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| author | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-05-27 21:10:18 +0000 |
|---|---|---|
| committer | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-05-27 21:10:18 +0000 |
| commit | 49ba9447c92d6fca214476381107a180d08e59d1 (patch) | |
| tree | 08bcd066ffa49329f29457b36f6ed328d9b1112f /OvmfPkg/PlatformPei/Platform.c | |
| parent | a1f11f7547b43a6b86f6925cb8ab3f836b2d5dae (diff) | |
| download | edk2-platforms-49ba9447c92d6fca214476381107a180d08e59d1.tar.xz | |
Add initial version of Open Virtual Machine Firmware (OVMF) platform.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8398 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'OvmfPkg/PlatformPei/Platform.c')
| -rw-r--r-- | OvmfPkg/PlatformPei/Platform.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/OvmfPkg/PlatformPei/Platform.c b/OvmfPkg/PlatformPei/Platform.c new file mode 100644 index 0000000000..2219ebb7ee --- /dev/null +++ b/OvmfPkg/PlatformPei/Platform.c @@ -0,0 +1,188 @@ +/**@file
+ Platform PEI driver
+
+ Copyright (c) 2006 - 2009, Intel Corporation
+ All rights reserved. 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.
+
+**/
+
+//
+// The package level header files this module uses
+//
+#include <PiPei.h>
+
+//
+// The Library classes this module consumes
+//
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/IoLib.h>
+#include <Library/PciLib.h>
+#include <Library/PeimEntryPoint.h>
+#include <Library/ResourcePublicationLib.h>
+#include <Guid/MemoryTypeInformation.h>
+
+#include "Platform.h"
+
+EFI_MEMORY_TYPE_INFORMATION mDefaultMemoryTypeInformation[] = {
+ { EfiACPIMemoryNVS, 0x004 },
+ { EfiACPIReclaimMemory, 0x01C },
+ { EfiRuntimeServicesData, 0x050 },
+ { EfiRuntimeServicesCode, 0x020 },
+ { EfiBootServicesCode, 0x0F0 },
+ { EfiBootServicesData, 0xA00 },
+ { EfiMaxMemoryType, 0x000 }
+};
+
+
+VOID
+AddIoMemoryBaseSizeHob (
+ EFI_PHYSICAL_ADDRESS MemoryBase,
+ UINT64 MemorySize
+ )
+{
+ STATIC EFI_RESOURCE_ATTRIBUTE_TYPE Attributes =
+ (
+ EFI_RESOURCE_ATTRIBUTE_PRESENT |
+ EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
+ EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
+ EFI_RESOURCE_ATTRIBUTE_TESTED
+ );
+
+ BuildResourceDescriptorHob (
+ EFI_RESOURCE_MEMORY_MAPPED_IO,
+ Attributes,
+ MemoryBase,
+ MemorySize
+ );
+}
+
+
+VOID
+AddIoMemoryRangeHob (
+ EFI_PHYSICAL_ADDRESS MemoryBase,
+ EFI_PHYSICAL_ADDRESS MemoryLimit
+ )
+{
+ AddIoMemoryBaseSizeHob (MemoryBase, (UINT64)(MemoryLimit - MemoryBase));
+}
+
+
+VOID
+AddMemoryBaseSizeHob (
+ EFI_PHYSICAL_ADDRESS MemoryBase,
+ UINT64 MemorySize
+ )
+{
+ STATIC EFI_RESOURCE_ATTRIBUTE_TYPE Attributes =
+ (
+ EFI_RESOURCE_ATTRIBUTE_PRESENT |
+ EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
+ EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
+ EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
+ EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
+ EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |
+ EFI_RESOURCE_ATTRIBUTE_TESTED
+ );
+
+ BuildResourceDescriptorHob (
+ EFI_RESOURCE_SYSTEM_MEMORY,
+ Attributes,
+ MemoryBase,
+ MemorySize
+ );
+}
+
+
+VOID
+AddMemoryRangeHob (
+ EFI_PHYSICAL_ADDRESS MemoryBase,
+ EFI_PHYSICAL_ADDRESS MemoryLimit
+ )
+{
+ AddMemoryBaseSizeHob (MemoryBase, (UINT64)(MemoryLimit - MemoryBase));
+}
+
+
+VOID
+MemMapInitialization (
+ )
+{
+ //
+ // Create Memory Type Information HOB
+ //
+ BuildGuidDataHob (
+ &gEfiMemoryTypeInformationGuid,
+ mDefaultMemoryTypeInformation,
+ sizeof(mDefaultMemoryTypeInformation)
+ );
+
+ //
+ // Local APIC range
+ //
+ AddIoMemoryBaseSizeHob (0xFEC80000, 0x80000);
+
+ //
+ // I/O APIC range
+ //
+ AddIoMemoryBaseSizeHob (0xFEC00000, 0x80000);
+
+ //
+ // Video memory + Legacy BIOS region
+ //
+ AddMemoryRangeHob (0x0A0000, 0x0B0000);
+ AddIoMemoryRangeHob (0x0B0000, 0x100000);
+}
+
+
+VOID
+MiscInitialization (
+ )
+{
+ //
+ // Disable A20 Mask
+ //
+ IoWrite8 (0x92, (UINT8) (IoRead8 (0x92) | 0x02));
+
+ //
+ // Build the CPU hob with 36-bit addressing and 16-bits of IO space.
+ //
+ BuildCpuHob (36, 16);
+}
+
+
+/**
+ Perform Platform PEI initialization.
+
+ @param FileHandle Handle of the file being invoked.
+ @param PeiServices Describes the list of possible PEI Services.
+
+ @return EFI_SUCCESS The PEIM initialized successfully.
+
+**/
+EFI_STATUS
+EFIAPI
+InitializePlatform (
+ IN EFI_PEI_FILE_HANDLE FileHandle,
+ IN CONST EFI_PEI_SERVICES **PeiServices
+ )
+{
+ DEBUG ((EFI_D_ERROR, "Platform PEIM Loaded\n"));
+
+ MemDetect ();
+
+ PeiFvInitialization ();
+
+ MemMapInitialization ();
+
+ MiscInitialization ();
+
+ return EFI_SUCCESS;
+}
+
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