-08-03 05:11:44 +0000 |
| commit | c07b2a9f88084322a86282946e5fa573351d5f23 (patch) | |
| tree | d23b0dd17474cf367f14a0bb1f1af9e3abe404c9 /PcAtChipsetPkg | |
| parent | 0564ae5ee6fe168d464ff53609385dac8de89bab (diff) | |
| download | edk2-c07b2a9f88084322a86282946e5fa573351d5f23.tar.gz edk2-c07b2a9f88084322a86282946e5fa573351d5f23.tar.bz2 edk2-c07b2a9f88084322a86282946e5fa573351d5f23.zip | |
Add ResetSystemLib instances for PCAT that only supports cold reset and a warm reset that is always converted to a cold reset.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10766 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'PcAtChipsetPkg')
| -rw-r--r-- | PcAtChipsetPkg/Library/ResetSystemLib/ResetSystemLib.c | 86 | ||||
| -rw-r--r-- | PcAtChipsetPkg/Library/ResetSystemLib/ResetSystemLib.inf | 38 |
2 files changed, 124 insertions, 0 deletions
diff --git a/PcAtChipsetPkg/Library/ResetSystemLib/ResetSystemLib.c b/PcAtChipsetPkg/Library/ResetSystemLib/ResetSystemLib.c new file mode 100644 index 0000000000..6a9dd71b00 --- /dev/null +++ b/PcAtChipsetPkg/Library/ResetSystemLib/ResetSystemLib.c @@ -0,0 +1,86 @@ +/** @file
+ Reset System Library functions for PCAT platforms
+
+ Copyright (c) 2006 - 2009, 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 <Base.h>
+
+#include <Library/DebugLib.h>
+#include <Library/IoLib.h>
+
+/**
+ 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
+ )
+{
+ IoWrite8 (0x64, 0xfe);
+}
+
+/**
+ 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
+ )
+{
+ IoWrite8 (0x64, 0xfe);
+}
+
+/**
+ 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
+ )
+{
+ ASSERT (FALSE);
+}
+
+
+/**
+ 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);
+}
diff --git a/PcAtChipsetPkg/Library/ResetSystemLib/ResetSystemLib.inf b/PcAtChipsetPkg/Library/ResetSystemLib/ResetSystemLib.inf new file mode 100644 index 0000000000..26aebc100c --- /dev/null +++ b/PcAtChipsetPkg/Library/ResetSystemLib/ResetSystemLib.inf @@ -0,0 +1,38 @@ +## @file
+# Library instance for ResetSystem library class fort PCAT systems
+#
+# 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.
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = ResetSystemLib
+ FILE_GUID = EC4F3E59-F879-418b-9E4C-7D6F434714A0
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = ResetSystemLib
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF
+#
+
+[Sources]
+ ResetSystemLib.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+
+[LibraryClasses]
+ DebugLib
+ IoLib
+
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