Upload BSD-licensed Vlv2TbltDevicePkg and Vlv2DeviceRefCodePkg to

https://svn.code.sf.net/p/edk2/code/trunk/edk2/, 

which are for MinnowBoard MAX open source project.


Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: David Wei <david.wei@intel.com>
Reviewed-by: Mike Wu <mike.wu@intel.com>
Reviewed-by: Hot Tian <hot.tian@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16599 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
David Wei
2015-01-12 09:37:20 +00:00
committed by zwei4
parent 6f785cfcc3
commit 3cbfba02fe
518 changed files with 118538 additions and 0 deletions

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/** @file
Copyright (c) 2014, 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 <PiPei.h>
#include <Ppi/SecPlatformInformation.h>
#include <Ppi/SecPerformance.h>
#include <Ppi/TemporaryRamSupport.h>
#include <Library/LocalApicLib.h>
/**
This interface conveys state information out of the Security (SEC) phase into PEI.
@param PeiServices Pointer to the PEI Services Table.
@param StructureSize Pointer to the variable describing size of the input buffer.
@param PlatformInformationRecord Pointer to the EFI_SEC_PLATFORM_INFORMATION_RECORD.
@retval EFI_SUCCESS The data was successfully returned.
@retval EFI_BUFFER_TOO_SMALL The buffer was too small.
**/
EFI_STATUS
EFIAPI
SecPlatformInformation (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN OUT UINT64 *StructureSize,
OUT EFI_SEC_PLATFORM_INFORMATION_RECORD *PlatformInformationRecord
);
/**
This interface conveys performance information out of the Security (SEC) phase into PEI.
This service is published by the SEC phase. The SEC phase handoff has an optional
EFI_PEI_PPI_DESCRIPTOR list as its final argument when control is passed from SEC into the
PEI Foundation. As such, if the platform supports collecting performance data in SEC,
this information is encapsulated into the data structure abstracted by this service.
This information is collected for the boot-strap processor (BSP) on IA-32.
@param[in] PeiServices The pointer to the PEI Services Table.
@param[in] This The pointer to this instance of the PEI_SEC_PERFORMANCE_PPI.
@param[out] Performance The pointer to performance data collected in SEC phase.
@retval EFI_SUCCESS The data was successfully returned.
**/
EFI_STATUS
EFIAPI
SecGetPerformance (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN PEI_SEC_PERFORMANCE_PPI *This,
OUT FIRMWARE_SEC_PERFORMANCE *Performance
);
/**
This service of the TEMPORARY_RAM_SUPPORT_PPI that migrates temporary RAM into
permanent memory.
@param PeiServices Pointer to the PEI Services Table.
@param TemporaryMemoryBase Source Address in temporary memory from which the SEC or PEIM will copy the
Temporary RAM contents.
@param PermanentMemoryBase Destination Address in permanent memory into which the SEC or PEIM will copy the
Temporary RAM contents.
@param CopySize Amount of memory to migrate from temporary to permanent memory.
@retval EFI_SUCCESS The data was successfully returned.
@retval EFI_INVALID_PARAMETER PermanentMemoryBase + CopySize > TemporaryMemoryBase when
TemporaryMemoryBase > PermanentMemoryBase.
**/
EFI_STATUS
EFIAPI
SecTemporaryRamSupport (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN EFI_PHYSICAL_ADDRESS TemporaryMemoryBase,
IN EFI_PHYSICAL_ADDRESS PermanentMemoryBase,
IN UINTN CopySize
);
EFI_SEC_PLATFORM_INFORMATION_PPI mSecPlatformInformationPpi = {
SecPlatformInformation
};
PEI_SEC_PERFORMANCE_PPI mSecPerformancePpi = {
SecGetPerformance
};
EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI gSecTemporaryRamSupportPpi = {
SecTemporaryRamSupport
};
EFI_PEI_PPI_DESCRIPTOR mPeiSecPlatformPpi[] = {
{
EFI_PEI_PPI_DESCRIPTOR_PPI,
&gEfiSecPlatformInformationPpiGuid,
&mSecPlatformInformationPpi
},
{
EFI_PEI_PPI_DESCRIPTOR_PPI,
&gPeiSecPerformancePpiGuid,
&mSecPerformancePpi
},
{
EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,
&gEfiTemporaryRamSupportPpiGuid,
&gSecTemporaryRamSupportPpi
},
};
/**
A developer supplied function to perform platform specific operations.
It's a developer supplied function to perform any operations appropriate to a
given platform. It's invoked just before passing control to PEI core by SEC
core. Platform developer may modify the SecCoreData passed to PEI Core.
It returns a platform specific PPI list that platform wishes to pass to PEI core.
The Generic SEC core module will merge this list to join the final list passed to
PEI core.
@param SecCoreData The same parameter as passing to PEI core. It
could be overridden by this function.
@return The platform specific PPI list to be passed to PEI core or
NULL if there is no need of such platform specific PPI list.
**/
EFI_PEI_PPI_DESCRIPTOR *
EFIAPI
SecPlatformMain (
IN OUT EFI_SEC_PEI_HAND_OFF *SecCoreData
)
{
EFI_PEI_PPI_DESCRIPTOR *PpiList;
InitializeApicTimer (0, (UINT32) -1, TRUE, 5);
PpiList = &mPeiSecPlatformPpi[0];
return PpiList;
}

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## @file
#
# Copyright (c) 2014, 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 Section - statements that will be processed to create a Makefile.
#
################################################################################
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = SecPeiFspPlatformSecLibVlv2
FILE_GUID = 6653876C-F6A1-45BB-A027-20455093BC6D
MODULE_TYPE = SEC
VERSION_STRING = 1.0
LIBRARY_CLASS = FspPlatformSecLib
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32 X64
#
################################################################################
#
# Sources Section - list of files that are required for the build to succeed.
#
################################################################################
[Sources]
FspPlatformSecLibVlv2.c
SecRamInitData.c
SaveSecContext.c
SecPlatformInformation.c
SecGetPerformance.c
SecTempRamSupport.c
PlatformInit.c
UartInit.c
[Sources.IA32]
Ia32/SecEntry.asm
Ia32/PeiCoreEntry.asm
Ia32/AsmSaveSecContext.asm
Ia32/Stack.asm
################################################################################
#
# Package Dependency Section - list of Package files that are required for
# this module.
#
################################################################################
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
UefiCpuPkg/UefiCpuPkg.dec
IntelFspWrapperPkg/IntelFspWrapperPkg.dec
[LibraryClasses]
LocalApicLib
SerialPortLib
[Ppis]
gEfiSecPlatformInformationPpiGuid
gPeiSecPerformancePpiGuid
gEfiTemporaryRamSupportPpiGuid
[Pcd]
gFspWrapperTokenSpaceGuid.PcdPeiTemporaryRamStackSize
gFspWrapperTokenSpaceGuid.PcdFlashFvFspBase
gFspWrapperTokenSpaceGuid.PcdFlashFvFspSize
[FixedPcd]
gFspWrapperTokenSpaceGuid.PcdCpuMicrocodePatchAddress
gFspWrapperTokenSpaceGuid.PcdCpuMicrocodePatchRegionSize
gFspWrapperTokenSpaceGuid.PcdFlashMicroCodeOffset
gFspWrapperTokenSpaceGuid.PcdFlashCodeCacheAddress
gFspWrapperTokenSpaceGuid.PcdFlashCodeCacheSize

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;------------------------------------------------------------------------------
;
; Copyright (c) 2014, 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.
;
; Module Name:
;
; SecEntry.asm
;
; Abstract:
;
; This is the code that goes from real-mode to protected mode.
; It consumes the reset vector, calls two basic APIs from FSP binary.
;
;------------------------------------------------------------------------------
.686p
.xmm
.model flat,c
.code
;----------------------------------------------------------------------------
; MMX Usage:
; MM0 = BIST State
; MM5 = Save time-stamp counter value high32bit
; MM6 = Save time-stamp counter value low32bit.
;
; It should be same as SecEntry.asm and PeiCoreEntry.asm.
;----------------------------------------------------------------------------
AsmSaveBistValue PROC PUBLIC
mov eax, [esp+4]
movd mm0, eax
ret
AsmSaveBistValue ENDP
AsmSaveTickerValue PROC PUBLIC
mov eax, [esp+4]
movd mm6, eax
mov eax, [esp+8]
movd mm5, eax
ret
AsmSaveTickerValue ENDP
END

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;------------------------------------------------------------------------------
;
; Copyright (c) 2014, 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.
;
; Module Name:
;
; Fsp.inc
;
; Abstract:
;
; Fsp related definitions
;
;------------------------------------------------------------------------------
;
; Fv Header
;
FVH_SIGINATURE_OFFSET EQU 028h
FVH_SIGINATURE_VALID_VALUE EQU 04856465Fh ; valid signature:_FVH
FVH_HEADER_LENGTH_OFFSET EQU 030h
FVH_EXTHEADER_OFFSET_OFFSET EQU 034h
FVH_EXTHEADER_SIZE_OFFSET EQU 010h
;
; Ffs Header
;
FSP_HEADER_GUID_DWORD1 EQU 0912740BEh
FSP_HEADER_GUID_DWORD2 EQU 047342284h
FSP_HEADER_GUID_DWORD3 EQU 0B08471B9h
FSP_HEADER_GUID_DWORD4 EQU 00C3F3527h
FFS_HEADER_SIZE_VALUE EQU 018h
;
; Section Header
;
SECTION_HEADER_TYPE_OFFSET EQU 03h
RAW_SECTION_HEADER_SIZE_VALUE EQU 04h
;
; Fsp Header
;
FSP_HEADER_IMAGEBASE_OFFSET EQU 01Ch
FSP_HEADER_TEMPRAMINIT_OFFSET EQU 030h

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;------------------------------------------------------------------------------
;
; Copyright (c) 2014, 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.
;
; Module Name:
;
; SecEntry.asm
;
; Abstract:
;
; This is the code that goes from real-mode to protected mode.
; It consumes the reset vector, calls two basic APIs from FSP binary.
;
;------------------------------------------------------------------------------
.686p
.xmm
.model flat, c
.code
EXTRN SecStartup:NEAR
EXTRN PlatformInit:NEAR
CallPeiCoreEntryPoint PROC PUBLIC
;
; Obtain the hob list pointer
;
mov eax, [esp+4]
;
; Obtain the stack information
; ECX: start of range
; EDX: end of range
;
mov ecx, [esp+8]
mov edx, [esp+0Ch]
;
; Platform init
;
pushad
push edx
push ecx
push eax
call PlatformInit
pop eax
pop eax
pop eax
popad
;
; Set stack top pointer
;
mov esp, edx
;
; Push the hob list pointer
;
push eax
;
; Save the value
; ECX: start of range
; EDX: end of range
;
mov ebp, esp
push ecx
push edx
;
; Push processor count to stack first, then BIST status (AP then BSP)
;
mov eax, 1
cpuid
shr ebx, 16
and ebx, 0000000FFh
cmp bl, 1
jae PushProcessorCount
;
; Some processors report 0 logical processors. Effectively 0 = 1.
; So we fix up the processor count
;
inc ebx
PushProcessorCount:
push ebx
;
; We need to implement a long-term solution for BIST capture. For now, we just copy BSP BIST
; for all processor threads
;
xor ecx, ecx
mov cl, bl
PushBist:
movd eax, mm0
push eax
loop PushBist
; Save Time-Stamp Counter
movd eax, mm5
push eax
movd eax, mm6
push eax
;
; Pass entry point of the PEI core
;
mov edi, 0FFFFFFE0h
push DWORD PTR ds:[edi]
;
; Pass BFV into the PEI Core
;
mov edi, 0FFFFFFFCh
push DWORD PTR ds:[edi]
;
; Pass stack size into the PEI Core
;
mov ecx, [ebp - 4]
mov edx, [ebp - 8]
push ecx ; RamBase
sub edx, ecx
push edx ; RamSize
;
; Pass Control into the PEI Core
;
call SecStartup
CallPeiCoreEntryPoint ENDP
END

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;------------------------------------------------------------------------------
;
; Copyright (c) 2014, 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.
;
; Module Name:
;
; SecEntry.asm
;
; Abstract:
;
; This is the code that goes from real-mode to protected mode.
; It consumes the reset vector, calls two basic APIs from FSP binary.
;
;------------------------------------------------------------------------------
INCLUDE Fsp.inc
.686p
.xmm
.model small, c
EXTRN CallPeiCoreEntryPoint:NEAR
EXTRN TempRamInitParams:FAR
; Pcds
EXTRN PcdGet32 (PcdFlashFvFspBase):DWORD
EXTRN PcdGet32 (PcdFlashFvFspSize):DWORD
_TEXT_REALMODE SEGMENT PARA PUBLIC USE16 'CODE'
ASSUME CS:_TEXT_REALMODE, DS:_TEXT_REALMODE
;----------------------------------------------------------------------------
;
; Procedure: _ModuleEntryPoint
;
; Input: None
;
; Output: None
;
; Destroys: Assume all registers
;
; Description:
;
; Transition to non-paged flat-model protected mode from a
; hard-coded GDT that provides exactly two descriptors.
; This is a bare bones transition to protected mode only
; used for a while in PEI and possibly DXE.
;
; After enabling protected mode, a far jump is executed to
; transfer to PEI using the newly loaded GDT.
;
; Return: None
;
; MMX Usage:
; MM0 = BIST State
; MM5 = Save time-stamp counter value high32bit
; MM6 = Save time-stamp counter value low32bit.
;
;----------------------------------------------------------------------------
align 4
_ModuleEntryPoint PROC NEAR C PUBLIC
fninit ; clear any pending Floating point exceptions
;
; Store the BIST value in mm0
;
movd mm0, eax
;
; Save time-stamp counter value
; rdtsc load 64bit time-stamp counter to EDX:EAX
;
rdtsc
movd mm5, edx
movd mm6, eax
;
; Load the GDT table in GdtDesc
;
mov esi, OFFSET GdtDesc
DB 66h
lgdt fword ptr cs:[si]
;
; Transition to 16 bit protected mode
;
mov eax, cr0 ; Get control register 0
or eax, 00000003h ; Set PE bit (bit #0) & MP bit (bit #1)
mov cr0, eax ; Activate protected mode
mov eax, cr4 ; Get control register 4
or eax, 00000600h ; Set OSFXSR bit (bit #9) & OSXMMEXCPT bit (bit #10)
mov cr4, eax
;
; Now we're in 16 bit protected mode
; Set up the selectors for 32 bit protected mode entry
;
mov ax, SYS_DATA_SEL
mov ds, ax
mov es, ax
mov fs, ax
mov gs, ax
mov ss, ax
;
; Transition to Flat 32 bit protected mode
; The jump to a far pointer causes the transition to 32 bit mode
;
mov esi, offset ProtectedModeEntryLinearAddress
jmp fword ptr cs:[si]
_ModuleEntryPoint ENDP
_TEXT_REALMODE ENDS
_TEXT_PROTECTED_MODE SEGMENT PARA PUBLIC USE32 'CODE'
ASSUME CS:_TEXT_PROTECTED_MODE, DS:_TEXT_PROTECTED_MODE
;----------------------------------------------------------------------------
;
; Procedure: ProtectedModeEntryPoint
;
; Input: None
;
; Output: None
;
; Destroys: Assume all registers
;
; Description:
;
; This function handles:
; Call two basic APIs from FSP binary
; Initializes stack with some early data (BIST, PEI entry, etc)
;
; Return: None
;
;----------------------------------------------------------------------------
align 4
ProtectedModeEntryPoint PROC NEAR PUBLIC
; Find the fsp info header
mov edi, PcdGet32 (PcdFlashFvFspBase)
mov ecx, PcdGet32 (PcdFlashFvFspSize)
mov eax, dword ptr [edi + FVH_SIGINATURE_OFFSET]
cmp eax, FVH_SIGINATURE_VALID_VALUE
jnz FspHeaderNotFound
xor eax, eax
mov ax, word ptr [edi + FVH_EXTHEADER_OFFSET_OFFSET]
cmp ax, 0
jnz FspFvExtHeaderExist
xor eax, eax
mov ax, word ptr [edi + FVH_HEADER_LENGTH_OFFSET] ; Bypass Fv Header
add edi, eax
jmp FspCheckFfsHeader
FspFvExtHeaderExist:
add edi, eax
mov eax, dword ptr [edi + FVH_EXTHEADER_SIZE_OFFSET] ; Bypass Ext Fv Header
add edi, eax
; Round up to 8 byte alignment
mov eax, edi
and al, 07h
jz FspCheckFfsHeader
and edi, 0FFFFFFF8h
add edi, 08h
FspCheckFfsHeader:
; Check the ffs guid
mov eax, dword ptr [edi]
cmp eax, FSP_HEADER_GUID_DWORD1
jnz FspHeaderNotFound
mov eax, dword ptr [edi + 4]
cmp eax, FSP_HEADER_GUID_DWORD2
jnz FspHeaderNotFound
mov eax, dword ptr [edi + 8]
cmp eax, FSP_HEADER_GUID_DWORD3
jnz FspHeaderNotFound
mov eax, dword ptr [edi + 0Ch]
cmp eax, FSP_HEADER_GUID_DWORD4
jnz FspHeaderNotFound
add edi, FFS_HEADER_SIZE_VALUE ; Bypass the ffs header
; Check the section type as raw section
mov al, byte ptr [edi + SECTION_HEADER_TYPE_OFFSET]
cmp al, 019h
jnz FspHeaderNotFound
add edi, RAW_SECTION_HEADER_SIZE_VALUE ; Bypass the section header
jmp FspHeaderFound
FspHeaderNotFound:
jmp $
FspHeaderFound:
; Get the fsp TempRamInit Api address
mov eax, dword ptr [edi + FSP_HEADER_IMAGEBASE_OFFSET]
add eax, dword ptr [edi + FSP_HEADER_TEMPRAMINIT_OFFSET]
; Setup the hardcode stack
mov esp, OFFSET TempRamInitStack
; Call the fsp TempRamInit Api
jmp eax
TempRamInitDone:
cmp eax, 0
jnz FspApiFailed
; ECX: start of range
; EDX: end of range
mov esp, edx
push edx
push ecx
push eax ; zero - no hob list yet
call CallPeiCoreEntryPoint
FspApiFailed:
jmp $
align 10h
TempRamInitStack:
DD OFFSET TempRamInitDone
DD OFFSET TempRamInitParams
ProtectedModeEntryPoint ENDP
;
; ROM-based Global-Descriptor Table for the Tiano PEI Phase
;
align 16
PUBLIC BootGdtTable
;
; GDT[0]: 0x00: Null entry, never used.
;
NULL_SEL EQU $ - GDT_BASE ; Selector [0]
GDT_BASE:
BootGdtTable DD 0
DD 0
;
; Linear data segment descriptor
;
LINEAR_SEL EQU $ - GDT_BASE ; Selector [0x8]
DW 0FFFFh ; limit 0xFFFFF
DW 0 ; base 0
DB 0
DB 092h ; present, ring 0, data, expand-up, writable
DB 0CFh ; page-granular, 32-bit
DB 0
;
; Linear code segment descriptor
;
LINEAR_CODE_SEL EQU $ - GDT_BASE ; Selector [0x10]
DW 0FFFFh ; limit 0xFFFFF
DW 0 ; base 0
DB 0
DB 09Bh ; present, ring 0, data, expand-up, not-writable
DB 0CFh ; page-granular, 32-bit
DB 0
;
; System data segment descriptor
;
SYS_DATA_SEL EQU $ - GDT_BASE ; Selector [0x18]
DW 0FFFFh ; limit 0xFFFFF
DW 0 ; base 0
DB 0
DB 093h ; present, ring 0, data, expand-up, not-writable
DB 0CFh ; page-granular, 32-bit
DB 0
;
; System code segment descriptor
;
SYS_CODE_SEL EQU $ - GDT_BASE ; Selector [0x20]
DW 0FFFFh ; limit 0xFFFFF
DW 0 ; base 0
DB 0
DB 09Ah ; present, ring 0, data, expand-up, writable
DB 0CFh ; page-granular, 32-bit
DB 0
;
; Spare segment descriptor
;
SYS16_CODE_SEL EQU $ - GDT_BASE ; Selector [0x28]
DW 0FFFFh ; limit 0xFFFFF
DW 0 ; base 0
DB 0Eh ; Changed from F000 to E000.
DB 09Bh ; present, ring 0, code, expand-up, writable
DB 00h ; byte-granular, 16-bit
DB 0
;
; Spare segment descriptor
;
SYS16_DATA_SEL EQU $ - GDT_BASE ; Selector [0x30]
DW 0FFFFh ; limit 0xFFFF
DW 0 ; base 0
DB 0
DB 093h ; present, ring 0, data, expand-up, not-writable
DB 00h ; byte-granular, 16-bit
DB 0
;
; Spare segment descriptor
;
SPARE5_SEL EQU $ - GDT_BASE ; Selector [0x38]
DW 0 ; limit 0
DW 0 ; base 0
DB 0
DB 0 ; present, ring 0, data, expand-up, writable
DB 0 ; page-granular, 32-bit
DB 0
GDT_SIZE EQU $ - BootGdtTable ; Size, in bytes
;
; GDT Descriptor
;
GdtDesc: ; GDT descriptor
DW GDT_SIZE - 1 ; GDT limit
DD OFFSET BootGdtTable ; GDT base address
ProtectedModeEntryLinearAddress LABEL FWORD
ProtectedModeEntryLinearOffset LABEL DWORD
DD OFFSET ProtectedModeEntryPoint ; Offset of our 32 bit code
DW LINEAR_CODE_SEL
_TEXT_PROTECTED_MODE ENDS
END

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#------------------------------------------------------------------------------
#
# Copyright (c) 2014, 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.
#
# Abstract:
#
# Switch the stack from temporary memory to permenent memory.
#
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# VOID
# EFIAPI
# SecSwitchStack (
# UINT32 TemporaryMemoryBase,
# UINT32 PermenentMemoryBase
# )#
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX (SecSwitchStack)
ASM_PFX(SecSwitchStack):
#
# Save standard registers so they can be used to change stack
#
pushl %eax
pushl %ebx
pushl %ecx
pushl %edx
#
# !!CAUTION!! this function address's is pushed into stack after
# migration of whole temporary memory, so need save it to permenent
# memory at first!
#
movl 20(%esp), %ebx # Save the first parameter
movl 24(%esp), %ecx # Save the second parameter
#
# Save this function's return address into permenent memory at first.
# Then, Fixup the esp point to permenent memory
#
movl %esp, %eax
subl %ebx, %eax
addl %ecx, %eax
movl 0(%esp), %edx # copy pushed register's value to permenent memory
movl %edx, 0(%eax)
movl 4(%esp), %edx
movl %edx, 4(%eax)
movl 8(%esp), %edx
movl %edx, 8(%eax)
movl 12(%esp), %edx
movl %edx, 12(%eax)
movl 16(%esp), %edx # Update this function's return address into permenent memory
movl %edx, 16(%eax)
movl %eax, %esp # From now, esp is pointed to permenent memory
#
# Fixup the ebp point to permenent memory
#
movl %ebp, %eax
subl %ebx, %eax
addl %ecx, %eax
movl %eax, %ebp # From now, ebp is pointed to permenent memory
popl %edx
popl %ecx
popl %ebx
popl %eax
ret

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;------------------------------------------------------------------------------
;
; Copyright (c) 2014, 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.
;
; Abstract:
;
; Switch the stack from temporary memory to permenent memory.
;
;------------------------------------------------------------------------------
.586p
.model flat,C
.code
;------------------------------------------------------------------------------
; VOID
; EFIAPI
; SecSwitchStack (
; UINT32 TemporaryMemoryBase,
; UINT32 PermenentMemoryBase
; );
;------------------------------------------------------------------------------
SecSwitchStack PROC
;
; Save three register: eax, ebx, ecx
;
push eax
push ebx
push ecx
push edx
;
; !!CAUTION!! this function address's is pushed into stack after
; migration of whole temporary memory, so need save it to permenent
; memory at first!
;
mov ebx, [esp + 20] ; Save the first parameter
mov ecx, [esp + 24] ; Save the second parameter
;
; Save this function's return address into permenent memory at first.
; Then, Fixup the esp point to permenent memory
;
mov eax, esp
sub eax, ebx
add eax, ecx
mov edx, dword ptr [esp] ; copy pushed register's value to permenent memory
mov dword ptr [eax], edx
mov edx, dword ptr [esp + 4]
mov dword ptr [eax + 4], edx
mov edx, dword ptr [esp + 8]
mov dword ptr [eax + 8], edx
mov edx, dword ptr [esp + 12]
mov dword ptr [eax + 12], edx
mov edx, dword ptr [esp + 16] ; Update this function's return address into permenent memory
mov dword ptr [eax + 16], edx
mov esp, eax ; From now, esp is pointed to permenent memory
;
; Fixup the ebp point to permenent memory
;
mov eax, ebp
sub eax, ebx
add eax, ecx
mov ebp, eax ; From now, ebp is pointed to permenent memory
pop edx
pop ecx
pop ebx
pop eax
ret
SecSwitchStack ENDP
END

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/** @file
This PEIM will parse the hoblist from fsp and report them into pei core.
This file contains the main entrypoint of the PEIM.
Copyright (c) 2014, 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 <PiPei.h>
#include <Library\DebugLib.h>
#include <Library\SerialPortLib.h>
VOID EnableInternalUart ();
VOID
EFIAPI
PlatformInit (
IN VOID *FspHobList,
IN VOID *StartOfRange,
IN VOID *EndOfRange
)
{
//
// Platform initialization
// Enable Serial port here
//
EnableInternalUart ();
SerialPortInitialize ();
DEBUG ((DEBUG_INFO, "PlatformInit\n"));
DEBUG ((DEBUG_INFO, "FspHobList - 0x%x\n", FspHobList));
DEBUG ((DEBUG_INFO, "StartOfRange - 0x%x\n", StartOfRange));
DEBUG ((DEBUG_INFO, "EndOfRange - 0x%x\n", EndOfRange));
}

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/** @file
This PEIM will parse the hoblist from fsp and report them into pei core.
This file contains the main entrypoint of the PEIM.
Copyright (c) 2014, 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 <PiPei.h>
#include <Library/DebugLib.h>
#include <Ppi/TopOfTemporaryRam.h>
#include <Ppi/SecPlatformInformation.h>
/**
Save BIST value before call FspInit.
@param Bist BIST value.
**/
VOID
AsmSaveBistValue (
IN UINT32 Bist
);
/**
Save Ticker value before call FspInit.
@param Ticker Ticker value.
**/
VOID
AsmSaveTickerValue (
IN UINT64 Ticker
);
/**
Save SEC context before call FspInit.
@param PeiServices Pointer to PEI Services Table.
**/
VOID
EFIAPI
SaveSecContext (
IN CONST EFI_PEI_SERVICES **PeiServices
)
{
UINT32 *Bist;
UINT64 *Ticker;
UINT32 Size;
UINT32 Count;
UINT32 TopOfTemporaryRam;
VOID *TopOfTemporaryRamPpi;
EFI_STATUS Status;
DEBUG ((DEBUG_INFO, "SaveSecContext - 0x%x\n", PeiServices));
Status = (*PeiServices)->LocatePpi (
PeiServices,
&gTopOfTemporaryRamPpiGuid,
0,
NULL,
(VOID **) &TopOfTemporaryRamPpi
);
if (EFI_ERROR (Status)) {
return ;
}
DEBUG ((DEBUG_INFO, "TopOfTemporaryRamPpi - 0x%x\n", TopOfTemporaryRamPpi));
//
// The entries of BIST information, together with the number of them,
// reside in the bottom of stack, left untouched by normal stack operation.
// This routine copies the BIST information to the buffer pointed by
// PlatformInformationRecord for output.
//
// |--------------| <- TopOfTemporaryRam
// |Number of BSPs|
// |--------------|
// | BIST |
// |--------------|
// | .... |
// |--------------|
// | TSC[63:32] |
// |--------------|
// | TSC[31:00] |
// |--------------|
//
TopOfTemporaryRam = (UINT32)(UINTN)TopOfTemporaryRamPpi - sizeof(UINT32);
TopOfTemporaryRam -= sizeof(UINT32) * 2;
DEBUG ((DEBUG_INFO, "TopOfTemporaryRam - 0x%x\n", TopOfTemporaryRam));
Count = *(UINT32 *)(UINTN)(TopOfTemporaryRam - sizeof(UINT32));
DEBUG ((DEBUG_INFO, "Count - 0x%x\n", Count));
Size = Count * sizeof (IA32_HANDOFF_STATUS);
DEBUG ((DEBUG_INFO, "Size - 0x%x\n", Size));
Bist = (UINT32 *)(UINTN)(TopOfTemporaryRam - sizeof(UINT32) - Size);
DEBUG ((DEBUG_INFO, "Bist - 0x%x\n", *Bist));
Ticker = (UINT64 *)(UINTN)(TopOfTemporaryRam - sizeof(UINT32) - Size - sizeof(UINT64));
DEBUG ((DEBUG_INFO, "Ticker - 0x%lx\n", *Ticker));
//
// Just need record BSP
//
AsmSaveBistValue (*Bist);
AsmSaveTickerValue (*Ticker);
}

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/** @file
Copyright (c) 2014, 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 <PiPei.h>
#include <Ppi/SecPerformance.h>
#include <Ppi/TopOfTemporaryRam.h>
#include <Library/BaseMemoryLib.h>
#include <Library/TimerLib.h>
#include <Library/DebugLib.h>
/**
This interface conveys performance information out of the Security (SEC) phase into PEI.
This service is published by the SEC phase. The SEC phase handoff has an optional
EFI_PEI_PPI_DESCRIPTOR list as its final argument when control is passed from SEC into the
PEI Foundation. As such, if the platform supports collecting performance data in SEC,
this information is encapsulated into the data structure abstracted by this service.
This information is collected for the boot-strap processor (BSP) on IA-32.
@param[in] PeiServices The pointer to the PEI Services Table.
@param[in] This The pointer to this instance of the PEI_SEC_PERFORMANCE_PPI.
@param[out] Performance The pointer to performance data collected in SEC phase.
@retval EFI_SUCCESS The data was successfully returned.
**/
EFI_STATUS
EFIAPI
SecGetPerformance (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN PEI_SEC_PERFORMANCE_PPI *This,
OUT FIRMWARE_SEC_PERFORMANCE *Performance
)
{
UINT32 Size;
UINT32 Count;
UINT32 TopOfTemporaryRam;
UINT64 Ticker;
VOID *TopOfTemporaryRamPpi;
EFI_STATUS Status;
DEBUG ((DEBUG_INFO, "SecGetPerformance\n"));
Status = (*PeiServices)->LocatePpi (
PeiServices,
&gTopOfTemporaryRamPpiGuid,
0,
NULL,
(VOID **) &TopOfTemporaryRamPpi
);
if (EFI_ERROR (Status)) {
return EFI_NOT_FOUND;
}
//
// |--------------| <- TopOfTemporaryRam
// |Number of BSPs|
// |--------------|
// | BIST |
// |--------------|
// | .... |
// |--------------|
// | TSC[63:32] |
// |--------------|
// | TSC[31:00] |
// |--------------|
//
TopOfTemporaryRam = (UINT32)(UINTN)TopOfTemporaryRamPpi - sizeof(UINT32);
TopOfTemporaryRam -= sizeof(UINT32) * 2;
Count = *(UINT32 *) (UINTN) (TopOfTemporaryRam - sizeof (UINT32));
Size = Count * sizeof (UINT64);
Ticker = *(UINT64 *) (UINTN) (TopOfTemporaryRam - sizeof (UINT32) - Size - sizeof (UINT32) * 2);
Performance->ResetEnd = GetTimeInNanoSecond (Ticker);
return EFI_SUCCESS;
}

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/** @file
Copyright (c) 2014, 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 <PiPei.h>
#include <Ppi/SecPlatformInformation.h>
#include <Ppi/TopOfTemporaryRam.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
/**
This interface conveys state information out of the Security (SEC) phase into PEI.
@param PeiServices Pointer to the PEI Services Table.
@param StructureSize Pointer to the variable describing size of the input buffer.
@param PlatformInformationRecord Pointer to the EFI_SEC_PLATFORM_INFORMATION_RECORD.
@retval EFI_SUCCESS The data was successfully returned.
@retval EFI_BUFFER_TOO_SMALL The buffer was too small.
**/
EFI_STATUS
EFIAPI
SecPlatformInformation (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN OUT UINT64 *StructureSize,
OUT EFI_SEC_PLATFORM_INFORMATION_RECORD *PlatformInformationRecord
)
{
UINT32 *Bist;
UINT32 Size;
UINT32 Count;
UINT32 TopOfTemporaryRam;
VOID *TopOfTemporaryRamPpi;
EFI_STATUS Status;
DEBUG ((DEBUG_INFO, "SecPlatformInformation\n"));
Status = (*PeiServices)->LocatePpi (
PeiServices,
&gTopOfTemporaryRamPpiGuid,
0,
NULL,
(VOID **) &TopOfTemporaryRamPpi
);
if (EFI_ERROR (Status)) {
return EFI_NOT_FOUND;
}
//
// The entries of BIST information, together with the number of them,
// reside in the bottom of stack, left untouched by normal stack operation.
// This routine copies the BIST information to the buffer pointed by
// PlatformInformationRecord for output.
//
TopOfTemporaryRam = (UINT32)(UINTN)TopOfTemporaryRamPpi - sizeof (UINT32);
TopOfTemporaryRam -= sizeof(UINT32) * 2;
Count = *((UINT32 *)(UINTN) (TopOfTemporaryRam - sizeof (UINT32)));
Size = Count * sizeof (IA32_HANDOFF_STATUS);
if ((*StructureSize) < (UINT64) Size) {
*StructureSize = Size;
return EFI_BUFFER_TOO_SMALL;
}
*StructureSize = Size;
Bist = (UINT32 *) (TopOfTemporaryRam - sizeof (UINT32) - Size);
CopyMem (PlatformInformationRecord, Bist, Size);
return EFI_SUCCESS;
}

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/** @file
Calling Fsp Apis in SEC
Copyright (c) 2014, 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 <Library/PcdLib.h>
GLOBAL_REMOVE_IF_UNREFERENCED CONST UINT32 TempRamInitParams[4] = {
((UINT32)FixedPcdGet64 (PcdCpuMicrocodePatchAddress) + FixedPcdGet32 (PcdFlashMicroCodeOffset)),
((UINT32)FixedPcdGet64 (PcdCpuMicrocodePatchRegionSize) - FixedPcdGet32 (PcdFlashMicroCodeOffset)),
FixedPcdGet32 (PcdFlashCodeCacheAddress),
FixedPcdGet32 (PcdFlashCodeCacheSize)
};

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/** @file
C functions in SEC
Copyright (c) 2014, 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 <PiPei.h>
#include <Ppi/TemporaryRamSupport.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/PcdLib.h>
#include <Library/DebugAgentLib.h>
/**
Switch the stack in the temporary memory to the one in the permanent memory.
This function must be invoked after the memory migration immediately. The relative
position of the stack in the temporary and permanent memory is same.
@param TemporaryMemoryBase Base address of the temporary memory.
@param PermenentMemoryBase Base address of the permanent memory.
**/
VOID
EFIAPI
SecSwitchStack (
UINT32 TemporaryMemoryBase,
UINT32 PermenentMemoryBase
);
/**
This service of the TEMPORARY_RAM_SUPPORT_PPI that migrates temporary RAM into
permanent memory.
@param PeiServices Pointer to the PEI Services Table.
@param TemporaryMemoryBase Source Address in temporary memory from which the SEC or PEIM will copy the
Temporary RAM contents.
@param PermanentMemoryBase Destination Address in permanent memory into which the SEC or PEIM will copy the
Temporary RAM contents.
@param CopySize Amount of memory to migrate from temporary to permanent memory.
@retval EFI_SUCCESS The data was successfully returned.
@retval EFI_INVALID_PARAMETER PermanentMemoryBase + CopySize > TemporaryMemoryBase when
TemporaryMemoryBase > PermanentMemoryBase.
**/
EFI_STATUS
EFIAPI
SecTemporaryRamSupport (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN EFI_PHYSICAL_ADDRESS TemporaryMemoryBase,
IN EFI_PHYSICAL_ADDRESS PermanentMemoryBase,
IN UINTN CopySize
)
{
IA32_DESCRIPTOR IdtDescriptor;
VOID* OldHeap;
VOID* NewHeap;
VOID* OldStack;
VOID* NewStack;
DEBUG_AGENT_CONTEXT_POSTMEM_SEC DebugAgentContext;
BOOLEAN OldStatus;
UINTN PeiStackSize;
PeiStackSize = (UINTN)PcdGet32 (PcdPeiTemporaryRamStackSize);
if (PeiStackSize == 0) {
PeiStackSize = (CopySize >> 1);
}
ASSERT (PeiStackSize < CopySize);
//
// |-------------------|---->
// | Stack | PeiStackSize
// |-------------------|---->
// | Heap | PeiTemporayRamSize
// |-------------------|----> TempRamBase
//
// |-------------------|---->
// | Heap | PeiTemporayRamSize
// |-------------------|---->
// | Stack | PeiStackSize
// |-------------------|----> PermanentMemoryBase
//
OldHeap = (VOID*)(UINTN)TemporaryMemoryBase;
NewHeap = (VOID*)((UINTN)PermanentMemoryBase + PeiStackSize);
OldStack = (VOID*)((UINTN)TemporaryMemoryBase + CopySize - PeiStackSize);
NewStack = (VOID*)(UINTN)PermanentMemoryBase;
DebugAgentContext.HeapMigrateOffset = (UINTN)NewHeap - (UINTN)OldHeap;
DebugAgentContext.StackMigrateOffset = (UINTN)NewStack - (UINTN)OldStack;
OldStatus = SaveAndSetDebugTimerInterrupt (FALSE);
//
// Initialize Debug Agent to support source level debug in PEI phase after memory ready.
// It will build HOB and fix up the pointer in IDT table.
//
InitializeDebugAgent (DEBUG_AGENT_INIT_POSTMEM_SEC, (VOID *) &DebugAgentContext, NULL);
//
// Migrate Heap
//
CopyMem (NewHeap, OldHeap, CopySize - PeiStackSize);
//
// Migrate Stack
//
CopyMem (NewStack, OldStack, PeiStackSize);
//
// We need *not* fix the return address because currently,
// The PeiCore is executed in flash.
//
//
// Rebase IDT table in permanent memory
//
AsmReadIdtr (&IdtDescriptor);
IdtDescriptor.Base = IdtDescriptor.Base - (UINTN)OldStack + (UINTN)NewStack;
AsmWriteIdtr (&IdtDescriptor);
//
// Program MTRR
//
//
// SecSwitchStack function must be invoked after the memory migration
// immediatly, also we need fixup the stack change caused by new call into
// permenent memory.
//
SecSwitchStack (
(UINT32) (UINTN) OldStack,
(UINT32) (UINTN) NewStack
);
SaveAndSetDebugTimerInterrupt (OldStatus);
return EFI_SUCCESS;
}

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/** @file
This PEIM will parse the hoblist from fsp and report them into pei core.
This file contains the main entrypoint of the PEIM.
Copyright (c) 2014, 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 <PiPei.h>
#include <Library\IoLib.h>
#include <Library\SerialPortLib.h>
#define PCI_IDX 0xCF8
#define PCI_DAT 0xCFC
#define PCI_LPC_BASE (0x8000F800)
#define PCI_LPC_REG(x) (PCI_LPC_BASE + (x))
#define PMC_BASE_ADDRESS 0xFED03000 // PMC Memory Base Address
#define R_PCH_LPC_PMC_BASE 0x44 // PBASE, 32bit, 512 Bytes
#define B_PCH_LPC_PMC_BASE_EN BIT1 // Enable Bit
#define R_PCH_PMC_GEN_PMCON_1 0x20 // General PM Configuration 1
#define B_PCH_PMC_GEN_PMCON_SUS_PWR_FLR BIT14 // SUS Well Power Failure
#define B_PCH_PMC_GEN_PMCON_PWROK_FLR BIT16 // PWROK Failure
#define R_PCH_LPC_UART_CTRL 0x80 // UART Control
#define B_PCH_LPC_UART_CTRL_COM1_EN BIT0 // COM1 Enable
#define ILB_BASE_ADDRESS 0xFED08000 // ILB Memory Base Address
#define R_PCH_ILB_IRQE 0x88 // IRQ Enable Control
#define IO_BASE_ADDRESS 0xFED0C000 // IO Memory Base Address
#define V_PCH_ILB_IRQE_UARTIRQEN_IRQ3 BIT3 // UART IRQ3 Enable
#define V_PCH_ILB_IRQE_UARTIRQEN_IRQ4 BIT4 // UART IRQ4 Enable
#define PCIEX_BASE_ADDRESS 0xE0000000
#define PCI_EXPRESS_BASE_ADDRESS PCIEX_BASE_ADDRESS
#define PciD31F0RegBase PCIEX_BASE_ADDRESS + (UINT32) (31 << 15)
#define SB_RCBA 0xfed1c000
typedef enum {
PchA0 = 0,
PchA1 = 1,
PchB0 = 2,
PchB1 = 3,
PchB2 = 4,
PchB3 = 5,
PchC0 = 6,
PchSteppingMax
} PCH_STEPPING;
#define MmPciAddress( Segment, Bus, Device, Function, Register ) \
( (UINTN)PCI_EXPRESS_BASE_ADDRESS + \
(UINTN)(Bus << 20) + \
(UINTN)(Device << 15) + \
(UINTN)(Function << 12) + \
(UINTN)(Register) \
)
#define DEFAULT_PCI_BUS_NUMBER_PCH 0
#define PCI_DEVICE_NUMBER_PCH_LPC 31
#define PCI_FUNCTION_NUMBER_PCH_LPC 0
#define R_PCH_LPC_RID_CC 0x08 // Revision ID & Class Code
#define V_PCH_LPC_RID_0 0x01 // A0 Stepping (17 x 17)
#define V_PCH_LPC_RID_1 0x02 // A0 Stepping (25 x 27)
#define V_PCH_LPC_RID_2 0x03 // A1 Stepping (17 x 17)
#define V_PCH_LPC_RID_3 0x04 // A1 Stepping (25 x 27)
#define V_PCH_LPC_RID_4 0x05 // B0 Stepping (17 x 17)
#define V_PCH_LPC_RID_5 0x06 // B0 Stepping (25 x 27)
#define V_PCH_LPC_RID_6 0x07 // B1 Stepping (17 x 17)
#define V_PCH_LPC_RID_7 0x08 // B1 Stepping (25 x 27)
#define V_PCH_LPC_RID_8 0x09 // B2 Stepping (17 x 17)
#define V_PCH_LPC_RID_9 0x0A // B2 Stepping (25 x 27)
#define V_PCH_LPC_RID_A 0x0B // B3 Stepping (17 x 17)
#define V_PCH_LPC_RID_B 0x0C // B3 Stepping (25 x 27)
#define V_PCH_LPC_RID_C 0x0D // C0 Stepping (17 x 17)
#define V_PCH_LPC_RID_D 0x0E // C0 Stepping (25 x 27)
/**
Return Pch stepping type
@param[in] None
@retval PCH_STEPPING Pch stepping type
**/
PCH_STEPPING
EFIAPI
PchStepping (
VOID
)
{
UINT8 RevId;
RevId = MmioRead8 (
MmPciAddress (0,
DEFAULT_PCI_BUS_NUMBER_PCH,
PCI_DEVICE_NUMBER_PCH_LPC,
PCI_FUNCTION_NUMBER_PCH_LPC,
R_PCH_LPC_RID_CC)
);
switch (RevId) {
case V_PCH_LPC_RID_0:
case V_PCH_LPC_RID_1:
return PchA0;
break;
case V_PCH_LPC_RID_2:
case V_PCH_LPC_RID_3:
return PchA1;
break;
case V_PCH_LPC_RID_4:
case V_PCH_LPC_RID_5:
return PchB0;
break;
case V_PCH_LPC_RID_6:
case V_PCH_LPC_RID_7:
return PchB1;
break;
case V_PCH_LPC_RID_8:
case V_PCH_LPC_RID_9:
return PchB2;
break;
case V_PCH_LPC_RID_A:
case V_PCH_LPC_RID_B:
return PchB3;
break;
case V_PCH_LPC_RID_C:
case V_PCH_LPC_RID_D:
return PchC0;
break;
default:
return PchSteppingMax;
break;
}
}
/**
Enable legacy decoding on ICH6
@param[in] none
@retval EFI_SUCCESS Always returns success.
**/
VOID
EnableInternalUart(
VOID
)
{
//
// Program and enable PMC Base.
//
IoWrite32 (PCI_IDX, PCI_LPC_REG(R_PCH_LPC_PMC_BASE));
IoWrite32 (PCI_DAT, (PMC_BASE_ADDRESS | B_PCH_LPC_PMC_BASE_EN));
//
// Enable COM1 for debug message output.
//
MmioAndThenOr32 (PMC_BASE_ADDRESS + R_PCH_PMC_GEN_PMCON_1, (UINT32) (~(B_PCH_PMC_GEN_PMCON_SUS_PWR_FLR + B_PCH_PMC_GEN_PMCON_PWROK_FLR)), BIT24);
//
// Silicon Steppings
//
if (PchStepping()>= PchB0)
MmioOr8 (ILB_BASE_ADDRESS + R_PCH_ILB_IRQE, (UINT8) V_PCH_ILB_IRQE_UARTIRQEN_IRQ4);
else
MmioOr8 (ILB_BASE_ADDRESS + R_PCH_ILB_IRQE, (UINT8) V_PCH_ILB_IRQE_UARTIRQEN_IRQ3);
MmioAnd32(IO_BASE_ADDRESS + 0x0520, (UINT32)~(0x00000187));
MmioOr32 (IO_BASE_ADDRESS + 0x0520, (UINT32)0x81); // UART3_RXD-L
MmioAnd32(IO_BASE_ADDRESS + 0x0530, (UINT32)~(0x00000007));
MmioOr32 (IO_BASE_ADDRESS + 0x0530, (UINT32)0x1); // UART3_RXD-L
MmioOr8 (PciD31F0RegBase + R_PCH_LPC_UART_CTRL, (UINT8) B_PCH_LPC_UART_CTRL_COM1_EN);
SerialPortInitialize ();
SerialPortWrite ("EnableInternalUart!\r\n", sizeof("EnableInternalUart!\r\n") - 1);
return ;
}