/**@file\r
Platform PEI driver\r
\r
- Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>\r
Copyright (c) 2011, Andrei Warkentin <andreiw@motorola.com>\r
\r
This program and the accompanying materials\r
#include <Library/ResourcePublicationLib.h>\r
#include <Guid/MemoryTypeInformation.h>\r
#include <Ppi/MasterBootMode.h>\r
+#include <IndustryStandard/Pci22.h>\r
\r
#include "Platform.h"\r
#include "Cmos.h"\r
AddUntestedMemoryBaseSizeHob (MemoryBase, (UINT64)(MemoryLimit - MemoryBase));\r
}\r
\r
-\r
VOID\r
MemMapInitialization (\r
- EFI_PHYSICAL_ADDRESS TopOfMemory\r
+ VOID\r
)\r
{\r
//\r
//\r
AddIoMemoryRangeHob (0x0A0000, BASE_1MB);\r
\r
- //\r
- // address purpose size\r
- // ------------ -------- -------------------------\r
- // max(top, 2g) PCI MMIO 0xFC000000 - max(top, 2g)\r
- // 0xFC000000 gap 44 MB\r
- // 0xFEC00000 IO-APIC 4 KB\r
- // 0xFEC01000 gap 1020 KB\r
- // 0xFED00000 HPET 1 KB\r
- // 0xFED00400 gap 1023 KB\r
- // 0xFEE00000 LAPIC 1 MB\r
- //\r
- AddIoMemoryRangeHob (TopOfMemory < BASE_2GB ? BASE_2GB : TopOfMemory, 0xFC000000);\r
- AddIoMemoryBaseSizeHob (0xFEC00000, SIZE_4KB);\r
- AddIoMemoryBaseSizeHob (0xFED00000, SIZE_1KB);\r
- AddIoMemoryBaseSizeHob (PcdGet32(PcdCpuLocalApicBaseAddress), SIZE_1MB);\r
+ if (!mXen) {\r
+ UINT32 TopOfLowRam;\r
+ TopOfLowRam = GetSystemMemorySizeBelow4gb ();\r
+\r
+ //\r
+ // address purpose size\r
+ // ------------ -------- -------------------------\r
+ // max(top, 2g) PCI MMIO 0xFC000000 - max(top, 2g)\r
+ // 0xFC000000 gap 44 MB\r
+ // 0xFEC00000 IO-APIC 4 KB\r
+ // 0xFEC01000 gap 1020 KB\r
+ // 0xFED00000 HPET 1 KB\r
+ // 0xFED00400 gap 1023 KB\r
+ // 0xFEE00000 LAPIC 1 MB\r
+ //\r
+ AddIoMemoryRangeHob (TopOfLowRam < BASE_2GB ?\r
+ BASE_2GB : TopOfLowRam, 0xFC000000);\r
+ AddIoMemoryBaseSizeHob (0xFEC00000, SIZE_4KB);\r
+ AddIoMemoryBaseSizeHob (0xFED00000, SIZE_1KB);\r
+ AddIoMemoryBaseSizeHob (PcdGet32(PcdCpuLocalApicBaseAddress), SIZE_1MB);\r
+ }\r
}\r
\r
\r
VOID\r
MiscInitialization (\r
- BOOLEAN Xen\r
+ VOID\r
)\r
{\r
//\r
//\r
BuildCpuHob (36, 16);\r
\r
- if (!Xen) {\r
+ //\r
+ // If PMREGMISC/PMIOSE is set, assume the ACPI PMBA has been configured (for\r
+ // example by Xen) and skip the setup here. This matches the logic in\r
+ // AcpiTimerLibConstructor ().\r
+ //\r
+ if ((PciRead8 (PCI_LIB_ADDRESS (0, 1, 3, 0x80)) & 0x01) == 0) {\r
+ //\r
+ // The PEI phase should be exited with fully accessibe PIIX4 IO space:\r
+ // 1. set PMBA\r
//\r
- // Set the PM I/O base address to 0x400\r
+ PciAndThenOr32 (\r
+ PCI_LIB_ADDRESS (0, 1, 3, 0x40),\r
+ (UINT32) ~0xFFC0,\r
+ PcdGet16 (PcdAcpiPmBaseAddress)\r
+ );\r
+\r
//\r
- PciAndThenOr32 (PCI_LIB_ADDRESS (0, 1, 3, 0x40), (UINT32) ~0xfc0, 0x400);\r
+ // 2. set PCICMD/IOSE\r
+ //\r
+ PciOr8 (\r
+ PCI_LIB_ADDRESS (0, 1, 3, PCI_COMMAND_OFFSET),\r
+ EFI_PCI_COMMAND_IO_SPACE\r
+ );\r
+\r
+ //\r
+ // 3. set PMREGMISC/PMIOSE\r
+ //\r
+ PciOr8 (PCI_LIB_ADDRESS (0, 1, 3, 0x80), 0x01);\r
}\r
}\r
\r
//\r
VariableStore =\r
(EFI_PHYSICAL_ADDRESS)(UINTN)\r
- AllocateRuntimePool (\r
- 2 * PcdGet32 (PcdFlashNvStorageFtwSpareSize)\r
+ AllocateAlignedRuntimePages (\r
+ EFI_SIZE_TO_PAGES (2 * PcdGet32 (PcdFlashNvStorageFtwSpareSize)),\r
+ PcdGet32 (PcdFlashNvStorageFtwSpareSize)\r
);\r
DEBUG ((EFI_D_INFO,\r
"Reserved variable store memory: 0x%lX; size: %dkb\n",\r
IN CONST EFI_PEI_SERVICES **PeiServices\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_PHYSICAL_ADDRESS TopOfMemory;\r
- BOOLEAN Xen;\r
-\r
DEBUG ((EFI_D_ERROR, "Platform PEIM Loaded\n"));\r
\r
DebugDumpCmos ();\r
\r
- TopOfMemory = MemDetect ();\r
+ XenDetect ();\r
+\r
+ BootModeInitialization ();\r
+\r
+ PublishPeiMemory ();\r
+\r
+ InitializeRamRegions ();\r
\r
- Status = InitializeXen ();\r
- Xen = EFI_ERROR (Status) ? FALSE : TRUE;\r
+ if (mXen) {\r
+ DEBUG ((EFI_D_INFO, "Xen was detected\n"));\r
+ InitializeXen ();\r
+ }\r
\r
ReserveEmuVariableNvStore ();\r
\r
PeiFvInitialization ();\r
\r
- MemMapInitialization (TopOfMemory);\r
-\r
- MiscInitialization (Xen);\r
+ MemMapInitialization ();\r
\r
- BootModeInitialization ();\r
+ MiscInitialization ();\r
\r
return EFI_SUCCESS;\r
}\r